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cd-journal=joma
no-vol=15
cd-vols=
no-issue=1
article-no=
start-page=497
end-page=
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2022
dt-pub=20221228
dt-online=
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en-subject=
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en-title=
kn-title=Interspecific Variability in Growth Characteristics and Phytoremediation of Cu by Free-Floating Azolla Macrophytes
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The phytoremediation potential of aquatic plants, particularly for Cu, is scarcely reported in the pertinent literature. In this regard, differential growth behavior and phytoaccumulation ability of three free-floating Azolla species (A. japonica, A. pinnata, and A. hybrid) were evaluated in a climatically controlled (a temperature of 25/20 degrees C, light/dark 16/8 h, a light intensity of 60 mu mol m(-2) s(-1), and a relative humidity of 65%) microcosm study. Azolla plants were exposed to solutions having three Cu concentrations (0, 3, and 6 mg L-1) under two incubation periods (4 and 8 days). Different Cu treatments significantly reduced Azolla biomass during both incubation periods and A. pinnata was the most sensitive species. Azolla plants grown in aqueous solutions showed substantial variations in Cu removal capacity. Higher bioconcentration values displayed by Azolla plants indicated that these plants can be deployed as potential plants for Cu removal from Cu contaminated water. Nevertheless, the plants exposed to higher Cu concentrations displayed color changes and root detachment due to Cu phytotoxic effects which may also ultimately lead to plant death. Significant correlations between Cu removed from the aqueous solutions and Cu contents of plant biomass indicated that Cu phytoremediation by Azolla plants was due to the phytoaccumulation mechanism because the removed Cu from aqueous solutions was accumulated in plant biomass. Introduced Azolla species, i.e., A. hybrid, displayed comparable Cu removal efficiency with naturally grown Azolla species, i.e., A. japonica and A. pinnata. Tested Azolla species proved to be suitable candidates to remediate Cu contaminated water and can be deployed for phytoremediation.
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en-aut-name=AkhtarMuhammad Shahbaz
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en-aut-name=AlbalawiBedur Faleh A.
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en-aut-mei=Bedur Faleh A.
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aut-affil-num=4
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en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
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aut-affil-num=5
ORCID=

en-aut-name=NakashimaYoshitaka
en-aut-sei=Nakashima
en-aut-mei=Yoshitaka
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aut-affil-num=6
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affil-num=1
en-affil=Department of Environmental Sciences, Forman Christian College University
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affil-num=2
en-affil=Department of Environmental Sciences, Forman Christian College University
kn-affil=

affil-num=3
en-affil=Department of Environmental Sciences, Shaheed Benazir Bhutto University
kn-affil=

affil-num=4
en-affil=Department of Biology, University of Tabuk
kn-affil=

affil-num=5
en-affil=Department of Environmental Management Engineering, Graduate School of Environmental and Life Science, Okayama University
kn-affil=

affil-num=6
en-affil=Department of Environmental Management Engineering, Graduate School of Environmental and Life Science, Okayama University
kn-affil=
en-keyword=Azolla biomass
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en-keyword=bioconcentration factor
kn-keyword=bioconcentration factor
en-keyword=Cu removal efficiency
kn-keyword=Cu removal efficiency
en-keyword=Cu toxicity
kn-keyword=Cu toxicity
en-keyword=translocation factor
kn-keyword=translocation factor
END

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affil-num=1
en-affil=Archaeological Research Center, Okayama University
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affil-num=2
en-affil=Archaeological Research Center, Okayama University
kn-affil=‰ªŽR‘åŠw–„‘ •¶‰»�à’²�¸Œ¤‹†ƒZƒ“ƒ^�[

affil-num=3
en-affil=Archaeological Research Center, Okayama University
kn-affil=‰ªŽR‘åŠw–„‘ •¶‰»�à’²�¸Œ¤‹†ƒZƒ“ƒ^�[

affil-num=4
en-affil= Archaeological Research Center, Okayama University
kn-affil=‰ªŽR‘åŠw–„‘ •¶‰»�à’²�¸Œ¤‹†ƒZƒ“ƒ^�[

affil-num=5
en-affil=
kn-affil=“yˆäƒ–•lˆâ�Õ�E�l—ÞŠwƒ~ƒ…�[ƒWƒAƒ€

affil-num=6
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affil-num=7
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affil-num=8
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kn-affil=‰ªŽR‘åŠw

affil-num=9
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affil-num=10
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start-ver=1.4
cd-journal=joma
no-vol=22
cd-vols=
no-issue=1
article-no=
start-page=61
end-page=64
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2017
dt-pub=201703
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=Evaluation of drop in official air temperature record at Okayama caused by relocation of observation field of Okayama Local Meteorological Observatory - By comparison with records observed at surrounding points -
kn-title=‰ªŽR’n•û‹C�Û‘äŠÏ‘ª˜I�êˆÚ“]‚É‚æ‚é‹C‰·’ቺ—Ê‚Ì�„’è
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Statistical change in official temperature records at Okayama City caused by relocation of meteorological observation field of Meteorological Agency was evaluated. The observation field of Okayama local meteorological observatory was moved to the Tsushima Campus of Okayama University from the downtown area of Okayama City in March, 2015. Comparison between the air temperature records measured at meteorological agency station and the records at Tanjo Pond in Tsushima Campus, showed 0.56 �Ž drop in annual average before and after relocation. Moreover, comparison between the records of Okayama local meteorological observatory and that at the surrounding meteorological observing 9 stations showed 0.55 �Ž drop in annual average. Those results suggest that the relocation dropped annual average of air temperature by about 0.6 �Ž.
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en-aut-name=MiuraTakeshi
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en-aut-name=KurokawaMasahiro
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en-aut-name=NakashimaYoshitaka
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en-aut-name=OkiYoko
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en-aut-mei=Yoko
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affil-num=1
en-affil=Graduate School of Environmental and life Science, Okayama University
kn-affil=‰ªŽR‘åŠw‘åŠw‰@ŠÂ‹«�¶–½‰ÈŠwŒ¤‹†‰È

affil-num=2
en-affil=Graduate School of Environmental and life Science, Okayama University
kn-affil=‰ªŽR‘åŠw‘åŠw‰@ŠÂ‹«�¶–½‰ÈŠwŒ¤‹†‰È

affil-num=3
en-affil=Graduate School of Environmental and life Science, Okayama University
kn-affil=‰ªŽR‘åŠw‘åŠw‰@ŠÂ‹«�¶–½‰ÈŠwŒ¤‹†‰È

affil-num=4
en-affil=Graduate School of Environmental and life Science, Okayama University
kn-affil=‰ªŽR‘åŠw‘åŠw‰@ŠÂ‹«�¶–½‰ÈŠwŒ¤‹†‰È

affil-num=5
en-affil=
kn-affil=‰ªŽR‘åŠwŠÂ‹«—��HŠw•”

affil-num=6
en-affil=Graduate School of Environmental and life Science, Okayama University
kn-affil=‰ªŽR‘åŠw‘åŠw‰@ŠÂ‹«�¶–½‰ÈŠwŒ¤‹†‰È

affil-num=7
en-affil=Graduate School of Environmental and life Science, Okayama University
kn-affil=‰ªŽR‘åŠw‘åŠw‰@ŠÂ‹«�¶–½‰ÈŠwŒ¤‹†‰È
en-keyword=Okayama Local Meteorological Observatory
kn-keyword=Okayama Local Meteorological Observatory
en-keyword=relocation
kn-keyword=relocation
en-keyword=drop in air temperature
kn-keyword=drop in air temperature
END

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kn-title=ƒTƒXƒeƒCƒiƒuƒ‹�EƒLƒƒƒ“ƒpƒX‚ð–ÚŽw‚µ‚Ä
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en-aut-name=
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affil-num=1
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affil-num=4
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affil-num=5
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affil-num=6
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affil-num=8
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END

start-ver=1.4
cd-journal=joma
no-vol=13
cd-vols=
no-issue=
article-no=
start-page=17
end-page=22
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1991
dt-pub=199112
dt-online=
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en-subject=
kn-subject=
en-title=Environment Protection around Kojima Lake
kn-title=Ž™“‡ŒÎ‚̊‹«•Û‘S–â‘è
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=
en-copyright=
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en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
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ORCID=

affil-num=1
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kn-affil=‰ªŽR‘åŠw”_Šw•”
END

start-ver=1.4
cd-journal=joma
no-vol=4
cd-vols=
no-issue=1
article-no=
start-page=131
end-page=145
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1999
dt-pub=19990226
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Growth, Yield and Mineral Composition of Three Rice Varieties Cultivated under Salt-Affected Conditions
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=A pot experiment was conducted to study the relative performance of IR 6,KS 282 and IR 10198-66-2 rice varieties cultivated under salt-affected conditions at EC of 6.0,9.0 12.0 dS m(-1) in a sandy clay loam soil havig ECe of 1.6 dS m(-1) treated as control. Six seedlings of 39-day old transplaned to each pot having 12 kg soil. The fertilizer as nitrophos and potassium sulphate at the rate of 57.0, 25.0 and 50.0 mg N,P and K kg(-1) soil respectively was applied at the time of transplanting while zinc sulphate at the rate of 5 mg Zn kg(-1) soil and 43.0 mg N kg(-1) of soil as additional dose were applied 19 and 30 days after transplanting respectively. Normal plant protection measures like number of tillers, panicles, paddy grains, filled and unifilled grains, yield per plant and sterility were recorded and shoot and straw samples were analysed for sodium, potassium, calcium and chloride contents. It was observed that growth and yield of all the varieties were reduced significantly with increasing soil salinity. Na/K and Na/Ca rations in shoot and straw increased significantly with increasing soil salinity. It was also observed that higher values of Na/K and Na/Ca rations in shoots affected growth parameters while higher values of these rations in straw affected yield components and grain yield. However, IR 6 having relatively lower values of Na/K and Na/Ca rations proved to be the most salt-tolerant rice among the three varieties studied.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KambohMaqsood Ahmed
kn-aut-sei=Kamboh
kn-aut-mei=Maqsood Ahmed
aut-affil-num=1
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=2
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=3
ORCID=

en-aut-name=NariokaHajime
en-aut-sei=Narioka
en-aut-mei=Hajime
kn-aut-name=�¬‰ªŽs
kn-aut-sei=�¬‰ª
kn-aut-mei=Žs
aut-affil-num=4
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=3
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=4
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=soil salinity
kn-keyword=soil salinity
en-keyword=growth and yield
kn-keyword=growth and yield
en-keyword=mineral compasition
kn-keyword=mineral compasition
en-keyword=rice varieties
kn-keyword=rice varieties
END

start-ver=1.4
cd-journal=joma
no-vol=13
cd-vols=
no-issue=1
article-no=
start-page=111
end-page=119
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2008
dt-pub=200803
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Phosphorus and Biomass Distribution, and P-efficiency by Diverse Brassica Cultivars Exposed to Adequate and P-stress Environment
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=To acclimate under orthophosphate (Pi) starved environment, plant species and cultivars display an elegant myriad of Pi-adaptive and rescue responses via reprioritizing internal Pi use and maximizing external Pi acquisition by reprogramming metabolism and restructuring root system architecture.Exploitation of considerable genetic diversity both between and within crop species and harnessing of
these genetic variations can lead us to develop smart plants with improved P-acquisition, growth and yield under P-deprivation. To elucidate the effect of P-stress on plant growth, and P-efficiency under Pstarvation,
14 diverse Brassica cultivars were grown hydroponically in a climatically controlled chamber using sufficient (200 and 400 ƒÊM) and stress (10 and 20 ƒÊM) P-levels using ammonium phosphate (NH4H2PO4) as a P source. Cultivars showed differential growth behaviour in terms of biomass accumulation (shoot and root dry matter partitioning), percent distribution of Pi-concentration ([P]) and P-contents in plant parts (roots and shoots), and P-efficiency ratio (% PER)(relative shoot growth)
indicating considerable genetic diversity among the tested Brassica cultivars. PER and the proportional
increases in shoot dry matter (SDM) accumulation (SDMmax/SDMmin) in response to the P levels assisted
in categorizing the cultivars into efficient and inefficient utilizers of the absorbed P from an ambient environment. Cultivars were classified into efficient responsive (ER), efficient non-responsive (ENR), non-efficient responsive (NER) and non-efficient non-responsive (NENR) by plotting ordination plots between PER and SDMmax/SDMmin under P-stress environment. Differential PER values at stress P levels corresponds to high P levels suggest that P efficiency mechanisms can be different from one cultivar to another within a give plant species and cultivars exhibiting high PER values are better choice to thrive under P-starvation.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=AkhtarM.Shahbaz
kn-aut-sei=Akhtar
kn-aut-mei=M.Shahbaz
aut-affil-num=1
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=2
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=3
ORCID=

affil-num=1
en-affil=
kn-affil=University of Agriculture

affil-num=2
en-affil=
kn-affil=Okayama University

affil-num=3
en-affil=
kn-affil=Okayama University
en-keyword=Brassica cultivars
kn-keyword=Brassica cultivars
en-keyword=biomass and P-distribution
kn-keyword=biomass and P-distribution
en-keyword=P-contents
kn-keyword=P-contents
en-keyword=P-efficiency ratio
kn-keyword=P-efficiency ratio
END

start-ver=1.4
cd-journal=joma
no-vol=6
cd-vols=
no-issue=1
article-no=
start-page=67
end-page=79
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2001
dt-pub=20010228
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Distribution of Mineral Ions in Root and Leaf Tissues and Their Role in Salt Tolerance of Wheat Varieties under Saline Conditions
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The distribution on Ca, K, Na and Cl in root and leaves was studied in salt tolerant variety (Chikugo Izumi) and salt sensitive variety (PB-81) of wheat under saline conditions. The plants grown in 5% Hoagland's nutrient solution were subjected to 100 mM NaCl salinity for one week before observation with scanning electron microscope and analysis of selected samples with X-ray microanalyzer. Root growth was not affected in salt tolerant variety but reduced significantly in salt sensitive variety. Shoot growth was reduced in both varieties but much higher in salt sensitive variety. Salinity increased accumulation of Na and Cl in all root cells including vascular cells in salt sensitive variety. Salt tolerant variety not only reduced uptake of Na and Cl under saline conditions but also restricted their accumulation in cortex maintaining vascular cells relatively free of these ions. Salt sensitive variety failed to block transport of Na and Cl from root to leaves leading to much accumulation of these ions in leaves under salinity sterss.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KambohMaqsood Ahmed
kn-aut-sei=Kamboh
kn-aut-mei=Maqsood Ahmed
aut-affil-num=1
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=2
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=3
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=3
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=Ion distribution
kn-keyword=Ion distribution
en-keyword=salinity
kn-keyword=salinity
en-keyword=salt tolerance
kn-keyword=salt tolerance
en-keyword=wheat varieties
kn-keyword=wheat varieties
en-keyword=X-ray microanalysis
kn-keyword=X-ray microanalysis
END

start-ver=1.4
cd-journal=joma
no-vol=7
cd-vols=
no-issue=1
article-no=
start-page=99
end-page=106
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2002
dt-pub=20020322
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Effect of increasing salinity on growth and mineral composition of wheat varieties and role of sodium exclusion capacity in salt tolerance mechanisms
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=A few wheat varieties including two Japanese wheat varieties were evaluated for their salt tolerance at seeding stage, their behavior to increasing salinity levels and role of Na exclusion capacity in salt tolerance mechanisms. The wheat varieties were grown in nutrient solution and subjected to 0 (control), 25,75 and 125 mM NaCl salinity levels for 7 days. Although the shoot growth was reduced while Na contents were increased progressively with increasing salinity in all varieties, the varieties were quite different in their response. Salt tolerant va rieties maintained less reduction in their root and shoot growth and better water relations in their shoots than salt sensitive varieties under saline conditions. The wheat varieties were quite different in their Na exclusion capacity. Poor growth in salt sensitive varieties might be due to higher accumulation of Na in their shoots resulting from low Na exclusion capacity of roots, higher Na transport to shoot and/or inferior compartmentation capability.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KambohMaqsood Ahmed
kn-aut-sei=Kamboh
kn-aut-mei=Maqsood Ahmed
aut-affil-num=1
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=2
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=3
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=3
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=growth and mineral composition
kn-keyword=growth and mineral composition
en-keyword=increasing salinity
kn-keyword=increasing salinity
en-keyword=Na exclusion capacity
kn-keyword=Na exclusion capacity
en-keyword=salt tolerance
kn-keyword=salt tolerance
en-keyword=wheat varieties
kn-keyword=wheat varieties
END

start-ver=1.4
cd-journal=joma
no-vol=7
cd-vols=
no-issue=1
article-no=
start-page=91
end-page=98
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2002
dt-pub=20020322
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=The separate or the combined effect of hypoxia and salinity on growth and ionic relations of four wheat varieties
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=To evaluate hypoxic-salinity tolerance in wheat varieties, three Japanese varieties  (Nourin-61, Chikugo Izumi and Shirasagi Komugi, relatively salt tolerant) and one Pakistani variety (Blue Silver, relatively salt sensitive) were grown under control, hypoxia, saline and hypoxic-saline conditions. The results suggested that relatively hypoxia and salt tolerant variety Nourin-61 was capable of producing the highest relative shoot yield under combined stress conditions. On the other hand, relatively sensitive variety to both hypoxia and salinity conditions, could not withstand harmful effects of combined stress. A more close correlation of plant growth characters between salinity and hypoxic-salinity than hypoxia and hypoxic-salinity indicated that varieties with higher salt tolerance would suffer less than varieties with higher hypoxia tolerance under combined stress conditions. And the balance of Na/K ratio in shoot tissues seems to be the major evaluation factor as the tolerant variety when salinity and hypoxia stress occur together.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KambohMaqsood Ahmed
kn-aut-sei=Kamboh
kn-aut-mei=Maqsood Ahmed
aut-affil-num=1
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=2
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=3
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=3
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=hypoxia
kn-keyword=hypoxia
en-keyword=growth and ionic composition
kn-keyword=growth and ionic composition
en-keyword=salinity
kn-keyword=salinity
en-keyword=salt tolerance
kn-keyword=salt tolerance
en-keyword=wheat varieties
kn-keyword=wheat varieties
END

start-ver=1.4
cd-journal=joma
no-vol=8
cd-vols=
no-issue=1
article-no=
start-page=87
end-page=92
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2003
dt-pub=200303
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=The Outline of Totaling Result of The Class Evaluation Questionnaire by Students in 2001
kn-title=•½�¬13”N“xŠw�¶‚É‚æ‚éŽö‹Æ•]‰¿ƒAƒ“ƒP�[ƒg‚Ì�WŒvŒ‹‰Ê‚Æ‘�Š‡
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The committee of academic affairs of the Faculty of Environmental Science and Technology in 2001 planned and carried out "the class evaluation questionnaire survey by students" with original one. The committee has announced the totaling result of this survey, especially concerning both of the class evaluation and the self-estimation of student by themselves, in this paper. It is expected that these contents become the aid of the class improvement in near future.
en-copyright=
kn-copyright=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=1
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=The class evaluation questionnaire
kn-keyword=The class evaluation questionnaire
en-keyword=students
kn-keyword=students
en-keyword=2001
kn-keyword=2001
en-keyword=committee of academic affairs
kn-keyword=committee of academic affairs
en-keyword=outline of totaling result
kn-keyword=outline of totaling result
END

start-ver=1.4
cd-journal=joma
no-vol=12
cd-vols=
no-issue=1
article-no=
start-page=107
end-page=117
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2007
dt-pub=20070315
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title='Tailoring the Plant to Fit the Soil' in Stead of 'Tailoring the Soil to Fit the Plant' is an Alternate Environmental Sound Strategy to Acclimate Orthophosphate (Pi) Deprivation via Highly Coordinated Classical Pi-Starvation Induced Mechanisms
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Acclimation to orthophosphate (Pi) deprivation via highly coordinated Pi-starvation induced (PSI) classical mechanisms such as copious quantities of H(+) and carboxylates (OAs) exudation, remodeling and modification of root architecture by increasing structural and functional plasticity, enhanced uptake rate and increased synthesis of Pi transporters would reduce or eliminate our current overreliance on expensive, polluting, and nonrenewable Pi-fertilizers. These complicated but elegant morphological, physiological, biochemical and molecular adjustments of Pi-starved plants provide an excellent example of how the unique flexibility of plant metabolism and energy transduction helps them to cope in a typically stressful environment. Pi-starved roots possess enhanced H(+)-ATPase and PEPCase which could result in increasing H(+) efflux and OAs exudations in the root vicinity. This would lead to the rhizosphere acidification, which thereby contribute to the solublization and assimilation of mineral Pi from environment. To visualize the dissolution of sparingly soluble Ca-phosphate and rhizospheric pH changes (in situ), genetically diverse Brassica cultivars were grown on agar media. Newly formed Ca-phosphate was suspended in agar containing other essential nutriens. With NH(4)(+) applied as the N source, the precipitate dissolved in the root vicinity and this was ascribed to acidification. No dissolution was occurred with No(3)(-)-nutrition. In order to observe the pH changes at the media-root interface (rhizosphere), an image analysis was carried out after embedding the roots in agar containing bromocresol purple as pH indicator. Efficient cultivar 'Brown Raya' showed greater decrease in pH than P-inefficient 'B.S.A' in the culture media. Hydroponically grown cultivars were compared with respect to P-utilization efficiency (PUE), P-stress factor (PSF), and Ca- and P-uptake at P-starvation. PUE, and Ca- and P-uptake correlated significantly (P<0.01) with biomass accumulation, indicating that higher P-uptake of efficient cultivars was because of their higher Ca-uptake, which in turn was related to their better P-acquisition and PUE. Remodelling of root architecture of efficient cultivars helped the cultivars to establish a better rooting system, which provided basis for tolerance under P-starvation.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=AkhtarM. Shahbaz
kn-aut-sei=Akhtar
kn-aut-mei=M. Shahbaz
aut-affil-num=1
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=2
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=3
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KhanMd. H. R.
kn-aut-sei=Khan
kn-aut-mei=Md. H. R.
aut-affil-num=4
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=3
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=4
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=Brassica
kn-keyword=Brassica
en-keyword=Bromocresol purple
kn-keyword=Bromocresol purple
en-keyword=H(+) -efflux
kn-keyword=H(+) -efflux
en-keyword=Rhizospheirc pH changes and acidification
kn-keyword=Rhizospheirc pH changes and acidification
en-keyword=PUE
kn-keyword=PUE
END

start-ver=1.4
cd-journal=joma
no-vol=12
cd-vols=
no-issue=1
article-no=
start-page=99
end-page=106
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2007
dt-pub=20070315
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=From Fate to Faith and Soil to Cell: Estimation of Phosphate (Pi) Uptake Rate, Pi-Uptake Kinetics and Relative Growth Rate are Important Parameters to Scavenge Pi by Brassica Cultivars under P-Starved Environment
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=As a rule, ion uptake by plant cells and roots has features of saturation kinetics. This is in accordance with the assumption of control, as for example by the number of binding sites of ions (carriers, permeases), or the capacity of the proton efflux pumps, in the plasma membrane and tonoplast. Solute transport across membranes is carrier mediated transport. Protein macromolecules integrated into the membrane matrix seems to be the carriers. The carrier-mediated process is subject to kinetics assumig that the number of carriers (binding sites) in the membranes is limited. Kinetics of ion transport through a membrane is considered equivalent to relationship between an enzyme and its substrate. To obtain plants of different P status, two genetically diverse Brassica cultivars (P-tolerant 'Con-1' and P-sensitive 'Gold Rush') were grown for several weeks in nutrient solution culture media. P-uptake kinetics of the roots with intact plants in short-term experiments by monitoring P depletion in culture media revealed that P-tolerant 'Con-1' cultivar had favorable characteristics for P-uptake because of high I(max) or V(max) and low K(m) or 1/2 I(max) value than P-sensitive 'Gold Rush' cultivar. By plotting relative growth rate (RGR) and internal P-concentration (PNC) among P-tolerant (group I; Brown Raya, Con-1, Rainbow, Dunkled and Peela Raya) and P-sensitive (group II; Toria, Sultan Raya, B.S.A, Toria Selection and Gold Rush) cultivars revealed that group I cultivars showed large metabolic fraction and small structural fraction than group II cultivars which provided basis for P-stress tolerance.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=AkhtarM. Shahbaz
kn-aut-sei=Akhtar
kn-aut-mei=M. Shahbaz
aut-affil-num=1
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=2
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=3
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KhanMd. H. R
kn-aut-sei=Khan
kn-aut-mei=Md. H. R
aut-affil-num=4
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=3
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=4
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=Brassica
kn-keyword=Brassica
en-keyword=Membrane binding sites
kn-keyword=Membrane binding sites
en-keyword=Carrier-mediated transport
kn-keyword=Carrier-mediated transport
en-keyword=I(max) or V(max), K(m) Pi-uptake rate
kn-keyword=I(max) or V(max), K(m) Pi-uptake rate
en-keyword=RGR
kn-keyword=RGR
END

start-ver=1.4
cd-journal=joma
no-vol=12
cd-vols=
no-issue=1
article-no=
start-page=91
end-page=98
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2007
dt-pub=20070315
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Analyses of the Genetic Parameters (Variability, Heritability, Genetic Advance, Relationship of Yield and Yield Contributing Characters) for some Plant Traits among Brassica Cultivars under Phosphorus Starved Environmental Cues
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The potential of a crop favorably respond to breeding/selection and bioengineering programs depends upon the nature and magnitude of genetic variability. For effective selection, information on nature and magnitude of variation in population, association of character with dry matter yield and among themselves and the extent of environmental influence on the expression of these characters are necessary. The estimates of genetic parameters help in understanding the role of various plant traits in establishing the growth behavior of cultivars under a given set of environmental conditions. Genetic analysis leads us to a clear understanding of different morphological, physiological and genetic characters and also the type and extent of their contribution to dry matter yield. Six Brassica cultivars were grown in a P-deficient sandy loam soil for 49 days after sowing. Significant variations were observed for all the characters in all the cultivars used in the experiment. All the characters showed high�@heritability coupled with high genetic advance. Heritability (h(2)) is an approximate measure of the expression of a character. The highest estimates of broad sense heritability (h(2)= 0.90) and relative expected genetic advance (85.72%) were noted for root dry matter (RDM), while the estimate of expected genetic advance at 10% selection intensity was quite high (ƒ¢G = 85.30c‡u) for leaf area per plant. The estimates of coheritability were positive and relatively higher for rootshoot ratio (RSR) in combination with shoot dry matter (SDM) (coh(2) = 2.002) and phosphorus use efficiency (PUE) (coh(2) = 1.875), whereas coheritability estimates were negative between leaf area per plant and RSR (coh(2) = -0.2010) indicating lack of association between these traits. High heritability with high genetic advance was exhibited by all the studied plant traits of cultivars evidencing that the traits could be further improved through individual plant selection. The innate variations within the Brassica gene-pool impel to drive a concentrated effort to understand the basis of adaptability. Access to the relevant genetic traits and information will provide necessary tools to select the optimal combinations of alleles adapted to local and changing growing environments especially nutrient stress conditions such as phosphorus (P) starvation.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=AkhtarM. Shahbaz
kn-aut-sei=Akhtar
kn-aut-mei=M. Shahbaz
aut-affil-num=1
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=2
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=3
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KhanMd. H. R.
kn-aut-sei=Khan
kn-aut-mei=Md. H. R.
aut-affil-num=4
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=3
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=4
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=Brassica
kn-keyword=Brassica
en-keyword=Coheritability
kn-keyword=Coheritability
en-keyword=Genetic advance
kn-keyword=Genetic advance
en-keyword=Genetic variability
kn-keyword=Genetic variability
en-keyword=P-starvation
kn-keyword=P-starvation
en-keyword=Selection intensity
kn-keyword=Selection intensity
END

start-ver=1.4
cd-journal=joma
no-vol=12
cd-vols=
no-issue=1
article-no=
start-page=83
end-page=89
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2007
dt-pub=20070315
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Effects of Brick Burning on Microbial Biomass and C/N Ratio in Selected Soil Profiles in the Eastern Region of Bangladesh
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=The pH values in the profiles of unburnt (agricultural land) soils were found to increase as a function of soil depth and burning (400 to 1000�Ž) of the soils increased average pH by 8%. The average sand content of the burnt (soil around brick kilns) soil profiles was increased by 245%, while 39 and 36% decreased the silt and clay contents. Soil organic carbon (Corg) in the unburnt soils (0-20 cm) at different agro-ecological zones in the eastern region of Bangladesh ranged from 0.8 and 1.4%, whereas the content of microbial biomass carbon (Cmic) in the studied unburnt soils ranged between 5 and 7% of the total Corg, suggesting that the microbial biomass releasing considerable amounts of carbon in soil while burning of the soils drastically reduced this contribution to about 1%. The values of soil Cmic in the unburnt soils were approximately 2 to 6 times higher in the topsoils than the subsoils (20-60 cm). Variable rainfall, temperature and soil fertility had an overriding influence, which was reflected by the average minimum (276 ƒÊg g(-1)) and maximum (439) amounts of soil Cmic in Moulvibazar and Cox' Bazar sites. The Cmic decreased upon soil burning by 92% of its original average value (346 ƒÊg g(-1)) in the soil profile of up to 100 cm. Burning of topsoils strikingly increased the Corg/Cmic ratio by about 6 to 9 times, while reduced the C/N ratio by about 1.5 to 2.5 times. The average loss of Corg, available and total N due to burning of the soils were 66, 72 and 44% (increase over average content of unburnt soil: IOAC), respectively, which suggests that the burning of the soils offset the essential roles of soil microorganisms, reduced soil fertility and soil microbial contribution.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KhanMd. H. R.
kn-aut-sei=Khan
kn-aut-mei=Md. H. R.
aut-affil-num=1
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=RahmanMd. K.
kn-aut-sei=Rahman
kn-aut-mei=Md. K.
aut-affil-num=2
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=RoufA. J. M. A.
kn-aut-sei=Rouf
kn-aut-mei=A. J. M. A.
aut-affil-num=3
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=SattarG. S.
kn-aut-sei=Sattar
kn-aut-mei=G. S.
aut-affil-num=4
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=AkhtarM. S.
kn-aut-sei=Akhtar
kn-aut-mei=M. S.
aut-affil-num=5
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=6
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=7
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=Department of Soil, Water and Environment, Faculty of Biological Sciences, University of Dhaka

affil-num=3
en-affil=
kn-affil=Ministry of Science and Information & Communication Technology

affil-num=4
en-affil=
kn-affil=Department of Geology and Mining. University of Rajshahi

affil-num=5
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=6
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=7
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=brick burning
kn-keyword=brick burning
en-keyword=C/N ratio
kn-keyword=C/N ratio
en-keyword=microbial biomass carbon
kn-keyword=microbial biomass carbon
en-keyword=soil organic carbon
kn-keyword=soil organic carbon
en-keyword=ratio of microbial biomass to organic carbon.
kn-keyword=ratio of microbial biomass to organic carbon.
END

start-ver=1.4
cd-journal=joma
no-vol=12
cd-vols=
no-issue=1
article-no=
start-page=77
end-page=81
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=2007
dt-pub=20070315
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=
kn-title=Characterization and Screening of N(2)-fixing Microorganisms at Maturity Stage in Rhizosphere of Rice Grown in Brahmaputra Alluvium Soil of Bangladesh
en-subtitle=
kn-subtitle=
en-abstract=
kn-abstract=Studies on the existing non-symbiotic diazotrophic systems still are the most promising for better use of biological nitrogen fixation (BNF) in agriculture. The possibilities for the extension of nitrogen fixation to rice plants still speculative. The prospect of extension of N(2)-fixation to other plants was originally formulated to simulate the possibilities for the biological use of atmospheric nitrogen in order to overcome the ecological and economical problems of nitrogenous fertilizers. In view of this, the present study was conducted for the characterization and identification of N(2)-fixing bacterial strains at the maturity (110 days) stage in rhizosphere of rice (BR 10, Oryza sativa L.) grown in Brahmaputra Alluvium soil of Bangladesh. The soil is characterized as 'Inceptisol' order and 'Aquept' suborder. It was identified as 'Dhamrai series', had 'silt' texture, pH 6.0 and 6.8 C/N ratio. The present results of the microbial tests on the rice rhizosphere soil demonstrated that out of 401 isolates, only 94 were branded as nitrogen fixing organisms per gram of soil, which is about 23.4% of the total isolates. Based on the selection criteria, four individual strains were selected for identification. Biochemical tests were conducted for proper identification. They were identified as Closteridium spp., Klebsiella spp., Bacillus spp. and Azospirllum spp.
en-copyright=
kn-copyright=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=KhanMd. H. R.
kn-aut-sei=Khan
kn-aut-mei=Md. H. R.
aut-affil-num=1
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=MohiuddinM.
kn-aut-sei=Mohiuddin
kn-aut-mei=M.
aut-affil-num=2
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=RahmanM.
kn-aut-sei=Rahman
kn-aut-mei=M.
aut-affil-num=3
ORCID=

en-aut-name=
en-aut-sei=
en-aut-mei=
kn-aut-name=AkhtarM. S.
kn-aut-sei=Akhtar
kn-aut-mei=M. S.
aut-affil-num=4
ORCID=

en-aut-name=OkiYoko
en-aut-sei=Oki
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=5
ORCID=

en-aut-name=AdachiTadashi
en-aut-sei=Adachi
en-aut-mei=Tadashi
kn-aut-name=‘«—§’‰Ži
kn-aut-sei=‘«—§
kn-aut-mei=’‰Ži
aut-affil-num=6
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=Department of Soil, Water and Environment, University of Dhaka

affil-num=3
en-affil=
kn-affil=Department of Soil, Water and Environment, University of Dhaka

affil-num=4
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=5
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=6
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=Azospirllum spp.
kn-keyword=Azospirllum spp.
en-keyword=Bacillus spp.
kn-keyword=Bacillus spp.
en-keyword=BNF
kn-keyword=BNF
en-keyword=Closteridium spp.
kn-keyword=Closteridium spp.
en-keyword=Diazotrophs
kn-keyword=Diazotrophs
en-keyword=Klebsiella spp.
kn-keyword=Klebsiella spp.
en-keyword=Oryza sativa L.
kn-keyword=Oryza sativa L.
END

start-ver=1.4
cd-journal=joma
no-vol=87
cd-vols=
no-issue=1
article-no=
start-page=155
end-page=161
dt-received=
dt-revised=
dt-accepted=
dt-pub-year=1998
dt-pub=199802
dt-online=
en-article=
kn-article=
en-subject=
kn-subject=
en-title=Differences in Salt Tolerance within Strains of Cynodon dactylon
kn-title=ƒMƒ‡ƒEƒMƒVƒo‚̑ω–�«‚É‚¨‚¯‚éŒn“�ŠÔ�·ˆÙ
en-subtitle=
kn-subtitle=
en-abstract=‹ß”N�AŠ£‘‡’nˆæ�A”¼Š£‘‡’nˆæ�AŠ£‘‡”¼Ž¼��’nˆæ‚É‚¨‚¯‚é‹CŒó�ã‚Ì•Ï“®‚â�lŠÔŠˆ“®‚ðŠÜ‚Þ—l�X‚È—v‘f‚É‹Nˆö‚·‚é“y’n‚Ì—ò‰»‚ª�i‚ñ‚Å‚¢‚é�B‚»‚Ì—ò‰»‚Ì’†‚Å�AŸóŸò”_’n‚Ì“y�ë‚̉–—Þ‰»‚ª‘å‚«‚È–â‘è‚Æ‚È‚Á‚Ä‚¢‚é�B‚±‚ê‚Í�AŸóŸò‚ª�s‚í‚ê‚é�Û‚É�A‰ß�è‚ÈŸóŸò‚â�…˜H‚©‚ç‚̘R�…“™‚Ì‚½‚ß‚É’n‰º�…ˆÊ‚Ì�ã�¸‚ª‹N‚±‚Á‚½‚è�A‰–—Þ”Z“x‚Ì�‚‚¢’n‰º�…‚ð—p‚¢‚邱‚Æ‚É‚æ‚è�A�…•ª‚ª�ö”­‚µ‚½Œã‚É�…‚ÉŠÜ‚Ü‚ê‚Ä‚¢‚½‰–—Þ‚ª•\‘w–Ê‚É�W�Ï‚µ�A‰–‰»‚É‚æ‚Á‚Ä”_’n‚ª�r”p�A—ò‰»‚·‚邱‚Æ‚Å‚ ‚é�B‚Æ‚­‚É“y�ë‚Ì�Z“§ˆ³‚ð�‚‚ß�A�A•¨‚Ì‹zŽû‚í–W‚°‚½‚è�A�A•¨‘Ì“à‚̃CƒIƒ“ƒoƒ‰ƒ“ƒX‚ð•ö‚·‚È‚Ç�¶—��ì—p‚ð‘jŠQ‚·‚鉖‰»ƒiƒgƒŠƒEƒ€(NaCl)‚È‚Ç‚Ì’†�«‚̃iƒgƒŠƒEƒ€‚ª–â‘è‚Å‚ ‚é‚Æ‚¢‚í‚ê‚Ä‚¢‚é�B‚±‚̂悤‚ȉ–—Þ�W�Ï“y�ë‚Í�¢ŠE‚Ì—¤’n–Ê�Ï‚Ì–ñ10�“�A100ƒJ�‘ˆÈ�ã‚É‹y‚ñ‚Å‚¨‚è�A‘�‹}‚È�C•œ‚ª–]‚Ü‚ê‚Ä‚¢‚é�B‰ðŒˆ�ô‚̈ê‚‚Ƃµ‚Ä�A�¶•¨�¶ŽY�«‚ð�‚‚ß‚é“y�ë‚ɉü‘P‚·‚邽‚ß‚É�A‚Ü‚¸�A‘ω–�«‚Ì�‚‚¢�A•¨�D‰–�«‚Ì�A•¨‚ð—Ή»Ž‘�Þ‚Æ‚µ‚Ä“±“ü‚·‚邱‚Æ‚ª�l‚¦‚ç‚ê‚é�B•MŽÒ‚Í�Aƒ^ƒC“Œ–k•”‚̉–—Þ�W�Ï“y�ë‚Ì�A�¶’²�¸‚ð‚¶‚Á‚µ‚·‚é‚«‚©‚¢‚ª‚ ‚è�AƒMƒ‡ƒEƒMƒVƒo‚ªŽ©�¶‚µ‚Ä‚¢‚é‚Ì‚ðŠm”F‚µ‚½�B‚Ü‚½�A�‘“à‚É‚¨‚¢‚Ä‚àŠCŠÝ’n‘Ñ‚É�L‚­Ž©�¶‚µ‚Ä‚¢‚é‚Ì‚Å�A‰–—Þ�W�Ï“y�ë‚ÉŽ©�¶‚·‚é—L—pŽ‘Œ¹�A•¨‚ÌŒó•âŽí‚Æ‚µ‚Ä‘I’肵‚½�BƒMƒ‡ƒEƒMƒVƒo(Cynodon dactylon (L.) Pers.)‚ÍŠ¦‘Ñ‚ð�œ‚­�A‚Ù‚Æ‚ñ‚Ç‘S�¢ŠE‚Ì•ª•z‚·‚éƒCƒl‰È‘½”N�¶�A•¨‚Å�A“ú–{‚Å‚àŠe’n‚̘H–T�AŒ´–ì�AŠC•l‚É�L‚­�¶ˆç‚·‚é�B‚Ü‚½�A�¢ŠE‚Ì”¨’n‚Ì‹­ŠQ‘�‚Å‚ ‚é‚Æ‹¤‚É�AŽ”—¿�앨‚âŽÅ�¶—p‚É‚àŠˆ—p‚³‚ê‚é�A•¨‚Å‚ ‚é�B‚»‚±‚Å�AƒMƒ‡ƒEƒMƒVƒo‚ÉNaCl�ˆ—�‚ð�s‚¢‘ω–�«‚Ì’ö“x‚ð’²�¸‚µ‚½Œ‹‰Ê�ACl”Z“x‚Å5000ppmˆÈ�ã‚Å‚ÍŠ£•¨�¶ŽY‚ɉe‹¿‚ªŒ»‚ê‚邪�A”äŠr“I‘ω–�«‚Ì�‚‚¢�A•¨‚Å‚ ‚邱‚Æ‚ª”cˆ¬‚³‚ꂽ�B�]‚Á‚Ä�A–{ŽÀŒ±‚Å‚Í�AŠCŠÝ•t‹ß‚≖—Þ�W�Ï’n‚Ȃǂ̉e‹¿‚Ì‚ ‚é“y�ë‚ÉŽ©�¶‚µ‚Ä‚¢‚½ƒMƒ‡ƒEƒMƒVƒo‚ÌŒn“�‚Æ�A˜H–T‚Ȃlj–•ª‚̉e‹¿‚Ì‚È‚¢“y�ë‚ÉŽ©�¶‚µ‚Ä‚¢‚½Œn“�‚ð‹ŸŽŽ‚µ�ANaCl�ˆ—�‚ð�s‚¤‚±‚Æ‚É‚æ‚è�A‰–•ª”Z“x‚ª�¶ˆç‚ÆŠO•”Œ`‘Ô‚É‹y‚Ú‚·‰e‹¿�A‹y‚Ñ�A‘ω–�«‚ÌŒn“�ŠÔ�·ˆÙ‚ðŒŸ“¢‚µ‚½�B‚³‚ç‚É�A‚±‚ê‚ç‚ÌŒ‹‰Ê‚𓥂܂¦‚ĉ–—Þ�W�Ï’n‚âŠC•l‚É‚¨‚¯‚é—Ή»”í•¢�A•¨‚Æ‚µ‚ÄŠˆ—p‚·‚é‰Â”\�«‚ð’T‚Á‚½�B
kn-abstract=Nine strains of Cynodon dactylon grass were collected from various habitats as the seaside, the saline soil areas and the roadside. These strains were grown in sand culture under greenhouse at various NaCl treatments, and their growth, morphological variation, mineral contents and rooting were determined. The growth of most strains was increased by Cl concentrations of 1,000 ppm to 3,000 ppm, and addition of NaCl up to 5,000 ppm of Cl concentrations did not affect their growth. Furthermore all strains survived relatively well even when grown with Cl concentrations of 10,000 ppm. With increasing Cl concentrations, Na content in their tissues increased. Especially some strains which were collected from saline areas, had higher Na content in their tissues than those of other strains. It was also found that Cynodon dactylon may possess one mechanism for salt tolerance, which be related to restriction of Na translocation from root to top. Morphological characters of all strains at various NaCl treatments varied widely, and a relation between morphological variation and yield variation was found. In contrast, NaCl treatments significantly affected the rooting and the root growth of Cynodon dactylon.
en-copyright=
kn-copyright=

en-aut-name=OKiYoko
en-aut-sei=OKi
en-aut-mei=Yoko
kn-aut-name=‰«—zŽq
kn-aut-sei=‰«
kn-aut-mei=—zŽq
aut-affil-num=1
ORCID=

en-aut-name=UtsugiTomo
en-aut-sei=Utsugi
en-aut-mei=Tomo
kn-aut-name=‰F’ÖؗF
kn-aut-sei=‰F’ÖØ
kn-aut-mei=—F
aut-affil-num=2
ORCID=

affil-num=1
en-affil=
kn-affil=‰ªŽR‘åŠw

affil-num=2
en-affil=
kn-affil=‰ªŽR‘åŠw
en-keyword=Cynodon dactylon
kn-keyword=Cynodon dactylon
en-keyword=salt tolerance
kn-keyword=salt tolerance
en-keyword=strains
kn-keyword=strains
en-keyword=NaCl treatments
kn-keyword=NaCl treatments
en-keyword=rooting
kn-keyword=rooting
END