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ID 55
Eprint ID
55
FullText URL
Title Alternative
Examination of PRADHAN'S Theory relating to the Relation of Temperature to the Development of Insects.
Author
Harukawa, Chukichi
Abstract
PRADHAN'S theory relating to the relationship between temperature and the velocity of insect development has been examined using the data published by previous workers. It has been found that the formula proposed by PRADHAN may be applicable to the data obtained with Gnorimoschema operculella and Chilo simplex, of the data examined by the writer. In the case of the other insects, PRADHAN'S formula can not be applied; because in these cases the velocity curves are found to possess a straight line portion in a fairly wide range of the medial temperatures. The examples of such cases are: Lepidoptera Bmbyx mori; Coleoptera Callosobruchus chinensis, Acanthoscelides obtectus; Hymenoptera Eutomostethus juncioorus, Neocatolaccus mamezopha gus; Diptera Chactodacus cucurbitae. Another point of interst is that PRADHAN's formula does not seem to fit the experimental data accurately when temperatures of rearing are beyond the temperature of the maximum rate of development. This seems to be due to the fact that tile velocity curve of insect development is in most cases not symmetrical on the right and left sides, the central point being the temperature of the maximum development. This point, however, seems to be worth further investigation.
Published Date
1956
Publication Title
岡山大学農学部学術報告
Publication Title Alternative
Scientific Reports of the Faculty of Agriculture Okayama University
Volume
volume8
Issue
issue1
Publisher
岡山大学農学部
Publisher Alternative
Faculty of Agriculture, Okayama University
Start Page
1
End Page
7
ISSN
0474-0254
NCID
AN00033029
Content Type
Departmental Bulletin Paper
language
日本語
File Version
publisher
Refereed
False
Eprints Journal Name
srfa