The Significance and Thermodynamics of Fluctuating Versus Static Thermal Environments onHeliothis zeaEgg Development Rates1
作者:
W. P. Eubank,
J. W. Atmar,
J. J. Ellington,
期刊:
Environmental Entomology
(OUP Available online 1973)
卷期:
Volume 2,
issue 4
页码: 491-496
ISSN:0046-225X
年代: 1973
DOI:10.1093/ee/2.4.491
出版商: Oxford University Press
数据来源: OUP
摘要:
Egg development ofHeliothis zea(Boddie) was studied under various static and fluctuating environmental regimes. Two computer-controlled environmental chambers were programmed to fluctuate temperatures through diurnal sinusoids of ±5°F (2.8°C) to ±20°F (11.1°C) using the same mean temperatures as regimes in statically controlled environmental chambers.The heat-units concept of development proved not to apply to bollworm egg development. In its stead, a hypothesis is formulated based on the egg-development curve measured in static thermal conditions.
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