Susceptibility of different life stages of saw-toothed grain beetle Oryzaephilus surinamensis (L.) (Coleoptera: Silvanidae) to modified atmospheres enriched with carbon dioxide

被引：33
|
作者：
Hashem, Mohamed Y. [1 ]
Ahmed, Sayeda S. [1 ]
El-Mohandes, Mohsen A. [2 ]
Gharib, Mahrous A. [3 ]
机构：
[1] Cairo Univ, Dept Econ Entomol & Pesticides, Fac Agr, Giza, Egypt
[2] Al Azhar Univ, Environm & Bioagr Dept, Fac Agr, Cairo, Egypt
[3] ARC, Plant Protect Res Inst, Giza, Egypt
来源：
JOURNAL OF STORED PRODUCTS RESEARCH | 2012年 / 48卷
关键词：
Control; Carbon dioxide; Modified atmosphere; Oryzaephilus surinamensis; MORTALITY; TOXICITY; PRESSURE; INSECTS; OXYGEN; ADULTS; EGGS;
D O I：
10.1016/j.jspr.2011.09.002
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
The susceptibility of the different life stages of the saw-toothed grain beetle Oryzaephilus surinamensis to different modified atmospheres (MAs) containing various concentrations of carbon dioxide (CO2) was studied as an alternative to methyl bromide fumigation at 30 degrees C and 65 +/- 5% relative humidity (r.h.). The tested MAs were 55%, 65%, 75% and 85% CO2 gas in the air. Mortality (%) was recorded after exposure periods of 3, 6, 12, 24, 48, 72 and 96 h. Larvae and adults were more susceptible while eggs and pupae were more tolerant to CO2. A two-day exposure period was adequate to completely kill larvae and adults under all tested MAs. All eggs and pupae were killed after four days of exposure to the high-CO2 atmospheres (75% and 85%).(C) 2011 Elsevier Ltd. All rights reserved.
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页码：46 / 51
页数：6
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