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Effect of temperatures on the infectivity of entomopathogenic nematodes

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Title Effect of temperatures on the infectivity of entomopathogenic nematodes
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Creator Pervez R, Devasahayam S and Eapen S J
 
Subject Entomopathogenic nematodes, Infectivity, temperature
 
Description Not Available
The infectivity of eight native isolates of EPNs, Heterorhabditis sp. (IISR-EPN 01), Steinernema sp. (IISR-EPN 02), S. ramanai (IISR-EPN 03), S. carpocapsae (IISR-EPN 06), Oscheius spp. (IISR-EPN 04, 05 & 08) and O. gingeri (IISR-EPN 07) were tested against lepidopteran insect pest, Galleria mellonella larva and multiplication into host at different temperatures viz., 20, 25, 30 and 35°C. The temperature significantly affected the pathogenicity and multiplication ability of all tested EPNs. Among the test temperature, maximum mortality of larvae was found at 30°C followed by 25°C, whereas the least mortality of insects was recorded at 20 and 35°C. Maximum number of infective juveniles of EPNs were multiplied at 30°C, followed by 25°C, whereas, minimum multiplication was recorded at 35°C. However, no multiplication of EPNs was recorded at 20°C. Therefore, the optimal temperature for infection and multiplication of EPNs was 30°C.
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Date 2021-08-11T08:19:28Z
2021-08-11T08:19:28Z
2014-09-10
 
Type Research Paper
 
Identifier Pervez R, Devasahayam S and Eapen S J 2014. Effect of temperatures on the infectivity of entomopathogenic nematodes. Annals of Plant Protection Sciences 22(2): 410-413.
0974-0163
http://krishi.icar.gov.in/jspui/handle/123456789/54660
 
Language English
 
Relation Not Available;
 
Publisher Society of Plant Protection Sciences