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Oscheius spp., an alternative to Heterorhabditis spp., for eco-friendly management of cardamom root grub (Basilepta fulvicorne Jacoby)

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Title Oscheius spp., an alternative to Heterorhabditis spp., for eco-friendly management of cardamom root grub (Basilepta fulvicorne Jacoby)
Not Available
 
Creator Pervez R, Eapen S J, Devasahayam S, Jacob T K
Ali M A and Thyagarajan P
 
Subject Basilepta fulvicorne, cardamom, EPN, Heterorhabditis spp, Oscheius spp.
 
Description Not Available
In the present study, efficacy of eight native EPNs were tested against cardamom root grub. Among them, Heterorhabditis sp. (IISR-EPN 01) and Oscheius gingeri (IISR-EPN 07) were more pathogenic to root grubs as they caused 100% mortality to the insect within 72 hrs. The suitability of this insect for multiplication of infective juveniles (IJs) of EPNs was also studied. Maximum multiplication of IJs was observed with O. gingeri (IISR-EPN 07). However, Heterorhabditis sp. (IISR-EPN 01) yielded the least number of IJs. LC50 were calculated using four densities viz., 25, 50, 75 and 100 IJs and LT50 was calculated using one nematode density 100 IJs to mortality of root grub at 24, 48, 72 and 96 hrs post inoculation. Probit analysis indicated that, Heterorhabditis sp. (IISR-EPN 01), S. ramanai (IISR-EPN 03) and O. gingeri (IISR-EPN 07) required less number (48 IJs/grub), whereas S. carpocapsae (IISR-EPN 06) required maximum number (84 IJs/grub) to provoke 50% mortality of root grub at 72 hrs post inoculation. Time assay response revealed that, Steinernema sp. (IISR-EPN 02) and O. gingeri (IISR-EPN 07) took less time to kill 50% root grub. The infectivity of Oscheius spp. against cardamom root grub is being reported for the first time which opens up a new vistas in eco-friendly insect pest management in cardamom.
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Date 2021-08-10T04:42:44Z
2021-08-10T04:42:44Z
2016-10-07
 
Type Research Paper
 
Identifier Pervez R, Eapen S J, Devasahayam S, Jacob T K, Ali M A and Thyagarajan P 2016. Oscheius spp., an alternative to Heterorhabditis spp., for eco-friendly management of cardamom root grub (Basilepta fulvicorne Jacoby). Annals of Plant Protection Sciences 24(2): 385-391.
0971-3573
http://krishi.icar.gov.in/jspui/handle/123456789/54180
 
Language English
 
Relation Not Available;
 
Publisher Society of Plant Protection Sciences