Control of cashew stem borer (Plocaederus ferrugineus L.) by the DD. 136 nematode (Nevaplectana earpocapsae Weiser 1955)
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Date
1989
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Department of Agricultural Entomology, College of Horticulture, Vellanikkara
Abstract
An experiment was conducted at the Department of Agricultural Entomology, College of Horticulture, Vellanikkara to evaluate the possibility of utilisation of the DD-136 nematode, Neoaplectana carpocapsae Weiser to control the grub popoulations of stem borer of cashew Plocaederus ferrugineus L. The grubs belonging to different insters were treated with different doses of the nematode under simulated field conditions. The results of the study indicated that the nematode is incepable of inducing mortality of the grubs of cashew stem borer, even under conditions favourable for the nematode. Detailed , in depth studies on the various aspects of host nematode parasite relationships were warrented. Also it will be worthwhile to examine the possibilities of using other bio-control agents against the cashew stem borer.
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