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Chickpea (Cicer arietinum L.) the most common pulse crop, is
exposed to attack by many insect pests, amid them Helicoverpa
armigera is the major limiting factor for higher yield of the crop.
Thereby a field experiment has been carried out to develop an
effective pest management strategy for the crop. Side by side a
laboratory experiment has also been conducted to study the growth
and development of 3rd instar larvae of H. armigera along with the
level of parasitization at natural condition. The finding revealed
no significant difference in mean larval length, larval and pupal
phases as well as pupal weight in different chickpea cultivars. The
varietal screening for both years of the study revealed that BG-256
was less vulnerable to H. armigera. The efficacy of different
bio-pesticides was evaluated against H. armigera in chickpea. The
larval population was significantly lower in spinosad 2.5 SC @ 0.5
ml/l. The field experiment on the relative ability of various
insecticides against H. armigera revealed that indoxacarb 14.5 SC @
0.5 ml/l as the most effective one. Intercropping chickpea with
linseed (2:2) resulted in lower larval populace and less pod damage
for both years of study.
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