Study of the efficiency of Neuropteran predator, Hemerobius indicus Kimmins as potential biocontrol agent of notorious aphid, Lipaphis erysimi (Kaltenbuch) on Brassica campestris Linn. (cv. B-9)
Journal Title: International Journal of Experimental Research and Review - Year 2016, Vol 7, Issue 6
Abstract
The Brassica oil crops are the world’s third most important source of edible oil. Brassica campestris Linn., an important oilseed crop of India is cultivated largely in Assam, Bihar, Orissa and West Bengal. The mustard aphid, Lipaphis erysimi (Kaltenbach) is a serious pest of cruciferous (Brassica) crops in India. The development of resistance to pesticides and toxicity to the non target organism is largely responsible for the attention on biological control. Natural predators can bring down pesticide use against pest in a proper IPM (Integrated Pest Management) strategy. Neuroptera (Insecta) are proven biological control agents against aphids. In the present investigation Hemerobius indicus Kimmins, a neuropteran predator, was reared on Lipaphis erysimi (Kaltenbuch), an important aphid pest of Brassica campestris (cv.B-9). Their development and aphid annihilation capability were assessed. Duration of egg, larval, pupal stages and the adult longevity were 6-7 day, 17-23 day, 10-12 day and 9-13 day respectively while feeding on Lipaphis erysimi (Kaltenbuch) at 21± 3.9ºC. Yield and morphological parameters of Brassica campestris Linn.(cv.B-9) were quantified and compared viz. Neuroptera and predator complex-controlled aphid infested plots were compared with that of uncontrolled and insecticide-controlled plot of Brassica campestris Linn. (cv.B-9). Results showed that during the early stages of plant development of Brassica campestris Linn. (cv.B-9) the predator Hemerobius indicus alone could be a safe replacement of insecticide in terms of yield of Brassica campestris Linn. (cv.B-9) only when the aphid Lipaphis erysimi (Kaltenbuch), population is relatively low.
Authors and Affiliations
Santi Ranjan Dey; Samir Ranjan Sikdar; Tapas Kumar Ghose; Mitu De
Keywords
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