Effect of Biochemicals from different Cultivars of Indian Mustard (Brassica Juncea L.) on the Population Abundance of Lipaphis Erysimi (Kalt.) in Laboratory Condition
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Keywords:
Mustard Aphids, Brassica Juncea, Lipaphis Erysimi, Rorippa Indica, Aqueous Extract.Abstract
Population abundance of mustard aphid Lipaphis erysimi (Kalt.) was studied upon the treatment of aqueous extract from eight cultivars of Indian mustard Brassica juncea L. from different agronomical regions of India. A wild crucifer Rorippa indica, known for its aphid tolerant nature, also was studied, side by side. Treatment of R. indica extract on the isolated population of mustard aphids showed a significant suppressing effect on aphid population. Cultivar Gujarat Mustard 3 was appeared to be best host for the aphid, and cv. Ashirwad was seen to be most tolerant to L. erysimi as on the treatment of water extract from Gujarat Mustard 3.Nymphal growth of aphid was not affected and a regular growth pattern was observed here. But aqueous extract treatment from cv. Ashirwad significantly controlled aphid population on non-host Nicotiana tabacam.Downloads
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2020-12-01
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