Monitoring and assessment of mustard aphid, Lipaphis erysismi in North-Western Haryana with yellow sticky trap
Keywords:
mustard, insect pests, integrated pest management, weather factorsAbstract
Production of rapeseed-mustard (Brassica sp.) is severely hampered by aphid infestation in India, specifically Lipaphis erysimi (Kalt.). Impact of weather on the occurrence and multiplication of mustard aphids is very crucial and should be taken into consideration when developing an aphid management plan. Keeping this in view, an experiment was conducted at Oilseeds Section, Department of Genetics and Plant Breeding, CCS HAU, Hisar using yellow chrome painted smeared with transparent grease of 1kg tin box, five in number, height maintained at 30-45 cm above the crop canopy. Maximum numbers of aphid catches were recorded in 10th and 11th standard week. Sunshine hour seems to favour the presence of aphid in significant positive association in both the crop season 2020-21 and 2021-22. Maximum and minimum of temperature of exhibited positive correlation to the numbers of aphid. Presence of numbers of aphid cane be in surrounding mustard field can decide the volume of infestation in forthcoming period through the catch of aphid via yellow chrome smeared tin box to be vigil to manage it.
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