The peak population of mustard aphid on yellow sticky traps was recorded with ± aphids/trap from 7th SW and it was active from 45th SW to 14th SW, where it was on peak with ± aphids/plant under the field condition from untreated plots at 3rd SW. Coccinella septempunctatas active from 50th SW to 13th SW of the season and peak population noticed from 5th SW with 14± grubs and adults/plant. | Population dynamics of insect pests in mustard and eco-friendly management of Lipaphis erysimi Kaltenbach in Uttrakhand
