The outbreak of Aphids pest is mostly due to moisture and cloudiness in the season after the flowering of most of the mustard cultivars. This insect is green, black and yellow and damages the suction of leaves, branches, flowers and legumes of different parts of the plant. For control of mahu in mustard, mix Imidacloprid 17.8% SL @ 40 ml per acre in 200 liters of water and spraying.