Evaluation of Commercial Mustard Varieties against Mustard Aphid (Lipaphis erysimi) Kalt in Grid Region of Madhya Pradesh, India

Field experiment was conducted at research farm, RVSKVV, Gwalior to evaluate 20 varieties of mustard against aphid Lipaphis erysimi Kalt. During rabi season of 2016-17 and 2017-18. The population of pest were recorded from initiation of aphid infestation at 44 DAS (Days after sowing) and continued till maturity of the crop at weekly intervals. The findings showed that the RMM-09-1-1-2 variety had the lowest mean population of plants counted on the 10 cm apical twigs of ten randomly chosen plants, followed by JM-3, JM-1, and MAYA. However, variety NRCDR-2 had the largest population, followed by RVM-2 and RGN-73.