Reaction of ginger cultivars against rhizome fly, Mimegralla coeruleifrons and its management

Abstract

Among different ginger cultivars evaluated at College of Horticulture, Bidar, Karnataka, India during 2013 and 2014for their reaction to rhizome fly, Mimegralla coeruleifrons Macquart (Micropezidae: Diptera), the cultivars 'Rio-de-janerio' and 'Humnabad local recoded lower dead ginger plants, shoot infestation, rhizome infestation, lowest tunnel length, tunnel breadth in infested rhizomes and highest weight of the rhizome (infested and healthy) and yield. The treatment (Application of neem Cake @800 kg/acre at the time planting + ginger seed treatment with chlorpyriphos 20 EC @2ml/l of water and drenching with same dose of chlorpyriphos) recorded highest plant stand, tillers/clump, plant height and rhizome yield during.