A field experiment was conducted at Dry Farming Research Station, Junagadh Agricultural University, Jam-Khambhalia, Gujarat, India to study the efficacy of various neem base preparations including wettable sulphur against powdery mildew disease of mustard caused by Erysiphe cruciferarum during three consecutive rabi season of 2007-08 to 2009-10. The three years field study revealed that neem leaf extract 2% was most effective in limiting the incidence of powdery mildew of mustard with per cent disease incidence (PDI) and seed yield of 2013 kg/ha. | Eco-friendly management of powdery mildew (Erysiphe cruciferarum Opiz ex. Junell) disease of mustard [brassica juncea (L.) Czern. & Coss.] in North Saurashtra, India
