MANAGEMENT OF POWDERY MILDEW OF MUSKMELON THROUGH CHEMICALS AND PLANT EXTRACTS.

A highly susceptible variety "Toma" of watermelon was srown in the experimental area, Department of Plant Pathology, University of Agriculture, Faisalabad, to check the efficacy of five plant extracts (Azadirachta indica, Allium sativa, Eucalyptus camaldulensis, Zingiber officinale and Allium cepa) at 5,10 and 15% and five chemicals (Difnoconazole, Baytan Foilar, Mancozeb, Aliette and Sulfex gold) at 1.75, 2 and 2.5% against powdery mildew disease in Randomized Complete Block Design (RCBD). Among plant extracts, Allium sativa expressed minimum disease incidence (16.57%) at 15%concentration after third spray, followed by A. indica (19.45%), E. camaldulensis (26.75%), A. cepa (30.47%), Z. officinale (33.12%), disease incidence as compare to control while in case of chemicals Score (Difnoconazole) expressed significant results, after third spray and expressed 15.35% disease incidence followed by Baytan Foilar(Triadimimenal) 18.45%, Mancozeb (Mancozeb) 25.43%, Aliette (Fosetyl-aluminium) 29.40%, Sulfex gold(Sulphur) expressed 31.51% disease incidence as compare to control. [ABSTRACT FROM AUTHOR]