Browsing by Author "ZAMAL, MD. SHAH"

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    EFFICACY OF FUNGICIDES IN CONTROLLING LEAF BLIGHT OF WHEAT CAUSED BY Bipolaris sorokiniana
    (DEPARTMENT OF PLANT PATHOLOGY, 2006) ZAMAL, MD. SHAH
    An experiment was carried out to determine the comparative efficacy of Vitavax-200 as seed treating chemical; Tilt-250 EC, Bavistin and Pencozeb as foliar spray in controlling leaf blight of wheat caused by Bipolaris sorokiniana under field conditions. The single effect of Vitavax-200, Tilt250 EC, Bavistin and Pencozeb were found less effective than that of combined effect of Vitavax-200 with Tih-2S0 EC. Vitavax-200 with Pencozeb and Vitavax-200 with Bavistin. The effect of seed treatment with Vitavax- 200 followed by subsequent three foliar sprays with Tilt-250 EC (Ts) has been found significantly more effective than the other single and combined effects in reducing leaf blight severity of wheat. Maximum grain yield 4.05 t/ha was found under the treatment Ts (Vitavax-200 with three sprays of Tilt-250 EC) which increased grain yield by 44.64% over untreated control. The treatment T7 resulted statistically similar effect to that of treatment Ts (Vitavax-200 with two sprays of Tilt-250 EC) in reducing leafblight severity and increasing grain yield of wheat over control.