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EFFECT OF SOME SHADE TREES AND SOIL AMENDMENTS ON RHIZOME ROT DISEASE OF GINGER (Pages : 62 - 67)

N. HAQUE, S.M.M. HOSSAIN, S.M.E. HASSAN AND A.T.M.S. ISLAM

Three experiments were conducted in the research field of Hajee Mohammad Danesh Science and Technology University, farmers’ field of Dinajpur and Panchagarh during April 2014 to February 2015 for the management of rhizome rot of ginger. In the first experiment, ginger was grown in the soil amended with cow-dung, compost, mill ash and poultry litter. The compost treatment enhanced plant growth and healthy plants by reducing the disease severity of ginger. Higher yield of ginger was obtained with compost treatment which increased the total rhizome yield of about 1.66% more than the control plot. In the second experiment, ginger was planted in shading condition under neem, mango, litchi and palm tree. Ginger planted under neem tree showed better plant growth, and decreased the incidence and severity of rhizome rot of ginger. Rhizome yield was found higher in all the shading conditions compared to control condition. The highest yield was recorded under neem tree treated plot. In the third experiment, ginger was cultivated under some creepers (bitter gourd, ridge gourd and snake gourd) to observe the shading effect on rhizome rot of ginger. Shade of bitter gourd gave better plant growth and lower disease incidence and severity of rhizome rot of ginger. Consequently, the highest rhizome yield was found under bitter gourd treated plot. It was concluded that rhizome rot of ginger can be minimized by growing in the compost treated plot, under neem tree or bitter gourd creeper. Download


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