Papers

EFFICACY OF FUNGICIDAL SEED TREATMENT IN CONTROLLING ALTERNARIA SPP. IN RADISH SEED 1 2 3 4 5 (Pages : 46 - 50)

S.S. ISLAM, M.H. RAHMAN, M.J. HASAN, M. ASHADUSJAMAN AND M.M. KHATUN

The experiments were conducted to find out effective seed treating fungicides to control seedborne Alternaria spp. of the crop. In the experiment, seeds were treated with the six fungicides namely Rovral 50 WP (Iprodione) @ 0.20%, Dithane M-45 (Mancozeb) @ 0.45%, Ridomil MZ 68 WP (Metalaxil) @ 0.20%, Bavistin 70 WP (Carbendazim) @ 0.10%, Tilt (Propiconazol) @ 0.20% and Cupravit (Copper oxichloride) @ 0.70% were tested. Their effectiveness was measured by plating the treated and untreated seeds on blotter in petridishes. All six fungicides significantly reduced seedborne Alternaria spp. associated with radish seeds. Rovral 50 WP and Dithane M-45 were found most effective in reducing the seedborne infection of Alternaria spp. and increasing seed germination. Radish seeds harvested from fungicidal sprayed plot and naturally infected unsprayed plots. Collected seeds were treated with the six fungicides. Considering the results of the experiments, Rovral 50 WP (Iprodione) @ 0.20% was noted as the best fungicide against seedborne Alternaria spp.Download


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