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Articles by M. Asad-Ud-Doullah
Total Records ( 2 ) for M. Asad-Ud-Doullah
  A.K.M. Anowarul Hoque , M. R. Alam , Md. Nazrul Islam , M.K. Anam , M. Asad-ud-doullah and M.M. Hossain
  The study was conducted to determine the effect of seed cleaning and washing on the incidence of bacterial leaf blight (BLB) of rice cv. BR11. Six different treatments were used. They were farmer`s seeds clean seeds, diseased seeds, farmer`s seeds washed with tap water, farmer`s seeds washed with 20% brine solution and clean seeds washed with tap water. Three seed health testing methods namely paper rolled towel, cassette slide holder and liquid assay method were used for detection of BLB infection in seed. Seed health both before sowing and freshly harvested seeds from six different treatments were determined. Seedling vigour of clean seeds and brine solution washed seed were also higher than farmer`s seed and diseased seed. Xanthomonas oryzae pv. oryzae was identified through physiological, biological, serological, hypersensitive reaction and pathogencity tests in seeds of all treatments. Incidence of BLB in field plots were recorded at tillering stage and flag leaf stage. Maximum and minimum BLB disease was recorded in diseased seeds and brine solution washed seeds respectively for both situation.
  S.M.A. Islam , I. Hossain , G.A. Fakir and M. Asad-Ud-Doullah
  Effects of physical seed sorting, seed treatment with garlic extract (1:2) and Vitavax 200 (0.4%) were investigated for controlling seed borne fungal flora and seed yield of jute (Corchorus capsularis L.). Seed health test of jute revealed that farmer`s saved seed (control) yielded all together 13 different fungi of 11 genera. Prevalence of Colletotrichum corchori, Macrophomina phaseolina, Botryodiplodia theobromae, Fusarium spp., Penicillium spp., Aspergillus niger and A. flavus were by 4.25, 10.75, 2.00, 4.25, 27.20, 8.00 and 22.50%, respectively. Septonema secedens Corda. was recorded as seed borne for the first time in jute. Garlic extract and Vitavax 200 increased the yield of jute by 47.38% and 46.05%, respectively over farmer`s saved seed (control) when grown in the net house. Under field conditions seed treatment with garlic extract and Vitavax 200 increased seed yield by 77.50 and 82.50%, respectively over farmer`s saved seed.
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