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Articles by M. Ashrafuzzaman
Total Records ( 3 ) for M. Ashrafuzzaman
  M. Ashrafuzzaman , M.A. Haque , M. Razi Ismail , M.T. Islam and S.M. Shahidullah
  Morphological attributes and yield of eight genotypes of tomato namely, J-5, Binatomato-5, BARItomato-7, CLN-2026, CLN-2366, CLN-2413, CLN-2418 and CLN-2443 were studied over three seasons. Effects of seasonal and genotypic variations and their combination on plant height, number of primary branches per plant, number of flower clusters per plant, number of fruit clusters per plant, number of fruits per plant, individual fruit weight, fruit yield were significant. Fruit yield and almost all the morphological attributes of tomato genotypes were at peak in winter followed by pre-winter and summer season. Over three seasons, the genotype CLN-2413 produced the highest fruit yield followed by BARI tomato-7 producing the tallest plants with maximum number of primary branches and the highest number of fruits per plant. The genotypes Binatomato-5, CLN-2026 and CLN-2418 ranked 3rd and CLN-2366 and CLN-2443 ranked 4th with respect to yield performance. The genotype J-5 produced the lowest number of fruits per plant and fruit yield. In winter, fruits number and yield were highest in CLN-2413 while BARI tomato-7 carried the statistically same rank.
  M. Ashrafuzzaman , M.A.H. Khan , S.M. Shohidullah and M.S. Rahman
  A pot culture experiment was conducted with five levels of salinity (EC 0, 2.0, 4.0, 6.0 and 8.0 dSM-1) obtained by dissolving NaCl in distilled water to study the effect of salinity on chlorophyll content, yield and yield components of Quality Protein Maize (QPM) CV. Nutricta. Ear length, ear diameter, number of seeds per ear and 100 seed weight were also reduced at high salinity levels. Increasing salinity decreased the content of chlorophyll a, chlorophyll b and total chlorophyll and had little or no effect on chlorophyll a/b. A gradual and significant decrease in nitrogen and potassium contents was recorded in maize shoot and grain with an increasing salinity. Accumulation of N+ and K+ in grains were smaller than in shoot or straw. Due to its high yield potential I normal soil and high yield reduction in salinity it is regarded as a highly saline sensitive crop.
  M.A. Jinnah , K.M. Khalequzzaman , M.S. Islam , M.A.K.S. Siddique and M. Ashrafuzzaman
  The experiments were conducted to evaluate the efficacy of antagonistic P. fluorescens in controlling wilt of tomato caused by R. solanacearum in the field. The tomato variety Manik showed 42.59% and Pusa Rubi showed 46.29% bacterial wilt. The lowest bacterial wilt incidence (35.18%) was recorded in T2 (soil drenching of P. fluorescens) and highest incidence was in control plot. Plant height, number of branches/plant, number of fruits/plant, total fruit weight/plant and fruit yield (t ha–1) was significantly highest in T2 and lowest was in untreated control (T0). Soil drenching by using P. fluorescens suspension contained 109 cfu/ml (T2) may be used for controlling wilt and increasing yield of tomato.
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