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Articles by M.A. Salam
Total Records ( 10 ) for M.A. Salam
  M.A. Salam , M.R. Ali , Md. Eunus Ali , K.A. Alam , M.S.H. Reza , S. Islam and S.M.M. Rahman
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  M.A. Salam , M.M.A. Patwary , M.M. Rahman , M.D. Hossain and M. Saifullah
  A field experiment was conducted to evaluate the relative costs and return in Mukhi kachu cv. Bilashi production as influenced by different levels of urea and MP fertilizers and their time of application. Four levels of urea and MP fertilizers viz., F0, F1, F2 and F3 and four times of application were used in this investigation. Different doses of urea and MP fertilizer and their time of application had significant influence on yield of Mukhi Kachu. The combination of the highest level of urea and MP fertilizer (300 kg each of urea and MP/ha) and application of 1/3 dose each at 60, 100 and 140 DAP gave the highest yield of corms (7.20 t. ha-1) and cormels (47.89 t. ha-1). The highest gross return, net return and the best economic return (BCR) were Tk. 205820 ha-1, Tk. 125905 ha1 and 2.58, respectively obtained from the same treatment.
  M.K. Alam , M.H. Rashid , M.S. Hossain , M.A. Salam and M.A. Rouf
  Four different media namely- Hyponex, Murashige and Skoog (MS), OKF1 and Knudson C (KC), were tested for large scale multiplication of sympodial native orchid, Dendrobium transparens Wall. via seeds. MS medium was found to be best for characters studied in Dendrobium transparens, followed by Hyponex medium but OKF1 medium gave the least performance. Days required to seed germination was the minimum (50 days) in MS medium while the maximum days (59 days) was required by OKF1 medium. Considering other characteristics, such as days required to protocorm formation and plantlet development, number of leaves and roots per plantlet, plantlet height and root length and finally plant survivability percentage, MS medium showed significantly better performance for in vitro seed propagation of Dendrobium transparens.
  R.F. Rahman , M.M. Ali , M.A. Salam , J. Ara , M.K. Ahsan and M.T. Haque
  Heterosis and combining ability studies of the isolated variable multivoltine races and developed bivoltine races with high yield capacity and their eighteen combinations were evaluated in two commercial rearing seasons in Bangladesh. Appropriate statistical methods were employed to interpret data on the hybrid performance, general and specific combining ability of the hybrids. Analysis of variance for combining ability revealed larger mean squares. Here high δ2gca2sca values for most of the characters reflected predominant additive gene action. Similarly, the variance of components of specific combining ability (δ2sca) of multivoltine×bivoltine were higher than those of general combining ability (δ2gca) for most of the characters in both the seasons indicating preponderance of non-additive gene action inheritance of all these traits. Among the combinations BSR-BN(B1)×BSRB-BB1 and BSR-3×BSRB-BB2 exhibited highly productive performance which could be recommended for commercial cocoon production in Bangladesh.
  M.E. Ali , M.A. Salam , M.A. Asad , M. Saifuzzaman and M.M. Sarder
  In this study, 5 weeks old mice weighing 22±2 g were grouped in four, each group consisting of six animals. Group-I, II, III and IV of the animals were fed by a standard diet quantity sufficient, normal diet with dissolved arsenic, arsenic with folic acid mixed and arsenic with vitamin C mixed, respectively. Blood was collected from the sacrificed animals and the blood glucose levels were determined by spectrophotometrically and glucometer. The average blood glucose level of arsenic induced animals was 9.37 mmol L-1 compared to 6.53 mmol L-1 in control animals whereas the blood glucose level of Group-III and Group-IV were 6.73 and 7.03 mmol L-1, respectively. Weight gain of the arsenic induced animals was lower compared to that of the animals fed with normal diet, folic acid mixed diet or vitamin C mixed diet. After sacrifice, the weight of kidney, heart and lung of arsenic induced animals were less than that of the Group-III and Group-IV. The reduction of arsenic induced higher blood glucose level by folic acid and vitamin C demonstrates that folic acid and vitamin C has significant effect in preventing arsenic induced disease.
  M.E. Ali , M.A. Salam , M.A. Asad and M. Saifuzzaman
  Ketoprofen, a widely used analgesic drug is available in two solid dosage forms in the pharma-market of Bangladesh: enteric-coated tablet and capsule of sustained-release pattern. Seven brands of ketoprofen enteric-coated tablets and four brands of ketoprofen sustained release capsules were studied for their in vitro release behavior as well as potency status. From the seven samples of tablets, two brands (KT-03 and KT-07) were found noncompliant in respect of disintegration test in acid stage, whereas all the brands complied with BP (British Pharmacopoeia) specification in buffer stage at pH 6.8. The dissolution study of ketoprofen tablets were carried out in both acid and buffer stages and all the samples satisfied with USP specification in both stages. All of the brands of ketoprofen capsule also complied with the USP specification. Potency was determined by UV spectroscopic method according to BP. Two brands (KT-03 and KT-07) of tablets were found non-compliant, whereas all the brands of capsules exerted compliance in respect of potency.
  M.A. Rahman , M.A. Rashid , M.M. Hossain , M.A. Salam and A.S.M.H. Masum
  Resistant rootstock of six Solanum species and 21 cultivated eggplant varieties were identified against bacterial wilt and the graft compatibility of eggplant varieties was studied with wild Solanum rootstocks. Solanum torvum and Solanum sisymbriifolium showed resistance against bacterial wilt. Most of the cultivated varieties showed susceptibility against bacterial wilt. Three cultivated eggplant varieties viz. sufala, singnath and uttara were grafted on Solanum torvum and Solanum sisymbriifolium. The highest grafting success was 95% in case of Solanum torvum x sufala and the lowest 85% in Solanum sisymbriifolium x singnath. The success of grafting was not affected significantly due to the effect of scion and rootstocks. The grafted plants showed resistance against the disease while the scion plants showed susceptibility in the sick beds. The grafted plants also showed resistance reaction against the disease in the field conditions. The fruit maturity was delayed due to grafting but grafting at least 15 days prolonged the harvesting period. The grafted plants also out yielded the scion plants. The grafting combination Solanum torvum x sufala gave the highest yield compared with other grafting combinations and non-grafted plants.
  M.A.H. Talukder , M.A. Mannaf , M.K. Alam , M.A. Salam and M.M.U. Amin
  A study was under taken to find out the effect of sowing time; spacing and picking interval on yield and yield components of okra (BARI Dherosh-1). Green pod yield was significantly higher when crop was sown on April (18.92 t ha–1) than March sown crop (16.24 t ha–1). Significantly highest yield (20.99 t ha–1) was recorded at closer spacing (60 x 30 cm2) than wider spacings. Yield was gradually decreased with increasing picking interval. Higher yield was obtained at 2 days picking interval (21.74 t ha–1), which was statistically similar to 3 days picking interval (19.53 t ha–1). Interaction among the effects of sowing times, spacing and picking interval on yield and yield components were found significant except interaction of sowing time with picking interval. The results showed that 2 or 3 days picking interval with closer spacing (60 x 30 cm2) sown in April were found higher yield (24.94 and 23.79 t ha–1, respectively) in okra (var. BARI Dherosh-1).
  S. Ahmad , S.R. Saha , M. Nazim Uddin , S.S. Choudhury , M.A. Awal and M.A. Salam
  A comparative study of ten cauliflower cultivars was done at the Regional Agricultural Research Station of the Bangladesh Agricultural Research Institute, Hathazari, Chittagong during the period from September, 1995 to January, 1996. It appeared that the time needed for reaching the optimum harvesting stage varied from 95 days in case of cv. Kartika and Tropical 45 days and 110 days in case of cv. Shiroyama-65 from the date of sowing. Maximum and minimum curd yields were obtained from the cv. Shiroyama-65 and cv. Poushali which were 18.38 and 6.4 tons ha-1, respectively.
  M.A. Salam , M.S. Hossain , M.E. Ali , M.A. Asad and M.H. Ali
  The experiment was carried out to determine the presence and numbers of arsenic resistant bacteria population. In this study, soil samples were collected from different contaminated sites of Khulna shipyard, Rupsha, Baghmara and Ramnagor in Khulna district of Bangladesh. Twenty arsenic resistant bacterial strains were isolated from the soil samples. They were isolated by growing them on Nutrient Broth (NB) medium impregnated with high concentration of arsenic. From them, six strains Bacillus lichnefomis (1/10), Listeria murrayi (2/9), Bacillus polymyxa (3/6), Moraxella urethralis (4/9) and Planococcus citreus (5/8) and Pseudomonas fluorescens (6/8) were finally selected and studied their morphological and biochemical characters in details. All six strains were able to tolerate very high concentration (>100 ppm). The optimum pH and temperature for the growth of all six strains were 8.5 and 37°C, respectively. It was concluded that bacteria living in arsenic free environment must posses a mechanism necessary to resist other toxic levels of arsenic.
 
 
 
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