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Articles by M.R. Alam
Total Records ( 5 ) for M.R. Alam
  B.K. Mohanta , M.R. Alam , M.E. Kabir , M. K. Anam , Md. Kaisar Alam and M.A. Habib
  Twenty-eight bred restored lines and four standard checks were screening for resistance to blast disease of rice during the T. aman and boro season. The breakout and severity of per cent leaf area diseased were recorded under natural infection. On the basis of disease intensity, three were highly resistant, 12 resistant, 16 were moderately resistant and 1 was moderately susceptible at T. aman season and at boro season 3 line s were found to be highly resistant, 8 resistant, 17 moderately resistant and 4 were moderately susceptible. Wide range of variation was observed regarding resistance among the entries. Variations were also found on the basis of season. Considering both seasons, the accession numbers 56, 57, 64, 66, 71 and 73 showed comparatively better performance against above mentioned rice disease.
  S.M.J. Hossain , M.R. Alam , N. Sultana , M.R. Amin and M.M. Rashid
  The study was conducted to investigate milk production performance of Black Bengal goat in different parity reared in semi-intensive system. Twenty five pre-pubertal (6-7 months) female Black Bengal goats were selected on the basis of their phenotypic characteristics and their ancestral history from Goat Development farm, Savar, Dhaka. Milk production records of the Black Bengal goat were recorded from January 2000 to December 2002. During the trial they are allowed to graze and concentrate supplement at the rate of 300, 200 and 100 g d-1 to does bucks and kids respectively. Average litter size in the 1st, 2nd and 3rd parity was 1.08, 1.76 and 1.96, respectively. Total milk yield d-1 in the 1st, 2nd and 3rd parity was 275, 312 and 332 g d-1, respectively. Lactation length and milk yield kg-1 live weight lactation-1 in the 1st, 2nd and 3rd parity were 61.56, 66.4 and 67 days and 1.02, 1.2 and 1.2 kg, respectively. Milk yield lactation-1 was 16.37, 20.86 and 21.8 kg, respectively. Milk production performance of Black Bengal goat was better in 3rd parity than that of the 2nd and 1st parity.
  S.M.J. Hossain , N. Sultana , M.R. Alam and M.R. Hasnath
  The study was conducted to investigate the reproductive and productive performance of Black Bengal goat in different parity reared in semi-intensive system. Twenty-five pre-puberal (6-7 months) female Black Bengal goats were selected on the basis of their phenotypic characteristics and their ancestral history from goat Development farm, Savar, Dhaka. The animals were vaccinated against peste Des petits Ruminants dewormed and deeped in 0.5% malathion solution. They are allowed to graze once concentrate supplement was fed at the rate of 300, 200 and 100 g/d to does buck and kid, respectively. Different reproductive and productive characteristics of the Black Bengal goat were recorded during 2 years. Young female attained puberty at an average age and weight of 209 ± 32.25 days and 8.08 ± 1.28 kg, respectively. Mean age and weight at 1st kidding were 401.5 ± 32.08 days and 15.41 ± 1.35 kg, respectively. Growth rate at 1st gestation period was 49.56 ± 9.15 g/d. Sex ratio of male: female kids born was found to be 56:44, 48:52 and 51:49 in the 1st, 2nd and 3rd parity, respectively. It required 1.2-1.4 services per conception with average gestation length of 148 days. Average litter size in the 1st, 2nd and 3rd parity was 1.08, 1.76 and 1.96, respectively. Post partum heat period was 48, 43 and 38 days for 1st, 2nd and 3rd parity, respectively. Kidding interval also reduced significantly (p<0.05) from 199 days in 2nd parity to 187 in 3rd parity. Average birth weight of male was higher (1.14 kg) then female (1.06 kg). Total litter size production in the 1st, 2nd and 3rd parity was 1.22, 1.79 and 2.03, respectively. Live weight at kidding in 1st, 2nd and 3rd parity was 15.41, 18.43 and 19.99 kg, respectively. Kid mortality was reduced from 22.2 to 8.16% with the parity. Reproductive and productive performances of Black Bengal goat were better in 3rd parity than that of the 1st and 2nd parity.
  M. Fida Hasan , M.R. Alam , M.A. Jabber , M.K. Begum and M.A.S. Miah
  Chemical quality and yield performance were studied in six new sugarcane genotypes at normal and water-logging condition. The highest chemical indices, Brix % (22.20) and pol % (20.53) were found in January’ 2002 in I-93/93 and I-110/93 respectively and the lowest in I-39/94 (Brix %: 14.93; pol %: 12.52) at water-logged cultivated cane in all months. The highest of purity % (95.79) and recovery % (13.05) were found in I-110/93 in the month December 2001 and January’ 2002 respectively and the lowest in Isd 20 (purity % : 77.44; recovery % 6.49 in September 2001) at water-logged and normal cultivated cane respectively. The highest R.S. % (1.51) was found in I-39/94 in all months and the lowest in I-110/93 (0.09) at water-logged cultivated cane. Result showed that the highest tiller (183.3×1000 ha–1 in I-110/93), millable cane (117.8×1000 ha–1 in I-8/95), Yield (162.8 t ha–1 in I-8/95) and TSH (16.63 ton sugar ha–1 in I-110/93) were found in normal cultivated and the lowest were found in water-logged cultivated sugarcane (tiller 107.6×1000 ha–1 in Isd 20; millable cane 73.38×1000 ha–1 in Isd 30; yield 59.4 t ha–1 in Isd 20 and TSH 6.75 ton sugar ha–1 in Isd 20). It is concluded that the highest percentage in juice quality were found in water-logged condition cultivated cane, on the other hand growth & yield performance were also found in highest in normal cultivated cane. In aspect of sugar production some tested cultivars showed (Isd-20, I-93/93 and I-8/95) similar performance in normal and water-logged cultivated sugarcane due to genetic potentiality and environmental adaptation on quality, yield and growth.
  B.K. Mohanta , M.R. Alam , M.K. Anam , M.A. Habib and M.M. Alam
  Twenty-eight bred restored lines and four standard checks were screening for resistance to bacterial leaf blight (caused by Xanthomonas oryzae pv. oryzae), sheath rot (caused by Sarocladium oryzae), sheath blight (caused by Rhizoctonia solani), during the t. aman and boro season. The breakout and severity of percent leaf/sheath area diseased were recorded under natural infection. On the basis of disease intensity, one breeding line was found moderately resistant, 13 were moderately susceptible and 13 were susceptible and 5 were highly susceptible to BLB at t. aman season and at boro season, 5 were highly resistant, 5 were resistant, 12 were moderately resistant and 9 were moderately susceptible to BLB. In case of sheath rot, 6 were moderately resistant, 26 were moderately susceptible and 2 susceptible in t. aman season. One line was resistant, 14 moderately resistant and 17 were moderately susceptible to sheath rot in boro season. At t. aman season, 29 lines were resistant, 3 were moderately susceptible and at boro season, all cultivars including checks were resistant to sheath blight. Considering both seasons, the accession numbers 56, 57, 64, 66, 71 and 73 showed comparatively better performance against above mentioned three major rice diseases.
 
 
 
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