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Articles by M.M. Alam
Total Records ( 7 ) for M.M. Alam
  S.B. Bhyan , M.M. Alam and M.S. Ali
  The experiment was conducted to find out the incidence of Okra mosaic virus (OMV) and its severity on yield and nutrition of okra under different phytopesticidal treatments. Four different plant extracts such as extracts of neem (Azadiracta indica) fruits, garlic (Allium sativum) bulbs, karamja (Pongamia pinnata) leaves and mehogoni (Swietenia macrophylla) seeds were considered as phytopesticidal treatments in this study. Plots with no phytopesticidal management were used as control. Highest rate incidence of okra mosaic virus was found in the plots with no phytopesticidal management. Though all the phytopesticides produced better performance than control, but karamja extract treated plants had minimal rate of incidence of this virus, with maximum plant height, flower production, fruits formation and highest yield.
  M.S. Mofasshalin , M.A. Bashar , M.M. Alam , Gazi Mahabubul Alam , D. Moumita , A.G. Mazlan and K.D. Simon
  The present study attempts to describe the parasitic infestations of three Indian minor carps (Labeo bata, Labeo gonius and Cirrhinus reba) collected from different fresh water bodies of Rajshahi district, Bangladesh during March 2007 to February 2008. A total of 480 host fishes were examined of which 370 fishes were infected by 4 protozoan (Trichodina sp., lchthyophthirius sp., Apiosoma sp. and Chilodonella sp.), 2 monogenean (Gyrodactylus sp. and Dactylogyrus sp.), 2 crustacean (Argulus sp. and Larnaea sp.), 1 digenean (Fellodistomum sp.) and 1 nematoda (Camallanus sp.) parasitic species. These parasites were isolated from body slime, gills and intestine of the infected fishes. Among the isolated parasites Fellodistomum sp. was found as the highest and Chilodonella sp. was found as the lowest in number. Our results indicate that infection and infestation rate of parasites varied with fish size and season and found to be high in the post-monsoon and winter periods (November-March), when fish are most susceptible to parasites.
  M.M. Alam and M.A. Newaz
  A study on eight flower and pod characters of Lablab bean (Lablab purpureus) was conducted in a 6X6 F2 diallel population grown under two sowing dates, July 1, 2000 (S1) and August 14, 2000 (S2). Combining ability studies revealed that both additive and non-additive gene actions controlled the expression of all the characters in both sowings. The parent DSN26 was found to be best general combiner for most of the characters irrespective of sowing dates. KBS2 and KBS3 expressed as good general combiners for early flowering and pod formation in both S1 and S2 conditions. In both sowing dates, DS 161 was a good general combiner for flower and pod formation and DS30 for pod length. The F2 progeny of DS52 x DS161 was the best specific combiner for early flowering in both sowings followed by DS30 x DSN26. Considering the stability of the F2 genotypes in different sowing dates and their SCA effects, DS30 x DS52 was identified as a promising genotype for inflorescence formation and pod yield. For the rate of pod setting DSN26 x KBS3 was the best specific combiner in both sowings. Significant different results were also found for both GCA and SCA effects due the influence of sowing dates on the genotypes.
  H. Rahman , M.M. Alam and A.M. Akanda
  The diverse nature of shift in the amount of cellular nutritional elements and nucleic acids as affected by the infection of different isolates of Papaya Ring Spot Virus-Papaya strain (PRSV-P) was studied in this experimentation. The symptomatic isolates used in the present study were mild mosaic, mosaic, fern leaf, severe mosaic, vein clearing, leaf distortion and chlorotic leaf spot. Parameters measured to quantify the alteration of cellular components comprised different nutritional cellular elements (C, N, P and K) and nucleic acids (DNA and RNA). In all occasion of measured parameter, the highest alteration was found in leaf distortion. Almost in all cases the lowest effect was determined with the Mild Mosaic infected plants followed by the mosaic, severe mosaic, vein clearing, chlorotic leaf spot, fern leaf and leaf distortion. Infection of seven different symptomatic isolates of PRSV-P created striking and responsive variability in all parameters studied. And the dependency of the cellular nutritional elements and nucleic acid on seven symptomatic variants of PRSV-P was found significantly correlated in respect to the corresponding yield.
  H. Rahman , M.M. Alam , S.B. Bhyan and A.M. Akanda
  The study was conducted to elucidate the diverse change in the amount of cellular pigment contents of papaya leaves infected with different biological variants of Papaya ring spot virus-Papaya strain (PRSV-P). Among the naturally prevailing PRSV-P strains in Bangladesh 7 different and distinctly defined ailments of symptoms, namely Mild mosaic, mosaic, fern leaf, severe mosaic, vein clearing, leaf distortion and chlorotic leaf spot has been selected to conduct the tests of this experimentation. Different partition of cellular pigments (Chlorophyll-a, Chlorophyll-b and ß-carotene) were measured to quantify the alteration of cellular components. For every partition of pigments tested, the highest alteration was found in leaf bearing leaf distortion symptom. In most of the cases the lowest shift in pigment content was determined with the leaf showing Mild Mosaic symptom followed by the mosaic, severe mosaic, vein clearing, chlorotic leaf spot, fern leaf and leaf distortion symptom, respectively. The variability in all the partition of pigments contents alteration was found to be consistently correlated with 7 symptomatic variants of PRSV-P.
  M.A. Khan , M.K. Hasan , M.A.J. Miah , M.M. Alam and A.S.M.H. Masum
  The experiment was undertaken to determine the effect of spacing on onion cultivation of different varieties. Different spacings were taken 20x10 cm, 15x10 cm, 10x10 cm, 15x7.5 cm, 10x7.5 cm and 7.5x7.5 cm. Three varieties viz BARI Piaz-1, Taherpuri and Faridpur Bhati were used for study. Significantly wider spacing produced higher size of plant height, leaf length and number of leaves. Bulb length, diameter and weight also the same trend in wider spacing. The weight of individual bulb of onion (23.52 g) was increased with the widest spacing (20x10 cm). On the contrary, yield ha–1 was the highest (16.65 t ha–1) at the closest spacing (7.5x7.5 cm) and the lowest (10.05 t ha–1) was at widest spacing (20x10 cm). But in closer spacing, bulb size was so small that was not suitable for the choice of consumer. On the other hand wider spacing produced the highest percentage (24.34%) multiplier bulbs that was not better for storing and consumers demand. So, in respect of economic point of view 15x10 cm spacing recommended in onion cultivation. It was found BARI Piaz-1 performed better in respect of yield and other parameters.
  M.M. Alam , S.M.R. Rahman , A.K.M.A. Mannan and M. Shams-ud- Din
  The present study aimed to prepare an acceptable quality of Kachhagolla and compare the quality of laboratory made Kachhagolla with that of Kachhagolla collected from five selected famous sweetmeat shops in Natore district of Bangladesh. Samples were judged by panel of experts by organoleptic qualities and also were analyzed for chemical and bacteriological properties. Significant difference (P<0.01) was found in case of laboratory made Kachhagolla interns of organoleptic characteristics. Statistical analysis showed that total solid, moisture, fat, protein, carbohydrate and ash of laboratory made Kachhagolla were significantly (P<0.01) higher than that of other samples of market kachhagolla. Total viable bacteria differ significantly among the treatment but coliform bacteria were not significantly differing among the treatments. Physiological, chemical, microbiological examination revealed that the laboratory made Kachhagolla was more superior to other samples and sample B was better than other sweetmeat shop in Natore district.
 
 
 
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