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Articles by M.S. Ali
Total Records ( 6 ) for M.S. Ali
  K.L. Hossain , M.M. Rahman , M.A. Banu , T.R. Khan and M.S. Ali
  This research paper attempts to investigate the performance of Asparagus racemosus grown by the application of different forms and doses of nitrogen fertilizer at the Germplasm Centre (GPC) of the Fruit Tree Improvement Program (FTIP), Department of Horticulture, Bangladesh Agricultural University, Mymensingh during February to October, 2005. The treatments consisted of prilled urea and super granule urea at 0, 100, 200 and 300 kg N ha-1 concentrations. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. The number, length, diameter and both fresh and dry weight of tuberous roots were found higher with super granule urea than that of prilled urea. Root protein content was found to be 25.20% higher in super granule urea treated plants compared to prilled urea. The rates of nitrogen also had a significant effect on plant height, leaves number and number, length, diameter and both fresh and dry weight of tuberous roots when compared to 0 kg N kg ha-1 to the rest of the rates. Root protein content was 21.87, 12.5 and 14.06% higher than the control at the 100, 200 and 300 kg N ha-1 concentrations, respectively. Therefore, application of 100 kg N ha-1 as super granule urea was found to be sufficient for the sustainable production of tuberous roots of Asparagus.
  S.B. Bhyan , M.A.H. Chowdhury , M.M. Alam and M.S. Ali
  The experimentation was made to investigate the incidence of tomato yellow leaf curl virus and its effect on the nutritional components in fruits and chlorophyll content in the leaves of Lycopersicon esculentum taken under phytopesticidal management. Phytopesticidal treatments used in the study were extracts of neem (Azadiracta indica) fruits, garlic (Allium sativum) bulbs, karamja (Pongamia pinnata) leaves and mehogoni (Swietenia macrophylla) seeds. Plots with no phytopesticidal treatments were used as control. Plants under no management were found to be in highest incidence of the virus. There were significant role of phytopesticides in reducing the incidence and severity of tomato yellow leaf curl virus. Among the treatments, Karamja extract performed best against TYLCV in all respect of yield and yield related parameters of tomato. Viral infection in tomato plants caused a negative effect on fruit nutrition. Though negative effect of TYLCV infection was found for chlorophyll A content in tomato leaves, but for chlorophyll B, it caused no significant effect.
  M.K. Bashar , Khaleda Akter , K.M. Iftekharuddaula and M.S. Ali
  Leaf water potential (y leaf) was measured in culture solution in hydroponic system under controlled condition of the two crosses involving diverse rice genotypes to investigate the inheritance pattern and heritability. Polygenes were involved in this trait and theψleaf was governed either by no-dominant or partial dominant alleles and that was controlled by genes with additive effects in upland and hill rice. The heritability estimates were low (25-28%). Leaf water potential was significantly and positively correlated with root thickness, root volume, root length, plant height and leaf area in one of the two crosses. Negative relationship was found with shoot dry weight.
  M.S. Ali , S.Khatun , M.K. Bashar , M.S. Alam , D. Purba , M. Kawase , K. Okuno and S. Kiyosawa
  In two tests, 108 and 96 F3 lines derived from a cross of rice varieties, Nipponbare (japonica) and Juma (indica) were used for gene analysis of lesion size and lesion number as components of field resistance to blast, respectively. Blast isolate, Ken 54-20 was used in evaluating disease resistance of the hybrid population. Nipponbare showed a small number of large lesions and Juma showed a large number of small lesions in one of the two tests. F3 plants with higher levels of resistance (evaluated as; highly resistant) than their parents were observed in some lines. Resistances were evaluated on individual plant basis and divided into four reaction types, R, N (Nipponbare type, small lesion number), J (Juma type, small lesion size) and S (susceptible). Resistances in three classes, R, R+N and R+N+J, were analyzed by the cumulative frequency distribution curve method. To explain these three types of segregations, three genes (controlling inhibition of lesion size and number) with minor effect were assumed: AACC in Nipponbare and BB in Juma. Additive effect of these three genes, AABBCC, was considered for explaining R type resistance, AACC for N type field resistance and BB for J type field resistance. But in another test (Test 2) with different F3 segregating lines derived from the same F1, resistance was explained by BBDD genes in Juma and EE gene in Nipponbare. This suggests that at least one gene in Nipponbare was not expressed in Test 2, indicating of epistatic change of gene action between the tests. There was no association between seed sterility and blast resistance, although there was an association between color of the basal leaf sheath and seed sterility. This means that genes responsible for seed sterility are not linked with blast resistance genes.
  M.U. Ahammad , M.S.R. Swapon , T. Yeasmin , M.S. Rahman and M.S. Ali
  An experiment was conducted with 120, seven-day old Vencobb commercial broiler chick feeding ad libitum upto 42 days of age on 4 different iso-nitrogenous and iso-energetic diet formulated by replacing dietary sesame oil cake (SOC) by duckweed (DW) to have its effect on performance of broilers. Live weight, feed conversion and profitability increased when sesame oil cake was partially replaced by duck weed. Complete SOC replaced diet significantly reduced live weight gain, feed intake, feed conversion and profitability, as compared with partial replacement of SOC by duckweed and SOC based control diet. Partial replacement of SOC by DW did not affect survivability of broiler. So it might be concluded that replacement of costly SOC partially by cheaper unconventional DW in broiler diet resulted in increased profitability. Therefore, cheaper duckweed could be practiced in formulating economic balanced diet for broiler.
  P.A. Onocha , E.O. Ajaiyeoba and M.S. Ali
  Antileishmaniasis, phytotoxicity and cytotoxicity of the methanolic extracts of the root, stem and leaves of Pycnanthus angolensis was evaluated in vitro, as part of the screening of ethno - medically useful plants from the Nigerian flora for biological activity and constituents. Brine shrimp lethality has been extensively used as a tool to screen active natural products. Bioactive compounds are often toxic to Artemia salina (shrimp eggs) and it has been observed that natural antitumor compounds can inhibit the growth of Lemna minor. The antileishmanial activity was assessed using promastigote culture of Pakistani leishmanial strain (L. major) in 96 well micro titer plate bioassay, phytotoxicity using the Lemna bioassay and cytotoxicity using brine shrimp lethality assay. The methanolic extract of the root and stem exhibited dose dependent phytotoxicity while the leaf methanolic extract only displayed significantly phytotoxicity at the highest dose investigated. The stem methanolic extract was found to be leishmanicidal with an IC50 of 70.59 g mL 1and exhibited no cytotoxicity. The root methanolic extract exhibited cytotoxicity with a positive lethality of LD50 727.70 g mL 1 and was not leishmanicidal. The leaf methanolic extract was neither leishmanicidal nor cytotoxic. These results could be considered a valuable support of the ethnomedical uses of the plant.
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