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Articles by Yousaf Ali
Total Records ( 4 ) for Yousaf Ali
  Yousaf Ali , M. Ahsanul Haq , G.R. Tahir and N. Ahmad
  The investigation was carried out to evaluate the influence of plant population on the seed yield and its components of a chickpea mutant (CM 2). Three each of inter (10, 20, 30 cm) and intra (5, 10, 15 cm) row spacings with plant population of 200, 100, 67, 50, 33 and 23 plants per m2 were included. The results indicated that increase in inter and intra row spacings significantly increased the plant height, number of pods per plant, seed yield per plant and per plot. It is suggested that for obtaining better yield in (CM 2) the crop should be sown at 23 plants per m2 instead of previously reported, optimum population of 33 plants per m2.
  Yousaf Ali and G.R. Tahir
  Association between the growth characters of plant height, number of primary branches per plant, number of pods per plant yield per plant and 100 seed mass were determined in 14 chickpea genotypes. Grain yield was positively correlated were number of primary branches, pods per plant, plant height and 100 seed mass. Multiple correlation of grain yield with plant height, number of primary branches, pods per plant and 100 seed mass was highly significant. The partial regression value were also significant.
  Yousaf Ali , M. A. Haq , G. R. Tahir and Nazir Ahmad
  Ten chickpea genotypes were evaluated for various morphological traits and yield under drought and normal field conditions. Genotype CM 2 produced more pods per plant, more elliptic index of leaf and more grain yield per plant under both conditions. Multiple correlation and regression analysis revealed that under normal conditions over all 92 percent variability in yield was accounted for by the plant height, secondary branches, pods per plant and elliptic index of leaf. While under drought conditions 96 percent variability in yield was accounted for by plant height, primary and secondary branches and pods per plant. Yield had high dependence upon plant height, secondary branches and pods per plant both under drought and normal field conditions.
  Yousaf Ali , M. Yasin Ashraf , Z. Aslam and S.S. Alam
  An experiment was conducted at three different locations of Punjab with twenty-four genotypes of cowpea under natural field conditions where yellow mosaic virus disease is a serious problem. Yellow mosaic virus infestation was rated after 4-5 weeks of sowing. Results indicated that genotypes 1T-95k-1156-3, 1T-94k-137-6, 1T-97k-9042-8,1T-97k-499-4, 1T-97k-497-2, 1T-93k-452,1T-97-k-350-4, SA Dandy, p-518, Elite, No.44 and 1T-84-552 showed highly resistant to resistant reaction, 1T-94k-440-3, 1T-95k-627-34, 1TK-238-3 gave tolerant to moderately tolerant reaction and 11-97k-461-4, 1T-97k-1021-15 showed moderately tolerant to susceptible reaction.
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