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Articles by Khurram Bashir
Total Records ( 2 ) for Khurram Bashir
  Maqbool Akhtar , Shahid Rafiq Ch , M. Ehsan Akhtar , M. Zameer Khan and Khurram Bashir
  An experiment was conducted to study the effect of varying P and K levels on agronomic traits and productivity of sugarcane at the National Agricultural Research Centre Islamabad during 1996-97. Application of either phosphorus or phosphorus and potash, along with nitrogen, significantly improved the filtering of sugarcane at early stages of growth. Millable canes per hectare were the maximum (130.7 thousands) with the application of 200 kg N, 150 kg P2O5 and 150 kg K20 ha–1 and were similar to those treatments where lower doses of P2O5 and K2O ha–1 were applied. Stalk height (290 cm) and girth (31.2 mm) were observed the maximum with the application of 200 kg N, 150 kg P2O5 and 150 kg K2O ha–1 but statistically similar to those produced with lower levels of P2O5 and/or K20. Total soluble solids were similar at early stages of cane maturity at various levels of P2O5 and K2O and were maximum (20.8%) at harvest with 200 kg N, 150 kg P2O5 and 150 kg K2O ha–1. Sugar recovery was also improved with the application of P and K. Maximum cane yield (138 t ha–1 ) and sugar yield (16 t ha–1) was produced with the application of 200 kg N, 150 kg P2O5 and 150 kg K2O ha–1.
  Sultana Rasheed , Tahira Fatima , Khurram Bashir , Tayyab Husnain and Shiekh Riazuddin
  Seeds of three indica rice varieties B-370, B-2000 and Super basmati were sterilized and incubated on callus inducing medium (MS-Medium with 2 mgl-1 2,4-D) for 2, 4, 6 and 8 weeks and calli were obtained after somatic embryogenesis. After the incubation periods, calli were transferred to the regeneration medium. Regeneration efficiencies decreased from 98.5, 98 and 95% after two weeks incubation to 30, 34 and 24% after eight weeks incubation for B-370, Super basmati and B-2000 respectively. Some interesting patterns for adventitious root formation were also observed. Significant variation was observed within and among different cultivars and incubation periods for average number of tillers, average plant height, number of panicles per plant, panicle length and average yield per plant. Seven interesting somaclones were marked and scored for agronomic and physiochemical analysis. Physiochemical studies did not reveal any significant variation. Present studies clearly indicated that somaclonal variation can successfully be used for creating genetic variation for varietal improvement.
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