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Articles by A.J. Khan
Total Records ( 2 ) for A.J. Khan
  A.J. Khan , F. Azam , A. Ali , M. Tariq and M. Amin
  Ten elite wheat breeding lines were evaluated for yield and yield components under rainfed conditions at Peshawar. Genotypic and phenotypic associations between the characters and their direct and indirect effects on grain yield were analyzed. Plant height showed positive correlation only with spikelets per spike and was negatively correlated with the other studied characters. Positive correlation of tillers per plant was observed with all the traits except spikelets per spike. Spike length was found to be positively correlated with spikelets per spike and grain yield and negatively so with 1000-grain weight. Significantly negative correlation of spikelets per spike was observed with 1000 grain weight and grain yield. Correlation coefficient between 1000-grain weight and grain yield ha-1 was positive and significant. Overall tillers per plant, spike length and 1000-grain weight showed significant positive correlation with grain yield while plant height and spikelets per spike were negative and significantly (p<0.05) correlated with grain yield. Path analysis indicated that tillers per plant had the highest positive direct effect on grain yield followed by spikelets per spike and 1000-grain weight, whereas plant height and spike length had negative direct effect on this parameter.
  N.A. Al-Saady , A.J. Khan , L. Rajesh and H.A. Esechie
  Fenugreek (Trigonella foenum gracium L.) is a widely known medicinal semi-arid crop, cultivated worldwide. But this herb is susceptible to salt stress especially during the vegetative growth phases. In order to investigate selected physiological characteristics like germination stress, proline and chlorophyll content under salinity stress, 8 Omani fenugreek accessions were exposed to 0, 4, 6, 8, 10 dS m-1 NaCl for 8 days. All accessions showed salt tolerance at germination and seedling growth at low level of salinity. But germination was delayed as NaCl concentration increased and 10 dS m-1 NaCl showed very poor germination rate. The accessions were then transferred to pots under same salt concentration to analyze the proline and chlorophyll content. The presence of NaCl in soil significantly influenced both proline and chlorophyll content and they both correlated positively.
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