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Articles by S. Khaghani
Total Records ( 2 ) for S. Khaghani
  S. Khaghani , M.R. Bihamta , F. Rahim and S. Khaghani
  This study was conducted in order to evaluate the effect of water stress (limited irrigation) on different traits of bean. Fifteen bean genotypes were planted in a randomized complete block design with three replications under non-stress and drought stress conditions (24 traits were recorded). The results showed, the most decrease in the bean has been the plant yield. The results of step wise regression showed that the length of the longest pod and the number of pod per plant under non-stress condition and 100-seed weight, number of seed per plant and days of cotyledon leaves appearance under stress condition had the most effect on the yield. Since all of these traits showed us a considerable changes in yield, to study of direct and indirect effects these traits were used. Results analysis indicated a high direct affects of traits in non-stress conditions and there were no conspicuous indirect affects in these traits. Direct affects of 100-seed weight, seed number per bush in stress condition was very high, but indirect affects showed a weak consequence. As a result a direct selection is suggested for these traits. Direct affects of day`s number till the leaves appearance was less considerable in compare with two previous traits and also indirect affects were unwanted. In resistance amount studying, indirect affects of tolerance`s susceptibility and also traits changes percentage in stress conditions were measured. Geometric Mean Productivity (GMP), Stress Tolerance Index (STI) and Mean Productivity (MP) were the most suitable indicators for selecting drought resistant genotypes. Based on these indicators KS-31146 and KS-31150 in red beans, were found as resistant genotypes.
  S. Khaghani , R.V. Shoushtari , H.R. Zolfagharieh , S. Khaghani and F. Rahim
  This study aimed to investigate the non-chemical performance against the Tribolium confosum, the influence of gamma irradiation in various doses on the young and aged adult. The insects were reared in a laboratory condition (27±1°C, RH; 65±10% and L: D, 8:16) and after gamma irradiation, they were kept in the same mentioned condition. Furthermore, the gamma ray effect on baking flour was studied before and after irradiation. Due to the primary tests, the extent of experienced does for the growth period of young-adult and mature-adult insects were determined. The young-adult and aged-adult insects were exposed to the selected doses and their mortality rate were registered after 24 h. The analysis showed that the killer does for 50% of their population in the young and aged adult was 1223.91 and 2296.15 Gy in 3 days, respectively. This study supports the assertion that relatively low doses of irradiation can serve as a disinfestations treatment. Product damage could be significantly reduced at a minimum irradiation dose while in high dose the mortality should take into the account.
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