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Articles by Mohammad Ashraf Mirjat
Total Records ( 2 ) for Mohammad Ashraf Mirjat
  Saghir Ahmed Sheikh , Muhammad Ibrahim Keerio , Maqsood Anwar Rustamani and Mohammad Ashraf Mirjat
  Fatty acid analysis in cotton seedlings following waterlogging showed changes in both their levels and relative composition. This treatment caused a marked increase in the amount of esterified fatty acids. Waterlogging also enhanced the synthesis of a set of low molecular weight compounds and suppressed the synthesis of all the “normal” fatty acids. A significant increase in free fatty acids was also observed.
  Mohammad Ibrahim Keerio , Mohammad Ashraf Mirjat , Shanila Yasmeen Chang and Irfana Parveen Bhatti
  Heat-hardening treatments indicates that B.rhizobium japonicum can grow better at high temperatures. During first 12h of incubation (after hardening at 40°C) the rhizobia sometimes grew less well than the controls, but growth then increased more quickly up to 36h of incubation compared to controls. A small decrease in cell population was measured after 48h, however, similar to that in the control. At 45°C, the heat-hardened rhizobia grew similar to the controls during the first 12h, then a sharp increase was found after 36h. Growth was then much better in the hardened cultures than controls. Same time at 40°C, the pH declined sharply after 12h and remained stable on further incubation. However, the pH of the culture which was incubated at 45°C did not decline during the first 24h of incubation and only a very slow decline was found after that. Similar results were found in the cultures which had been hardened at 45°C. In cultures which were incubated at 40°C, the pH decreased slightly after 12h of incubation and became stable on further incubation. At 45°C, decrease in the pH was not found up to 24h and then a small decline take place with increasing incubation periods.
 
 
 
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