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Articles by Muhammad Zafar Iqbal
Total Records ( 3 ) for Muhammad Zafar Iqbal
  Muhammad Iqbal , Muhammad Ali Chang , Abid Mahmood , Muhammad Zafar Iqbal , Mahmood-ul- Hassan and Noor-ul- Islam
  The node above white flower (NAWF) technique was used to monitor the growth, development and maturity of ten cotton varieties viz. Reshmi, CIM-443, MNH-93, MNH-329, MNH-395, MNH-439, S-12, FH-900, CIM-1100 and NIAB-78 during the years 1997, 1998 and 1999. The NAWF counts were made at weekly intervals. By regressing NAWF means over time, the number of days to reach NAWF of 5.0 (NAWF-5) was determined. Days to NAWF-5 were highly correlated with percent first pick of seed cotton yield. It was observed that NIAB-78 and CIM-443 achieved NAWF-5 earlier by 109.86 and 109.09 days (average of three years). Days to NAWF-5 provided a focal point for all management decisions. Therefore, it became evident that NAWF technique could be used for monitoring cotton plant after flowering, earliness determination of variety/strain and detecting fruiting problems during growth season.
  Muhammad Iqbal , Muhammad Ali Chang , Muhammad Zafar Iqbal , Mahmood-ul- Hassan , Abdul Nasir and Noor-ul- Islam
  The present study was conducted on correlation and path coefficient analysis of earliness an agronomic characters of upland cotton. The results showed that node of first fruiting branch, number of monopodial and sympodial branches plant-1, number of flowers and number of bolls per plant-1, boll weight, fiber fineness (micronaire) value and fiber strength were positively and significantly correlated with yield in present material. Similarly path coefficient analysis revealed that number of sympodial branches and number of flowers plant-1, number of bolls plant-1 and boll weight had maximum direct positive effect on yield of seed cotton. Whereas, the traits number of monopodial branches plant-1, ginning out turn percentage (GOT%) and staple length had the direct negative effects on seed cotton yield plant-1. The results indicated that for evolving a superior genotype possessing all the three basic characteristics i.e. earliness, high yield and improved fiber quality of international standard, the breeder had to use the reciprocal recurrent selection method or modified back cross or three way cross within genetic material under study.
  Muhammad Iqbal Baig , Muhammad Nawaz and Muhammad Zafar Iqbal
  The urinary excretion and metabolism of 4-Methyl 2-sulfanilamido-oxazole (sulfamethoxazole) were determined in goats following intravenous injection of a single dose 50 mg/kg body weight. The percentage of intravenous dose of 4-Methyl 2-sulfanilamido-oxazole (sulfamethoxazole) excreted in the urine until 24 hour as total amine was 61.0 ± 5.2 per cent, free amine 43.2 ± 4.6 per cent and acetyl amine was 17.8 ± 1.2 per cent. The mean ± SE values for relative percentage of Metabolite I identified as unchanged amine was 42.3 % Metabolite II acetyl amine was 15.67 per cent, Metabolite III hydroxy derivative 18.33 and as conjugated Metabolite were 23.33 per cent. In goats, the urinary excretion and Metabolism of 4-Methyl 2-sulfanilamido-oxazole (sulfamethoxazole) revealed differences appprising as adjustment dosage regimen in the indigenous goats.
 
 
 
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