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Articles by Zulfiqar Ali
Total Records ( 5 ) for Zulfiqar Ali
  Muhammad Akbar Khan , Abdul Ghaffar , Zulfiqar Ali , Umar Farooq , Zafar Hameed Bhatti and Muhammad Akhtar
  Twenty mammalian fossil specimens of varying preservational state are described from the Chinji Formation of Dhulian, Pakistan. The remains described in this study are all teeth and represent the Proboscidea, Perissodactyla and Artiodactyla. All the dental specimens are new variants recorded here for the first time. Pliotriplopus dhulianensis is new to science having small size and absence of crista than Pliotriplopus chinjiensis. These findings extend the geographic distribution of this dentally highly derived Triplopinae, which was previously restricted to a single species, Pliotriplopus chinjiensis. Additional fossils of the three mammalian orders are necessary to shed new light on the phylogenetic relationships within the first representatives of the orders in Eurasia. A very important, deciduous tooth of the species Stegolophodon cautleyi hitherto unknown is described in this report.
  Zulfiqar Ali , Abdus Salam Khan and Muhammad Azeem Asad
  The response of ten different wheat genotypes to three NaCl levels i.e., control, 7.5 and 15 dS m -1 were compared. Increase in salinity level caused significant reduction in plant height, fresh shoot weight, and dry shoot weight. On the basis of relative salt tolerance, genotypes 243/1 and Tob.66 were found to be more tolerant to salinity and KLR-3-4,SARC-I, NIAB-20, NIAB-30, 5039 and 6529-11 were moderately tolerant and the genotypes 4072 and 6142 were least tolerant to salinity. The estimates of broad-sense heritability for these characters ranged 0.09 to 0.68. The data suggested that improvement in NaCl tolerance in bread wheat is possible by exploiting variability through conventional breeding methods.
  Nikhat Saba , Viqar Uddin Ahmad , Zulfiqar Ali and Khalid Mohammed Khan
  A triterpenoid saponin, guaianin O (1), oleanolic acid 3-O-lcubagr-L-rhamnopyranosyl-(1 → 2)-[β-D-glucopyranosyl-(1 → 3)]-agr-L-arabinopyranosidercub-28- O-[β-D-glucopyranosyl]-ester, was isolated from the n-butanol extract of flowers of Guaiacum officinale L. The structural elucidation of 1 was accomplished by extensive studies of both one and two dimensional 1H, 13C-NMR spectra, the FAB mass spectrum, and alkaline and acid hydrolyses.
  Rahmat Ullah Khan , Abdur Rashid , Zulfiqar Ali and Muhammad Sohail Khan
  This study was conducted to determine the effect of water supply at critical growth stage of sorghum in Arid Zone Research Institute, D.I. Khan. The results indicated that the yield components and grain yield were significantly affected by water supply. Irrigation applied at heading stage of the crop significantly increased plant height, maturity period, fresh and dry weight of heads plot-1, 1000 grain weight and grain yield of sorghum irrespective to cultivars. Maximum grain yield of 3319 kg ha-1 was obtained with irrigation as against 2206 kg ha-1 obtained from un-irrigated treatments. The plant height, fresh and dry weight of heads plot-1, 1000 grain weight and grain yield of different cultivars were also different significantly irrespective to irrigation. Maximum grain yield of 2976 kg ha-1 was produced by the cultivar DS-2000 compared to 2550 kg ha-1 by DS-97 Yarik. The interaction between irrigation and cultivar as regards yield and yield components of sorghum was non significant. The findings of this study suggested that the grain yield of sorghum can be increased by 50% with irrigation applied at the heading of sorghum.
  Shahzadi Mahpara , Zulfiqar Ali , J. Farooq , Safdar Hussain and Rehana Bibi
  Yield component breeding and modification of the plant architecture offer possibilities to develop more efficient breeding systems for increased grain yield. Heterosis and heterobeltiosis studies were done at Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan following Matzinger’ approach (1956) among seven wheat genotypes viz., Shahkar-95, Parwaz-94, Iqbal-2000, Uqab-2000, MH-97, 4072 and Punjab-96 for crosses in all possible combinations. Yield and yield related traits like plant height, number of tillers/plant, spike length, spikelets/spike, spike density, grain/spike, 1000-grains weight and grains yield/plant were investigated. Results for analysis of variance indicated significant differences among genotypes for many plant traits under study. Maximum significant heterosis (21.95%) was found in grain yield/plant followed by spike length (14.62%) and grain yield/spike (13.68%). While maximum heterobeltiosis was recorded for grain yield/plant (11.33%), followed by spike length (9.13%). It is concluded that 4072 x Punjab-96 cross showed best performance followed by Parwaz-94 x MH-97, Iqbal-2000 x parwaz-94 than other crosses under study. These crosses cab be utilized in further breeding programme as parents for contributing high yield not only under optimum environment but also under drought conditions as water use efficient crosses. The results of heterosis suggest that hybrid vigor is available for the commercial production of wheat and selection of desirable hybrid among the crosses having heterotic effects in other characters is the best way to improve the grain yield of bread wheat.
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