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Articles by Imran Haider Shamsi
Total Records ( 5 ) for Imran Haider Shamsi
  Qaisar Mahmood , Wu Dong Lei , Afsari Sharif Qureshi , Muhammad Rashid Khan , Yousaf Hayat , Ghulam Jilani , Imran Haider Shamsi , Muhammad Ashraf Tajammal and Muhammad Daud Khan
  Genetic studies were conducted on six marketable cultivars of wheat (Triticum aestivum L. emp. Thell) viz; Inqilab, Khyber 87, Soghat, Sarsabz, Rohtas 90 and Pak 81 and their three F1 hybrids; Khyber 87 X Inqilab, Rohtas 90 X Pak 81, and Soghat X Sarsabz in Pakistan. Data for various morphological and biochemical traits were taken and analyzed for heterosis, correlation and path co-efficient. Significant heterosis for grain yield, biomass, plant height, flag leaf area, spike length, spikelets per spike and 1000-seed weight, protein content, gluten, reducing sugars, fats and minerals was recorded in F1 for all the three crosses. Analysis of variance revealed significant sum of genetic variability for all the characters. Positive and significant correlation of grain yield was recorded with plant height, spike length and biological yield at the genotypic level. There was a positive and significant association between protein content and number of spikelets per spike and protein and gluten content at genotypic level. However, correlation between grain yield and 1000-seed weight was negative and highly significant. In general, more correlation coefficient was recorded at the genetic level as compared to phenotypic level. While improving the yield potential of wheat varieties under investigation, direct simultaneous selection based on plant height, spikelets per spike, biological yield, harvest index and protein content of kernel would be advantageous. This information will ultimately lead to the determination of suitable plant types in wheat (Triticum aestivum L. emp. Thell)
  Mujtaba Masood , Muhammad Tariq Jan and Imran Haider Shamsi
  Field experiment was conducted to study the impact of nitrogen fertilizer (80, 100 and 120 kg N ha -1 to wheat (Triticum aestivum L.) applied at sowing, early and boot stage and weed control methods (no weeding, hand weeding, chemical applied once and twice). A basal dose of 40 kg N ha -1 was given to all treatments at sowing. Grain weight showed no response to fertilizer, Spike population and number of grains per spike had a positive linear relationship with fertilizer levels. Weed control methods significantly influenced grain weight and number of grains spike -1. Highest grain yield was achieved from single application of Isoproturon and fertilizer applied at the rate of 120 kg N ha -1 in three equal split doses.
  Mujtaba Masood , Imran Haider Shamsi and Noorullah Khan
  An experiment was conducted to study the impact of row spacing (15, 30, 45 and 60 cm) and fertilizer levels (0, 50, 75 and 100 kg ha-1) on canola. The number of pods plant-1, number of grains pod-1, thousand grain weight and grain yield ha-1 was recorded during the study. The highest number of pods (177) Plant-1, number of grains (30), thousand grain weight 0.86 g) and grain yield kg ha-1 (1692) was observed from plots where row spacing was kept at 45 cm. Similarly the highest number of pods (211) Plant-1, number of grains (36), thousand grain weight (1.02) and grain yield kg ha-1 (2270) was observed from plots where fertilizer level was 100 kg ha-1. The maximum yield and yield components were observed at the interaction of 45 cm row spacing and 100 kg DAP ha-1.
  Mujtaba Masood , Imran Haider Shamsi , Nazim Hussain and Wajid Ali Shah
  Field experiment was conducted to study the performance of various maize varieties as affected by different NP levels. Analysis of the data revealed that days to tasseling (82.96), thousand grain weight (268 g), biological yield (20293 kg ha-1), and grain yield (3193 kg ha-1) was significantly affected by different varieties. In case of fertilizer levels days to tasseling (77), biological yield (20067 kg ha-1), grain yield (3073 kg ha-1), and harvest index (15.6) was significantly affected by different NP levels. Similarly, interaction between varieties and NP had a significant effect on days to tasseling, thousand grain weight, biological yield, harvest index and grain yield. Variety “Hybrid No. 922” produced maximum days to tasseling (83), thousand grain weight (268 g), biological yield (20293 kg ha-1), and grain yield (3193 kg ha-1) when compared to other varieties. When the effect of different levels of NP was taken into an account, it was revealed that plots treated with NP levels of 120: 60 kg NP ha-1 produced maximum grain yield (3070 kg ha-1) and harvest index (14.94).
  Nazim Hussain , Imran Haider Shamsi , Sherin Khan , Habib Akbar and Wajid Ali Shah
  This experiment was conducted to study the beneficial effect of legumes and inorganic quantities of N on maize crop. Different levels of nitrogen i.e. 0, 40, 80 and 120 kg ha-1 were used. Besides maize alone, intercrops were; maize+mungbean, maize+pigeon pea and maize+janter. Maize @ 40, mungbean 20, pigeon pea 50 and janter at 25 kg ha-1 were used respectively. Maximum seedlings emerged m‾2 (40.20) was obtained at 120 kg N ha-1 in maize alone. Maximum days (61.7) to earing were taken by maize intercropped with janter. Maximum days (67.50) to silking were taken by maize+janter intercrop at 0 kg N ha-1. Maximum plant height (165.50 cm) was observed in maize alone at 120 kg N ha-1. Maximum cob length (12.55 cm) was noticed in maize and mungbean intercrop under 40 kg N ha-1. Maximum biological yield (28429.63 kg ha ha-1) was obtained from maize alone by 40 kg N ha-1. Maximum number of grains cob-1 (309) was obtained from maize and pigeon pea intercropping at 120 kg N ha-1. For maximum yield potential maize alone and maize+mungbean intercropping was at par statistically at 80 and 40 kg N ha-1 by giving 3463 and 3444 kg ha-1 yield, respectively. Overall legume intercrop was superior by decreasing less yield of maize crop in addition to legume seed yield and N cost minimization.
 
 
 
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