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Articles by Muhammad Tariq Jan
Total Records ( 5 ) for Muhammad Tariq Jan
  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.
  Muhammad Zahir Afridi , Muhammad Tariq Jan and Anwar Ali Shad
  An experiment was conducted to evaluate the effect of NPK on canola (cv. Dunkeld). Sole dose of N proved superior to split dose and produced significantly taller plants. Nitrogen application methods had no influence on grain yield and oil contents. Grain yield increased with increase in P level. Oil contents significantly increased by P up to 50 kg ha-1, but further increase in P decreased the oil contents. Potassium showed no influence on any observation other than oil contents. A combination of 100 kg N, 75 kg P and 30 kg K ha-1 seems to be the optimum dose in terms of higher canola grain production. While highest oil contents can be obtained with 100 kg N, 50 kg P and 60 kg K ha-1.
  Habib Akbar , Miftahullah , Muhammad Tariq Jan , Amanullah Jan and Ihsanullah
  Days to tasseling (55.43), days to silking (68.43), plant height (135.76 cm) and biological yield (11890.6 kg ha -1) was significantly increased at 180000 plants ha -1. Maximum 1000-grains weight (125.97 g) and more number of cobs plant -1 (1.61) was obtained at 60000 plants ha -1 while highest grain yield (1777.42 kg ha -1) was obtained at 120000 plants ha -1. Maximum days to tasseling (57.35), silking (69.50), maturity (102.7) and tallest plants (140.23 cm) were recorded for 200 kg N ha -1. Maximum number of plants (104185 ha -1) was harvested from plots receiving 150 kg N ha -1. Nitrogen level of 150 kg N ha -1 resulted in the greater grain yield (2006.95 kg ha -1) and 1000-grains weight (132.73g). Highest biological yield (12291.1 kg ha -1) was recorded for 200 kg N ha -1. Plant population of 120000 plants ha -1 interacting with 150 kg N ha -1 gave maximum grain yield of 2195.75 kg ha -1.
  Amanullah Jan , Khalid Naveed and Muhammad Tariq Jan
  In order to provide conducive environment for groundnut growth and pig penetration, two soil amendments methods using various levels of gypsum (0, 250, 500 and 750 kg ha-1) and silt (25, 50 and 75%) were applied. Results showed that days to flowering and maturity, nodules plant-1, pod plant-1 grain yield (kg ha-1) and biomass were significantly (p < 0.01) affected by SA and GNR, while the effect on emergence m-2 and 1000-grains weight was non significant. GNR and SA had significantly delayed flowering and maturity and significantly more nodule plant-1, pod plant-1, biomass yield and grain yield as compared with control.
  Masood Jan , Farhatullah , Muhammad Tariq Jan , Ghulam Hassan and Raziudin
  A study on a 8x8 diallel fashion in sunflower was conducted at NWFP Agricultural University Peshawar Pakistan. The genetic analysis showed that additive and non-additive effects were significant for achene yield (kg ha-1). The maternal and non-maternal reciprocal effects were also controlling the inheritance of the trait. The non-additive effect was more pronounced from H1>D. The Wr/Vr did not give a slope so the mean degree of dominance (H1/D)1/2 better reflected the overdominance effect for the trait. In case of oil content, the Hayman complete analysis suggested the involvement of additive and non-additive components of variation. Dominance genetic vrainaces H1 and H2 were also significant indicated that genetic variances for oil content was under control of both additive and non-additive effects. The Wr/Vr graph indicated that overdominance is controlling oil content in these genetic materials. The heritability estimates in broad sense were from moderate to high while heritability estimates in narrow sense were low to moderate for both the traits.
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