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Articles by Khalid Nawab
Total Records ( 5 ) for Khalid Nawab
  Khair Mohammad Kakar , Muhammad Tariq , Fazal Hayat Taj and Khalid Nawab
  To study the effect of inoculation and phosphorus application on soybean nutrition, an experiment was conducted at two locations in the North West Frontier Province (NWFP) of Pakistan. Four levels of P viz., 0, 40, 60, and 80 kg ha-1 of P2O5, and two levels of inoculation, no inoculation and inoculation with Bradyrhizobium japonicum were studied. Data were recorded on biological yield, seed yield, and P concentration in biological yield, and P uptake efficiency (PUPE), P utilization efficiency (PUTE), P use efficiency (PUE), fertilizer P uptake efficiency (FPUPE), fertilizer P utilization efficiency (FPUTE), fertilizer P use efficiency (FPUE) were calculated. Phosphosrus application slightly increased PUPE but decreased PUTE and PUE. Increase in P application increased FPUPE, FPUTE and FPUE. Inoculation increased PUPE, PUE and FPUPE at both locations but increased PUTE, FPUTE and FPUE at NWFP-AU only. Due to increase in yield and improvement in nutritive quality of the soybean seed and shoot, inoculation and P application is necessary for higher protein and oil yields from soybean seeds as well as for higher forage protein yields from soybean planted for forage.
  Muhammad Irfaq and Khalid Nawab
  Wheat cultivars Pirsabak-91 (P-91), Khyber-87 (K-87) and Tarnab-78 (T-78) were irradiated with 10kR, 20kR, 30kR and 40kR doses of gamma irradiation. The cultivars showed significant reduction in plant height, survival percentage & 1000-grain weight under the influence of high gamma rays doses (30kR & 40kR) excepting days to germination. Germination of all the cultivars was significantly delayed in response to all the gamma rays doses and low dose (10kR) increased the plant height in case of Pirsabak-91. Higher gamma rays doses (30 & 40kR) also created abnormalities in plant height. All the cultivars responded differently to different gamma rays doses with respect to some of the characters.
  Amanullah , Asad Ali Khan , Khalid Nawab and Quahir Sohail
  More than 50 germplasm of common beans (P. vulgaris L.) collected from FATA (Federally Administered Tribal Areas) and neglected pockets of NWFP were evaluated at the sub-Research Station of Kalam-Swat during summer 1999. The grain yield performance of 25 each yielding germplasm including 9 from Swat (CB-01, 03, 07, 09, 11, 13, 16, 17 and 39), 4 each from Tirah (CB-15, 31, 32 and 33) and Gilgit (CB-08, 18, 19 and 25), 3 from Dir (CB-02, 06 and 14), 2 each from North Waziristan (CB-05 and 15) and Chitral (CB-10 and 20) and one from Mansehra (CB-04) in relation to other important agronomic characters was tested again at the sub-Research Station of Kalam-Swat during summer 2000. Based on the grain yield potential, the germplasm were divided into three groups in descending order. Germplasm CB-16 ranked first by producing maximum yield of 3457 kg ha-1, followed by germplasm CB-09 with 3086 kg ha-1 while, minimum yield of 1111 kg ha-1 was obtained by germplasm CB-25. Average grain yield in groups decreased in descending order from 3003 kg ha-1 in group I to 2356 kg ha-1 in group II and then further decreased to 1609 kg ha-1 in group III. Similarly the average values of 100-seed weight, pods per plant and harvest index decreased in descending order and showed positive relationship with grain yield. Plant height and branches per plant showed positive association with dry matter yield.
  Khan Bahadar , Muhammad Jamal , Khalid Nawab , Khalid Rasool and Muhammad Safdar Baloch
  The response of sugarcane superior genotypes was studied for four consecutive years from 1991-92 to 1994-95 in plant and Raton stages. The studies were confined to the major aspects i.e sugar contents, sugar and cane yields. Variety CP-75/324 gave the highest cane sugar, yields of 94.335 and 7.95 t ha–1 respectively. Varieties CP-65/357, PAS-132 and COL-75 were the next following and produced at par cane yield of 83.316, 83.114 and 81.952 t ha–1 respectively. Variety S-82-US-624 showed highest sugar% (9.67). Varieties CP-51/21, CP-65/357 and BF-162 ranked next for sugar contents i.e 9.59, 8.80 and 8.79 percent respectively. CP-51/21 and CP-65/57 followed CP-75/324 for sugar yield by producing 7.47 and 7.29 t ha–1, respectively. According to the results it is concluded that variety CP-75/324 possessed the highest cane, sugar yield, considerable sugar percent and therefore proved as the most suitable variety for the area. It was approved as a new commercial variety for the area with local name "Bannu-1" during 1992.
  Khan Bahadar , Mohammad Jamal , Mohammad Safdar Baloch , Hamdullah Azim and Khalid Nawab
  Response of 17 sugarcane varieties was observed in 3 plant and 3 ratoon stages from 1996-97 to 1998-99. The analysis of mean values revealed that varieties Bannu-1, Naurang-98, 5-84-I-351 and S-82-US-624 possessed better cane yield and sugar recovery. Varieties Bannu-1 and S-84-I-351 exhibited higher stalk yield and considerable sugar recovery. Variety COL-75 although, produced highest cane yield in plant crop, 1998-99 but poor in sugar contents. While, S-82-US-624 and S-88-US-402 showed better cane yield and the highest sugar recovery. Varieties Bannu-1 and Naurang-98 have already been approved for general cultivation in the area. While varieties S-84-I-351, S-82-US-624 and S-88-US-402 are the candidates varieties and are under consideration for commercial cultivation in the area. Short title: Response of distinct sugarcane varieties.
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