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Articles by Syed Asghar Hussain
Total Records ( 3 ) for Syed Asghar Hussain
  Asghar Ali , Abdur Rab and Syed Asghar Hussain
  The experiment was conducted to investigate the yield and nutrient losses and economic return at various stages of harvest in potato crop. Plant height and plant spread increased from 31.8 and 41.58 at HD60 to 40.3 and 50.58 cm at HD90. The number of stems per plant also increased from 3.55 at HD60 to 6.45 when the crop was harvested at HD90. Specific gravity and dry matter content also increased when harvesting was delayed to the optimum time. Specific gravity and dry matter contents increased from 1.075 and 19.60% at HD60 to 1.083 and 21.31% at HD90, respectively. The starch content increased gradually from 14.79% at HD60 to 15.65% at HD90 while total sugars decreased with an increase in developmental stage. It decreased from 707.75 mg/100g at HD60 to 549.50 mg/100g at HD90. Early harvested crop resulted in smaller tuber size (39.20 mm) and low yield (7.79 t ha-1) at HD60 which increased to a tuber size of 64.1 mm, yielding 11.45 t ha-1 at HD90. The highest gross benefit (Rs. 60,810 ha-1) was obtained at HD60 (Rs. 60810), which decreased to Rs. 53,940 ha-1 at HD90. These results suggested that although early harvest gave poor quality tubers and low yield but the market demand at this stage is high and the growers get higher return from early harvesting.
  Syed Wajahat Hussain , Muhammad Ishtiaq and Syed Asghar Hussain
  Different bulb sizes and planting dates significantly affected onion leaf production. Small bulb sizes showed maximum sprouting (83.98%) and benefit ratio (0.98) as compared to 38.1% and loss ratio (-0.49) respectively for large bulbs. Number of leaves/plant (35.13) and marketable yield/ha (31.8 t) were significantly higher in medium size bulbs (4.5-5.5 cm diameter) as compared to number of leaves/plant (27.63) for small bulbs (3.5-4.5 cm diameter) and yield/ha (13.3 t) respectively for large bulbs (5.5-7.0 cm diameter). Planting on 21st July showed maximum number of leaves/plant (38.37) and days taken to uprooting (122.9) of green yield, while minimum number of leaves/plant (26.07) on 15th Sept. and days taken to uprooting (60.92) were recorded on 29th Sept. Maximum sprouting (78.70%) in total number of 45 bulbs/plot was observed by planting bulbs on 29th Sept., while less sprouting (43.14%) was found when the plantation was done on 21st July. Planting bulbs on 29th Sept. significantly enhanced the total marketable yield per ha (28.3 t) and benefit ratio (0.54). Plants obtained from small bulbs sown on 29th Sept. gave more profit and therefore is recommended for onion growers.
  Syed Asghar Hussain , Abdur Rab Fayaz Ali Jan and Syed Asghar
  Eight potato seed sources viz. tissue culture, Nagar (Gilgit), Sheshghat (Gilgit), Okara, Batakundi, Parachinar (local), Peshawar, and Jaji (Afghanistan) were compared for their performance at village Luqumankhel, Parachinar during spring 1999. Minimum days (32) to 80% emergence were taken for seed source Peshawar as compared to the maximum days of 43.75 for seed source Jaji. The difference in percent emergence among seed sources was negligible. Significantly maximum soil coverage (94.5%), plant height (57.0 cm), number of stems/plant (5.5), large size tubers weight/plant (718.0 g), marketable yield per ha (62.10 t) with no attack of early blight and potato leaf roll virus (PLRV) was in tissue culture seed source while minimum stems/plant (2.5), plant height (31.7 cm), weight of large size tubers/plant (205.5 g) and total marketable yield/ha (20.31 t) with more infestation of early blight and PLRV was observed in Peshawar seed source. Significantly highest yield of 63.30 t ha–1 was recorded from tissue culture seed source followed by 58.50, 55.66 and 52.40 t ha–1 from seed sources Nagar, Batakundi and Parachinar respectively and lowest yield of 21.07 t ha–1 from Peshawar seed source.
 
 
 
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