Effect of sowing rates on the grain yield of wheat variety Punjab-96
2000
Khan, M.A. | Sadozai, G.U. | Ahmad, K. (Gomal Univ., D.I. Khan (Pakistan). Faculty of Agriculture)
The experiment was conducted to study the effect of sowing rates on the yield components and grain yield of wheat variety Punjab-96 at Agronomic Research Area, Faculty of Agriculture, Gomal University, Dera Ismail Khan during 1998-99. All sowing rates had significant effect on tillers per plot. Sowing rates higher than 100kg ha-1 increased tillers over low seed rate of 50kg ha-1. High sowing rates than 100kg ha-1 did not show any significant effect on spike length over low seed rate (50kg ha- 1). Low seed rate produced more number of grains per spike over high seed rates. Sowing rates from 50kg ha-1 to 500kg ha-1 had no significant effect on 1000-grain weight. The highest seed rate did not produce the highest biological yield mainly due to plant competition for nutrients, light and air. The lowest biological yield in case of low seed rate was merely due to low plant population. The grain yield was decreased by using seed rate above 250kg ha-1. The highest grain ratio towards total dry matter production was found in plots sown at low seed rate (50kg ha-1) which can be attributed to more grains per spike. There was positive correlation between yield components and grain yield
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Эту запись предоставил National Agricultural Research Centre