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Journal of Agronomy

Year: 2003  |  Volume: 2  |  Issue: 3  |  Page No.: 153 - 159

Effect of Row Spacing on the Grain Yield and the Yield Component of Wheat (Triticum aestivum L.)

Iqtidar Hussain, Muhammad Ayyaz Khan and Khalil Ahmad


An experiment was conducted to determine the effect of different row spacing on grain yield and yield components of wheat variety Inqilab 91 at the agronomic research area, Faculty of Agriculture, Gomal University, D.I. Khan. The results revealed that different row spacing significantly affected plant population m-2, number of spikes m-2, 1000 grain weight, biological yield and grain yield. Number of grains spike-1, spikelets spike-1, spike length and harvest index remained non significant. Maximum tillers m-2 (418.5) and spikes m-2 (408) were observed at cross drill sowing techniques of 30 x 30 cm2. While maximum 1000 grain weight (48.70 g) were recorded at wider row spacing of 60 cm. Maximum biological yield (14.13 t ha-1) and grain yield (5.65 t ha-1) were also observed in cross drill sowing (30 x 30 cm2).

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