Study of Integrate Methods Chemical and Cultural Control of Weeds to Wheat (Triticum aestivum L.)

Zoheir. Y.Ashrafi, Sedigheh Sadeghi and Hamid. Mashhadi

Journal of Agricultural Science, 2009, vol. 1, issue 2, 113

Abstract: An experiment was laid out to study the effect of different weed management practices and row spacings on the yieldand yield components of wheat variety Karaj-2 during 2005 – 2006 at Agronomy Research Farm, University College ofAgricultural and Natural Resource, University of Tehran. Wheat was sown at row spacing of 20, 30 and 40 cm, whileherbicides applied were broad spectrum 2,4-D butyl Ester- 72 EC + Isoproturon 75 WP @ 865 ml and 865 g ha-1respectively, broad leaf Buctril M 40 EC @ 1.25 liter ha-1 and a weedy check (no herbicide). Row spacing significantlyaffected all parameters. Minimum weeds density m-2 and maximum spikelets spike-1, grain yield, harvest index and netincome were found in 20 cm row spacing. While number of grains spike-1 were highest in 30 cm row spacing. Amongherbicides, minimum weeds density m-2 and maximum spikelets spike-1, grains spike-1, grain yield, harvest index andnet income were found in plots treated with broad-spectrum herbicide followed by Buctril-M 40 and the weedy check,respectively. It is concluded that maximum grain yield and net income can be obtained using broad spectrum (grasses +broad leaved) herbicides and narrow row spacing.

Date: 2009
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