Journal of Food, Agriculture and Environment

Interference of wild oat (Avena fatua) with wheat cultivars

Author(s):

Rogayeh Hajizadeh ¹, Bahram Mirshekari ^2*

Recieved Date: 2011-07-18, Accepted Date: 2011-09-20

Abstract:

In order to study effects of wild oat interference with wheat cultivars a factorial experiment was carried out in Tabriz, Iran. The treatments were wheat cultivars, Zarrin, Alvand, Pishgam, Sardari, Azar and Rasad, and wild oat density of 2, 4, 6 and 8 plants per pot and six weed-free check plots. Study of crop leaves appearance trend at 15-90 days after emergence revealed that in higher weed densities leaves development rate in all varieties decreased. In wheat varieties flag leaf area was restricted by weed density. Seed production in wild oat was intensively reduced in higher weed densities. The stepwise regression analysis verified that the crop flag leaf area had a marked increasing effect on seed yield of wheat.

Keywords:

Interference, stepwise regression, wild oat

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Journal: Journal of Food, Agriculture and Environment
Year: 2011
Volume: 9
Issue: 3&4
Category: Agriculture
Pages: 398-399

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