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The Competitive Ability Of Avena Spp. And Alopecurus Myosuroides Huds. Influenced By Different Wheat (Triticum Aestivum) Cultivars, Hüsrev Mennan, Doğan Işik
The Competitive Ability Of Avena Spp. And Alopecurus Myosuroides Huds. Influenced By Different Wheat (Triticum Aestivum) Cultivars, Hüsrev Mennan, Doğan Işik
Turkish Journal of Agriculture and Forestry
Field experiments were conducted at Havza and Gelemen to evaluate the effect of different densities of Avena spp. and Alopecurus myosuroides Huds. on wheat cultivars Bezostaja and Kate-A-I. As expected the semi-dwarf cultivar Bezostaja was shorter than Kate-A-I in all weed densities, indicating that plant height was not correlated with competitiveness under the experimental conditions. The mean yields of Bezostaja and Kate-A-I in the weed-free plots in 2000-2001were 3420 kg ha^{-1} and 3360 kg ha^{-1}, respectively. Both species caused decreases in wheat yield with increasing density. While 20 Avena spp. per square reduced the yield by 13.3% in Bezostaja, yield …