Estimation The Ability Of Bearing Some Wheat Cultivars For The Weeds Competition
ANBAR JOURNAL OF AGRICULTURAL SCIENCES,
2010, Volume 8, Issue 4, Pages 363-372
AbstractAfield experiment was condacted during 2007-2008 winter season at the farm in Ramadi city. The study aims to identify the ability of bearing some wheat cultivares for the weed competition in some chractars growth , Yield and yield components . The randomize complete block design arranged in split plot design; with three replections. The main plats included weed treatment,(weedy cheack) , grass weed treatment , border leaved treatment and weed free treatment. While sub plots included wheat cultivars:Fatah,IPA99,Abu-Grab3,Sali and Shamm6. The Results Showed that significant differences between wheat cultivars at weed competitive ability in all characteries under this study. The cultivar IPA99 gave grain yield (6.17)Ta/ha. In weed free treatment gave (7.06) Ta/ha. While the bored leaved weed treatment gave (6.80) Ta/ha, grass weed treatment gave (4.90)Ta/ha, while weed cheack treatment gave (4.95)Ta/ha. The cultivar Sali was not effect in grain weight. The results showed that weed free treatment gave height grain yield (6.37) Ta/ha. While the leaved weed treatment gave (5.87) Ta/ha. Grass weed treatment gave (5.05)Ta/ha. And weed cheack treatment gave (4.39)Ta/ha. It can be concluded that the best cultivar for this study Fatah and Shamm6 which that ability of bearing the weed competition. While the Abu-Grab3 and IPa99 the highest sensitivity to weed competition.
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