Abstract
The experiment was conducted under field condition at Jimma University, College of Agricultures and Veterinary Medicine (JUCAVM) to determine the effect of various wild oats (Avevafatua L.) densities on yield and yield components of Wheat (Triticumeastivum L.). The experiment design used was the randomized complete block design and each of the experimental treatment was replicated three times. A Wheat cultivar, Digalu was grown with (0, 20, 40, 60 and 80) Wild Oat densities as a treatment. Data were recorded on wheat plant height, number of tillers, fresh weight and dry weight. The result revealed that various Wild Oats densities statistically (p≤0.05) affected plant height, number of tillers, fresh weight and dry weight. The maximum values of all the parameters were recorded in the (0) Wild Oat density as well as from Wild Oats density (20). Whereas, the minimum values of these parameters were recorded where (80) wild oats densities were present. From the study it could be concluded that Wheat yield and yield components were greatly affected by Wild Oat densities. Judicious control measures for wild oats are recommended to be adopted that can control Wild Oats in Wheat crop to reduce the crop losses due to this noxious weed.
Highlights
Wheat (Triticum aestivumL) belongs to the family Poaceae, tribe Hordae and genus Triticum
Tillering Number Statistical analysis of the data showed that tillering numbers of Wheat plant was significantly affected by Wild Oat densities
As increased the density level of Wild Oat, Wheat tiller plant decreased due to interspecific competition
Summary
Wheat (Triticum aestivumL) belongs to the family Poaceae, tribe Hordae and genus Triticum. Common Wheat is hexaploid with 4 chromosomes and botanically known as Triticum aestivum L. It is an annual self-pollinated and photo periodically long day plant. The cereals of the grass family producing large edible grains provide about one half of man food calories and large parts of his nutrient requirement. Wheat is foremost among cereals, and among oil crops, as. Direct source of food for man (Peterson, 1965) [10].The increase in wheat production, more than any other crops, has allowed food supply to keep pace with world population growth. Ethiopia is the largest wheat producer in the sub-Saharan Africa in about one million hectares
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