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Journal of Agricultural Science and Technology، جلد ۱۷، شماره ۷، صفحات ۱۷۶۹-۱۷۸۰
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عنوان انگلیسی Optimizing Sulfosulfuron and Sulfosulfuron Plus Metsulfuron-methyl Activity when Tank-Mixed with Vegetable Oil to Control Wild Barley (Hordeum spontaneum Koch.)
چکیده انگلیسی مقاله Wild barley has invaded wheat fields ever since flamprop-isopropyl was outdated in Iran. Newly developed herbicides such as sulfosulfuron or sulfosulfuron plus metsulfuron-methyl can control it at higher than recommended dosages, but causing significant wheat injury. Hence, two dose-response experiments were conducted to evaluate their efficacy when tank-mixed with thirteen different vegetable oils, at the Ferdowsi University of Mashhad, Iran, during 2013. Moreover, a wheat cultivar (Gaskogen) was also treated with effective dose of 90% (ED90) of both herbicides (21.44 grams active ingredient (g ai) of sulfosulfuron ha-1 and 41.95 g ai of sulfosulfuron plus metsulfuron-methyl ha-1) with and without each vegetable oil to check selectivity. Averaged over vegetable oils, the effective dose of 50% (ED50) was decreased 2.6- and 3.0-fold with sulfosulfuron and sulfosulfuron plus metsulfuron-methyl, respectively. Among the evaluated vegetable oils, cottonseed and coconut oil were the best ones to enhance the efficacy of both herbicides. The castor oil had the least effect. A negative correlation was observed between the efficiency of vegetable oils and its unsaturated/saturated fatty acids ratio. No phytotoxic effect on wheat was observed when these herbicides were applied with or without the vegetable oils.
کلیدواژه‌های انگلیسی مقاله Crop selectivity,Herbicide efficacy,Penetrant agent,vegetable oils,Wild barley
نویسندگان مقاله E. Izadi-Darbandi |
Department of Agronomy and Plant Breeding, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Islamic Republic of Iran.

A. Aliverdi |
Department of Agronomy and Plant Breeding, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Islamic Republic of Iran.

نشانی اینترنتی https://jast.modares.ac.ir/article_15817_51736c43d867e9392935b85ca11e3b0b.pdf
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