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بررسی امکان محلول پاشی توأم اوره با برخی از علفکشهای رایج مزارع گندم | ||
| آفات و بیماری های گیاهی | ||
| دوره 74، شماره 1 - شماره پیاپی 81، شهریور 1385، صفحه 103-121 اصل مقاله (128.64 K) | ||
| شناسه دیجیتال (DOI): 10.22092/jaep.2006.122892 | ||
| نویسندگان | ||
| مهدی مینباشی* ؛ محمد علی باغستانی میبدی؛ حمید رحیمیانمشهدی | ||
| چکیده | ||
| چکیده علفکشها و کودهای شیمیایی دو نهاده مهم در تولید گندم میباشند. این بررسی بمنظور امکان افزایش کارآیی این دو عامل و کاهش هزینههای تولید گندم صورت گرفت. بدین منظور آزمایشی سه ساله جهت بررسی امکان محلول پاشی اوره و علفکشهای رایج گندم در کرج انجام شد. آزمایش در قالب طرح بلوکهای کامل تصادفی و با ساختار تیماری فاکتوریل در سه تکرار اجرا گردید. عامل نخست روشهای کاربرد کود اوره (در دو سطح: محلول پاشی و مصرف خاکی) و عامل دوم علفکشهای متداول (9 ترکیب با احتساب شاهد) در نظر گرفته شد. نتایج نشان داد که امکان اختلاط اوره با علفکشهای رایج گندم بدون کاهش کارآیی آنها وجود دارد. علاوه بر آن کاربرد اوره بصورت محلول پاشی سبب افزایش عملکرد بیولوژیک و عملکرد دانه گندم گردید. در بین تیمارهای اختلاط علفکش و اوره، ترکیب اوره + تریبنورونمتیل + کلودینافوپپروپارژیل توانست بالاترین عملکرد دانه و کمترین وزن خشک علفهای هرز در واحد سطح را تولید نماید. کاربرد این ترکیب در مزارع گندم، علاوه بر افزایش کارآیی نیتروژن سبب کنترل مناسب علفهای هرز در گندم گردید. | ||
| کلیدواژهها | ||
| اوره؛ علفکش؛ گندم؛ اختلاط | ||
| عنوان مقاله [English] | ||
| Possibility of tank mixing and foliar application of urea and selective herbicides in wheat (Triticum aestivum L.) | ||
| نویسندگان [English] | ||
| M. Minbashi؛ M.A. Baghestani؛ Hamid Rahimian Mashhadi | ||
| چکیده [English] | ||
| Chemical herbicides and fertilizers are two important inputs in cereal production systems. Tank mixing and foliar application of urea fertilizer and selective herbicides could cause reduction of inputs and costs, and increase the fertilizers use efficiency in wheat. For verifying this hypothesis, a three year trail was conducted during 1999 to 2001 at weed research station of Plant Pest and Diseases Research Institute in Karaj. The experiments were carried out in randomized completed block design (RCBD) with four replications in a factorial arrangement of treatments. Treatments included herbicide combination at nine levels and urea application in two methods: foliar application and top dressing. The results of the experiment indicated that foliar application of urea had a significant effect on yield. The urea tank mixing with herbicide had no effect on herbicides use efficiency. Among herbicide and urea combinations, Urea+Tribenuron-methyl+Clodinafop-propargile was the best combination for controlling weeds and increasing grain and biological wheat yield. This combination could be used as a tool for increasing nitrogen use efficiency and best chemical treatment for weed management in wheat. | ||
| کلیدواژهها [English] | ||
| Urea, Herbicide, Wheat, Tank mixing | ||
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| مراجع | ||
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