کنترل شیمیایی و مکانیکی علف های هرز سویا (Glycin max L)

نوع مقاله: علمی پژوهشی

نویسندگان

1 استادیار گروه تولیدات گیاهی، دانشکده کشاورزی و منابع طبیعی دانشگاه گنبدکاووس، گنبدکاووس، ایران

2 دانشجوی کارشناسی ارشد رشته شناسایی و مبارزه با علف‌های‌هرز، گروه تولیدات گیاهی دانشگاه گنبد کاووس، گنبدکاووس، ایران

3 دانشیار گروه تولیدات گیاهی، دانشکده کشاورزی و منابع طبیعی دانشگاه گنبد کاووس، گنبدکاووس، ایران

4 استادیار گروه تولیدات گیاهی، دانشکده کشاورزی و منابع طبیعی دانشگاه گنبد کاووس، گنبدکاووس، ایران

چکیده

اثر غلظت­ های مختلف دو علف­کش ترفلان و پرسوئیت و وجین بر کنترل علف­ های ‌هرز، عملکرد و اجزای عملکرد سویا با اجرای آزمایشی به‌صورت طرح بلوک‌های کامل تصادفی در سه تکرار در زمین کشاورزی روستای قراول حاجی از توابع شهرستان کلاله استان گلستان در سال 1393 بررسی شد. تیمارها شامل کاشت سویا تحت شرایط وجین، عدم وجین و کاربرد علف­ کش‌های پرسوئیت و ترفلان به­ صورت 100% ترفلان؛ 75% ترفلان +25% پرسوئیت؛ 50% ترفلان + 50% پرسوئیت؛ 25% ترفلان + 75% پرسوئیت؛ 100% پرسوئیت؛ 100% پرسوئیت+ 25% ترفلان؛ 25% پرسوئیت + 100% ترفلان؛ 100% پرسوئیت + 50% ترفلان و 50% پرسوئیت + 100% ترفلان بودند. تراکم هر علف هرز، تراکم کل و درصد بازدارندگی آنها اندازه­ گیری شد. نتایج نشان داد که اثر کنترل شیمیایی و وجین بر کلیه صفات مورد بررسی به‌جز تعداد دانه در غلاف، وزن هزار دانه، محتوی کلروفیل a و کل، معنی‌دار بود. بیشترین میزان سطح برگ، ارتفاع بوته، تعداد غلاف‌ در بوته، وزن خشک اندام‌های هوایی، تعداد دانه در بوته و وزن دانه در بوته به‌ترتیب در تیمار 100% پرسوئیت (238.67 سانتی‌متر مربع)، تیمار وجین (57.69 سانتی‌مترمربع)، دو تیمار وجین (33.1) و 25% پرسوئیت + 100% ترفلان (28.3)، دو تیمار وجین (163.92 گرم) و 100% پرسوئیت (163.70 گرم)، وجین (67.10 دانه در بوته) و دو تیمار وجین و 100% پرسوئیت + 50% ترفلان ( 10.27 گرم در بوته) مشاهده شد. بیشترین میزان عملکرد دانه، با مقدار 2383 کیلوگرم در هکتار، مربوط به تیمار وجین بود. در میان تیمارهای علف­ کش، بیشترین درصد کنترل علف‌های‌هرز مربوط به هر دو تیمار ترکیبی افزایشی 100% پرسوئیت + 25% ترفلان (72.86) و 50% پرسوئیت + 100% ترفلان (75.19) بودند. بر اساس نتایج حاصل، بیشترین میزان محتوی پروتئین و کلروفیل b سویا به تیمار وجین تعلق داشت. هم‌چنین، بیشترین و کمترین محتوی فنل‌کل و پروتئین از تیمار 100% ترفلان به‌دست آمدند. اگرچه تیمارهای افزایشی فوق، علف‌های‌هرز بیشتری را کنترل نمودند اما احتمالاً اثرات بازدارندگی بر صفات اجزای عملکرد داشتند. این امر موجب کاهش عملکرد سویا نسبت به برخی تیمارهای جایگزینی و وجین شد. 

کلیدواژه‌ها


عنوان مقاله [English]

Chemical and Mechanical Control of Soybean (Glycin max L.) Weeds

نویسندگان [English]

  • Ebrahim Gholamalipour Alamdari 1
  • Taher Erteghzadeh 2
  • Abbas Biabani 3
  • Ali Nakhzari Moghadam 4
1 Assistant Professor, Department of Plant Production, Faculty of Agriculture and Natural Resources , Gonbad Kavous University, Gonbad Kavous, Iran
2 MSc. Student in Identification and Weed Control, Department of Plant Production, Gonbad Kavous University, Gonbad Kavous, Iran
3 Associated Professor, Department of Plant Production, Faculty of Agriculture and Natural Resources, Gonbad Kavous University, Gonbad Kavous, Iran
4 Assistant Professor, Department of Plant Production, Faculty of Agriculture and Natural Resources , Gonbad Kavous University, Gonbad Kavous, Iran
چکیده [English]

To evaluate effects of the various concentrations of two herbicides of the trifluralin and Imazethapyr and weeding on weeds control, yield and yield components of soybean (Glycin max L.), an experiment was carried out based on randomized complete block design with three replications at the Agriculture Land of Ghravolhaji Village in Kallale district of Golestan province in 2014. Treatments consisted of planting soybean under weeding, without weeding and application of trifluralin and Imazethapyr as 100% trifluralin, 75% trifluralin + 25% Imazethapyr, 50% trifluralin + 50% Imazethapyr, 25% trifluralin + 75% Imazethapyr, 100% pursuit, 100% Imazethapyr + 25% trifluralin, 25% Imazethapyr + 100% trifluralin, 100% Imazethapyr + 50% trifluralin and 50% Imazethapyr + 100% trifluralin. density of each weed, their total density and inhibition percentage were measured. Results showed that the effect of chemical weed control on all traits measured, except seed number per pot, 1000 seed weight, content of chlorophyll a and total chlorophyll, were significant. The highest leaf area, plant height, number of pods per plant, aerial plant dry weight, seed number per plant and seed weight per plant were observed in the treatment of the 100% Imazethapyr (238.67 cm2), weeding (57.69 cm), both treatments of weeding (33.10) and 25% Imazethapyr +100% trifluralin (28.3), both treatment of weeding (163.92 g) and 100%  Imazethapyr (163.70 g), weeding (67.10 seed per plant), both treatment of weeding and 100%  Imazethapyr + 50% trifluralin (10.27 seed per plant) respectively. The highest seed yield was obtained from weeding treatment (2383 kg/h). Based on the results, the highest content of protein and chlorophyll b in soybean were obtained from weeding treatment. The highest inhibition percentage of weeds was found in the additional treatment of 50% Imazethapyr + 100% trifluralin (75.19) and 100% Imazethapyr + 25% trifluralin (72.86). The lowest and highest total phenols content and proteins also were obtained in the treatment of 100% trifluralin. Although treatments mentioned above had inhibitory effects on weeds they also decreased the yield components and seed yield of the soybean.

کلیدواژه‌ها [English]

  • Imazethapyr
  • Trifluralin
  • Weeding
  • yield
  • soybean

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