برهمکنش تراکم و مدیریت گیاه پوششی ماش (Vigna radiata L.) بر عملکرد دانه و کنترل علف‏های هرز کنجد (Sesamum indicum L.)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشگاه علوم کشاورزی و منابع طبیعی ساری

2 گروه زراعت، دانشگاه علوم کشاورزی و منابع طبیعی ساری

چکیده

به منظور بررسی تاثیر تراکم و مدیریت گیاه پوششی ماش در عملکرد دانه و سرکوبی علف‏های هرز کنجد آزمایشی مزرعه‌ای در سال 1394 در قالب طرح بلوک‌های کامل تصادفی با سه تکرار انجام شد. تیمارهای آزمایش شامل سه سطح تراکم گیاه پوششی ماش (5، 10 و 15 بوته در متر مربع) و سه سطح مدیریت ماش  شامل بدون اعمال مدیریت، قطع و گذاشتن در طرفین کنجد، سم‏پاشی با علفکش پاراکوات در مقدار 50% دز توصیه شده و دو شاهد بدون گیاه پوششی و عاری از علف‌های هرز بودند.نتایج نشان داد  که تداخل تمام ‏فصل علف‏های هرز سبب کاهش 58 درصدی عملکرد دانه کنجد نسبت به شرایط عاری از علف هرز در شرایط بدون گیاه پوششی شد. تیمارهای مدیریت قطع ماش در تراکم‏های 5، 10 و 15 بوته در متر مربع عملکرد دانه کنجد را بترتیب 84، 96 و 120 درصد نسبت به شاهد تداخل علف‌های هرز افزایش داد. بالاترین تراکم و وزن خشک پهن‏برگ و باریک‏برگ‏های هرز در تیمار شاهد تداخل علف هرز مشاهده شد. وزن خشک باریک برگ های هرز در شرایط بدون مدیریت، قطع و علف‏کش در تراکم 10 بوته ماش، به ترتیب 83، 86 و 89 درصد نسبت به شاهد تداخل علف‏هرز کاهش یافت. درنهایت با توجه به اهمیت کشاورزی پایدار می‌توان گیاه پوششی ماش (تراکم 15 بوته در متر مربع)‌ را با اعمال مدیریت قطع در جهت بهبود عملکرد کنجد و سرکوبی علف‌های هرز آن توصیه نمود.
 

کلیدواژه‌ها

عنوان مقاله [English]

Interaction of Density and Management of Mungbean (Vigna radiata L.) on Sesame (Sesamum indicum L.) Seed Yield and Weeds Control

نویسندگان [English]

  • Hannaneh Mehdipour 1
  • Rahmat Abbasi 1
  • Arastoo Abbasianh 2
چکیده [English]

In order to evaluate the density and Mungbean management effects on seed yield of Sesame and suppression of weeds, an experiment was done in research field of Sari university of Agricultural and Natural Resources in 2015, in randomized complete block design with 3 replications. Treatments included 3 level of Mungbean density (5, 10 and 15 plant.m-2), 3 level of Mungbean management (no management, cut and putting in the sides of sesame, and spraying with Paraquat herbicide at half recommended dose), and 2 check treatments (no cover crop at weed free and weed infested at full season). The results showed that sesame seed yield at full season weed infested reduced by 58% compared with weed free plot. Cutting cover crop management at 5, 10 and 15 plant.m-2 densities, caused to increase seed yield by 84, 96, and 120% compared with weed infested plot. The highest density and dry weight of broad leaf and grassy weeds were observed at full season weed infested (at no cover crop plot). Dry weight of grassy weeds at no management, cutting and spraying with herbicide at 10 Mungbean plant.m-2 reduced by 83, 86 and 89% compared with no cover crop at weed infested, respectively. Finally, the importance of sustainable agriculture can be recommended Mungbean cover crop (density of 15 plant.m-2) with cut management to improve seed yield of Sesame and suppression of weeds.
 

کلیدواژه‌ها [English]

  • Cutting
  • Interference
  • Recommended Dose
  • Weeds Free
  • Yield

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دانش کشاورزی وتولید پایدار
دوره 27، شماره 2
تیر 1396
صفحه 37-48

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