بررسی تأثیر ریزگردها بر کارایی علفکش های آتلانتیس، کلودینافوپ پروپاژیل و توفوردی+ ام سی پی آ در کنترل علف های هرز گندم

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش آموخته کارشناسی ارشد گروه زراعت و اصلاح نباتات، دانشگاه کردستان، سنندج، ایران

2 گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه کردستان، سنندج، ایران.

چکیده

ﺑﻪﻣﻨﻈﻮر ﺑﺮرﺳﯽ ﺗﻐﻴﻴﺮات ﻋﻤﻠﮑﺮد و برخی اﺟﺰاﯼ ﻋﻤﻠﮑﺮد گندم و میزان کنترل علف‌های هرز تحت تأثیر ریزگرد، آزمایشی در سال 96-1395 در مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه کردستان واقع در دهگلان انجام گرفت. این آزمایش به صورت اسپلیت پلات در قالب طرح پایه بلوک‌های کامل تصادفی، با 4 تکرار انجام ‌شد. تیمارهای آزمایشی شامل سطوح اعمال ریزگرد در دوسطح (وجود ریزگرد و عدم وجود ریزگرد به‌عنوان شاهد) به عنوان فاکتور اصلی و همچنین مصرف علفکش‌های مختلف شامل مزوسولفورون متیل+ یدوسولفورون متیل سدیم+ ایمن کننده مفن پایر دی اتیل (آتلانتیس ا.دی)، کلودینافوپپروپاژیل (تاپیک)، توفوردی+ ام سی پی آ، شاهد (تداخل با علف­هرز) و وجین دستی به عنوان فاکتور فرعی بودند. ﻧﺘﺎﻳﺞ ﻧﺸﺎن داد ﮐﻪ بیشترین وزن خشک علف‌هرز، کاهش در عملکرد و صفات بررسی شده (کاهش 3/6 درصدی ارتفاع، 9/2 درصدی تعداد دانه در سنبله، 72/4 درصدی وزن هزار دانه و در نهایت کاهش 3/10 درصدی عملکرد دانه) در شرایط وجود ریزگرد مشاهده شد. بیشترین تأثیر منفی ریزگرد بر علف‌کش توفوردی+ ام سی پی آ (کاهش 64 درصدی کارایی علفکش) مشاهده شد، اما کارایی مزوسولفورون متیل+ یدوسولفورون تحت تأثیر ریزگرد کاهش نیافت و در نتیجه بیشترین کاهش وزن خشک علف‌هرز مربوط به تیمار مصرف علفکش مزوسولفورون متیل+ یدوسولفورون بود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Evaluation of airborne dust effect on the efficiency of Atlantis OD, clodinafop propargyl and 2,4-D+MCPA herbicides on weed control in wheat

نویسندگان [English]

  • Masoud Naghib Alsadati 1
  • Sirwan Babaei 2
  • Iraj Tahmasebi 2
  • Hawre Kiani 2
1 M.Sc graduated of Agronomy and Plant Breeding Dept., University of Kurdistan, Sanandaj, Iran.
2 Dept. of Agronomy and Plant Breeding Faculty of Agriculture, University of Kurdistan Sanandaj, Iran.
چکیده [English]

To evaluate the amount of yield changes, some yield components and weeds control under the presence or absence of airborne dust, an experiment was conducted in the research field of the University of Kurdistan, (Dehgolan) in 2017. The experimental design was a randomized complete block in which treatments were arranged as split-plot with four replications. The experimental treatments include the levels of the airborne dust application (the existence of airborne dust and non-existence of airborne dust as the control) and also application of various herbicides included mesosulfuron-methyl + iodosulfuron (Atlantis OD), 2,4-D + MCPA, clodinafop propargyl, weedy control, and hand weeding control, which all can be considered as the main factor. The results showed that the highest dry weight of weeds, decreased yield and studied traits (6.3% decrease in height, 2.9% number of grains per spike, 4.72% the thousand seed weight and finally 10.3% decrease in grain yield) was observed due to the existence of airborne of dust .The most negative impact of dust on the 2,4-D herbicide (reduction of 64% herbicide efficiency) was observed, but the efficiency of mesosulfuron-methyl + iodosulfuron didn’t decrease under the effect of airborne dust. In conclusion, the highest weed dry weight loss was related to mesosulfuron-methyl + iodosulfuron treatment.

کلیدواژه‌ها [English]

  • 2
  • 4-D
  • Airborne dust
  • Weed
  • West of Iran
  • wheat cultivation
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