اثر کاشت توأم گیاهان پوششی با سیب‌زمینی بر عملکرد و مهار علف‌های هرز

نوع مقاله: پژوهشی

نویسندگان

1 کارشناس ارشد شناساییو مبارزه با علفهای هرز دانشگاه شیراز شیراز، ایران

2 استادیار بخش زراعت و اصلاح نباتات دانشگاه شیراز شیراز، ایران

چکیده

به منظور ارزیابی اثر گیاهان پوششی سورگوم، شبدر ایرانی و شنبلیله بر جمعیت علف‌های هرز و عملکرد سیب­زمینی، آزمایشی در قالب طرح بلوک­های کامل تصادفی در ایستگاه تحقیقاتی دانشکده کشاورزی دانشگاه شیراز در سال زراعی 1391 انجام شد. آزمایش به صورت طرح بلوک­های کامل تصادفی با پنج تیمار و چهار تکرار، انجام گرفت. تیمارهای آزمایش شامل شاهد بدون وجین علف­های هرز، شاهد وجین شده، گیاهان پوششی سورگوم، شبدر ایرانی و شنبلیله کشت شده همراه سیب­زمینی بود. بعد از تیمار بدون وجین، کمترین وزن کل علف­های هرز متعلق به تیمار سیب­زمینی کشت شده با گیاه پوششی سورگوم و پس از آن شنبلیله بود. پیچک، تاج­خروس و سلمه­تره، به عنوان علف­های هرز غالب مزرعه، کمترین جمعیت را در تیمار گیاه پوششی سورگوم دارا بودند. برای صفت عملکرد غده سیب­زمینی تیمارهای اعمال شده، اختلاف معنی­داری را با یکدیگر نشان نداده و تمام تیمارها باعث کاهش عملکرد غده­ها شدند و بیشترین کاهش عملکرد مربوط به تیمار سورگوم بود. بر اساس نتایج به دست آمده، از این گیاهان پوششی می­توان به منظور مدیریت غیرشیمیایی علف­های هرز سیب­زمینی بهره برد.

کلیدواژه‌ها


عنوان مقاله [English]

Effect cover crops compound cultivation with potato on its yield and weeds control

نویسندگان [English]

  • Elham Fasihfar 1
  • Zahra Hosseini Cici 2
1 M.Sc. in identify and weed control, Shiraz University, Shiraz, Iran Email: Elham.fasihfar@gmail.com *Corresponding author
2 Assistant professor, Department of crop production and plant breeding, Shiraz University,Shiraz, Iran
چکیده [English]

To evaluate the effect of cover crops including sorghum, Persian clover and fenugreek on potato yield and weed population, an experiment was conducted as complete randomized block design with four replication in Shiraz University, Research Station of Agriculture Faculty, in spring and summer of 2012. The treatments control with and without weed control measures, and mentioned cover crops cultivated with potato. After weedy control, the less weed dry matter possessing plots was observed in potato-clover compound planting. Sorghum-potato and fenugreek systems were in the last places. Fieldbind weed, redroot pigweed and lambsquarters as dominant weeds had the least population in the sorghum-potato treatment and afterwards in the clover and fenugreek. All treatments reduced potato tuber yield and there was no significant differences between them. On the whole cover crops can be used for weeds management of potato farms as a none chemical option.

کلیدواژه‌ها [English]

  • Sorghum
  • clover
  • Fenugreek
  • fieldbindweed
  • Redroot Pigweed
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