بررسی خصوصیات زراعی و رنگدانه‌های فتوسنتزی کتان روغنی (Linum usitatissimum L.) رقم نورمن تحت شرایط قطع آبیاری و کاربرد قارچ میکوریزا و کود زیستی فسفاته در یاسوج

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد زراعت، گروه زراعت و اصلاح نباتات ، دانشکده کشاورزی، دانشگاه یاسوج

2 دانشیار گروه زراعت و اصلاح نباتات، دانشکده کشاورزی، دانشگاه یاسوج

چکیده

 به منظور بررسی تأثیر کودهای زیستی مختلف بر خصوصیات زراعی و رنگدانه­های فتوسنتزی کتان روغنی تحت شرایط قطع آبیاری، آزمایشی به صورت کرت­های خرد شده در قالب طرح بلوک­های کامل تصادفی با سه تکرار در مزرعه تحقیقاتی دانشگاه یاسوج در سال 1396 انجام شد. رژیم آبیاری در سه سطح آبیاری کامل، قطع آبیاری در شروع گلدهی تا شروع کپسول­دهی و قطع آبیاری در شروع کپسول­دهی تا پایان رسیدگی و کاربرد کود زیستی در چهار سطح قارچ میکوریزا آربوسکولار، فسفات بارور 2، قارچ میکوریزا آربوسکولار +  فسفات بارور2 و عدم کاربرد کود زیستی به ترتیب به­عنوان عامل اصلی و فرعی در نظر گرفته شدند.  کمترین عملکرد دانه و روغن (7/93  و 9/32 گرم در متر مربع) و کمترین تعداد کپسول در بوته, تعداد دانه در کپسول و وزن هزار دانه و همچنین بیشترین درصد پروتئین دانه از  تیمار قطع آبیاری در مرحله شروع کپسول­دهی تا پایان رسیدگی حاصل شد. کاربرد قارچ میکوریزا آربوسکولار+  فسفات بارور2 نسبت به عدم کاربرد کود زیستی به ترتیب باعث افزایش 5/25، 5/26، 1/33 و 4/17 درصد در تعداد کپسول در بوته، عملکرد دانه، عملکرد روغن و درصد پروتئین دانه شد. استفاده از قارچ میکوریزا + فسفات بارور 2 در تیمارهای آبیاری کامل و قطع آبیاری در مرحله شروع کپسول­دهی تا پایان رسیدگی باعث افزایش معنی­دار محتوای کارتنوئید برگ در نمونه­برداری در مرحله پر شدن دانه گردید. همچنین در آبیاری کامل نیز کودهای زیستی قارچ میکوریزا و فسفات بارور 2 باعث افزایش معنی­دار محتوای کلروفیل کلدر نمونه­برداری در مرحله شروع کپسول­دهی شد.
 
 

کلیدواژه‌ها


عنوان مقاله [English]

Assessment of Agronomical Traits and Photosynthesis Pigments of linseed (Linum usitatissimum L. cv. Norman) under Irrigation Cut-off Condition and Application of Mycorrhiza Fungi and Phosphate Bio Fertilizer in Yasouj

نویسندگان [English]

  • Fatemeh Shojaeian kishi 1
  • Alireza Yadavi 2
  • Amin Salehi 2
  • Mohsen Movahhedi Dehnavi 2
چکیده [English]

           In order to evaluate the effect of different bio-fertilizer on agronomical traits and photosynthesis pigments of linseed under irrigation cut-off condition a farm experiment carried out as split plot base on randomized complete block design with three replication at research field of Yasouj university in 2017. Irrigation regimes at three levels, full irrigation, irrigation cut-off at beginning of flowering until beginning of podding, irrigation cut-off at beginning of podding to end of maturity and bio-fertilizer application at four levels as mycorrhiza arbuscular fungi, Phosphate Barvar2, mycorrhiza arbuscular fungi+Phosphate Barvar2 and non-application of bio-fertilizer were considered as the main and the sub plots, respectively. Results showed that the lowest grain and oil yield (93.7 and 32.9 g.m-2) and the lowest  capsule numbers per plant, seed numbers per capsule and 1000 seed weight and also the highest seed protein percent were achieved from irrigation cut-off at  beginning of podding to end of maturity. Application of mycorrhiza arbuscular fungi + Phosphate Barvar2 comparison with non-application of bio-fertilizer increased capsule numbers per plant, grain and oil yield, and protein percent by 25.5, 26.5, 33.1 and 17.4 percent respectively. Use of mycorrhiza arbuscular fungi + Phosphate Barvar2 under irrigation cut-off at beginning of podding to end of maturity increased leaf carotenoid content significantly in seed filling stage sampling. Also in full irrigation condition at beginning pooding stage sampling, Use of mycorrhiza arbuscular fungi + Phosphate Barvar2 increased leaf chlorophyll content significantly. 
 
 

کلیدواژه‌ها [English]

  • Grain Yield
  • Leaf Chlorophyll
  • Linseed
  • Mycorrhiza
  • Oil Yield
  • Phosphate Barvar2
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