اثر محلول‌پاشی نانوکلات آهن و تلقیح با باکتری مزوریزوبیوم بر گره زایی ریشه، رشد و عملکرد نخود در شرایط دیم

نوع مقاله : مقالات پژوهشی

نویسندگان

دانشکده کشاورزی همدان

چکیده

تحقیق حاضر در مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه بوعلی سینا همدان در سال زراعی 91-1390 اجرا شد. هدف آزمایش بررسی اثر محلول پاشی نانو کلات آهن و باکتری مزوریزوبیوم بر میزان گره زایی، رشد، عملکرد دانه و اجزای عملکرد نخود تحت شرایط دیم بود. طرح آزمایشی مورد استفاده بلوک‌های کامل تصادفی با سه تکرار و هشت تیمار (T1: شاهد (عدم تلقیح بذر و عدم محلول پاشی)، T2: تلقیح بذر با باکتری مزوریزوبیوم، T3: محلول پاشی نانو کود در مرحله گلدهی، T4: تلقیح بذر+محلول پاشی در مرحله گلدهی، T5: محلول پاشی در مرحله غلاف دهی، T6: تلقیح بذر+محلول پاشی در مرحله غلاف دهی، T7: محلول پاشی در مراحل گلدهی و غلاف دهی و T8: تلقیح بذر+محلول پاشی در مراحل گلدهی و غلاف دهی) بود. اثر تیمارهای آزمایشی بر همه صفات (به استثنای شاخص برداشت) معنی دار شد. بر اساس مقایسه میانگین ها، بیشترین مقدار صفات ارتفاع بوته، تعداد شاخه فرعی در بوته، تعداد غلاف در بوته، تعداد دانه در بوته، وزن هزار دانه، عملکردهای دانه و بیولوژیک و تعداد و وزن خشک گره در ریشه در تیمار T8 به دست آمد. با این وجود، بین تیمارهای T4 و T8 از نظر عملکردهای دانه و بیولوژیک تفاوت معنی داری وجود نداشت. بنابراین، تلقیح بذر نخود با باکتری مزوریزوبیوم و محلول پاشی نانو کلات آهن در مرحله گلدهی و یا گلدهی+غلاف دهی، توانست بیشترین میزان گره‌زایی ریشه، شاخص های زراعی و عملکرد دانه را تولید کند.

کلیدواژه‌ها

عنوان مقاله [English]

Effect of foliar application of nano-iron chelate and inoculation with mesorhizobium bacteria on root nodulation, growth and yield of chickpea under rainfed conditions

نویسندگان [English]

  • Javad Hamzei
  • Saeed Najjari
  • Farshid Sadeghi
  • Mohsen Seyedi
Faculty of Agriculture, Hamedan
چکیده [English]

This research was carried out at the Research Farm, Faculty of Agriculture, Bu-Ali Sina University in growing season of 2011-2012. The aim of research was to evaluate the effect of foliar application of nano-iron chelate and bacterization of mesorhizobium bacteria on root nodulation, growth, grain yield and yield components of chickpea under rainfed conditions. A randomized complete block design with three replications and eight treatments (T1: control; non-inoculated and non-foliar application, T2: seed inoculation with mesorhizobium bacteria, T3: foliar application of nano fertilizer at flowering stage, T4: seed inoculation+ foliar application at flowering stage, T5: foliar application at podding stage, T6: seed inoculation + foliar application at podding stage, T7: foliar application at flowering and podding stages and T8: seed inoculation + foliar application at flowering and podding stages) were used. The effect of treatments on all traits (except harvest index) was significant. Based on mean comparisons, maximum values for traits of plant height, number of branches per plant, number of pods per plant, number of grain per plant, 1000-seeds weight, biological and grain yields, number and dry weight of root nodule were achieved at T8 treatment. However, there is no significant difference for grain and biological yields between T4 and T8 treatments. Therefore, inoculation of chickpea seeds with mesorhizobium bacteria and foliar application of nano-iron chelate in either flowering stage or flowering + podding stages can produce the highest root nodulation, agronomic indices and grain yield.

کلیدواژه‌ها [English]

  • Biological fertilizer
  • Foliar application
  • Pod number per plant
  • Pulses
  • Thousands seed weight

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