اثر محلول‌پاشی آهن بر عملکرد، اجزای عملکرد و پروتئین دانه عدس
محورهای موضوعی : ژنتیک
1 - گروه کشاورزی، دانشگاه آزاد اسلامی واحد زاهدان، زاهدان، ایران
کلید واژه: عملکرد دانه, محلول‌پاشی, عدس, دیم, نانو کلات آهن,
چکیده مقاله :
تحقیق حاضر در دو سال زراعی 94-1393 و 95-1394 در مزرعه پژوهشی دانشکده کشاورزی، دانشگاه تهران واقع در کرج اجرا شد. هدف آزمایش بررسی اثر محلول پاشی نانو کلات آهن بر عملکرد، اجزای عملکرد و پروتئین عدس تحت شرایط دیم بود. طرح آزمایشی مورد استفاده بلوک‌های کامل تصادفی با سه تکرار و هفت تیمار شامل شاهد (عدم محلول پاشی)، محلول پاشی دو در هزار (گرم در لیتر) نانو کود در مراحل گلدهی، غلاف دهی و گلدهی + غلاف دهی و محلول پاشی چهار در هزار (گرم در لیتر) نانو کود در مراحل گلدهی، غلاف دهی و گلدهی + غلاف دهی بود. نتایج تجزیه واریانس داده ها نشان داد که اثر محلول پاشی آهن بر ویژگی های اجزای عملکرد دانه، عملکرد بیولوژیک و دانه، شاخص برداشت، آهن و پروتئین دانه و عملکرد پروتئین دانه معنی‌دار شد. اما اثر سال بر این ویژگی ها معنی‌دار شود. بر اساس مقایسه میانگین ها، بیشترین مقدار صفات تعداد دانه در بوته، وزن هزار دانه و عملکرد دانه و پروتئین دانه و نیز آهن و پروتئین دانه در تیمار محلول پاشی چهار در هزار نانو کود در مرحله گلدهی و نیام دهی به دست آمد. با این وجود، بین تیمارهای محلول پاشی دو و چهار در هزار نانو کود در مرحله گلدهی و نیام دهی از نظر عملکرد دانه و عملکرد پروتئین دانه تفاوت معنی داری وجود نداشت. بنابراین محلول پاشی نانو کلات آهن در مرحله گلدهی + نیام دهی، توانست بیشترین میزان شاخص های زراعی و عملکرد دانه را تولید کند.
This research was carried out during the growing seasons of 2013-2014 and 2014-2015 at Agricultural Research Station, Faculty of Agriculture, University of Tehran in Karaj. The aim was to evaluate the effect of iron foliar application on yield, yield components, and protein content of lentil under rain-fed conditions. A randomized complete block design with three replications and seven treatments (non-foliar application (control), 2 (g L-1) foliar application of nano fertilizer at flowering, podding and flowering + podding stages and 4 (g L-1) foliar application of nano fertilizer at flowering, podding and flowering + podding stages) were used. Analysis of variance showed that the effects of iron foliar spraying on grain yield components, biological and grain yield, harvest index, grain iron and protein content, and grain protein yield were significant. However, the effect of year of plantation was not significant on these properties. Comparison of means showed that maximum values for the number of grain per plant, 1000-seed weight and grain yield and grain protein yield, and grain iron and protein were achieved at 4 (g L-1) foliar application of nano fertilizer at flowering + podding stage treatment. However, there was no significant difference for grain yield and grain protein yield between 4 (g L-1) and 2 (g L-1) foliar application of nano fertilizer at flowering + podding stage treatments. Therefore, foliar application of nano-iron chelate at flowering + podding stages can produce the highest agronomic indices and grain yield. Alpha
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