اثر نیتروژن، تلقیح با کود ارگانیک ومحلولپاشی با هورمون سیتوکینین بر عملکرد و اجزای عملکرد گندم دیم رقم سرداری

نوع مقاله : مقاله پژوهشی

نویسنده

گروه زراعت دانشکده کشاورزی دانشگاه آزاد اسلامی مهاباد

10.22124/jms.2023.7675

چکیده

جهت بررسی اثر سطوح مختلف قارچ مایکورت، کود نیتروژن و هورمون سیتوکینین بر عملکرد و اجزای عملکرد گندم رقم سرداری، آزمایشی در سال زراعی 99-1398 اجرا شد. آزمایش به­صورت فاکتوریل در قالب طرح پایه بلوک­های کامل تصادفی با سه تکرار بود. عامل اول کود ارگانیک مایکورت (2، 4 و 6 کیلوگرم در 100 کیلوگرم بذر)، عامل دوم کود نیتروژن (صفر، 25 و 50 کیلوگرم در هکتار) و عامل سوم محلول­پاشی با هورمون سیتوکینین (صفر، محلول­پاشی در زمان گلدهی و پرشدن دانه) بود. نتایج نشان داد که سطوح 25 و 50 کیلوگرم در هکتارکود نیتروژنه تعداد دانه در سنبله را در مقایسه با تیمار شاهد به­ ترتیب 23/44 و 69/32 درصد افزایش داد. تلقیح بذر با 2 و 4 کیلوگرم قارچ مایکورت همراه با کاربرد 25 کیلوگرم در هکتار کود نیتروژن بالاترین طول سنبله و تعداد سنبله در متر مربع را به­خود اختصاص داد. بالاترین تعداد سنبله در متر مربع، تعداد دانه در سنبله، وزن هزاردانه و عملکرد دانه به تیمار تلقیح بذر با 4 کیلوگرم مایکورت و محلول­پاشی سیتوکینین در مرحله دانه بستن اختصاص یافت، همچنین محلول­پاشی سیتوکینین در مرحله دانه بستن همراه با کاربرد 25 کیلوگرم در هکتار کود نیتروژنه توانست بالاترین تعداد سنبله در متر مربع، وزن هزاردانه، عملکرد بیولوژیک و عملکرد دانه را به خود اختصاص داد.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of nitrogen fertilizer, inoculation with mycort fungus and foliar spraying of cytokinin on yield and yields component of wheat sardari cultivar under rainfed conditions

نویسنده [English]

  • esmail nabizadeh
Department of agronomy, Faculty agriculture, Islamic Azad university ,Mahabad branch
چکیده [English]

To investigate the effect of different levels of Mycort fungus, nitrogen fertilizer and cytokinin hormone on yield and yield components of wheat, an experiment was conducted in 2018-19 crop year. The experimental design was a factorial based on randomized complete block with three replications. The first factor was organic fertilizer of mycorrhizal fungus (2, 4 and 6 kg/100 kg seeds), the second factor was nitrogen fertilizer (zero, 25 and 50 kg/ha) and the third factor was cytokinin foliar application (control, foliar application at flowering and grain filling). The results of mean comparisons showed that levels of 25 and 50 kg/ha of nitrogen fertilizer increased the number of grains compared to the control treatment by 44.23 and 32.69%, respectively.resultsshowed that inoculation with 2 and 4 kg/100 kg of seeds along with the application of 25 kg / ha of nitrogen had the highest spike length and number of fertile spikes. The highest number of fertile spikes, number of grains per spike, 1000-kernal weight, grain yield and harvest index were assigned to seed inoculation treatment with 4 kg of mycorta and cytokinin foliar application at grainclosure stage. Also, foliar application of cytokinin in the graining stage along with the application of 25 kg / ha of nitrogenfertilizer had the highest number of spikes, 1000-kernal weight, biological yield and grain yield.

کلیدواژه‌ها [English]

  • Cytokinin foliar application
  • Drought
  • Fungi coexist
  • Grain filling
  • Number of grain
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