تأثیر محلول‎پاشی سولفات روی بر خصوصیات کمی و کیفی سویا در منطقه خرم آباد

نوع مقاله: پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد زراعت واحد خرم آباد، دانشگاه آزاد اسلامی، خر مآباد، ایران.

2 استادیار دانشگاه آزاد اسلامی واحد خرم آباد.

3 استادیار پژوهش مرکز تحقیقات کشاورزی خرم آباد

چکیده

    برای بررسی اثر محلول‎پاشی سولفات روی بر عملکرد و اجزای عملکرد سه رقم سویا، آزمایشی در سال 1388 در مزرعه تحقیقاتی دانشگاه آزاد اسلامی واقع در منطقه کمالوند خرم آباد، به‎صورت فاکتوریل بر پایه طرح بلوک‎های کامل تصادفی با چهار تکرار انجام شد. فاکتورهای مورد بررسی شامل سه رقم سویای L17 , m9, m7 و محلول‎پاشی سولفات روی در سه سطح  (صفر،002/0 و 004/0 کیلوگرم در لیتر)در مرحله گل‎دهی و تشکیل غلاف بودند. صفات مورد بررسی شامل عملکرد دانه، عملکرد بیولوژیک، عملکرد روغن، درصد روغن دانه، قطر ساقه، تعداد گره در ساقه اصلی، متوسط طول میانگره و شاخص برداشت بودند. نتایج آزمایش نشان داد که اثر رقم بر عملکرد دانه و عملکرد روغن در سطح احتمال 1% و بر عملکرد بیولوژیکدر سطح احتمال 5% معنی‎دار بود. مقایسه میانگین‎ها نشان داد که بالاترین عملکرد دانه و عملکرد بیولوژیک مربوط به رقم L17 به ترتیب با میانگین 9/2130 و 3/2452 کیلوگرم در هکتار بود. اثر اصلی سطوح مختلف محلول‎پاشی سولفات روی و رقم و اثر متقابل آن‎ها در سطح احتمال 1% بر درصد روغن دانه معنی‎دار بود و آن را کاهش داد. اثر اصلی سطوح مختلف محلول‎پاشی سولفات روی و رقم و هم‎چنین اثر متقابل آن‎ها بر هیچ یک از صفات قطر ساقه، تعداد گره در ساقه اصلی، متوسط طول میانگره و شاخص برداشت معنی‎دار نشد. با توجه به نتایج این تحقیق، محلول‎پاشی روی تأثیر معنی‎داری بر عملکرد دانه ارقام سویا نداشته است.

کلیدواژه‌ها

عنوان مقاله [English]

Effect of foliar application of zinc sulphate on quantitative and qualitative traits of soybean in Khorramabad region, Iran

نویسندگان [English]

  • Samira Adeli 1
  • Ali Khorgami 2
  • Masoud Rafiee 3
1 M.Sc. Student in Agronomy, Khorramabad Branch, Islamic Azad University, Iran.
2 Assistant Professor, Faculty of Agriculture, Khorramabad Branch, Islamic Azad University, Khorramabad, Iran.
3 Assistant Professor, Agricultural Research Center of Khorramabad, Iran.
چکیده [English]

Effect of spraying zinc sulphate (ZnSo4) on yield and yield components of three soybean varieties wasstudied. A factorial experiment based on a randomized complete block design with four replications was carried out at the Islamic Azad University Research Farm, Khorramabad region, in 2009. Factors were three varieties of soybean named, m7, m9, L17 and zinc sulphate solution spray at three levels of 0, 0.002 and 0.004 kg/l that applied at flowering and pod stages. Characteristics like seed yield, biological yield, oil percentage, oil yield, number of nodes per stem, average length of mid-node and harvest index were measured. The results showed that genotypes had a significant effect (p≤0.01) on seed yield, oil yield and biological yield (p≤0.05). Comparison of means (using Duncan's multiple range test) indicated that the highest seed yield (2130.9 kg /ha) and biological yield (2452.3 kg/ha) were obtained for the variety L17. The effect of different levels of ZnSo4 spraying and their interaction with variety showed significant differences (p≤0.05) on oil percentage and its value was reduced. The main effect of zinc sulphate spraying, variety and their interactions were not significant for the traits like stem diameter, number of nodes per stem, average length of mid-node and harvest index. Indeed, application of zinc sulphate solution on seed yield was not statistically significant.

کلیدواژه‌ها [English]

  • Foliar application
  • soybean
  • zinc sulphate
  • yield

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