اثر پرایمینگ بذر و نشاکاری بر برخی ویژگی‌های مورفولوژیک، عملکرد قند و اجزای عملکرد چغندرقند (Beta vulgaris)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد گروه زراعت و اصلاح نباتات، واحد مهاباد، دانشگاه آزاد اسلامی، مهاباد، ایران

2 استادیار گروه زراعت و اصلاح نباتات، واحد مهاباد، دانشگاه آزاد اسلامی، مهاباد، ایران

چکیده

به­منظور بررسی اثر پرایمینگ بذر و سیستم کشت بر برخی خصوصیات کمی و کیفی چغندرقند، آزمایشی در سال زراعی 97-1396 در مزرعه­ای واقع در شهرستان نقده استان آذربایجان غربی انجام گرفت. آزمایش به­صورت کرت­های خردشده در قالب طرح بلوک­های کامل تصادفی در چهار تکرار بود. نوع روش کاشت (مستقیم و انتقال نشاء) در کرت­های اصلی و پرایمینگ )اسید سالیسیلیک، جیبرلیک اسید، هیدروپرایمینگ و شاهد (عدم پرایمینگ) در کرت­های فرعی قرار گرفت. نتایج نشان داد اثر سیستم کاشت بر مقدار سدیم ریشه، آلکالیته، درصد قند خالص، ضریب استحصال، وزن خشک اندام هوایی، عملکرد قند خالص و درصد قند ملاس معنی­دار بود. اثر پرایمینگ بر کلیه صفات مورد بررسی معنی­دار بود. اثر متقابل دو تیمار نیز بر پتاسیم ریشه، درصد قند ناخالص، درصد قند خالص، ضریب استحصال قند، وزن خشک اندام­های هوایی، عملکرد ریشه، عملکرد قند خالص و درصد قند ملاس معنی­دار بود. در این بررسی کم­ترین محتوی سدیم ریشه، آلکالیته ریشه، به سیستم کشت نشاکاری اختصاص داشت، همچنین بالاترین شاخص کلروفیل و کم­ترین نیتروژن مضر، به تیمار هیدروپرایمینگ اختصاص یافت. بالاترین درصد قند ناخالص، درصد قند خالص، درصد استحصال قند، وزن خشک اندام هوایی، عملکرد ریشه، عملکرد قند ناخالص و عملکرد قند خالص و کم­ترین مقدار پتاسیم ریشه و درصد قند ملاس به سیستم کاشت نشاکاری همراه با تیمار هیدروپرایمینگ اختصاص داشت.

کلیدواژه‌ها


عنوان مقاله [English]

Study effect of seed priming and transplantation on some morphological characteristics, sugar yield and yield components of sugar beet

نویسندگان [English]

  • Nasser Khoshnejad 1
  • Touraj Mir Mahmoodi 2
1 Ms.c. Student, Department of Agronomy and Plant Breeding, Mahabad Branch, Islamic Azad University, Mahabad, Iran
2 Assistant Prof., Department of Agronomy and Plant Breeding, Mahabad Branch, Islamic Azad University, Mahabad, Iran
چکیده [English]

In order to study effect of seed priming and transplantation on quantitative and qualitative characteristics of sugar beet, an experiment was conducted on a farm land in Naghadeh-Western Azerbaijan at 2018 growing season. The experiment design was split plot based on randomized complete block with four replications. Type of planting method (direct and transplant system) assigned to main plots, and priming (salicylic acid, gibberellic acid, hydroperiming and control (non-priming) assigned to sub plots. The results showed that the effect of planting system was significant on the amount of root sodium, alkalinity, sugar content, coefficient of sugar extraction, shoot dry weight, white sugar yield and molasses sugar content. The effect of priming on all studied traits was significant. Interaction of two treatments was also significant on root potassium, sugar content, white sugar content, sugar extraction coefficient, shoot dry weight, root yield, white sugar yield and molasses sugar content. In this study, the lowest root sodium content (3.02 ppm), root alkalinity (3.09%) were assigned to transplanting system, also the highest chlorophyll index (36.17%) and the least nitrogen (1.92%), alkalinity percentage was recorded for  Hydro priming treatment (3.24%).The results showed that the highest sugar content  (18.17%), white sugar content (16.14%), sugar extraction (88.96%), shoot dry weight (3.64 kg / ha), root yield ( 82.17t/h), sugar yield (14.89 t/ha) and pure sugar yield (12.24%) and lowest root potassium content (2.52 ppm) were allocated to transplanting system with hydropriming treatment.

کلیدواژه‌ها [English]

  • Chlorophyll index
  • Hydro priming
  • Salicylic acid
  • Transplant systems
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