The effects of pine wood vinegar on the germination, growth and photosynthetic characteristics of cucumber

Document Type: Research Paper

Authors

Department of Horticulture, College of Agriculture, Isfahan University of Technology, Isfahan I. R. Iran

10.22099/iar.2020.31134.1305

Abstract

Wood vinegar is a substance, derived from cooling black carbon fire, which could be used instead of chemical materials in the agriculture industry as an organic compound. In order to study the effectiveness of pine wood vinegar on physiological and photosynthesis traits of cucumber, two experiments were conducted based on a completely randomized design with six treatments including 0, 1250, 2000, 2500, 3333 and 5000 mgL-1 of wood vinegar with four replications. The first experiment was designed in the laboratory in order to study the effect of pine wood vinegar priming on cucumber seeds and the second one was conducted in a greenhouse condition to investigate the effect of wood vinegar on seedlings of cucumber in Isfahan University of Technology. The highest flower number and yield in cucumber was observed in 2500 mgL-1 pine wood vinegar trearment. Photosynthesis in cucumber increased in 2000 mgL-1 pine wood vinegar trearment. The lowest transpiration in cucumber was 1.54 mmolm–2s–1 in 2000 mgL-1 pine wood vinegar treatment. 1250 mgL-1 wood vinegar treatment increased germination percentage and speeded up the germination process compare to control. The highest root length, volume and surface were observed at 1250 mgL-1 treatment. The concentration of nitrogen (5.5% DW) in the treatment of 3333 mgL-1 Pine wood vinegar, the potassium concentration in the treatment of 5000 mgL-1 and calcium and iron concentrattions in the treatment of 1250 mgL-1 were at the highest levels compared to other treatments. The highest amount of chlorophyll and photosynthesis was observed at 2000 mgL-1 treatment. The wood vinegar with 2500 mgL-1 pine wood vinegar concentration showed the highest flower and fruit yield in cucumber, but the best quality of fruit was produced by 2000 mgL-1 treatment.

Keywords


Article Title [Persian]

تاثیرات سرکه چوب کاج بر جوانه‌زنی، رشد و ویژگی‌های فتوسنتزی خیار

Authors [Persian]

  • بهزاد عبداللهی پور
  • مریم حقیقی
گروه باغبانی، دانشکده کشاورزی، دانشگاه صنعتی اصفهان، اصفهان ، ج. ا. ایران
Abstract [Persian]

سرکه چوب یک ماده مشتق شده از سوختن کربن سیاه است که می­تواند جایگزین مواد شیمیایی در صنعت کشاورزی به­عنوان یک ترکیب آلی گردد. به­منظور مطالعه اثر کارآیی سرکه چوب کاج بر ویژگی­های فیزیولوژیکی و فتوسنتزی خیار دو آزمایش براساس طرح کاملا تصادفی با شش تیمار شامل 1250، 2000، 2500، 3333 و 5000 میلی­گرم در لیتر سرکه چوب با چهار تکرار انجام شد. اولین آزمایش در آزمایشگاه به­منظور بررسی تاثیرات اولیه سرکه چوب بر روی بذر خیار (Cucumis sativus var. Super daminos) انجام شد و آزمایش دوم اثر سرکه چوب بر رشد گیاه خیار در گلخانه­های تحقیقاتی دانشگاه صنعتی اصفهان انجام شد. بیشترین تعداد گل و عملکرد در خیار در تیمار 2500 میلی­گرم در لیتر سرکه چوب مشاهده شد. فتوسنتز در خیار در تیمار 2000 میلی­گرم در لیتر افزایش یافت. کمترین میزان تعرق  (54/1 میلی­مول برمترمربع بر ثانیه) در خیار در تیمار 2000 میلی گرم در لیتر سرکه چوب بدست امد. سرکه چوب 1250 میلی‌گرم در لیتر باعث افزایش درصد جوانه­زنی و سرعت جوانه زنی آن در مقایسه با شاهد شد.  بیشترین طول ریشه، حجم و سطح در تیمار 1250 میلی­گرم بر لیتر مشاهده شد. غلظت نیتروژن (5/5 درصد وزن خشک) در تیمار 3333 میلی­گرم در لیتر و غلظت پتاسیم در غلظت 5000 میلی‌گرم در لیتر، کلسیم و آهن در غلظت 1250 میلی­گرم در لیتر در بالاترین سطح در مقایسه با سایر تیمارها بود. بیشترین مقدار کلروفیل و فتوسنتز در تیمار 2000 میلی‌گرم در لیتر مشاهده شد. تیمار 2500 میلی­گرم در لیتر در خیار بیشترین عملکرد گل و میوه را نشان داد، اما بهترین و بالاترین کیفیت میوه با 2000 میلی­گرم در لیتر حاصل شد.

Keywords [Persian]

  • خیار
  • گلدهی
  • میوه
  • غلظت عناصر
  • عملکرد
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