ارزیابی تأثیر کم آبیاری بر ویژگی‌های ریخت‌شناختی، عملکرد و اجزای عملکرد رقم‌های متفاوت گوجه‌فرنگی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشگاه آزاد اسلامی

2 عضو باشگاه پژوهشگران دانشگاه آزاد اسلامی واحد پارسا آباد، صندوق پستی 53356-56918، پ ارسا آباد، ایران

چکیده

یکی از راهکارها جهت حصول عملکرد مطلوب در شرایط کم‌آبیاری، انتخاب رقم مناسب با توجه به شرایط هر منطقه می‌باشد. براین‌اساس آزمایشی به‌صورت کرت‌های خرد شده بر پایه بلوک‌های کاملا تصادفی در سه تکرار در دشت مغان در سال‌های 1394 و 1395 بر روی گیاه گوجه‌فرنگی اجرا شد. تیمارها شامل آبیاری نرمال، قطع آبیاری در مرحله رشد رویشی، قطع آبیاری در مرحله گلدهی و قطع آبیاری در مرحله رشد میوه‌ها به‌عنوان کرت‌های اصلی و ارقام تجاری گوجه-فرنگی شامل سوپربیتا، 08 (واریته هیبرید پربازده، میوهایی با اندازه متوسط، بازارپسندی مطلوب و مقاومت بالا به شرایط انبارداری) و متین به‌عنوان کرت‌های فرعی بودند. نتایج حاصل از مقایسه میانگین داده‌ها نشان دادند که قطع آبیاری در هر مرحله موجب کاهش رشد، عملکرد و اجزای آن به میزان 11 برابر در تمامی ارقام در مقایسه با تیمار آبیاری نرمال شد. بطوریکه بالاترین میزان عملکرد (46/69 تن در هکتار) و اجزای آن (تعداد میوه در هر بوته: 66/61، وزن متوسط میوه: 220 گرم، قطر میوه: 6/5 سانتی‌متر و بیوماس: 68/73 تن در هکتار) در تیمار آبیاری نرمال مربوط به رقم تجاری 08 و پایین‌ترین مقادیر آنها در زمان قطع آبیاری در مراحل گلدهی و رشد میوه‌ها مربوط به رقم متین می‌باشد. بنابراین بر اساس نتایج تحقیق حاضر در شرایط دشت مغان رقم 08 (با توجه به نتایج حاصل از صفات مربوط به عملکرد، اجزای عملکرد و صفات مورفولوژیک در هر دو شرایط آبیاری نرمال و قطع آبیاری) برترین رقم و رقم متین حساس‌ترین رقم به قطع آبیاری است.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Assessment the effect of water deficit on morphological traits, yield and yield components of different cultivar of tomato

نویسنده [English]

  • ebrahim amiri 1
چکیده [English]

Selecting an appropriate variety considering the conditions of each region is an agricultural solution to achieve a desirable performance of plants in drought stress conditions. For this purpose, an experiment was conducted in a split plot arrangement based on randomized complete block design with three replications in Moghan plain at 2015 and 2016 years. Main-plot was Normal irrigation, cutting irrigation during vegetative growth stage, cutting irrigation during flowering stage and cutting irrigation during growth of fruit. Cultivars included Super Bita, 08 and Matin as a sub-plot. The results of mean comparisons of data demonstrated that cutting irrigation decreased growth and yield of all cultivars as much as 11 items than normal irrigation treatment. Also, the highest yield (69.46 ton per hectare) and yield components (Number fruit per each plant: 61.66, Average fruit weight (gr):220, Fruit diameter: 5.6 cm and Biomass: 73.68 ton per hectare) observed in 08 economic cultivar under normal irrigation and the lowest values for these traits were obtained in Matin cultivar at cutting irrigation in flowering and fruit growth sages. Also, about morphological traits (Plant height, Stem diameter and the number of lateral branches) the lowest values observed in Matin and Super Bita under cutting irrigation during the growth stages. Therefore, 08 was the best variety (According to the results of traits related to yield, yield components and morphological traits in both of normal irrigation and cutting irrigation conditions) and Matin was the most sensitive variety to cutting the irrigation in Moghan Plain.

کلیدواژه‌ها [English]

  • Drought
  • Production
  • Water Crisis
  • Tomato
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