اثر کم‌آبیاری بر خواص کمی و کیفی میوه زیتون (رقم زرد) در استان کرمانشاه

نوع مقاله: مقاله پژوهشی

نویسندگان

1 استادیار، بخش تحقیقات علوم زراعی و باغی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی کرمانشاه، سازمان تحقیقات، آموزش و ترویج کشاورزی،

2 مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان کرمانشاه، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرمانشاه، ایران

چکیده

به منظور بررسی اثر کم‌آبیاری بر صفات کمی وکیفی میوه زیتون (رقم زرد)، آزمایشی با پنج تیمار در قالب طرح بلوک‌های کامل تصادفی با سه تکرار طی سال‌های 96-1395 در منطقه جوانمیری (غرب استان کرمانشاه) اجرا شد. تیمارها شامل پنج رژیم آبیاری بود: آبیاری کامل (شاهد)؛ عدم آبیاری در طول مدت سخت شدن هسته و آبیاری کامل در سایر مراحل؛ آبیاری در سه مرحله (قبل از گلدهی، شروع سخت شدن هسته و یک هفته قبل از برداشت محصول)؛ آبیاری به میزان 60 درصد نیاز آبی و بدون آبیاری درشرایط دیم. در این مطالعه صفات وزن، طول و قطر میوه، وزن هسته، وزن گوشت، نسبت گوشت به هسته، درصد رطوبت میوه، عملکرد میوه و راندمان مصرف آب اندازه گیری شد. نتایج نشان داد که تاثیر رژیم آبیاری و اثر متقابل رژیم آبیاری در سال بر وزن و اندازه میوه، وزن گوشت و عملکرد میوه معنی‌دار بود. عدم آبیاری در طول مدت سخت شدن هسته صفات عملکرد، وزن و اندازه میوه و همچنین وزن گوشت را افزایش داد. کمترین عملکرد، وزن و اندازه میوه و وزن گوشت میوه در شرایط دیم مشاهده شد. بالاترین راندمان مصرف آب (51/5 کیلوگرم بر مترمکعب) با آبیاری در سه مرحله (قبل از گلدهی، شروع سخت شدن هسته و یک هفته قبل از برداشت محصول) به دست آمد.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of Deficit Irrigation on Quantitative and Qualitative Characteristics of Olive Fruit (Zard Cultivar) in Kermanshah Province

نویسندگان [English]

  • rahmatollah gholami 1
  • I. Arji 2
1 Crop and Horticultural Science Research Department, Kermanshah Agricultural and Natural Resources Research and Education Center, AREEO, Kermanshah, Iran.
2 Crop and Horticultural Science Research Department, Kermanshah Agricultural and Natural Resources Research and Education Center, AREEO, Kermanshah, Iran
چکیده [English]

To study the effect of deficit irrigation on quantitative and qualitative characteristics of olive fruit (Zard cultivar), an experiment was conducted with five treatments based on a randomized complete block design (RCBD), with three replications during 2016–17 in Javanmiri region (west of Kermanshah province). Treatments consisted of five irrigation regimes: Full irrigation (control); non-irrigation during pit hardening and full irrigation in other stages; irrigation in three stages (before flowering, the start of pit hardening and a week before harvesting); irrigation for 60% of the water requirement and no irrigation (rainfed). In this study, traits of fruit weight, length and diameter, pit weight, flesh weight, flesh to pit ratio, fruit moisture percent, fruit yield and water use efficiency were measured. The results showed that the effect of irrigation regime and interaction of irrigation regime and year on fruit weight and size, flesh weight and fruit yield were significant. Non-irrigation during pit hardening increased the yield, weight and size of fruit, as well as flesh weight. The lowest yield, weight and size of fruit, and flesh weight were observed in rainfed conditions. The highest water use efficiency (5.51 Kgm-3) was obtained by irrigation in three stages (before flowering, the start of pit hardening and a week before harvesting).

کلیدواژه‌ها [English]

  • Olive
  • Irrigation regime
  • Water use efficiency
  • fruit weight
  • yield

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