تأثیر هیدروپرایمینگ بذر و روش کاشت بر عملکرد و اجزای عملکرد ذرت در شرایط کم‏ آبیاری

نویسندگان

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

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

چکیده

به‌منظور بررسی تأثیر هیدروپرایمینگ بذر، روش کاشت و کم‏آبیاری بر عملکرد ذرت سینگل کراس 704، آزمایشی به‌صورت فاکتوریل بر پایه طرح بلوک‌های کامل تصادفی با سه تکرار طی سال‌های 95-1394 در ایستگاه تحقیقات کشاورزی اسلام‌آباد غرب اجرا شد. فاکتورهای آزمایشی شامل پرایمینگ بذر در دو سطح (بدون پرایم و هیدروپرایمینگ) و روش کاشت در دو سطح (روی پشته و در کف جوی) در سه محیط آبیاری (تأمین 100، 85 و 70 درصد نیاز آبی گیاه) بود. نتایج تجزیه واریانس نشان داد که اثر سال، رژیم آبیاری و پرایمینگ بذر بر عملکرد دانه در سطح احتمال یک درصد معنی‌دار بود در حالی که اثر روش کاشت معنی‌دار نبود. اثر متقابل رژیم آبیاری × پرایمینگ بذر × روش کشت بر عملکرد دانه در سطح احتمال پنج درصد معنی‌دار بود و بالاترین مقدار این صفت (289/13 تن در هکتار) با هیدروپرایمینگ بذر و کشت در کف جوی و تأمین 100 درصد نیاز آبی گیاه به دست آمد. عملکرد دانه در تیمار هیدروپرایمینگ بذر 973/10 تن در هکتار بود (در حدود 650 کیلوگرم در هکتار بیشتر از تیمار بدون پرایم). با توجه به نتایج به دست آمده توصیه می‌شود کشاورزان با انجام هیدروپرایمینگ بذر و کشت در کف جوی، عملکرد دانه ذرت را افزایش دهند.

کلیدواژه‌ها

عنوان مقاله [English]

Effects of Seed Hydropriming and Planting Method on Yield and Yield Components of Corn under Deficit Irrigation Conditions

نویسندگان [English]

  • F. Sadeghi 1
  • M. Norouzi 2
  • A. Lotfi 2
  • R. Jalilian 2
1 Seed and Plant Improvement Research Department, Kermanshah Agricultural and Natural Resources Research and Education Center, AREEO, Kermanshah, Iran
2 Seed and Plant Improvement Research Department, Kermanshah Agricultural and Natural Resources Research and Education Center, AREEO, Kermanshah, Iran
چکیده [English]

To evaluate the effect of seed hydropriming, planting method and deficit irrigation on the yield of corn (cv. KSC 704), an experiment was conducted in a factorial based on a randomized complete block design (RCBD) with three replications during 2015–16 at the Agricultural Research Station of Islamabad, Kermanshah, Iran. The experimental factors consisted of seed priming in two levels (no primed and hydropriming) and planting methods in two levels (on-ridge and in-furrow) in three irrigation environments (supplying 100, 85 and 70% of the crop water requirement). The results of the analysis of variance showed that the effects of year, irrigation and seed priming on grain yield were significant (p≤0.01), whereas the effect of planting method was not significant. Interaction of irrigation regime × seed priming × cultivar on grain yield was significant (p≤0.05) and the highest value of this trait (13.289 t ha-1) was obtained by seed hydropriming and planting in-furrow and supplying 100% of the crop water requirement. Grain yield in seed hydropriming treatment was 10.973 t ha-1 (about 650 kg ha-1 more than no primed treatment). According to the results, it is recommended that farmers increase grain yield of corn by seed hydropriming and in-furrow planting.

کلیدواژه‌ها [English]

  • Corn
  • Irrigation regime
  • Seed priming
  • In-furrow planting
  • Grain yield

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به زراعی نهال و بذر
دوره 34، شماره 1
خرداد 1397
صفحه 53-71

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