اثر محلول پاشی متانول بر عملکرد و اجزای عملکرد سویا (Glycine max L.)

نوع مقاله : علمی - پژوهشی

نویسندگان

چکیده

به منظور بررسی اثر متانول بر رشد و نمو و اجزای عملکرد سویا (Glycine max L. var. L 17)، آزمایشی با استفاده از طرح بلوک های کامل تصادفی در سه تکرار در سال زراعی 87-1386 در مزرعه پژوهشی دانشگاه آزاد کرج اجرا شد. در این آزمایش تیمار شاهد (M0، بدون مصرف متانول) و محلولهای 7(M1) ، 14(M2)، 21(M3) ، 28(M4) و35 (M5) درصد حجمی، سه بار در فصل رشد با فواصل 15 روز یکبار بر روی قسمت های هوایی بوته های سویا محلول پاشی شدند. صفات اندازه گیری شده شامل عملکرد دانه، ارتفاع بوته، سطح برگ، تعداد شاخه فرعی، وزن خشک کل بوته، درصد روغن و پروتئین دانه، بیوماس کل و اجزای عملکرد بود. نتایج نشان داد که بین تیمارهای مختلف در سطح احتمال 5 درصد تفاوت معنی دار وجود داشت. مقایسه میانگین خصوصیات مورد بررسی نشان داد که اثر سطوح محلول های 14 (M2) و 21(M3) درصد حجمی متانول بر صفات مورد ارزیابی بیشتر از سایر تیمارها بود و کاربرد متانول در تیمارهای 14 و21 درصد حجمی به ترتیب موجب 8/16درصد و 2/40 درصد افزایش عملکرد نسبت به تیمار شاهد شد. محلول پاشی متانول باعث افزایش عملکرد، ارتفاع، وزن هزار دانه، تعداد غلاف پر شده، سطح برگ و بیوماس گردید.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of methanol spraying on yield and yield components of soybean (Glycine max L.)

نویسندگان [English]

  • M. Mirakhori
  • F. Paknejad
  • M.R. Ardakani
  • F. Moradi
  • P. Nazeri
  • M. Nasri
چکیده [English]

In order to evaluate the application of methanol on yield and yield components of soybean (Glycine max L., var. L 17) in field conditions, experiments were conducted based on a randomized complete block design with three replications at the Field Research from Faculty of Agricultural of Islamic Azad University Karaj, Iran, during 2008. Sprayed aqueous solutions were zero (control), 7, 14, 21, 28 and 35% (v/v) methanol by there times during growth season of soybean with 15 days intervals on shoot of soybean. In this study soybean grain yield, biomass HI, 1000 grain weigh, height plants, number of branch, diameter of stem, number of pod on plant, number of hollow pod were measured. Results of the experiment indicated that there are significant differences (p>0.05) between sprayed of solution methanol on all parameters. Results also showed the effect of aqueous solution 14, 21 and 28% (v/v) methanol on measured parameters was greater than other treatments. Foliar application of 14% and 21%, (v/v) methanol increased leaf area index, crop growth rate, pod growth rate, leaf area duration, pod yield, seed yield, weight of 1000 kernel, mature pods per plants. The lowest grain yield obtained in control plots and 35% (v/v) methanol treatments.

کلیدواژه‌ها [English]

  • C3 Plant
  • Crop
  • Leaf Area Index
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