اثر تنش خشکی و متانول بر درصد و عملکرد روغن، درصد و عملکرد پروتئین و عملکرد دانه سویا رقم (ویلیامز)

محورهای موضوعی : توليد محصولات زراعي

تاریخ دریافت : 1389/09/23 تاریخ پذیرش : 1391/02/15 تاریخ انتشار : 1391/05/22

کلید واژه: تنش خشکی, درصد و عملکرد پروتئین, درصد و عملکرد روغن, سویا, متانول.,

چکیده مقاله :

به منظور بررسي تاثير محلول¬پاشي متانول و تنش خشکی بر گیاه سویا (ویلیامز) آزمايشي به¬صورت کرت¬های خردشده با طرح پايه بلوكهاي كامل تصادفي در 4 تكرار در ارديبهشت سال 1388 در مزرعه تحقیقاتی دانشگاه آزاد اسلامي واحد كرج واقع در ماهدشت كرج به اجراء درآمد. فاكتور آبياري با سه سطح (آبیاری پس از 40%، 60% و70% تخلیه رطوبتی قابل دسترس) و فاكتور محلول¬پاشي متانول با 4 سطح (بدون محلول¬پاشي، 14، 21 و 28 درصد حجمي متانول) بود كه به هر كدام از سطوح 2 گرم در ليتر گليسين اضافه شد. محلول¬پاشي 3 بار طي فصل رشد گياه و با فواصل 14 روزه روي گياهان اسپري شد و صفات: عملكرد دانه، عملكرد و درصد روغن، عملکرد و درصد پروتئین مورد بررسی قرار گرفتند. نتایج تجزیه واریانس اختلاف معنی¬داری را بین سطوح آبیاری، سطوح محلول¬پاشی متانول و اثرات متقابل نشان داد. بطوری¬که تیمار T1M3(40% تخلیه رطوبتی و 21% حجمی محلول¬پاشی متانول) با 5/2890 کیلوگرم در هکتار بیشترین و تیمار T3M1 (75% تخلیه رطوبتی و بدون محلول¬پاشی متانول) با 5/1384 کیلوگرم در هکتار کمترین عملکرد دانه را داشت. بیشترین عملکرد پروتئین و روغن به ترتیب با 11/1112 و 06/639 کیلوگرم در هکتار مربوط به تیمار T1M3 و کمترین عملکرد پروتئین و روغن به ترتیب با 59/473 و 88/262 کیلوگرم در هکتار مربوط به تیمار T3M1 بود.

چکیده انگلیسی:

Field experiment was conducted to study the interaction methanol foliar application and drought stress on soybean yield in 2008 in Maahdasht (Karaj, Iran). Three levels of irrigation (after 40, 60 and 70% depletion of available water) and 4 doses of methanol (0, 14, 21 and 28% of percentage volume of methanol to 0.2% glycine in each solution factor in a split plot arrange of treatment with four replication. 3 times spray was applied by time period of 14 days on plants foliage. Grain yield, oil and protein percentage were measured. Results of the experiment indicated that there was a significant difference between irrigation levels, methanol doses and interaction effects. Treatment of T1M3 (40% available water and 21% of methanol) had the highest yield with the 2890.5 kg/ha grain. Treatment T3M1 (70% available water and 14% of methanol) with 1384.5 kg/ha grain was at the least of yield level. The most protein and oil yield with 1112.11 and 639.06 kg/ha was for treatment of T1M3 and least protein and oil yield with 473.59 and 262.88 kg/ha was for treatment T3M1.

منابع و مأخذ:


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