تاثیر محلول پاشی به کمک محرک رشد پلی آمین، بر و مولیبدن قبل از گلدهی بر عملکرد و شاخص های رشد گلرنگ
محورهای موضوعی : یافته های نوین کشاورزیپریسا عرب پوریانی 1 , حمید مدنی 2 , جعفر مسعود سینکی 3
1 - دانشجوی کارشناسی ارشد،گروه تولیدات گیاهی دانشگاه آزاد اسلامی واحد دامغان، دامغان،ایران.
2 - گروه زراعت، دانشگاه آزاد اسلامی واحد اراک، اراک، ایران
3 - گروه کشاورزی، دانشگاه آزاد اسلامی واحد دامغان، دامغان، ایران
کلید واژه: همبستگی, گلرنگ, شاخص برداشت, محلول پاشی,
چکیده مقاله :
به منظور مطالعه تاثیر محلول پاشی با محرک های رشد پلی آمین، بر و مولیبدن بر عملکرد و شاخص های رشد در دو رقم گلرنگ زراعی در قالب آزمایش فاکتوریل با طرح بلوک های کامل تصادفی در چهار تکرار در سال زراعی91-90 شهرستان دامغان اجرا شد. تیمار های آزمایش شامل شاهد (بدون محلول پاشی)، محلول پاشی قبل گلدهی(مرحله رویشی) و ارقام مورد آزمایش محلی اصفهان و پدیده بود. صفات مورد ارزیابی شامل درصد روغن، وزن هزار دانه، ارتفاع بوته، قطر بوته، شاخص برداشت و تعداد طبق در بوته بود. وجود اثر متقابل معنی دار بین میانگین سطوح رقم و محلول پاشی قبل از گلدهی در مورد صفت ارتفاع در رقم پدیده (سانتی متر75/74) و در رقم محلی اصفهان (سانتی متر68) بود که نشان داد رفتار ارقام به سطوح محلول پاشی متفاوت می باشد. طورکلی میانگین محلول پاشی قبل از گلدهی در روغن دانه (%29/39)، تعداد طبق در بوته (23/29)، ارتفاع بوته (سانتی متر90/30) و قطر ساقه (میلی متر05/45) نسبت به شاهد بهبود داشت. در این آزمایش میانگین رقم محلی اصفهان در روغن دانه(%56/11)،تعداد طبق در بوته(46/33)،شاخص برداشت(%64/27) وارتفاع بوته (سانتی متر50/73) نسبت رقم پدیده برتری داشت. رقم پدیده در وزن هزار دانه (گرم50/32) و قطر ساقه (میلی متر72/12) بالاتراز محلی اصفهان قرار داشت. در این آزمایش اثر همبستگی مثبت و معنی دار بین درصد روغن و صفات ارتفاع بوته و شاخص برداشت اثبات گردید. به طور کلی می توان نتیجه گرفت رقم محلی اصفهان با داشتن بیشترین شاخص های رشد بهتر عمل کرده است.
This research was done to study effect of polyamine, boron and molybdenum growth micronutrients spray on yield and indices of growth in Padideh and Mahali Esfahan Cultivars of Safflowerin a factorial test based on randomized complete block deign with four replications in agricultural year of 2011-2012 in Damghan city. Test treatments included control (without spray) and spray before flowering (vegetative phase) and the tested cultivars were Mahali Esfahan and Padideh. The evaluated traits included percent of oil, Grain Weight (1000 Seeds), plant height, diameter of stem, harvest index, and the number ofcapitols per plant. The presence of significant interaction between mean levels of cultivar and spray before flowering in plant height trait in Padideh cultivar (74.75 cm) and Mahali Esfahan cultivar (68 cm) showed that behavior of cultivars to spray levels was different. Generally, mean of spray before flowering was improved compared to the control sample in grain oil (39.29%), capitols per plant (29.23), plant height (30.90 cm) and diameter of stem (45.05 mm). in this test , mean of Mahali Esfahan cultivar was preferred to Padideh cultivar in grain oil (11.56 %), capitols per plant (33.46), harvest index(27.64%) and plant height (73.50 cm). Padideh cultivar was preferred to Mahali Esfahan cultivar in grain weight (1000 seeds) (32.50 grams) and diameter of stem (12.72 mm). In this test, positive and significant correlation between percent of oil and traits of plant height and harvest index was proved. Generally, one can conclude that Mahali Esfahan cultivar was better with the highest growth index.
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