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بررسی شاخص های جوانه زنی بذر لوبیا قرمز تولیدی در شرایط تنش خشکی و محلول پاشی منگنز و روی | ||
| علوم و فناوری بذر ایران | ||
| مقاله 8، دوره 4، شماره 1 - شماره پیاپی 7، فروردین 1394، صفحه 83-96 اصل مقاله (433.49 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| نویسندگان | ||
| مهدی براانی دستجردی1؛ محمد رفیعی الحسینی* 2؛ عبدالرزاق دانش شهرکی3؛ سید مجتبی هاشمی جزی4 | ||
| 1دانش آموخته دوره کارشناسی ارشد گروه مهندسی زراعت، دانشکده کشاورزی، دانشگاه شهرکرد | ||
| 2استادیار گروه مهندسی زراعت، دانشکده کشاورزی، دانشگاه شهرکرد | ||
| 3-استادیار گروه مهندسی زراعت، دانشکده کشاورزی، دانشگاه شهرکرد | ||
| 4مربی پژوهشی، بخش اصلاح بذر و نهال، مرکز تحقیقات کشاورزی و منابع طبیعی شهرکرد | ||
| چکیده | ||
| این آزمایش به صورت اسپلیت فاکتوریل در قالب طرح بلوکهای کامل تصادفی در سه تکرار در سال زراعی 1390 - 1389 در مزرعه تحقیقاتی دانشگاه شهرکرد انجام شد. در این آزمایش تیمارهای آبیاری در سه سطح بدون تنش (آبیاری پس از 50 میلیمتر تبخیر از تشتک کلاس A ،(تنش ملایم و شدید (یه ترتیب آبیاری پس از70 و 90 میلیمتر تبخیر از تشتک کلاس A (به عنوان عامل اصلی و محلولپاشی روی و منگنز هر کدام در سه سطح (محلولپاشی با آب خالص، محلولپاشی 100 و 200 گرم در هکتار روی و محلول پاشی با آب خالص، محلولپاشی 150 و 300 گرم در هکتار منگنز) به صورت فاکتوریل، به عنوان عامل فرعی در نظر گرفته شدند. نتایج نشان داد تنش خشکی اثر معنی داری بر سرعت جوانهزنی، متوسط زمان جوانهزنی، طول و وزن خشک گیاهچه نداشت و سبب افزایش معنیدار درصد جوانهزنی، ضریب سرعت جوانهزنی و شاخص ویگور I و II شد. همچنین محلولپاشی منگنز به میزان 150 گرم در هکتار دارای بیشترین درصد جوانهزنی، سرعت جوانهزنی، ضریب سرعت جوانهزنی، شاخص ویگور I و II و کمترین متوسط زمان جوانه زنی بود. بالاترین میزان سرعت جوانه زنی، طول گیاهچه، وزن خشک گیاهچه، شاخص ویگور Iو IIدر تیمار 100 گرم در هکتار روی بدست آمد | ||
| کلیدواژهها | ||
| سرعت رشد گیاهچه؛ شاخص های جوانه زنی؛ لوبیا قرمز؛ ویگور بذر | ||
| عنوان مقاله [English] | ||
| Evaluation of germination indices of Red Beanseed produced under water stress conditions and foliar application of zinc and manganese | ||
| چکیده [English] | ||
| This experiment was conducted as split factorial in a Randomized Complete Block Design (RCBD) with three replications in the research farm of Shahrekord University during 2010-2011 growing season. In this experiment irrigation treatments in three levels of: non water stress (irrigation after 50 mm evaporation from class A pan), moderate and sever water stress (irrigation after 70 and 90 mm evaporation from class A pan, respectively) were used as main factor, while factorial combination of Zn (spraying with pure water, spraying of 100 and 200 g Zn per hectare) and Mn (spraying with pure water, spraying of 150 and 300 g Mn per hectare) were used as sub-factor. The results showed that drought stress did not have any significant effect on germination rate, mean germination time, seedling length and dry weight while significant increases were obtained on germination percentage, coefficient of velocity of germination and seed vigor indices (I and II). Moreover, Mn foliar application in amount of 150 g per hectare had the highest germination percentage, germination rate, coefficient of velocity of germination,vigor indices (I and II) and the lowest mean germination time. The highest germination rate, seedling length and dry weight and vigor indices (I and II) was obtained for 100 g Zn per hectare | ||
| کلیدواژهها [English] | ||
| Germination indices, Seed vigor, Seedling growth rate, Red bean | ||
| مراجع | ||
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