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تأثیر باکتری های محرک رشد گیاه بر جوانه زنی و رشد اولیه گیاه دارویی بادرشبو (Dracocephalum moldavica L.) | ||
| علوم و فناوری بذر ایران | ||
| مقاله 14، دوره 6، شماره 2 - شماره پیاپی 12، آبان 1396، صفحه 171-183 اصل مقاله (1.06 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ijsst.2018.116594 | ||
| نویسندگان | ||
| وفا طرفی1؛ عبدالرزاق دانش شهرکی* 2؛ کرامت الله سعیدی2؛ محسن مبینی دهکردی3؛ پژمان طهماسبی3 | ||
| 1دانشجوی کارشناسی ارشد علوم و تکنولوژی بذر/ پژوهشکده زیست فناوری، دانشگاه شهرکرد، شهرکرد، ایران. | ||
| 2استادیار/گروه مهندسی زراعت و گروه علوم باغبانی، دانشگاه شهرکرد، شهرکرد، ایران. | ||
| 3استادیار/ گروه ژنتیک و گروه منابع طبیعی، دانشگاه شهرکرد، شهرکرد، ایران. | ||
| چکیده | ||
| به منظور بررسی اثر باکتری های محرک رشد گیاه بر جوانه زنی و رشد اولیه گیاه دارویی بادرشبو (Darcocephalum moldavica L.)، آزمایشی در قالب طرح کاملاٌ تصادفی در آزمایشگاه زراعت دانشگاه شهرکرد انجام شد. تیمارهای مورد آزمایش شامل شاهد (عدم تلقیح باکتریایی)، تلقیح با باکتریهای Rhodococcus sp.، Corynebacterium sp.، Mycobacterium sp.، Bacillus sp.، Azotobacter sp.، Pseudomonasputida، Pseudomonas fluorescensو تلقیح با مخلوطی از باکتری ها میباشند. نتایج نشان داد تیمارهای تلقیح باکتریایی اثر معنی داری بر درصد جوانه زنی، سرعت جوانه زنی، متوسط زمان جوانه زنی، ضریب سرعت جوانه زنی، زمان تا 50 درصد جوانه زنی، طول و وزن ریشه چه، ساقه چه و گیاهچه، ضریب آلومتری و شاخص ویگور در سطح احتمال یک درصد داشتند. تیمار تلقیح باکتریایی Bacillus sp. بیشترین تأثیر را بر صفات متوسط زمان جوانه زنی، ضریب سرعت جوانه زنی، زمان تا 50 درصد جوانه زنی، طول و وزن ریشه چه، ساقه چه وگیاهچه، ضریب آلومتری و شاخص ویگور داشت و تیمار تلقیح باکتریایی Rhodococcus sp. بر صفت سرعت جوانه زنی و تیمار تلقیح باکتریایی Pseudomonasfluorescens بر صفت درصد جوانه زنی بیشترین تأثیر را داشتند. در مجموع نتایج نشان داد که کاربرد تیمارهای تلقیح باکتریایی به صورت بیوپرایمینگ میتوانند شاخصهای جوانه زنی و رشد اولیه گیاه دارویی بادرشبو را بهبود بخشد. | ||
| کلیدواژه‌ها | ||
| بیوپرایمینگ؛ Bacillus sp؛ Rhodococcus sp؛ Mycobactrium sp؛ جوانه زنی؛ بادرشبو | ||
| عنوان مقاله [English] | ||
| The effect of plant growth promoting rhizobacteria on germination and primary growth of Moldavian dragonhead (Dracocephalum moldavica L.) | ||
| نویسندگان [English] | ||
| V. Torfi1؛ A. Danesh-Shahraki2؛ K. Saeidi2؛ M. Mobini-Dehkordi3؛ P. Tahmasebi3 | ||
| 1Msc Student in Seed Science and Technology/Institute of Biotechnology, Shahrekord University, Shahrekord, Iran. | ||
| 2Assistant Professor/ Department of Agronomy and Department of Horticulture, Shahrekord Univ., Shahrekord, Iran. | ||
| 3Assistant Professor/ Department of Genetics and Department of Range and Watershed Management/ Shahrekord University, Shahrekord, Iran. | ||
| چکیده [English] | ||
| In order to evaluation the effect of plant growth promoting rhizobacteria on germination and primary growth of Darcocephalum moldavica L. an experiment in completely randomized design was conducted in the laboratory of agronomy science of Shahrekord University. Treatments were included control (no bacterial inoculation), inoculated with Rhodococcus sp., Corynebacterium sp., Mycobacterium sp., Bacillus sp., Azotobacter sp., Pseudomonas putida and Pseudomonas fluorescens bacteria and inoculated with a mixture of all bacteria. Results showed that a significantly effect of bacterial treatments on germination percentage, germination rate, mean germination time, germination rate index, half maximal activation level (T50), length and radical weight, shoot and seedling, vigor index and Allometric coecifficient at 1% probability level. Bacillus sp. bacterial inoculation treatment had the most influence on mean germination time, germination rate index, half maximal activation level (T50), length and radical weight, shoot and seedling, and vigor index traits. Bacteria incubation treatment of Rhodococcus sp. and Pseudomonasfluorescence hadthe most effect on germination speed and germination percentage, respectively. The results showed that bacterial inoculation treatments as biopriming can improve the germination and primary growth indices of D. moldavica herb. | ||
| کلیدواژه‌ها [English] | ||
| Biopriming, Bacillus sp, Rhodococcus sp, Mycobactrium sp, germination, Dracocephalum moldavica L | ||
| مراجع | ||
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