1گروه زیست‌شناسی، دانشکده علوم، دانشگاه ایلام، ایران
2گروه زیست‌شناسی، دانشگاه پیام نور ایلام، ایران
3گروه زیست‌شناسی، دانشکده علوم، دانشگاه ملایر، ایران
4گروه زراعت، دانشکده کشاورزی، دانشگاه ملایر، ایران
چکیده
قارچ میکوریزای Piriformospora indica از طریق جذب آب و مواد معدنی باعث تحریک رشد و افزایش زیست توده گیاهان میزبان میشود. بهمنظور بررسی اثر قارچ میکوریزای P. indica بر روی رشد و برخی شاخصهای فیزیولوژیکی گیاه گشنیز، طرحی در قالب بلوک کامل تصادفی با تیمار گیاهان تلقیح شده با قارچ و گیاهان شاهد با 15 تکرار در سال 1394 در شرایط گلخانه انجام شد. نتایج نشان داد که طول اندام هوایی، طول ریشه و وزن خشک گیاه در گیاهان تلقیح شده با قارچ به طور معنیداری بیشتر از گیاهان شاهد بود. نتایج حاصل از تجزیه واریانس دادهها نشان داد که کاربرد قارچ میکوریزای P. indica سبب افزایش محتوای پرولین شده، بهطوریکه میزان پرولین در گیاهان تلقیح شده با قارچ میکوریز 09/2 برابر گیاهان شاهد بود. نتایج بهدست آمده از این تحقیق نشان داد که تلقیح گیاه با قارچ میکوریز سبب افزایش میزان رنگیزههای کلروفیل a، کلروفیل b و کاروتنوئیدها نسبت به گیاه شاهد شد و این میزان افزایش تنها در کلروفیل b و کاروتنوئیدها در سطح احتمال 5 درصد معنیدار بود. به هر حال، نتایج نشان دادند که همزیستی میکوریزایی سبب افزایش رشد و بهبود خصوصیات فیزیولوژیک گیاه گشنیز گشت.
The effect of Piriformospora indica mycorrhizal fungi on growth and some physiological parameters of Coriandrum sativum
نویسندگان [English]
Ali Asghar Hatamnia1؛ Kobra Mosabaigi2؛ Mahin Tohidi2؛ Arash Babaei3؛ Mehdi Ghabooli4
1Department of Biology, Faculty of Science, Ilam University, Ilam, Iran
2Department of Biology, Faculty of Science, Payame Noor University, Ilam, Iran
3Department of Biology, Faculty of Science, Malayer University, Malayer, Iran
4Department of Agronomy, Faculty of Agriculture, Malayer University, Malayer, Iran
چکیده [English]
Piriformospora indica fungi stimulates the growth and increase in the host biomass through absorption of water and minerals. In order to evaluate the effect of mycorrhizal fungus P. indica on growth and some physiological parameters of Coriandrum sativum, an experiment was conducted in a randomized complete block design through treatment of plants inoculated with mycorrhizal fungi and control plants with 15 replications in 2015 under greenhouse conditions.The results of ANOVA indicated that the shoot length, root length, and dry weight of plants inoculated with fungi were significantly higher than control plants. Also results of analysis of variance showed that the application of P. indica increased the proline content, so that the proline content in the plants inoculated with mycorrhizal fungi was 2.09 times higher than control plants. In addition, the findings of the study suggested that inoculation of the plant with P. indica increased the contents of chlorophyll a (17%), chlorophyll b (51%), and carotenoids (25%) in comparison with the control plant, where the increase was only significant in chlorophyll b and carotenoids (P≤0.05). Generally, the results indicated that mycorrhizal symbiosis increased the growth and improved the physiological characteristics of coriander.
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