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تأثیر بیوپرایمینگ با تریکودرما بر جوانهزنی شاخصهای و رویشی گیاهچه های ذرت شیرین، چغندر قند و گندم | ||
| علوم و فناوری بذر ایران | ||
| مقاله 15، دوره 8، شماره 2 - شماره پیاپی 16، بهمن 1398، صفحه 199-210 اصل مقاله (1.04 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ijsst.2018.121197.1182 | ||
| نویسندگان | ||
| زهرا رضالو* 1؛ سمیرا شهبازی2؛ حامد عسکری2 | ||
| 1گروه علوم و تکنولوژی بذر، دانشکده کشاورزی، دانشگاه آزاد اسلامی، واحد کرج | ||
| 2پژوهشکده کشاورزی هسته ای، پژوهشگاه علوم و فنون هسته ای، سازمان انرژی اتمی ایران، کرج | ||
| چکیده | ||
| مطالعه حاضر برای بررسی تأثیر بیوپرایمینگ با گونههای منتخب قارچ تریکودرما (T. harzianum، T. viride، T. koningi، T. atroviridae و T. virens) بر صفات جوانهزنی و مورفولوژیکی گیاهچههای حاصل از بذر ذرت شیرین، گندم و چغندرقند انجام شد. همچنین اثر جهش ناشی از پرتو گاما بر ژنوم تریکودرما و افزایش کارایی آن در بیوپرایمینگ گیاهان مقایسه شد. آزمایش با سه سطح تلقیح شاهد، تلقیح با تریکودرما موتانت و تلقیح با تریکودرما وحشی در قالب طرح کاملا تصادفی و با سه تکرار در پژوهشکده کشاورزی هستهای، انجام شد. درصد جوانهزنی، طول، وزن خشک و تر با روش ISTA انجام شد. نتایج نشان داد بیوپرایمینگ بذر ذرت با فرمولاسیون حاصل از گونههای قارچ تریکودرما (پرتوندیده و موتانت)، در وزن خشک و شاخص بنیه دارای برتری معنیدار نسبت به شاهد بود و در درصد جوانهزنی و طول نیز بهبود مشاهده شد. جوانهزنی بذر گندم با تریکودرما، ٪۱۰۰ بود. طول گیاهچه نیز افزایش یافت، سایر صفات تفاوت معنیدار آماری نداشتند. تیمار با قارچ تریکودرما در گیاه چغندرقند، تأثیر مطلوبی بر صفات مورد اندازهگیری نداشت. در مجموع نتایج نشان داد، بیوپرایمینگ بذر با قارچ تریکودرما، در گندم و ذرت باعث بهبود مولفههای رشدی گیاه به ویژه در مراحل استقرار و رشد اولیه آن گردید، اما این روش برای همه گیاهان قابل تعمیم نبوده و باید مطالعات موردی روی آنها انجام شود. | ||
| کلیدواژهها | ||
| پرایمینگ؛ قارچ تریکودرما؛ وزن خشک؛ طول | ||
| عنوان مقاله [English] | ||
| Biopriming with Trichoderma on Germination and vegetative characteristics of sweet corn, sugar beet and wheat | ||
| نویسندگان [English] | ||
| zahra rezaloo1؛ samira shahbazi2؛ hamed askari2 | ||
| 1Seed Science and Technology Department, Faculty of Agriculture, Islamic Azad University, Karaj, Iran. | ||
| 2Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute (NSTRI), Atomic Energy Organization of Iran (AEOI), Alborz, Iran | ||
| چکیده [English] | ||
| The present study was conducted to investigate the effect of biopriming on a number of selected species of Trichoderma fungi (T. harzianum, T. viride, T. konigii, T. virens and T. atroviridae( on vegetative and morphological traits of seedlings from sweet corn, wheat and sugar beet. Also, the effect of gamma-mutation on Trichoderma genome and its effectiveness was investigated. The experiment was conducted with three levels of inoculation; control, inoculation with Trichoderma mutant and inoculation with Trichoderma wild type in a completely randomized design with three replications at the Nuclear Agriculture Research Institute, done. Germination percentage and length, weight and seedling traits were evaluated based on the ISTA method. The results showed that maize seed biopriming with formulation of Trichoderma species (wild type and mutant) had a superiority in dry weight and Vigor index than control, and in other traits it was also observed improvement. Germination of wheat treated Trichoderma was 100%. Seedling length increased, but other traits had no significant statistical difference. Treatment with Trichoderma fungi in sugar beet had no favorable effect on measured traits. Totally, the results showed that biopriming of seeds with Trichoderma fungi in wheat and maize improved plant growth parameters, especially in the stages of its establishment and its initial growth. but, this method is not generalizable for all plants and should be studied in detail. | ||
| کلیدواژهها [English] | ||
| Priming, Trichoderma fungi, Dry weight, Length | ||
| مراجع | ||
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