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ارزیابی تیمارهای بذرمال روی و قارچ‌کش بر شاخص‌های جوانه‌زنی بذرهای جو رقم گوهران | ||
| علوم و فناوری بذر ایران | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 07 خرداد 1404 اصل مقاله (1.59 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/ijsst.2024.365672.1526 | ||
| نویسندگان | ||
| مهران شرفی زاد* 1؛ شهلا هاشمی فشارکی2 | ||
| 1استادیار پژوهش، موسسه تحقیقات ثبت و گواهی بذر و نهال، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران. | ||
| 2کارشناس ارشد آزمایشگاه سلامت بذر، سازمان تحقیقات، آموزش و ترویج کشاورزی، مؤسسه تحقیقات ثبت و گواهی بذر و نهال، کرج، ایران. | ||
| چکیده | ||
| به منظور ارزیابی جوانه‌زنی و بنیه گیاهچه بذرهای جو رقم گوهران در تیمار با روی و قارچ‌کش‌ها، مطالعه‌ای بر پایه فاکتوریل در قالب طرح کاملاً تصادفی در چهار تکرار اجرا شد. تیمارهای مورد ارزیابی شامل شش تیمار قارچ‌کش دیویدند استار (2 در هزار)، کاربوکسین تیرام (5/2 در هزار)، راکسیل (تبوکونازول، 5/0در هزار)، لاماردو (2/0 در هزار)، رورال-TS (5/2 در هزار) و فاقد قارچ‌کش، و سه تیمار بذرمال‌روی شامل روی‌کاوین، روی‌زاگورت و بدون بذرمال روی بودند. درصد جوانه‌زنی بذر پس از اعمال دو تیمار بذرمال روی در حدود دو درصد کمتر از شاهد بود. طول ریشه‌چه (12 درصد)، ساقه‌چه (20 درصد) و گیاهچه (13 درصد) در تیمارهای بذرمال روی در ترکیب با رورال-TS و کربوکسین تیرام بالاتر از مقدار آن در تیمارهای بذرمال روی با قارچ‌کش دیویدند استار مشاهده شد. به جز دیویدند استار، دیگر قارچ‌کش‌ها پاسخی مشابه با تیمار شاهد بر شاخص بنیه طولی گیاهچه نشان دادند. بالاترین سرعت جوانه‌زنی R50 (در حدود 20/1) در تیمارهای توام قارچ‌کش‌های رورال-TS، کاربوکسین تیرام و راکسیل با بذرمال‌های روی ثبت گردید و کمترین مدت زمان را برای رسیدن به حداکثر جوانه‌زنی (کمتر از 2 روز) نشان دادند اما دو قارچ‌کش دیویدنداستار و لاماردور سرعت جوانه‌زنی R50 (در حدود 01/1) کمتری نسبت به شاهد (06/1 تا 1/1) داشتند. استفاده از این دو قارچ‌کش در تیمارهای بذرمال روی با شرایط توصیف شده در این مطالعه توصیه نمی‌گردد. پیشنهاد می-گردد از قارچ‌کش‌های رورال-TS و کربوکسین تیرام با تیمارهای بذرمال روی کاوین و زاگورت برای بهبود شاخص‌های جوانه-زنی و بنیه گیاهچه جو استفاده گردد. | ||
| کلیدواژه‌ها | ||
| جوانه‌زنی بذر؛ سلامت بذر؛ عناصر ریزمغذی؛ گیاهچه جو | ||
| عنوان مقاله [English] | ||
| Fungicide and Zn-seed treatments evaluation on germination indices of barely Cv. Goharan seeds | ||
| نویسندگان [English] | ||
| Mehran Sharafizad1؛ Shahla Hashemi Fesharaki2 | ||
| 1Research assistant professor, Seed and Plant Certification and Registration Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran. | ||
| 2Senior expert in seed health laboratory, Agricultural Research, Education and Extension Organization (AREEO), Seed and Plant Certification and Registration Institute (SPCRI), Karaj, Iran. | ||
| چکیده [English] | ||
| This study was carried out based on complete randomized design in four replications in order to assess germination and seedling vigor of barely seeds Cv. Goharan exposed to Zn-micronutrient element and different fungicides. Evaluated treatments on Barely seeds include six fungicide treatments Dividend star (2 per 1000), Carboxin Thiram (2.5 per 1000), Raxil (0.5 per 1000), Lamardor (0.2 per 1000), Rovral-TS (2.5 per 1000) and non-fungicide, and three Zn-seed treatments, Zn-Kavin, Zn-Zagorat and non-Zn seed treatment. Barely seed germination was two percent lower than control compared with Zn-seed treatments. The lengths of radicle (12%), shoot (20%), and seedling (13%) after seeds treated with Zn-seed treatments along with Rovral-TS and Carboxin Thiram were more than the ones were recorded with liquid Dividend star. Other fungicides except liquid Dividend star showed similar response to control about seedling length vigor index. The highest rate germination (R50, 1.20) was belonging to Rovral-TS, Carboxin Thiram, and Raxil fungicides in combination with Zn-seed treatments, Moreover, the lowest time to reach maximum of germination (less than 2 days) was recorded in mentioned treatments. However, two fungicides of liquid Dividend star and liquid Lamardor had lower germination rate (1.01) than control (1.06 till 1.1), so these two fungicides usage with such condition was not suggested in this study. In conclusion, Rovral-TS and Carboxin Thiram along with Kavin and Zagorat Zn-seed treatments were suggested to improve germination and seedling vigor of barely indices. | ||
| کلیدواژه‌ها [English] | ||
| Barely seedling, Micronutrient elements, Seed germination, Seed health | ||
| مراجع | ||
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آمار تعداد مشاهده مقاله: 26 تعداد دریافت فایل اصل مقاله: 32 |
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