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ارزیابی برخی خصوصیات کیفی بذرهای پوشش دار با پلیمر سنتز شده داخلی و خارجی چغندرقند، ذرت و یونجه | ||
| علوم و فناوری بذر ایران | ||
| مقاله 4، دوره 8، شماره 2 - شماره پیاپی 16، بهمن 1398، صفحه 47-58 اصل مقاله (840.43 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ijsst.2018.115135.1122 | ||
| نویسندگان | ||
| داریوش طالقانی* 1؛ سعید صادق زاده حمایتی2؛ فرحناز حمدی هولاسو3؛ مهدی صادقی شعاع2 | ||
| 1دانشیار مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران | ||
| 2استادیار مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران | ||
| 3کارشناس ارشد مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران | ||
| چکیده | ||
| بهره‌گیری از انواع پلیمرها در زمینه فرآوری بذر (پوشش‌دار کردن بذر انواع گیاهان) در سال های اخیر اهمیت زیادی پیدا کرده است. از مواد پلیمری جهت افزودن ترکیبی از رنگ ها، قارچ‌کش‌ها، حشره‌کش‌ها و مواد تنظیم‌کننده رشد استفاده می‌شود تا بتوان در مراحل اولیه رشد گیاهان، ضمن ترغیب گیاهچه‌ها به رشد و استقرار بهتر، آنها را در برابر انواع عوامل بیماری‌زا و حشرات زیان‌آور اوایل فصل مصون نمود. این تحقیق با هدف ساخت پلیمر داخلی و امکان‌سنجی استفاده از آن در بذر سه گیاه مهم زراعی چغندرقند، ذرت و یونجه طی سال‌های 94-1393 اجرا شد. جهت مقایسه اجرای پلیمر خارجی و داخلی خصوصیات کیفی بذر شامل درصد جوانه زنی، درصد گیاهچه های غیرعادی و طول ریشه در آزمایشگاه و بنیه گیاهچه ها در گلخانه مورد ارزیابی قرار گرفت. باتوجه به نتایج طیف‌های مادون قرمز بدست آمده و مقایسه پلیمر تهیه‌شده با پلیمر خارجی که به‌عنوان شاهد مورد استفاده قرار گرفته است. می‌توان چنین استنباط کرد که پلیمر سنتزشده داخلی از نظر خصوصیات فیزیکی و مکانیکی مشابه پلیمر خارجی است. کاربرد پلیمرها در پوشش بذر چغندرقند، تأثیر زیانباری بر جوانه‌زنی و استقرار بذر نداشت. نتایج این مطالعه نشان داد که با ملحوظ داشتن جنبه های اقتصادی، می توان از پلیمر داخلی سنتز شده در این تحقیق به نسبت یک درصد برای پوشش بذرهای چغندرقند و یونجه و 5/1درصد برای بذر ذرت به منظور دستیابی به پوشش دهی مطلوب و یکنواخت بذرها و عدم تاثیر سوء بر صفات کیفی آن ها استفاده نمود. | ||
| کلیدواژه‌ها | ||
| پلیمر؛ پوشش‌دار کردن بذر؛ چغندرقند؛ ذرت؛ یونجه | ||
| عنوان مقاله [English] | ||
| Evaluation of some quality characteristics of coated seeds with internal and foreign synthesized polymers on sugar beet, corn and alfalfa | ||
| نویسندگان [English] | ||
| Dariush Taleghani1؛ Saeid Sadeghzadeh Hemayati2؛ Farahnaz Hamdi Holasoo3؛ Mehdi Sadeghi-shoae2 | ||
| 1Associate Professor of Sugar Beet Seed Institute (SBSI) - Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran | ||
| 2Assistant Professor of Sugar Beet Seed Institute (SBSI) - Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran | ||
| 3Master Expert of Sugar Beet Seed Institute (SBSI) - Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran | ||
| چکیده [English] | ||
| The use of various types of polymers in the field of seed processing (coating seeds of various types of plants) has become very important in recent years. Polymer materials are used to add a mixture of fungicides and pesticides and growth regulators to help protect plant seedlings from growing and deploying better against pathogens and harmful insects in the early stages of plant growth. This research was carried out with the aim of making internal polymer and its feasibility study in seed of three sugar beet, corn and alfalfa crops during the years of 2014-2015. In order to compare the effect of foreign and internal polymer, seed quality, germination, abnormality percentage, Radicle length in laboratory and Seed vigor in greenhouse were evaluated. The results of the obtained spectra and surface tension the comparison of the polymer prepared with the foreign polymer used as a control. It can be concluded that the internalized polymer is physically and mechanically similar to that of an external polymer. Application of polymer in sugar beet cover had no adverse effect on germination and seed establishment. The results of this study showed that the synthesized internal polymer in this study can be used to coating the seeds of sugar beet and alfalfa and 1% and 1.5% for corn seeds in order to achieve optimum seed coating and not to have an adverse effect on their qualitative traits. | ||
| کلیدواژه‌ها [English] | ||
| Polymer, seed coat, sugar beet, corn, alfalfa | ||
| مراجع | ||
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