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بررسی تاثیر محلول پاشی برخی عناصر کم مصرف و پرمصرف بر کمیت و کیفیت بذر ذرت هیبرید سینگل کراس 704 | ||
| علوم و فناوری بذر ایران | ||
| مقاله 6، دوره 9، شماره 2 - شماره پیاپی 18، شهریور 1399، صفحه 75-86 اصل مقاله (567.57 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ijsst.2019.121249.1185 | ||
| نویسندگان | ||
| علی جلیلیان* 1؛ سمیرا عسگری2؛ سعید جلالی هنرمند3؛ محمود خرمی وفا4؛ عزیز مرادی5 | ||
| 1عضو هیات علمی | ||
| 2مرکز تحقیقات کشاورزی کرمانشاه، واحد تحقیقات ثبت و گواهی بذر و نهال | ||
| 3گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه | ||
| 4گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه رازی، کرمانشاه، ایران | ||
| 5محقق، سازمان تحقیقات، آموزش و ترویج کشاورزی- مرکز تحقیقات کشاورزی و منابع طبیعی کرمانشاه | ||
| چکیده | ||
| این آزمایش در ایستگاه تحقیقات کشاورزی مهرگان کرمانشاه اجرا شد. والدین ذرت هیبرید رقم 704 در قالب طرح بلوکهای کامل تصادفی با 3 تکرار کشت شد. در این بررسی از 10 ترکیب کودی با عناصر پر مصرف و کم مصرف بصورت کاربرد در خاک و محلول پاشی در مرحله 6 تا 8 برگی استفاده شد. کشت در اول اردیبهشت انجام شد و آبیاری به روش بارانی (کلاسیک ثابت) صورت گرفت. در پایان مرحله رشد، پایه های پدری حذف و بذر پایه های مادری برداشت شد. بر روی بذر حاصل از تیمارهای مختلف علاوه بر تعیین مقادیر عناصر پر مصرف، کم مصرف، پروتئین، نشاسته و ماده خشک بذر، سایرآزمایش های کیفیت بذر شامل قوه نامیه، میزان رشد گیاهچه، سرعت جوانه زنی، شاخص بنیه گیاهچه، پیری زودرس (تسریع شده) و سرما انجام شد. نتایج نشان داد که محلول پاشی تفاوت معنی داری در مقدار عناصر غذایی در بذر ذرت ایجاد نکرد. علیرغم عدم تفاوت معنی دار در مقدار عناصر غذایی موجود در بذر اما مقدار رشد گیاهچه و سرعت جوانه زنی در برخی از تیمارها برتری نشان داد، بطوریکه بیشترین مقدار رشد گیاهچه در تیمار محلول پاشی با پتاسیم بود. بیشترین سرعت جوانه زنی نیز مربوط به تیمار محلول پاشی با عناصر پر مصرف(نیتروژن و پتاسیم) بود. | ||
| کلیدواژهها | ||
| عناصر غذایی؛ قدرت بذر؛ رشد گیاهچه؛ جوانه زنی بذر | ||
| عنوان مقاله [English] | ||
| The effect of spraying some macro and micro elements on the seed quality and quantity of maize hybrid single cross 704 | ||
| نویسندگان [English] | ||
| Ali Jalilian1؛ Samira Asgari2؛ Saeid Jalali Honarmand3؛ Mahmoud Khoramivafa4؛ Aziz Moradi5 | ||
| 1Sugarbeet Research Departement, Kermanshah Agricultural and Natural Resources Research and Education | ||
| 2Kermanshah Agricultural and Natural Resources Research and Education | ||
| 3Department of Agronomy and Plant Breeding, Campus of Agriculture and Natural Resources, Razi University, Kermanshah, Iran. | ||
| 4Department of agronomy and plant breeding, campus of agriculture and natural resources, Razi university, Kermansha, Iran | ||
| 5Researcher, Agricultural Research, Education and Extension Organization- Kermanshah Agricultural and Natural Resources Research and Education Center | ||
| چکیده [English] | ||
| This experiment was conducted at Mehrgan Agricultural Research Station, Kermansha, Iran, in 2012. The maize parents of hybrid 704 cultivar was cultivated in a randomized complete block design with three replications. The treatments includes: 1-ammonium nitrate (1/3 before planting and 2/3 after planting) 2-solupotas 3-iron chelate, 4-zinc sulfate, 5-manganes sulfate 6- boric acid, 7- Combine treatments 1 to 6 with each other. 8- Combine treatments 1 and 2 with each other. 9- Combine treatments 3 to 6 with each other. 10- Control (without spraying). The applied treatments were sprayed in three stages: 1- growth stage from 6 to 8 leaves 2- maximum leaf area index 3- after pollination. The length of plots was 7 meters and width was 4.5 meters (including 4 mother line and 2 father line) with spacing rows of 75 cm and plant spacing on the 18 cm row. The cultivation was carried out on May 1 and irrigation system was sprinkler. The treats measured was include macro and micro elements in seed, germination percentage, seedling vigor index (SVI), germination rate and Seedling growth rate (SGR) for each treatment. The results showed that foliar application did not significantly differ in the amount of nutrients in corn seed. Despite the lack of significant difference in the amount of nutrients in the seed, seedling growth and germination rate were superior in some treatments, so that the highest seedling growth was observed in potassium spraying treatment. The highest rate of germination was also due to spraying with high consumption elements. | ||
| کلیدواژهها [English] | ||
| Nutrients, Seed vigor, seedling growth, seed germination | ||
| مراجع | ||
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