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بررسی اثر اسید جیبرلیک، کربن دی سولفید و تیواوره بر شکستن خواب و جوانه زنی مینی تیوبرهای سیب زمینی | ||
| علوم و فناوری بذر ایران | ||
| مقاله 4، دوره 9، شماره 3 - شماره پیاپی 19، آذر 1399، صفحه 59-71 اصل مقاله (1022.37 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22034/ijsst.2019.121712.1199 | ||
| نویسندگان | ||
| شبنم هسراک1؛ عبدالرضا باقری* 2؛ رضا ضرغامی3 | ||
| 1گروه بیوتکنولوژی و به نژادی گیاهان زراعی، دانشکده کشاورزی، دانشگاه فردوسی مشهد، مشهد، ایران. | ||
| 2گروه بیوتکنولوژی و به نژادی گیاهان زراعی-دانشکده کشاورزی-دانشگاه فردوسی مشهد_مشهد _ایران | ||
| 3بخش کشت بافت و سلول، پژوهشگاه بیوتکنولوژی کشاورزی ایران، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج-ایران | ||
| چکیده | ||
| چکیده کاهش دوره خواب مینی تیوبرهای سیب زمینی از نظر اقتصادی حایز اهمیت است. براین اساس، مطالعه حاضر با هدف شناسایی بهترین ترکیب شکستن دوره خواب مینی تیوبرهای دو رقم تجاری اگریا و سانته انجام گردیده است. باتوجه به اثر عوامل مختلف و درک بهتر تاثیر فاکتورهای اثرگذار و میان کنش آنها بر خواب مینی تیوبرها، در این مطالعه اثر تیمارهای اسید جیبرلیک (1-gl 07/0 و 05/0)، تیواوره (1-gl 20 و 10) و کربن دی سولفید (3- mlm50 و 25) بر روی دوره خواب بذر، تعداد و طول جوانه تولید شده از مینی تیوبرهای دو رقم سیب زمینی با دوره های رکود متفاوت و سه اندازه مختلف غده (5/1، 5/2 و cm 5/3) مورد بررسی قرار گرفته است. نتایج نشان داد با وجودیکه تیواوره و کربن دی سولفید اثر مطلوبی بر کاهش دوره خواب داشتند اما بر اساس بررسی پارامترهای جوانه زنی، اسید جیبرلیک (1-gl 05/0) تیمار مناسب جهت کاهش دوره رکود مینی تیوبر ها محسوب می گردد. این تیمار علاوه بر کاهش دوره خواب مینی تیوبرهای با اندازه های مختلف در هر دو رقم، اثر مطلوبی بر جوانه زنی غده های حاصل داشته است. | ||
| کلیدواژه‌ها | ||
| Solanum tuberosum؛ اگریا؛ تعداد جوانه؛ سانته؛ شکستن خواب بذر | ||
| عنوان مقاله [English] | ||
| Evaluation the effect of gibberellic acid, carbon disulfide and thiourea on breaking the dormancy and germination of potato minitubers | ||
| نویسندگان [English] | ||
| shabnam hasrak1؛ Abdolreza Bagheri2؛ Reza Zarghami3 | ||
| 1Biotechnology and Plant Breeding Department, Faculty of Agriculture, Ferdowsi University of Mashhad, Mashhad, Iran | ||
| 2Biotechnology & Plant Breeding department-Agriculture faculty-Ferdowsi University of Mashhad-Mashhad-Iran. | ||
| 3Department of Tissue and Cell Culture, Agricultural Biotechnology Research Institute of Iran-Karaj-Iran | ||
| چکیده [English] | ||
| Reducing the minituber dormancy has economic importance . The current study was aimed to find the best dormancy breaking treatment to reduce minituber dormancy of two commercial varieties (Sante and Agria). Since minituber dormancy period depends on different factors, the individual effects of treatments i.e. GA3 (0.05 and 0.07gl-1), thiourea (10 and 20gl-1) and CS2 (25 and 50mlm-3), genotype background (different dormancy periods), and minituber size (1.5, 2.5 and 3.5cm), were evaluated on minituber dormancy period. In addition to dormancy period, the effect of mentioned factors were investigated on sprout numbers and sprout length. Results showed that although CS2 and thiourea had good effects on the reduction of minituber dormancy, the detailed consideration of derived sprouts showed that it cannot be introduced as an appropriate dormancy breaking treatment. According to the results, GA3 (0.05gl-1) was found to be the best treatment for reducing dormancy period in both cultivars. GA3 (0.05gl-1), in addition to break the dormancy of different minituber sizes of both cultivars, had good effect on sprouting related parameters of treated minitubers. | ||
| کلیدواژه‌ها [English] | ||
| Agria, Dormancy Breaking, Sante, Solanum tuberosum, Sprout Number | ||
| مراجع | ||
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