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اثر تنش کم آبی بر طول دوره رشد و فنولوژی برخی اکوتیپهای شاهدانه | ||
| به زراعی کشاورزی | ||
| مقاله 8، دوره 23، شماره 3، مهر 1400، صفحه 577-563 اصل مقاله (2.12 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jci.2020.294173.2318 | ||
| نویسندگان | ||
| صادق اسدی1؛ حسین مقدم* 2؛ حسنعلی نقدی بادی3؛ محمدرضا نقوی4؛ علی رضا سلامی5 | ||
| 1دانشجوی دکتری، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج، ایران. | ||
| 2استادیار، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج، ایران. | ||
| 3دانشیار، مرکز تحقیقات گیاهان دارویی، پژوهشکده گیاهان دارویی جهاد دانشگاهی، کرج، ایران | ||
| 4استاد، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج، ایران. | ||
| 5دانشیار، گروه علوم باغبانی و فضای سبز، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج، ایران | ||
| چکیده | ||
| به‌منظور بررسی طول دوره رشد اکوتیپهای مختلف شاهدانه و پاسخ این اکوتیپها به تنش کمآبی، آزمایشی به‌صورت فاکتوریل در قالب طرح کاملاً تصادفی در گلخانه پردیس کشاورزی و منابع طبیعی دانشگاه تهران در سال 1395 انجام شد. عامل آبیاری در سه سطح (50، 75 و 100 درصد ظرفیت زراعی) و عامل اکوتیپ با 12 سطح (ارومیه، سنندج، تبریز، دشت مغان، رشت، خمین، داران، قم، شاهرود، کرمان، طبس و سراوان) بود. نتایج نشان داد که اکوتیپهای رشت و خمین به‌ترتیب بیش‌ترین و کم‌ترین زمان برای جوانهزنی و سبزشدن و میزان درجه روز رشد جوانهزنی و سبزشدن (GDD1) را داشتند. بیش‌ترین زمان دوره رویشی، گلدهی و رسیدگی به‌ترتیب در اکوتیپهای دشت مغان، رشت و دشت مغان به میزان 33/71، 30 و 66/46 روز در 100 درصد ظرفیت زراعی و کم‌ترین زمان در اکوتیپهای طبس، تبریز و سراوان با مقادیر 42، 16 و 17 روز در 50 درصد ظرفیت زراعی مشاهده شد. هم‌چنین بیش‌ترین مقدار درجه روز رشد دوره رویشی (GDD2)، دوره گلدهی (GDD3)، دوره رسیدگی (GDD4) به‌ترتیب در اکوتیپهای دشت مغان، کرمان و دشت مغان با 1788، 836 و 1169 درجه روز رشد در 100 درصد ظرفیت زراعی و کم‌ترین مقدار در اکوتیپهای طبس، تبریز و سراوان با 1039، 413 و 448 درجه روز رشد در 50 درصد ظرفیت زراعی حاصل شد. براساس طول دوره رشد و میزان درجه روز رشد تجمعی (GDD کل)، اکوتیپهای طبس و دشت مغان به‌ترتیب بهعنوان زود رسترین و دیررسترین اکوتیپ شناسایی شدند. | ||
| کلیدواژه‌ها | ||
| آبیاری؛ درجه روز رشد؛ دوره رسیدگی؛ دوره گلدهی؛ ظرفیت زراعی | ||
| عنوان مقاله [English] | ||
| The effect of deficient irrigation on growth period duration and phenology of some Cannabis ecotypes | ||
| نویسندگان [English] | ||
| Sadegh Asadi1؛ Hosein Moghaddam2؛ hasanali Naghdibadi3؛ Mohamadreza Naghavi4؛ Ali Reza Salami5 | ||
| 1Ph.D. Candidate, Department of Agronomy and Plant Breeding, Faculty of Agriculture and Natural Resources, University of Tehran, Karaj, Iran | ||
| 2Assistant Professor, Department of Agronomy and Plant Breeding, Faculty of Agriculture and Natural Resources, University of Tehran, Karaj, Iran | ||
| 3Associate Professor, Department of Cultivation and Development of Medicinal Plants Research Center, Institute of Medicinal Plants, ACECR, Karaj, Iran | ||
| 4Professor, Department of Agronomy and Plant Breeding, Faculty of Agriculture and Natural Resources, University of Tehran, Karaj, Iran | ||
| 5Associate Professor, Department of Horticultural Science, Faculty of Agriculture and Natural Resources, University of Tehran, Karaj, Iran | ||
| چکیده [English] | ||
| The present study has been conducted to investigate the duration of growth period of different cannabis (Cannabis sativa L.) ecotypes and their responses to water stress based on a factorial completely randomized experiment design in the greenhouse condition at the University of Tehran in 2017. Irrigation levels include 50%, 75%, and 100% of field capacity, with the ecotypes being Urmia, Sanandaj, Tabriz, Dasht-e-Moghan, Rasht, Khomein, Daran, Qom, Shahroud, Kerman, Tabas, and Saravan. Results show that Rasht and Khomein ecotypes have had the highest and lowest duration of germination phase and growth degree-days (GDD1), respectively. The highest duration of vegetative, flowering and maturation phases belong to Dasht-e-Moghan, Rasht, and Dasht-e-Moghan ecotypes with 71.33, 30, and 46.66 (days), respectively, at 100% field capacity. The lowest durations of these phases could be seen in Tabas, Tabriz, and Saravan ecotypes with 42, 16, and 17 (days), respectively, at 50% field capacity. Also, the highest values of growth degree-days for vegetative (GDD2), flowering (GDD3), and maturation (GDD4) phases for Dasht-e-Moghan, Kerman, and Dasht-e-Moghan ecotypes with 1788, 836, and 1169 (0C.d), respectively, at 100% field capacity, with their lowest values belonging to Tabas, Tabri,z and Saravan with 1039, 413, and 448 (0C.d), respectively, at 50% field capacity. Based on growth period duration and cumulative growth degree-days (total GDD), Tabas and Dasht-e-Moghan ecotypes are found as earliest and latest ecotypes, respectively. | ||
| کلیدواژه‌ها [English] | ||
| Field Capacity, Flowering phase, Growing Degree Day, Irrigation, Maturation phase | ||
| مراجع | ||
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