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Ali Abbasi Surki, Ali Abbasi Surki, Rouhi, Hossein Reza, Moradi, Ali, Zeinali, Fathollah, Alimoradi, Javad. (1396). ‌Methods for overcoming seed dormancy in jimsonweed (Datura stramonium L.). , 48(ویژه نامه), 35-41. doi: 10.22059/ijfcs.2017.63651
Ali Abbasi Surki Ali Abbasi Surki; Hossein Reza Rouhi; Ali Moradi; Fathollah Zeinali; Javad Alimoradi. "‌Methods for overcoming seed dormancy in jimsonweed (Datura stramonium L.)". , 48, ویژه نامه, 1396, 35-41. doi: 10.22059/ijfcs.2017.63651
Ali Abbasi Surki, Ali Abbasi Surki, Rouhi, Hossein Reza, Moradi, Ali, Zeinali, Fathollah, Alimoradi, Javad. (1396). '‌Methods for overcoming seed dormancy in jimsonweed (Datura stramonium L.)', , 48(ویژه نامه), pp. 35-41. doi: 10.22059/ijfcs.2017.63651
Ali Abbasi Surki, Ali Abbasi Surki, Rouhi, Hossein Reza, Moradi, Ali, Zeinali, Fathollah, Alimoradi, Javad. ‌Methods for overcoming seed dormancy in jimsonweed (Datura stramonium L.). , 1396; 48(ویژه نامه): 35-41. doi: 10.22059/ijfcs.2017.63651

‌Methods for overcoming seed dormancy in jimsonweed (Datura stramonium L.)

علوم گیاهان زراعی ایران
مقاله 4، دوره 48، ویژه نامه، مهر 1396، صفحه 35-41    اصل مقاله (334.42 K)
نوع مقاله: مقاله پژوهشی
شناسه دیجیتال (DOI): 10.22059/ijfcs.2017.63651
نویسندگان
Ali Abbasi Surki Ali Abbasi Surki1؛ Hossein Reza Rouhi* 2؛ Ali Moradi3؛ Fathollah Zeinali4؛ Javad Alimoradi5
1Assistant Professor, Sharhrekord University, Faculty of Agriculture, Department of Agronomy, Sharhrekord, Islamic Republic of Iran
2Former Ph. D. Student of Crop Physiology, Department of Agronomy and Plant Breeding, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
3Assistant Professor, Department of Agronomy and Plant Breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran
4Ph. D. Candidate, Plant Genetics and Breeding, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
5M. Sc. Student of Weed Science, Department of Agronomy and Plant Breeding, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
چکیده
This study aimed to examine dormancy-breaking of jimsonweed seeds. Seeds were collected from Hamedan. They were subjected to different treatments: (a) concentrated sulfuric acid for 1, 1.5, and 2 min; (b) hot water at 80°C and 90°C for 5 and 10 min; (c) mechanical scarification with sandpaper; (d) light exposure for 10, 20, and 30 days; and (e) fluctuating temperature (5–15°C). The highest germination (90%) was for seeds scarified with sandpaper, but it did not differ significantly from that of seeds scarified with sulfuric acid for 1.5 min. Hot water treatment increased germination percentage but it was lower than sandpaper and acid treatments. Superior treatment affected radicle and plumule length, vigor index, mean germination time, and seedling length. Lower α- and β-amylase activities were detected in dormant seeds, and these enzymes’ activity increased significantly in superior treatment. It seems that scarification by sandpaper or sulphuric acid for 1.5 min is a general requirement for breaking dormancy of jimsonweed seeds. So, they are recommended.
کلیدواژه‌ها
α-amylase؛ β-amylase؛ germination؛ sandpaper
عنوان مقاله [English]
‌Methods for overcoming seed dormancy in jimsonweed (Datura stramonium L.)
نویسندگان [English]
Ali Abbasi Surki1؛ Hossein Reza Rouhi2؛ Ali Moradi3؛ Fathollah Zeinali4؛ Javad Alimoradi5
1Assistant Professor, Sharhrekord University, Faculty of Agriculture, Department of Agronomy, Sharhrekord, Islamic Republic of Iran
2Former Ph. D. Student of Crop Physiology, Department of Agronomy and Plant Breeding, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
3Assistant Professor, Department of Agronomy and Plant Breeding, Faculty of Agriculture, Yasouj University, Yasouj, Iran
4Ph. D. Candidate, Plant Genetics and Breeding, University College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran
5M. Sc. Student of Weed Science, Department of Agronomy and Plant Breeding, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran
چکیده [English]
This study aimed to examine dormancy-breaking of jimsonweed seeds. Seeds were collected from Hamedan. They were subjected to different treatments: (a) concentrated sulfuric acid for 1, 1.5, and 2 min; (b) hot water at 80°C and 90°C for 5 and 10 min; (c) mechanical scarification with sandpaper; (d) light exposure for 10, 20, and 30 days; and (e) fluctuating temperature (5–15°C). The highest germination (90%) was for seeds scarified with sandpaper, but it did not differ significantly from that of seeds scarified with sulfuric acid for 1.5 min. Hot water treatment increased germination percentage but it was lower than sandpaper and acid treatments. Superior treatment affected radicle and plumule length, vigor index, mean germination time, and seedling length. Lower α- and β-amylase activities were detected in dormant seeds, and these enzymes’ activity increased significantly in superior treatment. It seems that scarification by sandpaper or sulphuric acid for 1.5 min is a general requirement for breaking dormancy of jimsonweed seeds. So, they are recommended.
کلیدواژه‌ها [English]
α-Amylase, β-amylase, germination, sandpaper
مراجع
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  16. Rouhi, H. R., Aboutalebian, M. A., Saman, M., Mahmoudieh Champiri, R. & Karimi, F. (2013). Seed germination and dormancy breaking methods for pheasant’s eye (Adonis vernalis L.). International Journal of Agricultural Research and Review, 3, 172-15.
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