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Effects of GA3 and Alternating Temperature on Breaking Bud Dormancy of Panax ginseng C. A. Meyer Seedling
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 Title & Authors
Effects of GA3 and Alternating Temperature on Breaking Bud Dormancy of Panax ginseng C. A. Meyer Seedling
Kim, Dong Hwi; Kim, Young Chang; Bang, Kyong Hwan; Kim, Jang Uk; Lee, Jung Woo; Cho, Ick Hyun; Kim, Young Bae; Son, Seung Woo; Park, Jong Bae; Kim, Kee Hong;
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 Abstract
Background : Considerable time and effort is required to develop new Panax ginseng varieties. Ginseng breeders have been developing techniques to shorten the breeding cycle to resolve this problem. In this study, we investigated the effects of adding and alternating temperature (AT, ) on breaking bud dormancy in the varieties (Chungsun and Sunun) of ginseng root. Methods and Results : The soaking treatment and AT were applied to one year old roots, which greatly accelerated the emergence of new buds. In one year old roots, new buds emerged from the 4th day post transplanting and after breaking dormancy with and AT treatments. The emergence of new buds was completed within two weeks. The rate of bud emergence for Chungsun was 60% - 98% over 15 - 60 days after the AT and treatments. The emergence rate of Sunun was 46% - 92%. Normal growth of the ginseng seedling was observed in spite of the early breaking of bud dormancy by combined and AT treatments. Conclusions : and AT treatments shortened the dormancy period and facilitated the stable emergence of ginseng seedlings. However, some plants suffered deformities and early sprouting owing to the combined and AT treatments. Early sprouting was free from dormancy after leaf fall from the of aerial part of the plant.
 Keywords
Panax ginseng C. A. Meyer;Alternating Temperature;Dormancy Breaking;;Seedling;
 Language
Korean
 Cited by
1.
개갑된 인삼종자 휴면 조기타파에 미치는 GA3 및 변온처리 효과,이정우;김영창;김장욱;조익현;김기홍;김동휘;

한국약용작물학회지, 2016. vol.24. 4, pp.284-293 crossref(new window)
1.
Effects of Gibberellic Acid and Alternating Temperature on Breaking Seed Dormancy of Panax ginseng C. A. Meyer, Korean Journal of Medicinal Crop Science, 2016, 24, 4, 284  crossref(new windwow)
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