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A High-Yielding Rehmannia glutinosa Liboschitz ex Steudel Cultivar ‘Dagang’
다수성 지황 ‘다강’
Korean J Breed Sci 2018;50(3):236-239
Published online September 1, 2018
© 2018 Korean Society of Breeding Science.

Sang-Hoon Lee1, Chung-Berm Park1, Yong-Ku Kang1, Geum-Soog Kim1, Sin-Hee Han1, Ae-Jin Choi1, Seung-Ho Han2, Jong-Yeob Kim3, Hyun-Ro Park4, Mok Hur1, and Chun-Geon Park1*
이상훈1, 박충범1, 강용구1, 김금숙1, 한신희1, 최애진1, 한승호2, 김종엽3, 박현로4, 허목1, 박춘근1*

1Department of Herbal Crop Research, NIHHS, RDA, Eumseong 27709, Korea
2Chungnam Agricultural Research & Extension Services, Geumsan 32723, Korea
3Jeonbuk Agricultural Research & Extension Services, Jinan 55440, Korea
4Gyeongbuk Agricultural Research & Extension Services, Gumi 39102, Korea
1농촌진흥청 국립원예특작과학원, 2충청남도농업기술원, 3전라북도농업기술원, 4경상북도농업기술원
Correspondence to: (E-mail: pcg@korea.kr, Tel: +82-43-871-5664, Fax: +82-43-871-5659)
Received December 21, 2017; Accepted May 16, 2018.
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
A new Rehmannia glutinosa cultivar ‘Dagang’ was bred from ‘Jihwang 1’ (check variety) seedlings by the medicinal crop breeding team of the National Institute of Horticulture and Herbal Science, RDA, in 2010. It has pink flowers, a dark brown seed coat, and a light yellow root cortex. The plant type was intermediate erect, whereas ‘Jihwang 1’ showed some drooping. The leaf shape was narrow oblong, whereas ‘Jihwang 1’ was oblong. The yield of dried root was higher than that of ‘Jihwang 1’. ‘Dagang’ showed stronger resistance to root rot than did ‘Jihwang 1’, rendering it more stable in cultivation. The regional adaptation trials were conducted at three different locations from 2009 to 2010. The average yield of ‘Dagang’ was 20.1 ton/ha, which was 14% higher than that of ‘Jihwang 1’. Also, compared with ‘Jihwang 1’, the yield of ‘Dagang’ was 1%–3% higher than that of the existing cultivars ‘Kokang’ and ‘Togang’. This cultivar could adapt to most of the cultivation areas in Korea, except for mountainous regions (Registration No. 4724).
Keywords : Rehmannia glutinosa, Disease resistance, High yielding, Dagang


September 2018, 50 (3)
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