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세대단축을 위한 장일처리 시 국내 밀 품종의 출수 및 생육 특성

차진경, 이종희, 이소명, 고종민, 신동진*

Heading Date and Growth Character of Korean Wheat Cultivars by Controlling Photoperiod for Rapid Generation Advancement

Korean Journal of Breeding Science 2020;52(1):20-24.
Published online: March 1, 2020

농촌진흥청 국립식량과학원 남부작물부

Department of Southern Area Crop Science, National Institute of Crop Science, RDA, Miryang, 50424, Republic of Korea

* Corresponding Author (E-mail: jacob1223@korea.kr, Tel: +82-55-350-1185, Fax: +82-55-352-3059)
• Received: October 22, 2019   • Revised: November 6, 2019   • Accepted: November 6, 2019

Copyright © 2020 by the Korean Society of Breeding Science

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.

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Heading Date and Growth Character of Korean Wheat Cultivars by Controlling Photoperiod for Rapid Generation Advancement
Korean. J. Breed. Sci.. 2020;52(1):20-24.   Published online March 1, 2020
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Heading Date and Growth Character of Korean Wheat Cultivars by Controlling Photoperiod for Rapid Generation Advancement
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Heading Date and Growth Character of Korean Wheat Cultivars by Controlling Photoperiod for Rapid Generation Advancement
Image Image Image
Fig. 1 Photoperiod of modified-speed breeding system.
Fig. 2 Comparison of days to heading according to cultivars in 22-hour photoperiod. (55days after seeding) A. Jokyoung. B. Baekkang. C. Keumgang. D. Joongmo2008.
Fig. 3 Germination rates of Jokyoung and Bakkang in 72-cell trays, harvested 14, 17 and 20 days after heading. A. Germination rates. White circle: Jokyoung. Black circle: Baekkang. B. Seeds of Jokyoung harvested and dried 14days after heading.
Heading Date and Growth Character of Korean Wheat Cultivars by Controlling Photoperiod for Rapid Generation Advancement

Agronomic characters of four Korean wheat varieties in 22-hour photoperiod.

Cultivar Days to heading Culm length (cm) Spike length (cm) No. of spikes/plant No. of grains/spike Fertility rate (%)
Baekkang 43.0±2.0cz 45.1±4.3c 5.6±0.5a 1.1±0.3a 12.5±2.4a 35.4±7.4a
Keumgang 86.0±1.0a 52.1±5.2b 4.9±0.4bc 1.0±0.0a 3.3±2.2b 4.0±5.2b
Jokyoung 43.5±0.5c 42.5±5.2c 5.1±0.6b 1.3±0.4a 11.9±5.1a 34.0±16.0a
Joongmo2008 74.5±1.5b 56.7±5.2a 4.8±0.4c 1.2±0.4a 3.5±0.7b 1.4±4.2b
Table 1 Agronomic characters of four Korean wheat varieties in 22-hour photoperiod.

Means for the same characteristics with different letters are significantly different from each other (p<0.05) according to the Duncan test. Results are expressed as means±SD (n=10). One way ANOVA was performed for each characteristics.