세대단축을 위한 장일처리 시 국내 밀 품종의 출수 및 생육 특성

• 영문명: Heading Date and Growth Character of Korean Wheat Cultivars by Controlling Photoperiod for Rapid Generation Advancement
• 발행기관: 한국육종학회
• 저자명: 차진경(Jin-Kyung Cha) 이종희(Jong-Hee Lee) 이소명(So-Myeong Lee) 고종민(Jong-Min Ko) 신동진(Dongjin Shin)
• 간행물 정보: 『한국육종학회지』Vol.52 No.1, 20~24쪽, 전체 5쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2020.03.30

영문 초록

A speed-breeding system using photoperiod characteristics has recently been developed to reduce the entire growth period in wheat. In this study, the entire growth period of four Korean varieties was examined to investigate whether this speed-breeding system would be beneficial for our wheat breeding program. When four varieties were cultivated under a 22-hour light/2-hour dark cycle in a glasshouse, the number of days to heading of Jokyoung and Baekkang was 44 and 43, respectively, and the number for Keumgang and Joongmo2008 was more than 75. Around twelve seeds per plant were obtained from Jokyoung and Baekkang, and the seeds of these varieties completely germinated when harvested at 20 days after heading. These results suggest that this speed-breeding system can be a reliable method of reducing the growth period in Korean wheat breeding.

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키워드

wheat breeding speed breeding single seed descent