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자료유형
학술저널
저자정보
저널정보
한국육종학회 한국육종학회지 한국육종학회지 제47권 제1호
발행연도
2015.1
수록면
87 - 91 (5page)

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초록· 키워드

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‘Dapyeongok’, a new maize F1 hybrid (Zea mays L.), is developed by the maize breeding team at the National Instituteof Crop Science (NICS), RDA in 2010. The high-yielding hybrid, named ‘Dapyeongok’ was bred by crossing between two inbredlines, ‘KS158’ and ‘KS155’. It is a yellow dent maize hybrid (Zea mays L.). After preliminary yield trial and advanced yieldtrial of Dapyeongok in Suwon for two years, regional yield trial of that was subsequently carried out for evaluation of its growthand yield at three different locations from 2008 to 2010. The silking date of Dapyeongok is the same with that of the checkhybrid, ‘Jangdaok’. The plant height of Dapyeongok is similar to Jangdaok, and its ear height ratio is the same with that ofJangdaok. It has resistance to lodging. The ear length of Dapyeongok is shorter than that of Jangdaok. The weight of 100 seedsof Dapyeongok is lighter than that of Jangdaok. It has strong resistance to northern leaf blight (Exserohilum turcicum) andsouthern leaf blight (Bipolaris maydis). It has moderate resistance to black streaked dwarf virus (BSDV), ear lot and corn borer. The grain yield (8.6 ton/ha) of Dapyeongok was 8% higher than that of Jangdaok. The seed production of Dapyeongok has gonewell due to a good synchronization of flowering period during crossing between the seed parent, KS158, and the pollen parent,KS155, in Yeongwol and F1 seed yield was 2.8 ton/ha. Dapyeongok would be a suitable cultivar to all plain area in Korea.

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