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논문 기본 정보

자료유형
학술저널
저자정보
손범영 (국립식량과학원) 김정태 (농촌진흥청) 이진석 (국립식량과학원) 배환희 (국립식량과학원) 고영삼 (국립식량과학원)
저널정보
한국육종학회 한국육종학회지 한국육종학회지 제54권 제3호
발행연도
2022.9
수록면
211 - 214 (4page)

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초록· 키워드

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‘Sinhwangok2’ is a single cross maize F1 hybrid (Zea mays L.) that was developed by the maize breeding team at the NationalInstitute of Crop Science (NICS), RDA, in 2018. This yellow high-yielding intermediate maize hybrid was obtained by crossing between twoinbred lines― KS214 and KS215. After advanced yield trials over two years in Suwon, a regional yield trial for ‘Sinhwangok2’ was conductedto evaluate its growth and yield at three different locations, from 2016 to 2018. ‘Sinhwangok2’ requires 72 days for silking and its plantheight is 243 cm, similar to that of ‘Jangdaok’; its ear height ratio is 49%, like that of ‘Jangdaok’, and the hybrid shows resistance to lodging. The number of ears per 100 plants was found to be 100 and the ear length of ‘Sinhwangok2’ is 19.5 cm, which is shorter than that of ‘Jangdaok’. The weight of 100 seeds of ‘Sinhwangok2’ is 30.8 g, similar to that of ‘Jangdaok’. This hybrid shows moderate resistance to southern leafblight (Bipolaris maydis). It has moderate resistance to European Corn Borer (Ostrinia nubilalis). The grain yield (i.e., 9.41 ton/ha) of ‘Sinhwangok2’was found to be 13%, which is higher than that of ‘Jangdaok’. Seed production of ‘Sinhwangok2’ was 2.36 ton/ha and was considered acceptabledue to a good synchronization of flowering period during crossing between the seed parent, KS214, and the pollen parent, i.e., KS215, inYeongwol and F1 seed yield. ‘Sinhwangok2’ can thus be a suitable cultivar for all plain areas in Korea and can possibly be cultivated via doublecropping with winter forage crop because of their early maturity. (Registration No. 8963).

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