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논문 기본 정보

자료유형
학술저널
저자정보
박현수 (농촌진흥청 국립식량과학원) 백만기 (농촌진흥청 국립식량과학원) 정오영 (농촌진흥청 국립식량과학원) 전용희 (농촌진흥청 국립식량과학원 영덕출장소)
저널정보
한국육종학회 한국육종학회지 한국육종학회지 제53권 제1호
발행연도
2021.1
수록면
32 - 41 (10page)

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초록· 키워드

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The damage caused by typhoons to rice production has been increasing. To reduce this damage, wind-tolerant rice breeding programshave been conducted at the Yeongdeok substation (YS) of the National Institute of Crop Science (NICS). This study was conducted to examinethe effects of these wind-tolerant rice breeding programs. Under the wind-tolerance screening facility (WTSF), the wind-tolerance of 17 ricevarieties bred at NICS (usual rice) and 20 rice varieties bred at YS (wind-tolerant rice) were analyzed by evaluating six traits: white spikelet(WS), white panicle (WP), degree of wind damage (DG), ratio of ripened grain (RRG) at control (RRG_C) and treatment (RRG_T), andreduction rate of RRG between control and treatment (RRG_R). Wind-tolerant rice showed more wind-tolerant characteristics than usual rice,such as lower WS, WP, DG, and RRG_R and higher RRG_T and RRG_C. In the principal component analysis, wind-tolerant rice showinga similar direction for RRG_T and RRG_C were located separately from the usual rice. The adaptability tests of wind-tolerant rice wereconducted by evaluating eight yield-related traits in the wind-prone areas. Wind-tolerant rice was divided into three clusters by K-means clusteringanalysis using WP and RRG_T with the WTSF, RRG, and yield in the wind-prone areas. Among the three clusters, YC2 had the strongestwind tolerance performance, followed by YC3 showing moderate wind tolerance, and YC1 the weakest wind tolerance. ‘Sinbo’, a varietybelonging to YC2, exhibited the strongest wind tolerance and high yield potential among all varieties. The wind-tolerant rice varieties bredat YS could be used practically to prevent wind damage and utilize breeding materials to enhance the wind tolerance of rice varieties.

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