율무 조숙 내병 다수성 신품종 “상강”
New Variety "Sanggang" of Coix lachryma-jobi L. with Early Maturity and Resistance to Leaf Blight
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Abstract
"Sanggang" was a new adlay cultivar which was developed from the three way crosses of (Hukuhane × Suwon-6) × Suwon-6 at the Northern Agricultural Research Station, Gyunggido ARES. This cultivar had green sheaf, dark-green leaf, green culm, milky white silk and darkbrown seedcoat. Sanggang shortened 10 days of heading date and 12 days of ripening time compared with Yulmoo 1. In the yield's conponent of Sanggang, the number of grains was by 56 grains less but ripening rate and 1,000 grain weight were higher by 6.5% and 20.1 g compared with Yulmoo 1. respectively. This cultivar showed moderate resistance to leaf blight. The yield of Sanggang was about 313 kg/10a of unpolished grain at ordinary cultivation. This cultivar showed about 17% and 27% higher yield in Yonchon Gyeonggi province and Cheongju Chungbuk province compared with the check variety respectively. This cultivar was adaptable to mono cropping in central and northern region of Korea.