A New Soybean Cultivar ‘Jinyang’: Yellow Soybean Cultivar with Lipoxygenase 1,2,3 protein-free

초록

Soybean is the main source of protein and oil for human and animal nutrition. However, antinutritional factors in theraw mature soybean are exist. Lipoxygenase protein is the main antinutritional factor in mature soybean seed. A new soybeancultivar, ‘Jinyang’ with yellow seed coat and free of lipoxygenase 1,2,3 protein was developed. It was selected from thepopulation derived from the cross between ‘Jinpumkong2ho’ and GS301. ‘Jinyang’ has purple flowers, tawny pubescence, adeterminate growth habit, oval leaflet shape, and light brown pods at maturity. The seed has yellow hilum and yellow seed coatcolor. Seed protein and oil content on a dry weight basis were 33.5% and 16.6%, respectively. It has shown a resistant reactionto soybean necrosis, soybean mosaic virus, cercospora leaf spot and blight, black root rot, pod and stem blight, and soybean podborer. ‘Jinyang’ matured in 1 October with plant height of 65cm and a 100-seed weight of 21 g. Average yield of ‘Jinyang’was 300 - 330 kg/10a in 2010 - 2012. ‘Jinyang’ has been registered as a new soybean cultivar (registration number: 4279,registration date: Dec. 28, 2012) by Korea Seed & Variety Service, Republic of Korea.

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