A Sweetpotato Cultivar "Geonpungmi" for table use
2016
Lee, J.S., National Institute of Crop Science, RDA, Muan, Republic of Korea | Kim, J.J., Rural Development Administration, Jeonju, Republic of Korea | Chung, M.N., Rural Development Administration, Jeonju, Republic of Korea | Kim, H.S., Rural Development Administration, Jeonju, Republic of Korea | Song, Y.S., National Institute of Crop Science, RDA, Muan, Republic of Korea | Shim, H.K., National Institute of Crop Science, RDA, Suwon, Republic of Korea | Han, S.K., National Institute of Crop Science, RDA, wanju, Republic of Korea | Jeong, K.H., National Institute of Crop Science, RDA, wanju, Republic of Korea | Kim, J.M., National Institute of Horticultural and Herbal Science, RDA, Naju, Republic of Korea
Geonpungmi is a new sweetpotato variety developed by Bioenergy Crop Research lnstitute in the National Institute of Crop Science (NICS) at RDA for table use in 2008. This variety was selected from the cross between Mokpo34 and Southern Queen. Two parents, Mokpo34 and Southern Queen, were crossed in 2002. Selection of elite line was performed for 2 years from 2003 to 2004. Preliminary and advanced yield trials were carried out from 2004 to 2005. The regional yield trials were conducted at six locations from 2006 to 2008. Geonpungmi has cordate leaf, greenish purple vine and petiole, elliptic storage root, dark purple skin and yellow flesh color of storage root. This variety is resistant to fusarium wilt and nematode. The starch value and total sugar content were 25.8％ and 5.82%, respectively. Pasting temperature of starch in Geonpungmi was 74.7Celsius, and the retrogradation process is earlier than Yulmi. The average yield of storage root is 19.8 ton/ha in the regional yield trials, which is 3% lower than that of Yulmi. The number of marketable storage roots per plant was 2.6 and the average weight of one storage root was 154 g.
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