A Medium-maturing, Multi-Disease Resistant and High-Quality Rice Cultivar, “Sampyeongbyeo”

“Sampyeongbyeo” is a new japonica rice cultivar developed from a cross between a lodging-tolerant, semi-dwarf and high-quality rice variety Suweon345 and a highly resistant breeding line to bacterial blight, SR11340-46-5-4-1 (Chukoku69/Sangpungbyeo) by the rice breeding team of National Crop Experiment Station, R.D.A., in 2001. This cultivar has about 112 days of growth duration from seeding to heading in central plain area of Korea. It has a good semi-erect plant type and resistant to lodging with strong culm. The number of panicle/hill of Sampyeongbyeo is slightly more than that of Hwaseongbyeo. The milled rice of this cultivar is translucent and relatively clear non-glutinous short one. It has low amylose content(18.7%) and low gelatinization temperature and good palatability of cooked rice similar to Hwaseongbyeo. This rice variety shows slow leaf senescence and considerable tolerance to viviparous germination during the ripening stage. “Sampyeongbyeo” is resistant to bacterial blight (K1, K2, K3), moderately resistant to leaf blast and stripe virus diseases, but susceptible to dwarf and black streaked dwarf virus diseases and insect pests. The yield performance of this rice cultivar is about 5.62 ton/ha in milled rice at local adaptability test for three years (1998~2000). “Sampyeongbyeo” is adaptable to west-southern coastal, central plain and southern inland areas of Korea.