"상옥"은 밥맛이 뛰어난 벼품종을 육성할 목적으로 1988/1989년 동계에, 미질이 좋고 중생종인 Milyang 101과 Chukei 830과 밀양80호의 F1을 약배양하여 육성된 YR8697Acp97을 (in winter) 교배하여 '89년 하계에 F1 식물체를 양성하고 '90년에는 F2 집단을 전개하고 집단으로 선발하였다. 이후 '91년부터 '93년 F6세대까지 집단육종법으로 세대를 진전시키면서 생육 및 출수 특성 등을 관찰한 뒤 '94년부터 '9
"Sangok", is a new japonica rice variety (Oryza sativa L.), which is a midium maturing ecotype developed by the rice breeding team of National Yeongnam Agricultural Experiment Station (NYAES) in 2003. This variety was derived from the cross of Milyang 101/YR8697Acp97 (in 1988/1989 winter) and selected by combination of the bulk and pedigree breeding. The pedigree of Sangokbyeo, designated as Milyang 182 in 2000, was YR12950-B-B-B-19-2-4-2-2. It has about 79cm stature in culm length and is medium maturing. This variety is resistant to bacterial blight (K1, K2, and K3), stripe virus and moderately resistant to leaf blast disease. Milled rice kernels of "Sangok" is translucent, clear in chalkness and good at eating quality in the panel test. The yield potential of "Sangok" in milled rice is about 5.16MT/ha at ordinary fertilizer level of local adaptability test. This cultivar would be adaptable to the southern plain of Korea below the Chungnam province by latitude from ordinary transplanting to transplanting after barley harvest.