중만생 고품질 내도복 복합내병성 벼 신품종 동해진미(東海珍味)

A New High Qualilty Rice Variety with Lodging Resistance and Multiple Resistance to Diseases, Donghaejinmi

동해진미 는 중만생종이면서 쌀 품위가 좋고 밥맛이 양호하며 내병성이 양호한 품종으로 주요특성과 수량성을 요약하면 다음과 같다 1. 출수기는 평야지의 보통기 재배에서 8월 14일로 화성벼 보다 2일 늦은 중만생종이다. 2. 주당수수와 수당립수는 화성벼 보다 약간 많은 편이고 현미천립중은 22.4 g으로 화성벼 보다 다소 가벼운 중립종이다. 3. 불시출수와 수발아가 안되는 편이고, 위조현상에 강하고 성숙기 엽노화가 느린 편이며 내냉성은 화성벼 와 출수 지연일수는 비슷하나 임실률은 낮은 편이다.

A new commercial rice variety Donghaejinmi is a japonica rice (Oryza sativa L.) with lodging resistance and high grain quality. It has been developed by the rice breeding team of Yeongdeog Substation, National Institute of Crop Science (NICS), RDA. This variety was derived from a cross between Milyang 64 as a resistance source of brown planthopper (Bph) and Milyang 165 as grain quality source. The donor parent, Milyang64 has been backcrossed three times with recurrent parent, Milyang165 and selected by the pedigree breeding method. The pedigree of Donghaejinmi , designated as Yeongdeog 41 in 2003, was YR21259-B-B-68-1. It has a short culm length with 69 cm and medium-late growth time. This variety is resistant to stripe virus and moderately resistant to leaf blast disease with durable resistance. It also has tolerance to unfavorable environment such as cold, dried wind and storm. Milled rice kernel of Donghaejinmi is translucent, clear in chalkness and good at eating quality in panel test. The merit of this variety is high head rice ratio, which is essential element to produce an article of superior quality rice brand. The yield potential of Donhaejinmi in milled rice is about 6.05 MT/ha at ordinary fertilizer level of local adaptability test. This cultivar would be adaptable to Yeongnam inland plains and eastern costal area of Yeongnam province.