Breeding of Cold Resistant Mulberry Cultivar “Hansungppong” (Morus alba L.)

New mulberry cultivar, Hansungppong, was bred among selected lines from F1 seedlings obtained by crossing the female, Yongcheonppong, and the male, Kugsang 21. Local adaptability test has been carried out at two places (Suwon and Chunchun) for four years since 1995. Leaf quality was tested by silkworm rearing for two silkworm rearing seasons (spring and autumn) at Suwon in 1998. Hansungppong was recognized to be superior in productivity and cold resistance to control cultivar, Yongcheonppong. The new cultivar, Hansungppong, has following agronomic characteristics as compared with Yongcheonppong, which was strongest leading cultivar against cold injury in Korea. It is belonging to Morus alba L. with the ovate leaf shape, sprouting in spring nearly the same to the Yongcheonppong (Morus alba L.), high leaf yielding of 10% compared to Yongcheonppong (Morus alba L.) and the high degree of cold resistance. It is adaptable to everywhere in Korea. Hansungppong is recommended to rear silkworms not only in spring but also in autumn besides for young silkworms.

내동다수성 뽕품종 “寒盛뽕” 육성

한성뽕을 수원과 춘천 2개 지역에서 수행한 지역적응시험 결과, 수량성이 높고 엽질 등이 우수하여 1998년 장려품종으로 지정되었으며 그 주요 특성은 다음과 같다. 1. 백상형(Morus alba L.)에 속하는 품종으로 암나무이며, 수형은 직립성이고 용천뽕에 비하여 가지수와 평균가지 길이는 적고 짧으며 마디길이는 비슷하다. 2. 발아기는 중뽕이며, 잎의 크기는 중형으로 잎두께는 약간 두꺼우며 타원형이다. 3. 뽕 수량은 용천뽕보다 10% 많으며, 사료가치는 용천뽕보다 비교적 우량하다. 4. 뽕나무 오갈병 저항성은 보통이고 눈마름병, 줄기마름 병 및 축엽세균병은 개량뽕보다 약간 강하다. 5. 춘추잠기 겸용 큰누에용 뽕으로 전국에 재배할 수 있다.