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Chang Soon Ahn(安獎,淳),Kyung Soo Min(閔庚洙),Soon Ju Chung(鄭淳柱),Gap Cheon Koh(高甲千),Sok Hoon Park(朴錫勳) 한국육종학회 1986 한국육종학회지 Vol.18 No.4
Interspecific crosses between adzuki bean(Vigna angularis) and rice bean(V.umbellata) were made with six adzuki bean cultivars and five rice bean lines in order to determine the barriers to hybridization, and to assess the possibility of overcoming the barriers. There was apparently no pre-zygotic barrier between the two species as shown by normal pod set from the crosses in both directions. The pods, however, dried prematurely at early or later stage of development. Hybrid plants were secured in vitro culture of embryos from all the genotypic cross combinations of the two species, but only when rice bean was used as female parents. The F₁ plants were highly fertile to produce normal viable seeds from self pollination. Crossability of the interspecific derivatives with different local cultivars or lines of adzuki bean or rice bean clearly demonstrated that the major reproductive barrier between the species is the physiological post-zygotic embryo abortion and further genetic barriers, if present, may not be strong enough to completely restrict gene flow over species. Therfore, once hybrid plants secured by embryo culture, it would be highly possible to incorporate the desired characteristics of rice bean into adzuki bean cultivars by conventional breeding procedures.
조광식(Kwang-Sik Cho),강삼석(Sam-Seok Kang),손동수(Dong-Soo Son),정상복(Sang-Bouk Jeong),송장훈(Jang-Hoon Song),김윤정(Yoon-Kyeong Kim),김명수(Myung-Su Kim),홍경희(Kyung-Hui Hong),조현모(Hyeon-Mo Cho),고갑천(Gap Cheon Koh) 한국원예학회 2007 원예과학기술지 Vol.25 No.2
‘진황’은 농촌진흥청 원예연구소 배시험장에서 1983년 ‘단배’의 품질을 개선하기 위해 ‘행수’를 교배하여 1994년부터 1차 선발하고, 2004년 최종 선발하여 명명되었다. 수세는 비교적 강하고, 수자는 반개장성이다. 꽃가루가 풍부하며, 자가불화합 유전자형은 S₃S₄로 추정되었다. 따라서 주요재배품종인 ‘신고’, ‘화산’, ‘원황’ 등과 교배친화성을 보인다. 또한 흑반병에 대하여 강한 포장저항성을 나타내었다. 숙기는 재배중인 ‘원황’보다 약 5일 정도 늦은 9월 4일로 추석에 출하하기 알맞은 품종이다. 과육선숙형 품종으로 원예적 수확기에도 과피에 녹색이 남지만, 완숙과가 되면 황갈색으로 착색된다. 과중은 501g이고, 당도는 13.1°Bx이다. 육질은 유연하며 과즙이 풍부하고, 석세포가 없어 식미가 매우 우수하다. 상온저장 기간은 10일 정도이다. ‘Jinhwang’ pear cultivar (Pyrus pyrifolia Nakai) originated from the cross between ‘Danbae’ and ‘Kosui’ to improve the fruit quality of ‘Danbae’ in 1982 at Pear Experiment Station of National Horticultural Research Institute, Rural Development Administration Korea. ‘Jinhwang’ was preliminarily selected in 1994 and named in 2004. The tree habit shows vigorous growth and upright spreading. The genotype of self-incompatibility is inferred to S₃S₄ with abundant pollen grains. Therefore, this cultivar is cross compatible with major cultivars those are ‘Niitaka’, ‘Whasan’, ‘Wonhwang’, and so on in Korea. ‘Jinhwang’ is highly resistant to black leaf spot (Alternaria kikuchiana) in the field condition. The optimum harvesting time in Naju Korea is on September 4<SUP>th</SUP> when is the one of the largest pear consuming season of Chuseok holidays and when is 5 days later than that of ‘Wonwhang’. The soft and juicy flesh is rendering good eating quality. Shelf life is about 10 days under the ambient temperature. The fruit skin color is green yellowish brown at normal harvesting time and gradually turns to yellowish brown at full ripening stage. The average of fruit weight is 501 g, and the content of soluble solid is 13.1 °Bx.