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RISS 인기검색어
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- 저자 : Chui Whan Kang(姜哲煥) (검색결과 2 건)
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참깨 開花ㆍ登熟에 關한 硏究11, 草型 別 發育에 따른 光合成 및 關聯 特性 差異
Chui Whan Kang(姜哲煥),Byung Chan Chung(鄭柄贊),Jung Sik Suh(徐貞植) 한국육종학회 1994 한국육종학회지 Vol.26 No.3
Studies were performed to investigate the difference in photosynthesis and related characteristics according to different plant types;growth stage and leaf position in sesame. Three different plant-type varieties were selected from Korean recommended sesame cultivars and used as materials. Average photosynthesis during whole growing period was 1.64 CO₂ ㎎/d㎡/hr. Few-branched type variety “Kwangsankkae” showed 2.006 CO₂ ㎎/d㎡/hr which was the highest one among three plant types. Upper part leaves at maturing stage showed the highest photosynthesis and the next followed with the order of middle part leaves at maturing stage;and leaves of seedling stage. Average chlorophyll content of single leaf through the whole growing period was 3.31 ㎎ per 100㎠ of leaf area(LA) and was highest in few-branched type variety “Kwangsankkae”. Upper part leaves at maturing stage showed the highest chlorophyll content of 4.39 ㎎/100 LA. Average area of single leaf through the whole growing period was 16.5㎠. Middle part leaves at maturing stage in branched type variety “Hansumkkae” showed the highest chlorophyll content among plant types and growing stages. Average specific leaf weight(SLW) during the growing period was 0.0033. The upper part leaves at maturing stage in branched type variety “Hansumkkae” revealed the heaviest one. Average specific leaf area(SLA) during whole growing period was 275 and was highest in the leaves of non-branohed type variety “Danbaeckkae” at seedling stage. Dry weight ratio;SLW and chlorophyll content were positively associated with photosynthesis;while leaf area;fresh and dry leaf weight were negatively correlated with photosynthesis.
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참깨의 種間雜種育成에 관한 硏究 Ⅰ. 참깨 野生種의 特性과 交雜親和性
Jung Il Lee(李正日),Bong Ho Lee(李奉鎬),Nak Sul Seong(成洛戌),Chui Whan Kang(姜哲煥) 한국육종학회 1990 한국육종학회지 Vol.22 No.4
To utilize wild alien gene sources for multi-resistance to several major diseases of sesame, two wild species, Sesamum alatum (2n=26) and S. radiatum (2n=64) were examined on the agronomical characters and cross affinities with cultivated species. S. radiatum showed perennial habit while S. alatum appeared on annual plant habitate like cultivated species. Both species are branched and late maturing with light grain weight. They were highly resistance to seedling blight, phytophthora blight, fusarium wilt and leaf blight. Their cross affinities with cultivated species were very high with bearing capsules from 8 to 70% in the almost all the crosses. However, those seeds were not germinated mainly due to immaturity. Therefore it may be necessary to rescue fertilized-embryos by in vitro technique.
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