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연구논문 : 자연과학 ; 바이오에탄올 생산 유망작물 단수수 유전자원의 특성
박광근 ( Kwang Geun Park ) 한국국제농업개발학회 2012 韓國國際農業開發學會誌 Vol.24 No.1
Major characters of 100 sweet sorghum germplasms which had been collected from foreign countries were investigated to study the possibility of bioethanol production by sweet sorghum cultivation and select excellent varieties in Korea. Averages of culm length, ear length, the number of nodes, stem diameter, fresh weight yield, and growth duration from seeding to heading were 217 cm, 23 cm, 10.5, 17 mm, 36 t ha-1, and 71 days, respectively. Sugar content, which has a great effect on bioethanol, ranged from 3.8 to 20.8 Brix (average 12.5 Brix). Sugar contents of selected two varieties were more than 20 Brix. Dry weight yield ranged from 1 to 44 t ha-1 (average 10 t ha-1). Dry weight yields of selected three varieties were more than 30 t ha-1. Culm length showed highly significant positive correlation with the number of nodes, stem diameter, fresh weight yield, dry weight yield, and growth duration from seeding to heading. Sugar content showed highly significant positive correlation with growth duration from seeding to heading. The number of nodes showed highly significant positive correlation with culm length, stem diameter, fresh weight yield, dry weight yield, and growth duration from seeding to heading. Growth duration from seeding to heading showed highly significant positive correlation with all the characters except ear length.
호밀 染色體를 添加한 밀의 染色體 變異 및 作物學的 特性
Kwang Geun Park(朴光根),Wan Shik Ahn(安完植),Han Sun Hur(許翰淳) 한국육종학회 1989 한국육종학회지 Vol.21 No.2
This study was conducted to introduce the useful agronomic characteristics of rye into wheat. Primary triticale was obtained from a intergeneric hybridization between Triticum aestivum cv. Chugoku 81 and Secale cereale cv. Kyeonggi Jaerae. The somatic chromosome numbers of BC² F₁ populations which backcrossed with wheat two times to the primary triticale were ranged from 35 to 47. Rye chromosome di-addition wheat lines appeared the percentage of 3. 6 after the spontaneous selfing of mono-addition wheat lines and only 12. 7 percentages of these di-addition lines maintained same chromosome number to the next generation. The added rye chromosomes in pollen mother cell were easily eliminated during the meiosis. Rye chromosome addition wheat lines showed no distinct differences in morphology in comparison to wheat. It was considered that one rye chromosome, either mono or di-addtion, could not much effects to wheat phenotype.