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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.
라이밀 葯培養에서 煎處理 條件이 캘러스 誘起에 미치는 影響
Kwang Geun Park(朴光根),Kyung Min Yoon(尹景民) 한국육종학회 1996 한국육종학회지 Vol.28 No.1
Improvement of triticale anther culture techniques is essential to develope new varieties in limited time. This study was carried out to increase the efficiency of anther culture for haploid breeding in triticale. Before explanting, each solution of 2, 4-D, GA₃ and EACA(E-Aminocaproic Acid) was injected into the sheath with spike. GA₃ was more effective for callus induction than others. Also, pretreatment of explants for 3 to 7 days at 5℃ in C17, B5 and MS liquid media were better for callus induction. The spikes were treated with mutagens, X-ray and EMS(Ethylmethanesulphonate), just before inoculating anthers on C17 medium. The rate of callus formation increased in the anthers treated with 50R and 100R of X-ray, and 0.05, 0.1 and 0.2M of EMS.