放射線 및 藥品處理時의 諸要因이 벼의 M₁世代에 미치는 影響

• 영문명: Effects of Modifying Factors in Irradiation of Rice Seeds and Conditions in Chemical Treatment
• 발행기관: 한국육종학회
• 저자명: C. Harn(韓昶烈) Y. I. Rhee(李榮日)
• 간행물 정보: 『한국육종학회지』Vol.5 No.1, 17~20쪽, 전체 4쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1973.06.30

영문 초록

Present experiments were attempted to clarify the effects of modifying factors such as seed water content and oxygen in the X-rayed rice seed, and treatment of seed with ethylene imine under varying conditions, in terms of the influences on the biological injuries in M₁generation. 1. In radiosensitivities of varying seed water contents from 5.6 to 13.1%, the sensitivity was increased at 5.6% of water content, but decreased at 13.1%. 2. In X-ray treatment of seed the effect of oxygen was clearly observed when the seed water content was 5.6~9.7%, but this kind of effect was hardly recognizable in seed of higher water content. 3. In the treatment of seed with ethylene imine, the differences in growth injury due to concentrations was not clear when treated for two hours, but when the duration extends over four hours, the growth damage conspicuously increased with the increment of concentrations. 4. In the ethylene imine treatment no substantive injury was observed at 0~10℃, but at temperature over 10℃ injury incresed drastically.

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