小麥鞘葉에 미치는 감마線의 影響

• 영문명: Effect of Gamma Irradiation on Wheat Coleoptile
• 발행기관: 한국육종학회
• 저자명: S. H. Kwon(權臣漢) K. H. Im(任建爀) H. W. Kim(金昊元) M. H. Heo(許萬浩)
• 간행물 정보: 『한국육종학회지』Vol.7 No.1, 35~39쪽, 전체 5쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 1975.04.30

영문 초록

Length of coleoptile, number of cells and cell length per vertical column in coleoptiles were observed in dormant seeds of three wheat varieties, Yuksung 3. 12 SE, and Young-Kwang, exposed to various doses of Co-60 gamma rays. Length of coleoptiles was significantly decreased with the increase of gamma ray doses up to 30kR, whereas it was not changed in higher doses over 30kR. Number of cells was also decreased inversely with radiation dose by 60 kR which may be due to suppression of cell division, however constant number of cells was observed in higher doses over 60 kR. Consequently, number of cells found at higher doses was considered as the basic number of cells formed already in embryo. From this point, it was concluded that growth of the coleoptile of seedlings from seeds irradiated with higher doses was dependent upon a elongation of a basic number of cells, even though suppression of cell division occurs by irradiation with high doses.

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