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자운영의 生育 및 成分에 미치는 지베레린의 影響

EFFECT OF GIBBERELLIN ON THE GROWTH AND INTERNAL COMPONENTS OF ASTRAGALUS SINICUS L.

한국식물학회지 1962년 5권 4호 p.1 ~ 5
Cha Jong-Whan,
소속 상세정보
 ( Cha Jong-Whan ) - Seoul National University College of Educationn Deptarment of Biology

Abstract


CHA, Jong Whan (Dept. of Biology, College of Education, Seoul National University.) Effect of gibberellin on the growth and internal components of Astragalus sinicus L. Kor. Jour. Bot. V(4) : 1-5, 1962.
The effect of GA on the growth as well as on the internal components of the leaves of Astragalus sinicus L. under the soil culture was investigated. The result has indicated that small variation in the relative concentration of GA treated on the leaves shows a marked influence on the internal components of the plants. The increse of growth was associated with increasing intensity of GA. Chlorophyll and carotene contents in the leaves were depressed with increasing concentration of GA. It was noticed that the growth was promoted with the decrease of the contents of chlorophyll and carotene. In contrast the ascorbic acid in the leaves treated with GA decreased in proportion to the degree of the concentration of GA. Carotene content varied with chlorophyll, although the ratio of chlorophyll to carotene was not so high as the results obtained by Beck and Redman^(1). Chlorophyll and ascorbic acid values with respect to growth differed greatly during the two experimental periods. The chlorophyll content was found highly significant in this experiment. As the concentration of GA was increased, it was noticed that there was a reduction of anthocyanin, sucrose, and reducing sugar contents. The anthocyanin content was not so high in this study as in the results obtained from the corn by Jacob Straus^(6).

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