ハマスゲ塊茎の発芽におけるポリフェノール成分の役割

概要

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This experiments was carried out to investigate the physiological function of polyphenolic substances in the germination of purple nutsedge (Cyperus rotundus L.) tubers. The results are summarizecl as follows: (1) The germination percentage in dormant five tubers connected by rhizomes was less than that in dormant single tubers separated from rhizomes. Twenty-one days after the. incubation, the germination percentage of each tubers in a chain of five tubers and separated single tubers was 62 and 93 %, respectively. (2) When dormant tubers were separated from the rhizome, in which certain tubers had been germinated after incubation for 14 days, and were incubated, almost all of the former germinated. (3) Polyphenols were found low in concentration in the mature tubers and high in the immature tubers. In young immature tubers with high concentration of polyphenolic substances the percentage of germination was lower than that in mature tubers with low concentration both in the five-chained tubers. (4) There is a correlation between the percentage of germination of the five-chained tubers and their polyphenol content. The correlation coefficients between the percentage of germination and each of catechol tannin, flavanol tannin and chlorogenic acid contents were -0.756, -0.708 and -0.673, respectively. On the contrary, the correlations was low in single tubers.
日本雑草学会の論文
1977-12-25