| 英文摘要 |
A red pigment extracted from male gametophytes of Equisetum arvense and E. hyemale and from young vegetative stems of E. arvense and overwintering stems of E. kyemale was identified as a carotenoid similiar to but not identical with rhodoxanthin. Its specific occurrence in the gametophyte generation accompanying antheridial formation suggests a relationship between carotenoids and reproduction, a relationship also apparent in other groups of organisms but not yet elucidated. |
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