Studies on germination of chrysanthemum pollen II. Occurrence of a germination promoting substance

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概要

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• The in vitro germination of chrysanthemum pollen is promoted by adding floral organs, excepting anther, to a basal medium consisting of sucrose and boric acid. Some other plant organs, such as young fruit of tomato and onion bulb, are also effective. In Chrysanthemum morifolium, the percentage of pollen germination in the presence of such plant tissues is two to three times as high as in the control (10%). In Ch. leucanthemum, it is higher than 50%, in contrast to the control in which no germination is noted. This promotion of germination may be due to a substance extractable from the tissues with water, ether or methanol. The promoting substance is not identical with several known growth regulators or with the Ca ion.

• 日本植物生理学会の論文

著者

• Tsukamoto Yotaro

  Laboraiory Of Horticulture (olericulture And Floriculture) College Of Agriculture Kyoto University

• Matsubara Sachiko

  Laboratory Of Olericulture And Floriculture Kyoto University

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• Studies on germination of chrysanthemum pollen II. Occurrence of a germination promoting substance

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