Kinetics Studies on the Photoinduction of Xanthium strumarium L. and Isolation of a Flower Primordia Growth-Regulating Fraction

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概要

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• The kinetics of flower primordia formation have been re-examined in photoinduced Xanthium strumarium L. to determine the number of short-day treatments that promote optimum primordia initiation and development. Plants given 4 short-day cycles showed the highest rate of primordia development. Attempts were made to isolate flower-promoting substance(s) from the young leaves of such optimally induced plants by methanol extraction followed by ether fractionation. A Xanthium bioassay was developed for testing the flower-promoting activity of aqueous concentrates obtained from the acidic, neutral-basic and total ether extracts. No flower-primordia inducing activity was found in any of the fractions, but growth-accelerating activity on young primordia was shown by substance(s) present in the combined neutral-basic fraction isolated from photoinduced leaves.

• 日本植物生理学会の論文

著者

• Wightman Frank

  Department Of Biology Carleton University

• Pare J.R.Jocelyn

  Agriculture Canada, Centre de Recherche et de Development sur les Aliments

• ApSimon John

  Department of Chemistry, Carleton University

• Apsimon John

  Department Of Chemistry Carleton University

• Pare J.r.jocelyn

  Agriculture Canada Centre De Recherche Et De Development Sur Les Aliments

関連論文

• Kinetics Studies on the Photoinduction of Xanthium strumarium L. and Isolation of a Flower Primordia Growth-Regulating Fraction

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