Germination Inhibition in Stigma Extracts of Tobacco and Identification of MeABA, ABA, and ABA-β-D-Glucopyranoside(Biological Chemistry)
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概要
- 論文の詳細を見る
Extracts of various flower tissues of tobacco with 70% methanol inhibited tobacco seed germination differently. Among them, extracts of stigma and anther were very inhibitory. When the extracts were partitioned between ethyl acetate and water, the activity of the ethyl acetate layer was stronger than that of the water layer. Stigmas and anthers had more abscisic acid (ABA) than the other floral tissues, which matched the results of the germination tests well. Guided by a bioassay using the inhibitory effects on tobaocco seed germination, MeABA, ABA, and ABA-β-D-glucopyranoside were isolated and identified from stigmas. All of the MeABA isolated did not seem to be an artefact produced by esterification with the solvent, for MeABA was detected even when stigmas were extracted with other solvents than methanol. MeABA and ABA did not inhibit tobacco pollen germination and elongation in vitro.
- 社団法人日本農芸化学会の論文
- 1986-09-23
著者
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Matsuzaki Toshiake
Central Research Institute Japan Tabacco Inc.
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Matsuzaki Toshiake
Central Research Institute The Japan Tobacco Inc.
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Koiwai Akira
Central Research Institute Japan Tabacco Inc.
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