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首页> 外文期刊>Journal of Chemical Ecology >Plant Growth Inhibiting Flavonoids in Exudate of Cistus ladanifer and in Associated Soils
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Plant Growth Inhibiting Flavonoids in Exudate of Cistus ladanifer and in Associated Soils

机译:水飞蓟和相关土壤中的植物生长抑制类黄酮

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摘要

Of the aglycone flavonoids identified in the exudate of cistus ladanifer, two, the flavone apigenin-4′-(O)-methyl and the flavonol kaempferol-3,7-di(O)-methyl inhibit development of the seedlings of Rumex crispus at 0.5 and 1 mM. Additive effects were observed between the major flavonols of the exudate kaempferol-3-(O)-methyl and kaempferol-3,7-di-(O)-methyl in inhibiting the size of the cotyledons and delaying the germination and cotyledon emergence. The presence of apigenin-4′-(O)-methyl, kaempferol3,7-di-(O)-methyl, and kaempferol-3-(O)-methyl was detected in the soils associated with C. ladanifer during the summer and autumn months. That these compounds are present in the soil and are not restricted to the leaves provides support for the hypothesis that C. ladanifer has allelopathic potential.
机译:在淡水cistus渗出液中鉴定出的糖苷类黄酮中,黄酮芹菜素-4'-(O)-甲基和黄酮醇kaempferol-3,7-di(O)-甲基中的两种抑制了Rumex crispus幼苗的生长。 0.5和1 mM。观察到渗出的kaempferol-3-(O)-甲基的主要黄酮醇和kaempferol-3,7-di-(O)-甲基的主要黄酮醇在抑制子叶的大小和延迟发芽和子叶的出现之间具有累加作用。在夏季和夏季,在与C. ladanifer相关的土壤中检测到芹菜素-4'-(O)-甲基,kaempferol3,7-di-(O)-甲基和kaempferol-3-(O)-甲基的存在。秋天的几个月。这些化合物存在于土壤中并且不限于叶片,这为拉美梭菌具有化感潜力的假设提供了支持。

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