Effects of Root Exudates of Cucumber (Cucumis sativus) and Allelochemicals on Ion Uptake by Cucumber Seedlings

@article{Yu1997EffectsOR,
  title={Effects of Root Exudates of Cucumber (Cucumis sativus) and Allelochemicals on Ion Uptake by Cucumber Seedlings},
  author={Jing Quan Yu and Yoshihisa Matsui},
  journal={Journal of Chemical Ecology},
  year={1997},
  volume={23},
  pages={817-827}
}
AbstractThe effects of root exudates of cucumber, aromatic carboxylic acids in root exudates, and their analogs upon the uptake of NO3, $$H_2 PO_4^ - $$ $$SO_4^{2 - } $$ K+, Ca2+, Mg2+, and Fe2+ by intact cucumber seedlings were examined. Root exudates inhibited the uptake of all the ions analyzed except for $$H_2 PO_4^ - $$ . Inhibition of ion uptake by cinnamic acid, a main component of root exudates, was both concentration- and pH-dependent. With decreasing pH, the inhibitory effect on… CONTINUE READING

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