Chin J Plan Ecolo ›› 2009, Vol. 33 ›› Issue (3): 607-616.doi: 10.3773/j.issn.1005-264x.2009.03.020

• Review • Previous Articles     Next Articles

REVIEW OF RESEARCH ADVANCEMENTS ON SEED GERMINATION STIMULANTS OF ROOT PARASITIC PLANTS

ZHOU Feng; CHEN Jun*; XU Rong; YU Jing   

  1. Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medicinal College, Beijing 100193, China
  • Online:2009-05-31 Published:2009-05-31
  • Contact: CHEN Jun

Abstract: Root parasitic plants are a class of special angiosperms that obtain water and nutrients by attaching to the root of a host plant. Their seed germination requires induction of germination stimulants from the host. This review focuses on the distinctive characteristics of seed germination of root parasitic plants and signals known to stimulate this course, as well as their regulation mechanism and biosynthesis pathway. We detail the recognition mechanism between seed and stimulants and the function of signals in establishing the parasitic relationship between root parasitic plants or arbuscular mycorrhizal fungi and hosts. We also discuss present research problems and reflect on the future of this field.

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