title: Strigolactones as germination stimulants for root parasitic plants.
abstract: Witchweeds (Striga spp.) and broomrapes (Orobanche and Phelipanche spp.) are the two most devastating root parasitic plants belonging to the family Orobanchaceae and are causing enormous crop losses throughout the world. Seeds of these root parasites will not germinate unless they are exposed to chemical stimuli, 'germination stimulants' produced by and released from plant roots. Most of the germination stimulants identified so far are strigolactones (SLs), which also function as host recognition signals for arbuscular mycorrhizal fungi and a novel class of plant hormones inhibiting shoot branching. In this review, we focus on SLs as germination stimulants for root parasitic plants. In addition, we discuss how quantitative and qualitative differences in SL exudation among sorghum cultivars influence their susceptibility to Striga.
authors.affiliation: Weed Science Center, Utsunomiya University, 350 Mine-machi, Utsunomiya, 321-8505 Japan. yoneyama@cc.utsunomiya-u.ac.jp
authors.forename: Koichi
authors.initials: K
authors.lastname: Yoneyama
authors.forename: Ayman A
authors.initials: AA
authors.lastname: Awad
authors.forename: Xiaonan
authors.initials: X
authors.lastname: Xie
authors.forename: Kaori
authors.initials: K
authors.lastname: Yoneyama
authors.forename: Yasutomo
authors.initials: Y
authors.lastname: Takeuchi
mesh_terms: D018525:Germination / Q000187:drug effects*; D007783:Lactones / Q000494:pharmacology*; D031670:Orobanchaceae / Q000187:drug effects*; D010937:Plant Growth Regulators / Q000378:metabolism / Q000494:pharmacology*; D018517:Plant Roots / Q000469:parasitology*; D045868:Sorghum / Q000378:metabolism / Q000469:parasitology
chemical_list: D007783:Lactones; D010937:Plant Growth Regulators
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