期刊
PLANT AND CELL PHYSIOLOGY
卷 51, 期 7, 页码 1095-1103出版社
OXFORD UNIV PRESS
DOI: 10.1093/pcp/pcq055
关键词
Germination stimulant; Orobanche; Phelipanche; Root parasitic plants; Striga; Strigolactone
资金
- Japan Society for the Promotion of Science [18208010, 2109111]
- Program for Promotion of Basic and Applied Researches for Innovations in Bio-oriented Industry
- Grants-in-Aid for Scientific Research [18208010] Funding Source: KAKEN
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.
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