Orchidaceae is one of the smallest seed types in angiosperms,with only one small and undeveloped embryo without endosperm.Orchidaceae is highly dependent on symbiotic fungi throughout its life cycle,especial-ly in the early stage when nutrient resources are scarce.The mycorrhizal symbiosis between symbiotic fungi and Orchidaceae provides essential nutrients for seed germination,protocorm growth and development,seedling differ-entiation and adult plant growth.The paper reviewed the research process and profile,mycorrhizal interaction rela-tionship,diversity and specificity,growth-promoting effect and application prospect of symbiotic fungi in Orchi-daceae.And based on this,to provide reference for the conservation and development of wild Orchidaceae re-sources,artificial cultivation and production,as well as the research and development of biocontrol fungi and fun-gal fertilizer.
OrchidaceaeSymbiotic fungiDiversity and specificityGrowth-promoting effect
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