Journal
ANNUAL REVIEW OF PHYTOPATHOLOGY, VOL 52
Volume 52, Issue -, Pages 45-68Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-phyto-102313-050222
Keywords
mycovirus; hypovirulence; biological control; crop fungal diseases; fungal plant pathogen
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Mycoviruses are viruses that infect fungi. A growing number of novel mycoviruses have expanded our knowledge of virology, particularly in taxonomy, ecology, and evolution. Recent progress in the study of mycoviruses has comprehensively improved our understanding of the properties of mycoviruses and has strengthened our confidence to explore hypovirulence-associated mycoviruses that control crop diseases. In this review, the advantages of using hypovirulence-associated mycoviruses to control crop diseases are discussed, and, as an example, the potential for Sclerotinia sclerotiorum hypovirulence-associated DNA virus 1 (SsHADV-1) to control the stem rot of rapeseed (Brassica napus) is also introduced. Fungal vegetative incompatibility is likely to be the key factor that limits the wide utilization of mycoviruses to control crop diseases; however, there are suggested strategies for resolving this problem.
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