Crop rotation and genetic resistance reduce risk of damage from Fusarium wilt in lettuce

Jeness C. Scott; Thomas R. Gordon; Sharon C. Kirkpatrick; Steven T. Koike; Michael E. Matheron; Oswaldo E. Ochoa; Maria J. Truco; Richard W Michelmore

doi:10.3733/ca.v066n01p236

Crop rotation and genetic resistance reduce risk of damage from Fusarium wilt in lettuce

Jeness C. Scott, Thomas R. Gordon, Sharon C. Kirkpatrick, Steven T. Koike, Michael E. Matheron, Oswaldo E. Ochoa, Maria J. Truco, Richard W Michelmore

Medical Microbiology and Immunology

Research output: Contribution to journal › Article

15 Scopus citations

Abstract

Fusarium wilt of lettuce, caused by the soilborne fungus Fusarium oxysporum f. sp. lactucae, affects all major lettuce production areas in California and Arizona. In trials at UC Davis, we found that lettuce cultivars differ significantly in susceptibility to the disease, with some leaf and romaine types highly resistant under all test conditions. For more susceptible cultivars, disease severity is strongly influenced by inoculum levels and ambient temperature. Management of Fusarium wilt requires an integrated approach that includes crop rotation to reduce soil inoculum levels and the use of resistant cultivars during the warmest planting windows.

Original language	English (US)
Pages (from-to)	20-24
Number of pages	5
Journal	California Agriculture
Volume	66
Issue number	1
DOIs	https://doi.org/10.3733/ca.v066n01p236
State	Published - Jan 2012

ASJC Scopus subject areas

Agronomy and Crop Science
Plant Science
Forestry

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Scott, J. C., Gordon, T. R., Kirkpatrick, S. C., Koike, S. T., Matheron, M. E., Ochoa, O. E., Truco, M. J., & Michelmore, R. W. (2012). Crop rotation and genetic resistance reduce risk of damage from Fusarium wilt in lettuce. California Agriculture, 66(1), 20-24. https://doi.org/10.3733/ca.v066n01p236

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abstract = "Fusarium wilt of lettuce, caused by the soilborne fungus Fusarium oxysporum f. sp. lactucae, affects all major lettuce production areas in California and Arizona. In trials at UC Davis, we found that lettuce cultivars differ significantly in susceptibility to the disease, with some leaf and romaine types highly resistant under all test conditions. For more susceptible cultivars, disease severity is strongly influenced by inoculum levels and ambient temperature. Management of Fusarium wilt requires an integrated approach that includes crop rotation to reduce soil inoculum levels and the use of resistant cultivars during the warmest planting windows.",

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