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peer-reviewed research article

Deep plowing exacerbates lettuce drop in Salinas Valley

authors

Krishna V. Subbarao, UCCE Monterey County
Steven T. Koike, UC Davis
Judith C. Hubbard, UC Davis

publication information

California Agriculture 50(5):30-33. DOI: 10.3733/ca.v050n05p30. September-October 1996.

abstract

Deep plowing is unlikely to be a successful disease management strategy for lettuce drop in the high-inoculum-density fields of the Salinas Valley. Research shows that the deep-plowing procedure may change the distribution of soilborne sclerotia, ultimately resulting in higher disease incidence.

author affiliations

S.T. Koike is Plant Pathology Farm Advisor, UCCE Monterey County; K.V. Subbarao is Associate Plant Pathologist/CE Specialist, Department of Plant Pathology, UC Davis; J.C. Hubbard is Postgraduate Researcher, Department of Plant Pathology, UC Davis, located at the USD A Agricultural Research Station, Salinas;

author notes

This research was supported in part by the California Iceberg Lettuce Research Advisory Board. We gratefully acknowledge D'Arrigo Bros. for providing the field site for our data collection. We appreciate the assistance of A. Chassot, S. Dacuyan, T. Gonzales, J.J. Rao, R. Gutierrez, A. Lewis and E. Oakes.


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