Article ID Journal Published Year Pages File Type
4506073 Crop Protection 2013 8 Pages PDF
Abstract

•Field treatment of fungicides followed by storage treatment reduced potato dry rot.•Field applied biological controls followed by storage treatment reduced dry rot.•3-Way mixture of azoxystrobin/fludioxonil/difenoconazole reduced dry rot incidence.

The effects of fungicides and biofungicides applied as foliar sprays to potatoes during the growing season in combination with storage loading applications to control Fusarium dry rot in stored potato tubers were evaluated. The in-season treatments included in-furrow and foliar application of mefenoxam or phosphorous acid and foliar application of Bacillus subtilis. Storage treatments included phosphorous acid, B. subtilis and a 3-way mixture of azoxystrobin, fludioxonil and difenoconazole. The experiment utilized two storage temperatures, 10 °C (on cv. FL1879) and 4 °C (on cv. Goldrush). There was a significant interaction between field and storage treatment for Fusarium dry rot incidence. Field treatment with B. subtilis or mefenoxam followed by storage treatment with B. subtilis, the 3-way mixture of azoxystrobin, fludioxonil and difenoconazole or phosphorous acid resulted in reduced dry rot incidence. Field treatment strategies combined with storage applied fungicides and biofungicides were viable options for controlling dry rot incidence and could be adopted in potato production.

Related Topics
Life Sciences Agricultural and Biological Sciences Agronomy and Crop Science
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