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Chemical And Non-Chemical Control Of Potato Pink Rot, Xuemei (Missi) Zhang
Chemical And Non-Chemical Control Of Potato Pink Rot, Xuemei (Missi) Zhang
Electronic Theses and Dissertations
Pink rot of potato (Solanum tuberosum) is a widespread soilborne disease that causes significant losses in the field and storage. It is caused by Phytophthora erythroseptica (Pethybr.), an oomycete pathogen that produces sexual spores that can survive in soil for years. The management of pink rot mainly relies on chemical control. However, the most effective chemical in pink rot control, mefenoxam, is losing its efficacy owing to the development of mefenoxam resistance in P. erythroseptica. To evaluate alternative fungicides (including chemical and biological fungicides) to mefenoxam in pink rot control, two greenhouse experiments and three field trials …