Abstract:This work aimed to evaluate the potassium phosphite-based commercial product, Phytogard®, as a complementary tool for the management of gummosis in citrus. Seedlings of tangerine ‘Sunki’ were sprayed at concentrations 0; 0.5; 2 and 5 mL L-1 of Phytogard® and subsequently inoculated with zoospores of Phytophthora nicotianae. The disease incidence was reduced by 84% in plants sprayed at the concentration 0.5 mL L-1 and the plants sprayed at concentrations of 2 and 5 mL L-1 showed zero disease incidence. There wa… Show more
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