Avanços na ciência e tecnologia agrícola

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Peronospora sp. Growing on Polylepis racemosa (Rosaceae) in the Andean Highlands of Cochabamba, Bolivia

Coca Morante M

Polylepis spp. are native forest plants of the Andean region of Bolivia. In 2015, Peronospora sp. was reported on some Polylepis plants in the Pajchanti locality. Earlier, in 2009, Polylepis racemosa plants growing in the Palca locality were reported affected by a leaf spot disease. The leaves were chlorotic and their undersides whitish-grey in color. Observation under the microscope revealed conidiophores and conidia matching the descriptions of both the P. sparsa and the P. oblatispora group.