Plant Disease (2019) 103, p. 587 (Garcia-Ruiz et al.)

M.T. García-Ruiz, N.G. Galicia-Buendia, S.G. Leyva-Mir, K.C. Correia, E.H. Nieto-López, M. Camacho-Tapia and J.M. Tovar-Pedraza (2019)
First report of powdery mildew of European plum caused by Podosphaera tridactyla in Mexico
Plant Disease 103 (3), 587-587
Abstract: During 2016 and 2017, European plum trees (Prunus domestica) grown in Mexico were observed with severe symptoms of powdery mildew. On young and mature fruit, circular spots of white fungal growth were present, and necrotic areas and scabby appearance occurred 10 to 15 days after first symptoms. Symptoms and signs were not often observed on leaves. The fungus Podosphaera tridactyla was isolated from the diseased plants. The identification was based on morphological characteristics and DNA sequence analysis. Pathogenicity of the isolates was demonstrated by inoculation and re-isolation.
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Database assignments for author(s): Juan Manuel Tovar-Pedraza

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Podosphaera tridactyla	Plum/prune (Prunus domestica)	Mexico