Plant Pathology (2001) 50, 90-96

A.M. Vettraino, G. Natili, N. Anselmi and A. Vannini (2001)
Recovery and pathogenicity of Phytophthora species associated with a resurgence of ink disease in Castanea sativa in Italy
Plant Pathology 50 (1), 90-96
Abstract: Three species of Phytophthora, P. cambivora, P. citricola and P. cactorum, were found to be associated with a recent outbreak of ink disease causing high mortality of chestnut trees in central Italy. Phytophthora cambivora was isolated from 11·6% of the soil samples taken around symptomatic trees, and was mainly associated with heavily diseased trees. It was the most aggressive species to Castanea sativa, but survived poorly in the soil. Phytophthora citricola and P. cactorum showed a limited ability to induce disease on chestnut, but could be recovered from soil during most of the year. A fourth species, P. gonapodyides, was recovered only from mud of stream beds within the chestnut stands. Involvement of these species in the development of disease is discussed.
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Database assignments for author(s): Anna Maria Vettraino, Andrea Vannini, Naldo Anselmi

Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology
general biology - morphology - evolution

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Phytophthora cactorum	Chestnut (Castanea)	Italy
	Phytophthora citricola	Chestnut (Castanea)	Italy
	Phytophthora cambivora	Chestnut (Castanea)	Italy