Plant Disease (2019) 103, 3057-3064

De-Wei Li, Neil P. Schultes, James A. LaMondia and Richard S. Cowles (2019)
Phytophthora abietivora, a new species isolated from diseased Christmas trees in Connecticut, U.S.A.
Plant Disease 103 (12), 3057-3064
Abstract: A number of fir species (Abies) are produced as Christmas trees around the world. In particular, Fraser fir (Abies fraseri (Pursh) Poir.) is popular as it yields high-quality Christmas trees in temperate North America and Europe. A Phytophthora sp. causing root rot on Fraser fir was isolated from a Christmas tree farm in Connecticut, U.S.A., and found to be new to science according to morphological and molecular phylogenetic analysis using multilocus DNA sequences from ITS, Cox1, β-Tub, Nadh1, and Hsp90 loci. Thus, it was described and illustrated as Phytophthora abietivora. An informative Koch's postulates test revealed that P. abietivora was the pathogen causing root rot of Fraser fir.
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Database assignments for author(s): De-Wei Li, James A. LaMondia, Richard S. Cowles

Research topic(s) for pests/diseases/weeds:
general biology - morphology - evolution
identification/taxonomy

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Pest and/or beneficial records:

Beneficial	Pest/Disease/Weed	Crop/Product	Country	Quarant.
	Phytophthora abietivora	Fir (Abies)	U.S.A. (NE)