Phytophthora cryptogea ( )
Phytophthora cryptogea
black neck of chrysanthemumblightcollar rotcorm, stem and leaf rot of gloxiniacrown rotdamping offdamping-offdamping-offdie-backfoot rot of ornamentalsfoot rot of tomatogerbera foot rotornamentals foot rotpink rot of potatoroot rotstem rottrunk cankertrunk rottulip shankingwilt
Widespread however less concentration in the midwest states
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Phytophthora cryptogea has a wide host range, reported to have over 140 hosts in approximately 50 plant families with the main being in floriculture crops.
Phytophthora cryptogea is a soil-borne fungus that can cause root and crown rot in numerous plants, it also exists in nature as a saprobic fresh-water fungus. P. cryptogea has the ability to colonize dead organic matter in the soil persisting for several years in the absence of a suitable host. Seed is not a known to be a pathway. Irrigation systems should be monitored to prevent spread.