Penetration and colonization of unwounded maize tissues by the maize anthracnose pathogen Colletotrichum graminicola and the related nonpathogen C. sublineolum.

Abstract

The maize anthracnose stalk-rot fungus Colletotrichum graminicola infects its host primarily through wounds in the stalks that are caused by insects. However it also can cause stalk-rot disease without wounding. It is not known how the pathogen enters stalks in the absence of wounds. Studies have suggested that direct invasion through the highly lignified… (More)

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