Letter | Published:

Occurrence and Dispersal of Verticillium Conidia in Xylem Sap of the Hop (Humulus lupulus L.)

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Abstract

DURING investigations on the rate of colonization of wilt-sensitive and wilt-tolerant hop varieties by mild and virulent hop isolates of Verticillium albo-atrum Reinke and Berthold, conidia were found to be abundant in the xylem vessels of stems, and appeared to play an important part in the migration of the fungus in the hop plant.

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