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Articles by Francois Halleen
5 articles — page 1 of 1
Understanding and controlling Phomopsis ('streepvlek') in Western Cape vineyards
The primary aim of this project was to identify the specific Diaporthe (= Phomopsis) species responsible for Phomopsis cane and leaf spot (‘streepvlek’) and to assess the efficacy of fungicides currently in use.
Petri disease - when and how do Western Cape vineyards get infected?
The aim of the current study was to identify Petri disease pathogen inoculum sources in vineyards and rootstock mother blocks and to determine if, and when, spores are released and whether spore release events coincide with susceptible periods in vineyards and mother blocks.
Eutypa-like fungi associated with grapevine cankers and dieback
PHOTO: Francois Halleen.
Feedback from the 11th International Workshop on Grapevine Trunk Diseases
The 11th International Workshop on Grapevine Trunk Diseases (IWGTD) was held in Penticton, British Columbia, Canada. This workshop hallmarked 20 years of resear
Esca in SA vineyards
Esca is a fairly unknown grapevine disease in South Africa, although the disease has probably existed locally for decades. This article discusses the causative