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Results for “pathogenicity”
Showing 1–7 of 7 results
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Entomopathogenic fungi mortality on grapevine mealybug
Global demand for environmentally friendly grapevine cultivation and pest control has necessitated an improved understanding of naturally occurring antagonists
By Kwaku Achiano · 4 min read
Rugose wood diseases and associated viruses
A potential threat to vineyards and an unexplored, fascinating subject for scientific study.
By Dariusz Goszczynski · 12 min read
Grapevine rupestris stem pitting-associated virus
The most prevalent in vineyards and well characterised molecularly, but still relatively unknown.
By Dariusz Goszczynski · 8 min read
Eutypa-like fungi associated with grapevine cankers and dieback
PHOTO: Francois Halleen.
By Providence Moyo and Lizel Mostert and Francois Halleen · 7 min read
An overview on the genetic and biological variability of viruses in vineyards
Substantial input of two South African laboratories to worldwide knowledge.
By Dariusz Goszczynski · 14 min read
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.
By Francois Halleen, Annabella Baloyi & Lizel Mostert · 8 min read
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.
By Lucinda Heyns, Palesa Lebenya, Lizel Mostert & Francois Halleen · 6 min read
