A Guide to Grapevine Abnormalities in South Africa - P.G. GOUSSARD

2,4-D phytotoxicity.

PHOTO 490. A situation where Shiraz grapevines (end row) have been severely affected by spray-drift/ fumes of 2,4-D. In this example the spray-drift, which is able to reach far and wide, comes from an adjacent sports field, meaning that overdosing of the particular herbicide should be taken into account.

PHOTO 491. Severe phytotoxicity interventions in individual leaves of Shiraz grapevines as in Photo 490.

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