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

Phylloxera.

PHOTO 276. A grotesque onslaught is made on this young root by a high phylloxera population. Also note the incidence of numerous fertile eggs – as produced by females without prior mating.

PHOTO 277. Watery ripening – as with grapevines of which the roots have been affected by phylloxera – may occur. Note that such situations cannot be exclusively attributed to phylloxera until thorough root and soil analyses have been done.

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