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

Virus associated phenomenon (1); thickened graft union (2).

REFERENCES

Winkler, A.J., Cook, J.A., Kliewer, W.M. & Lider, L.A., 1974. Cultivation, chemical weed control and erosion control. In: General Viticulture. University of California Press, Berkeley, Los Angeles and London. pp. 371 384. Winkler, A.J., Cook, J.A., Kliewer, W.M. & Lider, L.A., 1974. Fertilizer elements required by the vine. In: Gen- eral Viticulture. University of California Press, Berkeley, Los Angeles and London. pp. 410 - 438. Winkler, A.J., Cook, J.A., Kliewer, W.M. & Lider, L.A., 1974. Grape diseases and disorders. In: General Viticul- ture. University of California Press, Berkeley, Los Angeles and London. pp. 439 - 502. Winkler, A.J., Cook, J.A., Kliewer, W.M. & Lider, L.A., 1974. Grape pests. In: General Viticulture. University of California Press, Berkeley, Los Angeles and London. pp. 503 - 555. Z Zeeman, A.S. & Archer, E., 1981. Stokontwikkeling, wintersnoei en somerbehandeling. In: Burger, J. & Deist, J. (eds). Wingerdbou in Suid-Afrika. Trio-Rand/SA Litho, N’dabeni. pp. 202 - 233.

W Wachtel, M.F., 1998. Diseases and Pests. In: Nicholas, P., Magarey, P. & Wachtel, M. (eds). Grape Production Series, No. 1. Winetitles, P.O. Box 1140, Marleston SA 5033, Australia. 106 pp. Walker, G.E., 1998. Diseases and Pests. In: Nicholas, P., Magarey, P. & Wachtel, M. (eds). Grape Production Series, No. 1. Winetitles, P.O. Box 1140, Marleston SA 5033, Australia. 106 pp. Walton, V.M., Pringle, K.L. & Daane, K.M., 2003. Geïn- tegreerde beheer van wingerdwitluis ( Planococcus ficus ) met behulp van feromoonvalletjies in wingerde in Suid- Afrika. Wynboer 168, 79 - 80. Wicks, T.J., 1998. Diseases and Pests. In: Nicholas, P., Magarey, P. & Wachtel, M. (eds). Grape Production Series, No. 1. Winetitles, P.O. Box 1140, Marleston SA 5033, Australia. 106 pp. Winkler, A.J., Cook, J.A., Kliewer, W.M. & Lider, L.A., 1974. Training young vines. In: General Viticulture. Uni- versity of California Press, Berkeley, Los Angeles and London. pp. 272 - 286.

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