Ferreira, J. and van Zyl, F. 2017. Susceptibility of Grape-vine Rootstocks to Strains of Agro bacterium tumef aciens biovar 3. South African Journal of Enology and Viticulture. 7, 2 (May 2017), 101–104. DOI:https://doi.org/10.21548/7-2-2334.