The effect of grapevine rootstock on the performance of vitis vinifera L. ( cv. colombard) on a relatively saline soil

Southey, J. M. ; Jooste, J . H. (1991)

CITATION: Southey, J. M. & Jooste, J . H. 1991. The effect of grapevine rootstock on the performance of vitis vinifera L. ( cv. colombard) on a relatively saline soil. South African Journal of Enology & Viticulture, 12(1):32-41, doi:10.21548/12-1-2222.

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Article

The performance of grapevine cv. Colom bard grafted onto 25 rootstocks (1045P, 1103P, 775P, 99R, (RY 13), 99R (RY 2), UOR, 140Ru, 143-B Mgt, 101-14 Mgt, Ramsey, 13-5 EVEX, Constantia Metallica, Jacquez, Grezot 1, 216/3 Castel and US hybrids, 1-6, 3-6, 4-4, 2-1, 24-41, 24-10, 35-1-15, 16-13-23, 16-13-26and12-6-8] on relatively saline soils was investigated for six years. The highest yields were obtained with 13-5 EVEX, Ramsey, 143-B Mgt, 1045P and 140 Ru, whereas the US hybrids generally performed poorly, particularly those with Jacquez in their parentage. At this early stage in the trial a highly positive correlation·between yield and cane mass was found. Although total soluble solids concentration and pH generally declined with increasing yield and cane mass, differences in grape ~omposition appeared to be largely the result of differences in actual maturity.

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