ISHS Acta Horticulturae 617: Workshop on Rootstocks' Performance in Phylloxera Infested Vineyards
IN VITRO STUDIES ON GRAPE PHYLLOXERA PERFORMANCE ON VITIS SPP. |
| Authors: | B. Fader, A. Forneck, M.A. Walker, R. Blaich |
| Keywords: | aphids, rootstock, adaptation, intrinsic rate of increase, host plant |
| Abstract:
The performance of root-feeding phylloxera on the rootstock 5C was compared to four other Vitis hosts. Adaptation was studied measuring the intrinsic rate of increase (rm). The results of ANOVA showed that the values of rm depend significantly on the host plant. Two phylloxera populations were able to adapt on the rootstock 5C. Cabernet Sauvignon was not an optimal host for the phylloxera populations tested. | |
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