Resistance of potato varieties to field populations of the potato cyst nematode Globodera pallida in the northeastern part of the Netherlands |
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| Authors: | A. M. Van Der Burgt H. J. Schouten A. Mulder |
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| Affiliation: | (1) DLO Centre for Plant Breeding and Reproduction Research (CPRO-DLO), P.O. Box 16, 6700 AA Wageningen, the Netherlands;(2) H.L. Hilbrands Laboratory for Soil-borne Pests and Diseases, P.O. Box 323, 9400 AH Assen, the Netherlands |
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| Abstract: | In the northeastern part of the Netherlands starch potatoes are grown intensively. From 392 fields in that area, soil samples that contained the potato cyst nematodeGlobodera pallida were used to analyze the resistance of 7 varieties of starch potatoes.Differences and similarities in resistance of the varieties to the field populations ofG. pallida could well be explained by their descent from distinct sources of resistance.TheG. pallida-populations that showed a relatively high virulence to the varieties Producent, Elles, and Darwina were not equally distributed over the area, but were confined to a small number of regions. |
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| Keywords: | geographic distribution virulence |
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