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Resistance of Eight Different Clones of the Grape Cultivar Albariño to Plasmopara viticola

July 2004 , Volume 88 , Number  7
Pages  741 - 744

S. Boso , J. L. Santiago , and M. C. Martínez , Misión Biológica de Galicia (Consejo Superior de Investigaciones Científicas), Apartado de Correos 28, 36080 Pontevedra (Spain)

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Accepted for publication 15 March 2004.

Resistance to downy mildew (Plasmopara viticola) was studied in eight clones of the grape (Vitis vinifera) cultivar Albariño (confirmed as such by DNA and ampelographic analysis) growing at the Misión Biológica de Galicia, Spain. Resistance to downy mildew was quantified using an image processor. Some clones (CSIC-10 and CSIC-11) were more resistant than others to leaf infection by P. viticola. However, the susceptibility of grape clusters did not differ significantly among the clones.

Additional keywords: downy mildew resistance, image analysis, leaves

© 2004 The American Phytopathological Society