Evaluation of downy mildew resistance in various accessions of wild <i>Vitis</i> species

Authors

  • G. Staudt
  • H. Kassemeyer

DOI:

https://doi.org/10.5073/vitis.1995.34.225-228

Keywords:

downy mildew, Plasmopara viticola, resistance, grape breeding, Vitis species

Abstract

107 accessions of 21 species from America and East Asia were investigated for resistance to downy mildew, Plasmopara viticola, by the leaf disc test. The species, Vitis rotundifolia, munsoniana and yenshanensis showed resistance in all accessions investigated (rating 1.0). Vitis cinerea, palmata and shuttleworthii can be rated as moderate resistant (rating 1.1 - 1.9). In V. candicans, doaniana, piasezkii, riparia, rubra and tiliifolia resistant as well as susceptible accessions were observed. In V. acerifolia, aestivalis, amurensis, champinii lanata, rupestris, solonis, vinifera and vulpina all accessions showed susceptibility to the fungus, the rating varied from 1.1 to 7.2.

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Published

2015-08-14

Issue

Vol. 34 No. 4 (1995): Vitis

Section

Article

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