Summary
The 99 accessions of seven wild Lactuca species (L. serriola, L. saligna, L. virosa, L. viminea, L. perennis, L. tenerrima, L. tatarica) and Mycelis muralis (syn. L. muralis) were tested for natural infection of Erysiphe cichoracearum L. serriola accessions were highly susceptible. L. saligna showed highly variable levels of resistance. Other Lactuca species were mostly resistant or only moderately susceptible.
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Lebeda, A. Evaluation of wild Lactuca species for resistance of natural infection of powdery mildew (Erysiphe cichoracearum). Genet Resour Crop Evol 41, 55–57 (1994). https://doi.org/10.1007/BF00051424
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DOI: https://doi.org/10.1007/BF00051424