Sclerotinia sclerotiorum en plantas cultivadas e invasoras del sur pampeano y norte patagónico, Argentina

a report is given on plant hosts, distribution, damage and importance of sclerotinia sclerotiorum in the southern pampas region and northern patagonia (argentina). spontaneous infections were recorded on 25 plant species, including oil crops, vegetables, and ornamental and invasive plants. carduus thoermeri, xanthium cavanillesii, marrubium vulgare and ranunculus repens are new hosts of s. sclerotiorum. the records on helianthus tuberosus, diplotaxis tenuifolia and cucurbita pepo are new to argentina. sclerotinia sclerotiorum causes important damage on helianthus annuus, glycine max, apium graveolens, foeniculum vulgare and lactuca sativa. s. sclerotiorum is also reported on daucus carota, petroselinum crispum, brassica oleracea, b. rapa ssp. pekinensis, cucumis melo, cucurbita maxima, cucurbita moschata, cucurbita pepo, phaseolus vulgaris, pisum sativum, ocimum basilicum, solanum lycopersicum and solanum melongena.