%0 Generic %A Frost, D %A Clarke, A %D 2005 %F orgprints:10843 %K potato, blight, Phytophthora infestans, resistance, Sarpo, cultivars %T Potato Blight (Phytophthora infestans) field demonstrations, 2004 %U http://orgprints.org/10843/ %X The results are presented of a trial of 28 potato varieties, including 19 blight-resistant Sarpo varieties, at Llanrhystud in Ceredigion. The effects of compost tea preparations in protecting against blight were also studied.