Refining a method for ascospore viability testing in overwintering chasmothecia of Erysiphe necator.Published in:European Journal of Plant Pathology, 2016, v. 144, n. 4, p. 799, doi. 10.1007/s10658-015-0797-2By:Vági, Pál;Caffi, Tito;Váczy, Kálmán;Németh, Márk;Kiss, LeventePublication type:Article