Variation in Virulence of Plasmodiophora brassicae in Japan Tested with Clubroot-resistant Cultivars of Chinese Cabbage (Brassica rapa L. ssp. pekinensis)
摘要: The differential hosts of Williams (1966) and the European Clubroot Differential (ECD)(Buczacki et al., 1975) have been used commonly to identify populations of …