Winter Cereal Reactions to Common Root Rot and Crown Rot Pathogens in the Field

In Australia, Fusarium pseudograminearum and F. culmorum are the two main fungi causing crown rot, while Bipolaris sorokiniana is causal agent of common root rot. graminearum typically linked with head blight; however, it has been associated rot in Australia other parts world. This study investigated reactions single cultivars barley, bread wheat, durum oat, triticale to inoculation strains pseudograminearum, culmorum, B. field trials across seasons. caused greater visual discolouration than on both stems sub internodes all hosts. Fusarum greatest reduction plant dry weight hosts years. Durum wheat (cv. Hyperno) barley Grimmett), Livingston) Endeavour) observed significantly high levels when inoculated oat Genie) exhibited least discolouration. Despite variation discolouration, DNA pathogens were detected cultivars. research further highlights complicated nature pathogen × strain cultivar environment interaction, which remains a challenge breeding for genetic resistance. The specific infection each fungus host responses these improves our understanding disease development its importance cropping systems.