澳洲坚果茎干溃疡病常发现于５～１０龄植株，染上该病后，茎干或枝条表皮裂口，流褐红色树胶，木质部变暗色，染病茎干或枝条所在的叶片脱落或呈火烧状干化，顶梢落叶，枝条干枯，该病原菌逐渐扩展至整株，引起全株落叶，枝条干枯，严重的引起植株死亡。据报道，在澳大利... Macadamia stem canker disease often found in 5 to 10-year-old plants, infected with the disease, the stem or branch epidermal rips, flow reddish gum, xylem turn dark, infected stems or branches where the leaves fall off or were burned Drying, Dingtao deciduous, dry branches, the pathogen gradually extended to the whole plant, causing the whole plant deciduous, dry branches, causing serious plant deaths. It is reported that in Australia ...