香蕉灰纹病又称香蕉暗双孢霉叶斑病,是一种重要的香蕉叶斑病,也是我国香蕉产区常见且危害严重的病害之一,可导致香蕉减产30%~50%。发病原因:引发香蕉灰纹病的病原为半知菌亚门真菌香蕉暗双孢菌(图1),其褐色的分生孢子梗有分隔,无色的短西瓜子状分生孢子单胞或双胞。主要以菌丝在寄主病斑或病株残体上越冬,成为翌年主要 Banana scab, also known as Banana dark spot leaf spot, is an important banana leaf spot, but also one of the common and serious damage in banana producing areas, which can lead to the reduction of banana by 30% to 50%. The cause of the disease: the pathogen causing banana schizophrenia is the conidia of Candida albicans banana dark-double spore (Figure 1), the brown conidiophores separated, colorless short-watermelon subformula conidia or Double The main mycelium in the host lesions or diseased plants overwintering, become the main next year