柑桔炭疽病是危害苗圃的一种重要病害,我场原来仅零星发生,现在80％以上的苗床均有发病,且有蔓延趋势。苗木多从顶部新梢开始发病,逐渐向下扩展,少数从主干发病。病叶向内纵卷,开始出现水渍状病斑,以后变成黑褐色,稍凹陷。病叶 Citrus anthracnose is an important disease endangering nursery, my field originally only sporadic occurrence, and now more than 80% of the beds have morbidity, and there is a tendency to spread. Emergence of seedlings from the top of the new shoots began to gradually expand downward, a small number of onset from the trunk. Sick leaves curled inward, began to appear water-like lesions, later into a dark brown, slightly depressed. Sick leaves