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菊花斑枯病是叶部病害,发生严重时叶片病斑累累,影响植株正常生长,降低观赏价值和切花出口品级,此病为菊花种植业的一大障碍,近年来,我们对其病原菌形态及生理等进行了调查与研究,现简要报道如下: 一、材料和方法 1.病原菌形态观察及计测采田间发病菊花病叶,挑选有典型病斑者,洗净,保湿
Chrysanthemum spot blight is a leaf disease, in the event of severe leaf lesions, affecting the normal growth of plants, reducing the ornamental value and cut flowers export grade, the disease is a major obstacle to the chrysanthemum planting industry, in recent years, our pathogen morphology and Physiology, etc. conducted a survey and research, are now briefly reported as follows: First, the material and methods 1 Morphological observation and measurement of pathogens Picking daisy leaves in the field, the selection of a typical lesion, wash, moisturizing