百合是世界名花,中国传统名卉,但据作者在福州和兰州所见,由于受扁茎簇叶病的为害,使生长受到严重影响。主要症状表现是病株梢部宽扁如带,株型变矮,其上簇生小叶,花形变小,有的花瓣变绿,影响观赏价值和经济价值。将病株和健株的叶片,分别于叶脉处剪取1×1-2mm的小块,按常规方法进行固定,包理和超薄切片,以2%醋酸铀、柠檬酸 Lily is a famous flower in the world and a traditional Chinese flower. However, according to the author’s observations in Fuzhou and Lanzhou, the growth was severely affected by the damage caused by flat stem leaf-leaf disease. The main symptom is that the diseased plants are broadly flat like ribbons at the shoots, and the plant type becomes shorter. The leaflets on the clusters are smaller and the flower shape is smaller. Some of the petals turn green, which affects ornamental value and economic value. The diseased plants and healthy leaves, respectively, in the vein cut 1 × 1-2mm small pieces, according to the conventional method of fixation, packing and ultra-thin slices, with 2% uranyl acetate, citric acid