茶树荧光性绿斑病是一种茶树成叶生理型病害,在叶片背面有深绿色隆起的颗粒或斑块,且在病变处可见自发的黄绿色荧光。为了探明该病害的发生原因,对山东不同茶区、品种和病害程度的荧光性绿斑病叶13种元素含量进行测定,并与对照叶含量和茶叶中元素正常范围进行综合比较分析,筛选出与病害发生相关的可能元素,在此基础上,利用砂培进行不同营养液诱导处理,观测各处理诱导病害发生情况,同时测定诱导病叶中相关元素含量,结果表明：⑴钙、锰、铝过量处理可以诱导茶树荧光性绿斑病发生;⑵山东棕壤茶区荧光性绿斑病的发生是由于成叶中钙、锰两种元素过量累积所致。此外,讨论了茶树钙、锰、铝中毒的营养诊断指标。
The fluorescence green spot disease is a physiological disease of mature tea plant. The symptom is that there are many green spots on the lower epidermis of tea leaves. Moreover, green and yellow fluorescence can be emitted from the green spots. In order to investigate the cause of this disease, the contents of thirteen mineral elements in the diseased tea leaves that picked from different areas in Shandong province and various tea varieties and degree of disease were analyzed, and then were compared with the contents of the control and the range contents of normal tea leaves to select the elements that are relative to occurring the fluorescent green spot disease of tea plant. On the basis of above results, the hydroponics experimentation for inducing fluorescent green spot disease of tea leaves by applying with different nutrient solutions were designed. The mineral contents in tea leaves in different treatment were determined. Results indicated that ⑴ excessive content of calcium, manganese and aluminum respectively can cause the fluorescent green spot disease of tea plant. ⑵ the fluorescent green spot disease of tea leaves occurred in Shandong province due to the excessive accumulation of calcium and manganese in tea leaves. In addition, the nutritional diagnosis index for excessive content of calcium, manganese and aluminum in tea leaves was discussed.
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