小贯小绿叶蝉在5个茶树品种（系）上的蜜露排泄量与茶树叶片结构比较

doi:10.13305/j.cnki.jts.2020.05.008

摘要/Abstract

摘要： 为明确茶树叶片组织结构与小贯小绿叶蝉抗性之间的相关性,在确定小贯小绿叶蝉不同龄期和虫态蜜露排泄量的基础上,比较研究了小贯小绿叶蝉雌成虫在不同茶树品种（系）上取食24 h后蜜露排泄量的差异,进而通过比较不同茶树品种（系）叶片的组织结构和色泽,分析了5个茶树品种（系）叶片的组织结构与茶树对小贯小绿叶蝉抗性能力强弱的关系。研究结果表明,小贯小绿叶蝉4龄若虫的蜜露排泄量显著高于1~3龄;雌、雄成虫的蜜露排泄量之间不具显著差异;取食中选10号的雌成虫蜜露排泄量显著低于取食其他品种;不同品种（系）茶树的叶面积、叶片总厚度、上表皮厚度、下表皮厚度以及色差等指标与雌成虫的蜜露排泄量之间无显著相关性,而叶片茸毛密度与雌成虫蜜露排泄量呈显著负相关,叶片茸毛长度与蜜露排泄量呈显著正相关。

关键词: 小贯小绿叶蝉, 茶树品种（系）, 蜜露排泄量, 叶片结构

Abstract: The food consumptions of Empoasca onukii female adults feeding on the leaves of five tea cultivars (strains) were compared by weighing the honeydew excretion after 24 h. The leaf structures and colors of five tea cultivars (strains) were also compared. Further analysis illustrated the relationship between plant resistance to E.onukii and leaf structures. The results show that: (1) the food consumption of female adults feeding on cv. Zhongxuan 10 was significantly lower than those feeding on other cultivars (strains), and there was no significant difference between the male and female adults. (2) The leaf area, blade thickness, upper skin thickness, lower skin thickness and chromatic aberration of different tea cultivars (strains) had little effect on E. onukii’s honeydew excretion. The density of leaf pubescence was negatively correlated to the honeydew excretion, but the length of leaf pubescence had a positive correlation with the honeydew excretion.

Key words: Empoasca onukii Matsuda, tea cultivars (strains), honeydew excretion, leaf structure

中图分类号:

刘丰静, 冉伟, 李喜旺, 汪素琴, 孙晓玲. 小贯小绿叶蝉在5个茶树品种（系）上的蜜露排泄量与茶树叶片结构比较[J]. 茶叶科学, 2020, 40(5): 625-631. doi: 10.13305/j.cnki.jts.2020.05.008.

LIU Fengjing, RAN Wei, LI Xiwang, WANG Suqin, SUN Xiaoling. The Comparison of Leaf Structures and Empoasca Onukii Matsuda Honeydew Excretion among Five Tea Cultivars (Strains)[J]. Journal of Tea Science, 2020, 40(5): 625-631. doi: 10.13305/j.cnki.jts.2020.05.008.

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