2016, 29(4): 620-623.
[Objective] To understand the resistance of oil tea to Scirtothrips dorsalis and analyse the mechanism. [Method] The population densities of S. dorsalis on seven varieties of oil tea in field were investigated, the survival rates were tested by feeding them with the tender leaf of the seven varieties of oil tea in laboratory, and the fuzz distribution characteristics of the tender shoots were recorded respectively. [Result] The results showed that there were significant differences in mean population density of S. dorsalis among these varieties of oil tea in the field; however, the average survival rate of S. dorsalis did not show significant difference in lab. [Conclusion] Based on correlation analysis it was showed that the resistance of oil tea to S. dorsalis did not come from its own chemicals, but might mainly due to the distribution of fuzz on leaf surface.