Acta Agriculturae Zhejiangensis ›› 2022, Vol. 34 ›› Issue (8): 1713-1724.DOI: 10.3969/j.issn.1004-1524.2022.08.15

• Plant protection • Previous Articles     Next Articles

Resistance of 12 tea cultivars to Dendrothrips minowai Priesner and Empoasca Onukii Matsuda and a preliminary identification of resistant components

YANG Chun(), MENG Zehong, LI Shuai, LIANG Sihui, QIAO Dahe, CHEN Zhengwu*()   

  1. Tea Research Institute, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China
  • Received:2021-03-01 Online:2022-08-25 Published:2022-08-26
  • Contact: CHEN Zhengwu

Abstract:

This article aims to ascertain the resistance of 12 tea cultivars to Dendrothrips minowai Priesner and Empoasca Onukii Matsuda, and to clarify the related resistance biochemical components. Through a one-year field survey, the resistance performance of 12 tea cultivars to D. minowai and E. onukii were confirmed. HPLC was used to analyze caffeine, amino acids, catechin components and the resistance biochemical components were also defined through correlation analysis. Results showed, Wuniuzao, Jinguanyin, Zhongcha 108 were more susceptible to D. minowai. In contrast, Taixuan 0310 and Qianfu 4 possessed higher resistance. Fuding Dabaicha was more susceptible to E. onukii. In contrast, Qianmei 601 possessed higher resistance. The occurrence quantity of D. minowai was negatively significant correlated with caffeine content. Most amino acids contribute to the susceptibility of E. onukii. Arginine was positively significant correlated to the occurrence quantity of E. onukii. Except epigallocatechin, the other 5 catechin monomers contribute to the resistance of E. onukii. The content of (+)-catechin was negatively significant correlated to the occurrence quantity of E. onukii.

Key words: Dendrothrips minowai Priesner, Empoasca onukii Matsuda, tea, resistance

CLC Number: