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Journal of Tea Science ›› 2005, Vol. 25 ›› Issue (2): 131-135.doi: 10.13305/j.cnki.jts.2005.02.009

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Study on the Economic Threshold of Tea Leafhopper (Empoasca vitis Gothe)

XU Jin-han1, 2, WANG Nian-wu2, ZHANG Ling-ling1, GUAN Xiong1   

  1. 1. Key Lab of Biopesticide and Chemical Biology, Fujian Agriculture and Forestry University, Ministry of Education;
    2. College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
  • Online:2005-06-25 Published:2019-09-16

Abstract: Effect of different densities of Empoasca vitis on the yield loss rate and the damage indexes of fresh tea leaves were evaluated with the net method. Based on the results, the linear correlation equation was obtained for analysis on pest densities and economic loss rate of fresh tea leaves. The economic threshold of the pest for oolong tea and green tea at different areas, tea seasons and fresh tea prices was put forward

Key words: Empoasca vitis Gothe, Economic Threshold, Tea

CLC Number: