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Issue:ISSN 2095-1353
           CN 11-6020/Q
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Your Position :Home->Past Journals Catalog->2021年58 No.6

Relative effectiveness of different colored sticky cards and hanging modes for trapping Scythropus yasumatsui
Author of the article:JING Rui YAN Xiong-Fei ZHANG Peng HE Ying LI Gang DANG Cheng-Cheng LIU Yong-Hua
Author's Workplace:College of Life and Science, Yulin University, Yulin 719000, China;College of Life and Science, Yulin University, Yulin 719000, China;College of Life and Science, Yulin University, Yulin 719000, China;College of Life and Science, Yulin University, Yulin 719000, China;College of Life and Science, Yulin University, Yulin 719000, China;College of Life and Science, Yulin University, Yulin 719000, China;College of Life and Science, Yulin University, Yulin 719000, China
Key Words:Scythropus yasumatsui; sticky card; hanging methods; trapping effect
Abstract:
[Objectives]  To investigate the relative effectiveness of different colored sticky cards and hanging modes to trap Scythropus yasumatsui, and thereby improve the monitoring and environmentally-friendly control of this pest. [Methods]  The trapping efficacy of different sticky card colors, suspended at different heights, orientated in different directions and hung at different densities, were tested in a jujube orchard in Jiaxian county, northern Shaanxi from April 2018 to May 2020. The colors tested were yellow-green, yellow, dark green, white, red and blue, which were hung at either 0.4, 0.8, 1.2, 1.6 or 2.0 m above ground. Cards were orientated facing either due east, due south, due west, due north or centered, at densities of 20, 30, 40 and 50 cards/667 m2. [Results]  Yellow-green cards caught a daily average of 7.3 S. yasumatsui per card; significantly more than the other five colors (P<0.05). Dark green cards were the next most effective; there was no significant difference in the number of insects trapped by white, red or blue cards. Yellow cards caught an average of 1.8 S. yasumatsui per card; significantly less than the other 5 colors (P<0.05). The relative effectiveness of different card suspension heights was, in descending order: 0.8 m>0.4 m=1.2 m>1.6 m>2.0 m. Cards hung at 0.8 m caught a daily average of 8.3 insects per card, significantly higher than the other 4 heights (P<0.05). Cards orientated due south caught significantly more S. yasumatsui than those orientated in other directions (P<0.05), followed by those that were orientated due east or centered. Those orientated due west or due north caught significantly fewer insects than those orientated in other directions (P<0.05). A card density of 20 cards/667 m2 was the most economical and efficient. [Conclusion]  Yellow-green color sticky cards hung at a height of 0.8 m above ground, orientated towards the south and deployed at a density of 20 cards/667 m2, are most effective for monitoring and controlling S. yasumatsui in a jujube orchards.
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