Abstract
Two thrips species-the yellow tea thrips ( Scirtothrips dorsalis Hood) and the stick tea thrips ( Dendrothrips minowai Priesner)-are serious pests affecting tea plants in southern China. Although the stick tea thrips is primarily restricted to southern China, the yellow tea thrips is gradually proliferating worldwide. Colored sticky card traps may be useful for monitoring and capturing these species, but a systematic analysis has not been conducted to identify the most effective trap color, height, and orientation. We performed indoor experiments using an orthogonal experimental design, as well as field tests in tea gardens, to identify the color most attractive to the two thrips species. Field tests were then conducted using color-optimized traps-lawngreen (RGB: 124, 252, 0) for yellow thrips and lime (RGB: 0, 255, 0) for stick tea thrips-to determine the most effective trap height and orientation. The greatest numbers of both yellow and stick tea thrips were captured on traps positioned 0-20 cm above the tea canopy in an east-west orientation. We also evaluated the performance of the color-optimized sticky card traps compared with commercially available yellow ones. Significantly more yellow and stick tea thrips and fewer natural enemies were captured on the color-optimized traps than on commercial ones. Although additional research is needed to explain the responses of the two different species and to increase trap effectiveness, our findings should assist in the control of these harmful insects.
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Claims 5
Claim · model-written summary
Yellow tea thrips captures were greatest at 0–20 cm above the canopy in east-west orientation.
Verbatim
e0“The greatest numbers of both yellow and stick tea thrips were captured on traps positioned 0-20 cm above the tea canopy in an east-west orientation”
e1“the yellow tea thrips ( Scirtothrips dorsalis Hood)”
Claim · model-written summary
Stick tea thrips captures were greatest at 0–20 cm above the canopy in east-west orientation.
Verbatim
e0“The greatest numbers of both yellow and stick tea thrips were captured on traps positioned 0-20 cm above the tea canopy in an east-west orientation”
Claim · model-written summary
Optimized traps caught significantly more yellow tea thrips than commercial traps.
Verbatim
e0“Significantly more yellow and stick tea thrips and fewer natural enemies were captured on the color-optimized traps than on commercial ones”
t0“tea plants in southern China”
e1“the yellow tea thrips ( Scirtothrips dorsalis Hood)”
Claim · model-written summary
Optimized traps caught significantly more stick tea thrips than commercial traps.
Verbatim
e0“Significantly more yellow and stick tea thrips and fewer natural enemies were captured on the color-optimized traps than on commercial ones”
t0“tea plants in southern China”
Claim · model-written summary
Optimized traps caught fewer natural enemies than commercial traps.
Verbatim
e0“Significantly more yellow and stick tea thrips and fewer natural enemies were captured on the color-optimized traps than on commercial ones”
t0“tea plants in southern China”
The same questions in other papers
trap barrier · pest · Camellia sinensis (black tea)Results agree
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