Abstract
The stick tea thrip (Dendrothrips minowai) is one of the most serious sucking pests of tea plants (Camellia sinensis) in China, North Korea, and Japan. Plant volatile lures are widely used for both monitoring and mass trapping. Previously, we demonstrated that sticky traps baited with p-anisaldehyde, eugenol, farnesene, or 3-methyl butanal captured significantly more D. minowai in tea plantations, with p-anisaldehyde notably capturing the most. In this study, we showed that D. minowai adults exhibited significantly higher attraction to mixtures of p-anisaldehyde, eugenol, and farnesene compared to an equivalent dose of p-anisaldehyde alone in H-tube olfactometer assays under laboratory conditions. Moreover, in field experiments conducted in 2022, rubber septa impregnated with a ternary blend of p-anisaldehyde, eugenol, and farnesene (at 3–4.5 mg and a ratio of 3:1:1) captured the highest number of adults on sticky traps, outperforming traps bailed with individual components or a solvent control over two weeks. Significantly, the mass trapping strategy employing these lures achieved control efficacies ranging from 62.8% to 70.7% when compared to traps without attractant, which achieved control efficacies of only 14.2% to 35.4% across three test sites in 2023. These results indicate that the combination of p-anisaldehyde, eugenol, and farnesene exhibits an additive or synergistic effect on D. minowai. In conclusion, our findings establish a theoretical framework and provide practical technological support for integrating attractant-based strategies into comprehensive thrips management strategies.
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Claims 5
Claim · model-written summary
The ternary blend of p-anisaldehyde, eugenol and farnesene captured the most stick tea thrip adults on sticky traps, more than individual components or a solvent control.
Verbatim
e0“The stick tea thrip (Dendrothrips minowai) is one of the most serious sucking pests of tea plants (Camellia sinensis) in China, North Korea, and Japan”
e1“rubber septa impregnated with a ternary blend of p-anisaldehyde, eugenol, and farnesene”
e2“captured the highest number of adults on sticky traps, outperforming traps bailed with individual components or a solvent control over two weeks”
e3“in field experiments conducted in 2022”
Claim · model-written summary
Mixtures of p-anisaldehyde, eugenol and farnesene attracted significantly more stick tea thrip adults than an equivalent dose of p-anisaldehyde alone in olfactometer assays.
Verbatim
e0“The stick tea thrip (Dendrothrips minowai) is one of the most serious sucking pests of tea plants (Camellia sinensis) in China, North Korea, and Japan”
e1“D. minowai adults exhibited significantly higher attraction to mixtures of p-anisaldehyde, eugenol, and farnesene compared to an equivalent dose of p-anisaldehyde alone in H-tube olfactometer assays under laboratory conditions”
Claim · model-written summary
Mass trapping with these lures achieved control efficacies of 62.8% to 70.7%, compared with traps without attractant.
Verbatim
e0“The stick tea thrip (Dendrothrips minowai) is one of the most serious sucking pests of tea plants (Camellia sinensis) in China, North Korea, and Japan”
e1“the mass trapping strategy employing these lures achieved control efficacies ranging from 62.8% to 70.7% when compared to traps without attractant”
Claim · model-written summary
Traps without attractant achieved control efficacies of only 14.2% to 35.4% across three test sites in 2023.
Verbatim
e0“The stick tea thrip (Dendrothrips minowai) is one of the most serious sucking pests of tea plants (Camellia sinensis) in China, North Korea, and Japan”
e1“traps without attractant, which achieved control efficacies of only 14.2% to 35.4% across three test sites in 2023”
Claim · model-written summary
The combination of p-anisaldehyde, eugenol and farnesene has an additive or synergistic effect on D. minowai.
Verbatim
e0“The stick tea thrip (Dendrothrips minowai) is one of the most serious sucking pests of tea plants (Camellia sinensis) in China, North Korea, and Japan”
e1“These results indicate that the combination of p-anisaldehyde, eugenol, and farnesene exhibits an additive or synergistic effect on D. minowai”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.