Abstract
The two-spotted spider mite, Tetranychus urticae Koch, is a major pest damaging common bean crops worldwide. This study was conducted to monitor the population dynamics of T. urticae on four common bean cultivars (Bronko, Giza-6, Valentino, and Nebraska) during 2023 and 2024 growing seasons. Also, the efficacies of six acaricides, against the motile stages of the mite, were assessed. Results showed significant differences in cultivar susceptibility. Nebraska exhibited the highest infestation levels, while Bronko demonstrated the greatest tolerance, likely due to morphological and biochemical defense mechanisms. Valentino and Giza-6 showed intermediate susceptibility. Seasonal variations influenced population peaks, with earlier infestations observed in 2024, potentially due to climatic factors. Acaricide efficacy trials revealed that abamectin was the most effective, followed by spiromesifen and fenpyroximate. Bifenazate provided moderate control, while pyridaben and hexythiazox were the least effective, likely due to insect tolerance and to mode of action of acaricides. These findings emphasize the need for integrated pest management strategies, including the selection of insect-tolerant cultivars and acaricide rotation to mitigate resistance. Continuous monitoring of insect populations is recommended to improve control measures. The present study can be recommended to carry out further studies for the management of the two-spotted spider mite, T. urticae on common bean.
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Claims 13
Claim · model-written summary
Common bean cultivars differed significantly in susceptibility.
- Taxon
- Phaseolus vulgaris
Phaseolus vulgarist0 - Outcome
- cultivar susceptibilitye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Results showed significant differences in cultivar susceptibility”
Claim · model-written summary
Nebraska had the highest infestation levels of Tetranychus urticae among the cultivars.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Material
- Nebraskae1
- Interactor
- Tetranychus urticae
.jpg?width=60)
Tetranychus urticaee0pest - Outcome
- infestation levelse1
- Qualifier
- higheste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e0“The two-spotted spider mite, Tetranychus urticae Koch, is a major pest damaging common bean crops worldwide”
e1“Nebraska exhibited the highest infestation levels, while Bronko demonstrated the greatest tolerance, likely due to morphological and biochemical defense mechanisms”
Claim · model-written summary
Bronko had the greatest tolerance to Tetranychus urticae among the cultivars.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Material
- Bronkoe1
- Outcome
- tolerancee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Nebraska exhibited the highest infestation levels, while Bronko demonstrated the greatest tolerance, likely due to morphological and biochemical defense mechanisms”
Claim · model-written summary
Bronko tolerance to the mite is likely due to morphological and biochemical defense mechanisms.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Material
- Bronkoe1
- Outcome
- tolerancee1
- Qualifier
- morphological and biochemical defense mechanismse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Nebraska exhibited the highest infestation levels, while Bronko demonstrated the greatest tolerance, likely due to morphological and biochemical defense mechanisms”
Claim · model-written summary
Valentino and Giza-6 showed intermediate susceptibility to the spider mite.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Material
- Valentino and Giza-6e1
- Outcome
- susceptibilitye1
- Qualifier
- intermediatee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Valentino and Giza-6 showed intermediate susceptibility”
Claim · model-written summary
Seasonal variations influenced the population peaks of the spider mite on common bean.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Outcome
- population peakse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Seasonal variations influenced population peaks, with earlier infestations observed in 2024, potentially due to climatic factors”
Claim · model-written summary
Infestations of the spider mite on common bean were earlier in 2024, potentially due to climatic factors.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Interactor
- Tetranychus urticaeTetranychus urticaee0pest
- Outcome
- earlier infestationse1
- Qualifier
- potentially due to climatic factorse1
- Setting
- in 2024e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e0“The two-spotted spider mite, Tetranychus urticae Koch, is a major pest damaging common bean crops worldwide”
e1“Seasonal variations influenced population peaks, with earlier infestations observed in 2024, potentially due to climatic factors”
Claim · model-written summary
Abamectin was the most effective acaricide against Tetranychus urticae, followed by spiromesifen and fenpyroximate.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- abamectine1
- Interactor
- Tetranychus urticaeTetranychus urticaee0pest
- Outcome
- efficacye1
- Direction
- most effectivee1
- Comparator
- spiromesifen and fenpyroximatee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e0“The two-spotted spider mite, Tetranychus urticae Koch, is a major pest damaging common bean crops worldwide”
e1“Acaricide efficacy trials revealed that abamectin was the most effective, followed by spiromesifen and fenpyroximate”
Claim · model-written summary
Bifenazate provided moderate control of the spider mite.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- Bifenazatee1
- Outcome
- moderate controle1
- Direction
- moderatee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Bifenazate provided moderate control, while pyridaben and hexythiazox were the least effective, likely due to insect tolerance and to mode of action of acaricides”
Claim · model-written summary
Pyridaben and hexythiazox were the least effective acaricides against the spider mite.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- pyridaben and hexythiazoxe1
- Outcome
- least effectivee1
- Direction
- least effectivee1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Bifenazate provided moderate control, while pyridaben and hexythiazox were the least effective, likely due to insect tolerance and to mode of action of acaricides”
Claim · model-written summary
Low efficacy of pyridaben and hexythiazox is likely due to insect tolerance and mode of action of acaricides.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Treatment
- pyridaben and hexythiazoxe1
- Outcome
- least effectivee1
- Qualifier
- insect tolerance and to mode of action of acaricidese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Bifenazate provided moderate control, while pyridaben and hexythiazox were the least effective, likely due to insect tolerance and to mode of action of acaricides”
Claim · model-written summary
Integrated pest management strategies, including insect-tolerant cultivars and acaricide rotation, are needed for the spider mite on common bean.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Outcome
- integrated pest management strategiese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“These findings emphasize the need for integrated pest management strategies, including the selection of insect-tolerant cultivars and acaricide rotation to mitigate resistance”
Claim · model-written summary
Continuous monitoring of insect populations is recommended to improve control measures for the spider mite on common bean.
- Taxon
- Phaseolus vulgarisPhaseolus vulgarist0
- Outcome
- Continuous monitoring of insect populationse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Common Bean (Phaseolus vulgaris)”
e1“Continuous monitoring of insect populations is recommended to improve control measures”
The same questions in other papers
abamectin · Tetranychus urticae · Phaseolus vulgaris (common bean)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
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.