Abstract
ABSTRACT This study was performed to evaluate the effect of exogenous application of salicylic acid as a resistance inducer to two-spotted spider mite and tomato pinworm on tomato genotypes. Bioassays were carried out in three commercial genotypes (‘Redenção’, ‘Giuliana’, and ‘Alambra’) and one wild genotype (Solanum habrochaites var. hirsutum, accession PI-127826). Average distance travelled by the two-spotted spider mite and number of eggs deposited over the leaflets of the genotypes were investigated. Concerning pinworm bioassay, number of eggs, leafminers on leaflet surface and percentage of leaf area consumed by leafminers were evaluated using a scanner. Furthermore, severity of attack to plants was evaluated by score scale for damages, types of lesions and attacked leaflets. Salicylic acid application induced resistance in the commercial genotypes against both pests, reducing the two-spotted spider mite and pinworm oviposition. The spider mites travelled shorter distance on leaflets of genotypes treated with salicylic acid at intermediate concentrations, indicating a positive effect of substance as inducing resistance. Attack severity by pinworm was also reduced when intermediate doses of salicylic acid were applied. Also, higher resistance was observed on accession PI-127826 as compared to other genotypes. The obtained results indicate that the resistance of PI-127826 was due to constitutive defense, whereas on commercial genotypes defense was dependent on responses mediated by salicylic acid. Hence, salicylic acid treatment, as resistance inducer, seems to be efficient against two-spotted spider mite and pinworm, being a promising tool within an integrated pest management on tomato plants.
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Claims 8
Claim · model-written summary
Salicylic acid application reduced two-spotted spider mite oviposition on commercial tomato genotypes.
- Taxon
- tomato
Solanum lycopersicume0 - Material
- commercial genotypese1
- Treatment
- Salicylic acid applicatione1
- Interactor
- two-spotted spider mitee1pest
- Outcome
- ovipositione1
- Direction
- reducinge1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on tomato genotypes”
e1“Salicylic acid application induced resistance in the commercial genotypes against both pests, reducing the two-spotted spider mite and pinworm oviposition”
Claim · model-written summary
Salicylic acid application reduced pinworm oviposition on commercial tomato genotypes.
- Taxon
- tomatoSolanum lycopersicume0
- Material
- commercial genotypese1
- Treatment
- Salicylic acid applicatione1
- Interactor
- pinworme1pest
- Outcome
- ovipositione1
- Direction
- reducinge1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on tomato genotypes”
e1“Salicylic acid application induced resistance in the commercial genotypes against both pests, reducing the two-spotted spider mite and pinworm oviposition”
Claim · model-written summary
Salicylic acid at intermediate concentrations shortened the distance travelled by spider mites on tomato leaflets.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- salicylic acid at intermediate concentrationse2
- Interactor
- spider mitesTetranychidaee2pest
- Outcome
- distancee2
- Direction
- shortere2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on tomato genotypes”
e2“The spider mites travelled shorter distance on leaflets of genotypes treated with salicylic acid at intermediate concentrations”
Claim · model-written summary
Intermediate doses of salicylic acid reduced attack severity by pinworm on tomato.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- intermediate doses of salicylic acide3
- Interactor
- pinworme3pest
- Outcome
- Attack severity by pinworme3
- Direction
- reducede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on tomato genotypes”
e3“Attack severity by pinworm was also reduced when intermediate doses of salicylic acid were applied”
Claim · model-written summary
Accession PI-127826 showed higher resistance than other tomato genotypes.
- Taxon
- Solanum habrochaites var. hirsutum
Solanum habrochaitese5 - Material
- PI-127826e4
- Outcome
- resistancee4
- Direction
- highere4
- Comparator
- other genotypese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“higher resistance was observed on accession PI-127826 as compared to other genotypes”
e5“Solanum habrochaites var. hirsutum, accession PI-127826”
Claim · model-written summary
The resistance of accession PI-127826 is attributed to constitutive defense.
- Taxon
- Solanum habrochaites var. hirsutumSolanum habrochaitese5
- Material
- PI-127826e6
- Outcome
- resistancee6
- Qualifier
- constitutive defensee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Solanum habrochaites var. hirsutum, accession PI-127826”
e6“the resistance of PI-127826 was due to constitutive defense”
Claim · model-written summary
On commercial tomato genotypes, defense depends on responses mediated by salicylic acid.
- Taxon
- tomatoSolanum lycopersicume0
- Material
- commercial genotypese7
- Compound
- salicylic acide7
- Outcome
- defensee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“on tomato genotypes”
e7“on commercial genotypes defense was dependent on responses mediated by salicylic acid”
Claim · model-written summary
Salicylic acid treatment seems efficient against spider mite and pinworm on tomato and is a promising tool within integrated pest management.
- Taxon
- tomatoSolanum lycopersicume7
- Outcome
- a promising tool within an integrated pest managemente7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“salicylic acid treatment, as resistance inducer, seems to be efficient against two-spotted spider mite and pinworm, being a promising tool within an integrated pest management on tomato plants”
The same questions in other papers
salicylic acid · pest · Solanum lycopersicum (tomato)Positive and negative results
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- no effect
- positive
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See all 9 papers →salicylic acid · disease · Solanum lycopersicum (tomato)Positive and negative results
34 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
- negative
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See all 39 papers →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.