Abstract
Abstract The tomato miner Tuta absoluta Meyrick (Lepidoptera: Gelechiidae) is a Neotropical species, which cause serious damages to tomato in spread areas. It appeared in 2008 in Italy, where it seriously threatened tomato production both in greenhouse and open field cultivations. In this work a study on infestation by this leafminer on leaves was conducted in an organic cultivation of tomato (Lycopersicon esculentum Mill.) "Pizzutello" variety in Sicily (Italy), and the insecticidal activity of 5 essential oils (EOs) on T. absoluta was evaluated in laboratory. EOs of basil, cypress, laurel, peppermint and Spanish oregano were used against 3rd- and 4th-instar larvae to assess contact effects and, only for oregano and laurel, inhalation effects. Results showed that the infestation in field had a variable trend showing peaks in two periods, in the months of July and October. Larvae of T. absoluta developed on leaves for most of the growing season of tomato showing a peak of 1.5 larva per leaf in the first part of July decreasing in the subsequent months. Results on the use of essential oils against the leafminer showed a good larvicidal effects confirming their use as potential alternative for pest control. Basil, cypress and laurel oils showed major contact efficacy. Inhalation effects of the oils of oregano and laurel increased with increasing their doses with a positive correlation. Oregano oil was effective at lower doses than laurel.
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Claims 6
Claim · model-written summary
Infestation of tomato leaves by Tuta absoluta in the open field showed a variable trend with peaks in July and October.
- Taxon
- tomato
Solanum lycopersicumt1 - Interactor
- Tuta absoluta
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Tuta absolutat0pest - Outcome
- infestation in fielde0
- Setting
- open fieldt1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e0“Results showed that the infestation in field had a variable trend showing peaks in two periods, in the months of July and October”
t0“Tuta absoluta”
t1“on the tomato cultivated in open field”
Claim · model-written summary
Tuta absoluta larvae developed on tomato leaves for most of the season, with a peak of 1.5 larvae per leaf in early July that decreased afterwards.
- Taxon
- tomatoSolanum lycopersicume2
- Organ / stage
- leavese2
- Interactor
- T. absolutaTuta absolutae2pest
- Outcome
- larva per leafe2
- Value
- 1.5 larva per leafe2
- Qualifier
- decreasing in the subsequent monthse2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Larvae of T. absoluta developed on leaves for most of the growing season of tomato showing a peak of 1.5 larva per leaf in the first part of July decreasing in the subsequent months”
Claim · model-written summary
Essential oils showed a good larvicidal effect against the leafminer tested in the laboratory, suggesting potential as an alternative for pest control.
- Taxon
- tomatoSolanum lycopersicumt1
- Treatment
- essential oilse3
- Interactor
- leafminere3pest
- Outcome
- larvicidal effectse3
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“Results on the use of essential oils against the leafminer showed a good larvicidal effects confirming their use as potential alternative for pest control”
t1“on the tomato cultivated in open field”
Claim · model-written summary
Basil, cypress and laurel essential oils showed major contact efficacy against Tuta absoluta larvae.
- Taxon
- tomatoSolanum lycopersicumt1
- Treatment
- Basil, cypress and laurel oilse4
- Interactor
- Tuta absolutaTuta absolutat0pest
- Outcome
- contact efficacye4
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“Basil, cypress and laurel oils showed major contact efficacy”
t0“Tuta absoluta”
t1“on the tomato cultivated in open field”
Claim · model-written summary
Inhalation effects of oregano and laurel oils increased with increasing dose, with a positive correlation.
- Taxon
- tomatoSolanum lycopersicumt1
- Treatment
- increasing their dosese5
- Outcome
- Inhalation effectse5
- Direction
- increasede5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Inhalation effects of the oils of oregano and laurel increased with increasing their doses with a positive correlation”
t1“on the tomato cultivated in open field”
Claim · model-written summary
Oregano oil was effective at lower doses than laurel oil against Tuta absoluta larvae.
- Taxon
- tomatoSolanum lycopersicumt1
- Treatment
- Oregano oile6
- Outcome
- effectivee6
- Direction
- lowere6
- Comparator
- laurele6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“Oregano oil was effective at lower doses than laurel”
t1“on the tomato cultivated in open field”
The same questions in other papers
Ocimum basilicum · Tuta absoluta · Solanum lycopersicum (tomato)Positive and negative results
1 in the opposite direction
- negative
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.