Abstract
Several studies have demonstrated that the diversification of the agroecosystem may reduce insect pest infestation using the strategy of companion planting. We studied the effect of the presence of coriander and Gallant soldier as companion plants in the tomato crop under organic and conventional management on abundance of the tomato pests and predators. The experiment was carried out under field conditions, at Distrito Federal, Brazil, from July to October, 2004. The experimental design was of randomized blocks with three replicates in a 3 x 2 factorial arrangement [Three crop diversification levels: tomato in monoculture, tomato intercropped with coriander, and tomato intercropped with coriander and Gallant soldier; and two cropping systems: organic and conventional]. Each plot had 80 plants of the tomato and the pest-insects and predaceous arthropods were collected every week in five tomato plants/plot. Tuta absoluta (Meyr.) was the commonest pest species in both cropping systems. The tomato intercropped with coriander and Gallant soldier in organic cropping system had lower abundance and higher diversity of pests, and higher abundance and diversity of predaceous arthropods, mainly at 80 days after the tomato transplanting, coinciding with the population peak of T. absoluta (eggs and adults). The more abundant predators were spiders, lady beetles and ants. The spiders were abundant and uniformly distributed in both systems. The lady beetles appeared lately in the organic system, at the flowering season of the coriander. The ants were more abundant in the conventional systems.
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Claims 8
Claim · model-written summary
Tuta absoluta was the commonest pest species on tomato in both cropping systems.
- Taxon
- tomato
Solanum lycopersicumt0 - Interactor
- Tuta absoluta (Meyr.)
.jpg?width=60)
Tuta absolutae0pest - Outcome
- commonest pest speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“tomato”
e0“Tuta absoluta (Meyr.) was the commonest pest species in both cropping systems”
Claim · model-written summary
Tomato intercropped with coriander and Gallant soldier under organic management had lower pest abundance than tomato monoculture.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- tomato intercropped with coriander and Gallant soldiere0
- Interactor
- pestse0pest
- Outcome
- abundancee0
- Direction
- lowere0
- Comparator
- tomato in monoculturee1
- Setting
- organic cropping systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“The tomato intercropped with coriander and Gallant soldier in organic cropping system had lower abundance and higher diversity of pests, and higher abundance and diversity of predaceous arthropods”
e1“tomato in monoculture”
Claim · model-written summary
Tomato intercropped with coriander and Gallant soldier under organic management had higher pest diversity than tomato monoculture.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- tomato intercropped with coriander and Gallant soldiere0
- Interactor
- pestse0pest
- Outcome
- diversity of pestse0
- Direction
- highere0
- Comparator
- tomato in monoculturee1
- Setting
- organic cropping systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“The tomato intercropped with coriander and Gallant soldier in organic cropping system had lower abundance and higher diversity of pests, and higher abundance and diversity of predaceous arthropods”
e1“tomato in monoculture”
Claim · model-written summary
Tomato intercropped with coriander and Gallant soldier under organic management had higher abundance and diversity of predaceous arthropods than tomato monoculture.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- tomato intercropped with coriander and Gallant soldiere0
- Interactor
- predaceous arthropodse0biocontrol_agent
- Outcome
- abundance and diversity of predaceous arthropodse0
- Direction
- highere0
- Comparator
- tomato in monoculturee1
- Setting
- organic cropping systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“The tomato intercropped with coriander and Gallant soldier in organic cropping system had lower abundance and higher diversity of pests, and higher abundance and diversity of predaceous arthropods”
e1“tomato in monoculture”
Claim · model-written summary
The most abundant predators in the tomato crop were spiders, lady beetles and ants.
- Taxon
- tomatoSolanum lycopersicumt0
- Interactor
- spiders, lady beetles and antsAraneaeCoccinellidaeFormicidaee0biocontrol_agent
- Outcome
- more abundant predatorse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“The more abundant predators were spiders, lady beetles and ants”
Claim · model-written summary
Spiders were abundant and uniformly distributed in both cropping systems.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- abundant and uniformly distributede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“The spiders were abundant and uniformly distributed in both systems”
Claim · model-written summary
Lady beetles appeared late in the organic system, at the flowering season of the coriander.
- Taxon
- tomatoSolanum lycopersicumt0
- Interactor
- lady beetlesCoccinellidaee0biocontrol_agent
- Outcome
- appeared latelye0
- Setting
- organic systeme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“The lady beetles appeared lately in the organic system, at the flowering season of the coriander”
Claim · model-written summary
Ants were more abundant in the conventional systems.
- Taxon
- tomatoSolanum lycopersicumt0
- Interactor
- antsFormicidaee0other
- Outcome
- more abundante0
- Setting
- conventional systemse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“tomato”
e0“The ants were more abundant in the conventional systems”
The same questions in other papers
Coriandrum sativum · pest · Solanum lycopersicum (tomato)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
intercropping · pest · Solanum lycopersicum (tomato)Positive and negative results
17 papers in the same direction as this paper · 2 in the opposite direction
- positive
- no effect
- negative
16 papers more in this group
See all 20 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.