Abstract
Western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), is a major pest of strawberry, Fragaria × ananassa Duchesne (Rosaceae). Spinosad is highly efficacious against F. occidentalis, and spinosad is believed to be compatible in an integrated pest management program. This study determined whether F. occidentalis could be controlled with predatory mites [Typhlodromips montdorensis (Schicha), Neoseiulus cucumeris (Oudemans) (both Acari: Phytoseiidae), and Hypoaspis miles (Berlese) (Acari: Laelapidae)] and spinosad in strawberry. In the glasshouse, three strawberry cultivars (Camarosa, Camino Real, and Albion) were sprayed once with spinosad at the recommended rate (80 ml 100 l−1 rate, 0.096 g a.i. l−1) or with water (control). Thrips adults were released onto plants 24 h after spraying and predatory mites released 6 days later. Spinosad significantly reduced thrips numbers compared with water. All three mite species reduced F. occidentalis numbers, and spinosad had no effect on predatory mites. Though H. miles could not be counted, the numbers of thrips in treatments with H. miles were lower than those in treatments without the mite. Thrips numbers were lowest on Camino Real and highest on Camarosa. These results suggest that the use of Camino Real with spinosad applications followed by releases of predatory mites can significantly reduce thrips numbers.
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Claims 7
Claim · model-written summary
Spinosad significantly reduced thrips relative to water.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- Spinosade0
- Outcome
- thrips numberse0
- Direction
- reducede0
- Comparator
- watere0
ThripsOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Spinosad significantly reduced thrips numbers compared with water”
t0“strawberry”
Claim · model-written summary
Each of the three predatory mite species reduced F. occidentalis numbers.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- mite speciese0
- Interactor
- F. occidentalis
Frankliniella occidentalise0pest - Second interactor
- mite speciese0biocontrol_agent
- Outcome
- F. occidentalis numberse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“All three mite species reduced F. occidentalis numbers”
t0“strawberry”
Claim · model-written summary
Spinosad had no effect on predatory mites.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- spinosade0
- Interactor
- predatory mitese0biocontrol_agent
- Outcome
- predatory mitese0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“spinosad had no effect on predatory mites”
t0“strawberry”
Claim · model-written summary
H. miles treatment lowered thrips numbers relative to no mite.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- treatments with H. milese0
- Second interactor
- H. milesStratiolaelaps milese0biocontrol_agent
- Outcome
- numbers of thripse0
- Direction
- lowere0
- Comparator
- treatments without the mitee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the numbers of thrips in treatments with H. miles were lower than those in treatments without the mite”
t0“strawberry”
Claim · model-written summary
Camino Real had the lowest thrips numbers.
- Taxon
- strawberryFragaria ×ananassat0
- Material
- Camino Reale0
- Outcome
- Thrips numberse0
- Direction
- loweste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thrips numbers were lowest on Camino Real and highest on Camarosa”
t0“strawberry”
Claim · model-written summary
Camarosa had the highest thrips numbers.
- Taxon
- strawberryFragaria ×ananassat0
- Material
- Camarosae0
- Outcome
- Thrips numberse0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thrips numbers were lowest on Camino Real and highest on Camarosa”
t0“strawberry”
Claim · model-written summary
The authors recommend Camino Real with spinosad followed by predatory mites to reduce thrips.
- Taxon
- strawberryFragaria ×ananassat0
- Material
- Camino Reale0
- Treatment
- spinosad applications followed by releases of predatory mitese0
- Second interactor
- predatory mitese0biocontrol_agent
- Outcome
- reduce thrips numberse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the use of Camino Real with spinosad applications followed by releases of predatory mites can significantly reduce thrips numbers”
t0“strawberry”
The same questions in other papers
spinosad · pest · Fragaria x ananassa (strawberry)Positive and negative results
1 in the opposite direction
- positive
spinosad · Thrips · Fragaria x ananassa (strawberry)Results agree
2 papers in the same direction as this paper
- 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.