Abstract
Effective management of tomato pests such as Bemisia tabaci and Tuta absoluta requires the integration of more sustainable control methods. Applying integrated pest management (IPM) approaches using combinations of biocontrol agents with agronomic practices such as the modulation of fertilisation offers opportunities toward more efficient pest con- trol, all the more so since the underlying bottom-up and top-down regulations are interdependent. We investigated the rela- tive influence of the bottom-up effects of reduced fertilisation (by 47%) and the use of the mirid predators Dyciphus errans or Macrolophus pygmaeus in combination with Nesidiocoris tenuis on the control of B. tabaci and T. absoluta. Densities of B. tabaci and T. absoluta population decreased more rapidly when fertilisation was reduced. The presence of D. errans caused reduction in N. tenuis densities and in the number of necrotic rings caused by N. tenuis. The negative effects of bottom-up forces triggered by reduced fertilisation on B. tabaci, T. absoluta and N. tenuis populations and damage were greater in the presence of D. errans. Our study shows that interactions between predators and fertilisation management are important in agro-ecosystems and should be considered in the development of sustainable IPM strategies.
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Claims 8
Claim · model-written summary
Reduced fertilisation accelerated the decline in B. tabaci density.
- Taxon
- tomato
Solanum lycopersicumt0 - Treatment
- fertilisation was reducede0
- Interactor
- B. tabaci
Bemisia tabacie0pest - Outcome
- Densities of B. tabacie0
- Direction
- decreased more rapidlye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Densities of B. tabaci and T. absoluta population decreased more rapidly when fertilisation was reduced.”
t0“tomato pests”
Claim · model-written summary
Reduced fertilisation accelerated the decline in T. absoluta density.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- fertilisation was reducede0
- Interactor
- T. absoluta
.jpg?width=60)
Tuta absolutae0pest - Outcome
- T. absoluta populatione0
- Direction
- decreased more rapidlye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Densities of B. tabaci and T. absoluta population decreased more rapidly when fertilisation was reduced.”
t0“tomato pests”
Claim · model-written summary
D. errans reduced N. tenuis density.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- presence of D. erranse0
- Interactor
- N. tenuis
Nesidiocoris tenuise0other - Second interactor
- D. erranse0biocontrol_agent
- Outcome
- N. tenuis densitiese0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of D. errans caused reduction in N. tenuis densities and in the number of necrotic rings caused by N. tenuis.”
t0“tomato pests”
Claim · model-written summary
D. errans reduced necrotic rings caused by N. tenuis.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- presence of D. erranse0
- Interactor
- N. tenuisNesidiocoris tenuise0other
- Second interactor
- D. erranse0biocontrol_agent
- Outcome
- number of necrotic rings caused by N. tenuise0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The presence of D. errans caused reduction in N. tenuis densities and in the number of necrotic rings caused by N. tenuis.”
t0“tomato pests”
Claim · model-written summary
D. errans strengthened the reduction of B. tabaci populations under reduced fertilisation.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- reduced fertilisatione0
- Interactor
- B. tabaciBemisia tabacie0pest
- Second interactor
- D. erranse0biocontrol_agent
- Outcome
- B. tabacie0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The negative effects of bottom-up forces triggered by reduced fertilisation on B. tabaci, T. absoluta and N. tenuis populations and damage were greater in the presence of D. errans.”
t0“tomato pests”
Claim · model-written summary
D. errans strengthened the reduction of T. absoluta populations under reduced fertilisation.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- reduced fertilisatione0
- Interactor
- T. absolutaTuta absolutae0pest
- Second interactor
- D. erranse0biocontrol_agent
- Outcome
- T. absolutae0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The negative effects of bottom-up forces triggered by reduced fertilisation on B. tabaci, T. absoluta and N. tenuis populations and damage were greater in the presence of D. errans.”
t0“tomato pests”
Claim · model-written summary
D. errans strengthened the reduction of N. tenuis populations and damage under reduced fertilisation.
- Taxon
- tomatoSolanum lycopersicumt0
- Treatment
- reduced fertilisatione0
- Interactor
- N. tenuisNesidiocoris tenuise0other
- Second interactor
- D. erranse0biocontrol_agent
- Outcome
- N. tenuis populations and damagee0
- Direction
- greatere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The negative effects of bottom-up forces triggered by reduced fertilisation on B. tabaci, T. absoluta and N. tenuis populations and damage were greater in the presence of D. errans.”
t0“tomato pests”
Claim · model-written summary
Predator interactions and fertilisation management should be considered in sustainable IPM strategies.
- Taxon
- tomatoSolanum lycopersicumt0
- Outcome
- should be considered in the development of sustainable IPM strategiese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“interactions between predators and fertilisation management are important in agro-ecosystems and should be considered in the development of sustainable IPM strategies.”
t0“tomato pests”
The same questions in other papers
fertilization · Bemisia tabaci · Solanum lycopersicum (tomato)Positive and negative results
1 in the opposite direction
- no effect
fertilization · Tuta absoluta · Solanum lycopersicum (tomato)Positive and negative results
3 papers in the same direction as this paper · 3 in the opposite direction
- negative
- negative
- no effect
3 papers more in this group
See all 7 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.