Abstract
Plant-plant communication can provide information about environmental stressors such that plants prepare defenses against competitors or herbivores.By utilizing two genotypes of Arabidopsis thaliana, we explored how emitter genotype impacted receiver plants in the context of herbivore cues.The effect of emitter genotype was observed on receiver plant fitness-related traits while grown alone, when grown in competition, and following herbivore damage.Additionally, the effect of pre-treated receiver plants on development and oviposition behavior of the specialist herbivore, Plutella xylostella, was monitored.Plants grew 14 percent taller and produced 62 percent more fruits when indirectly exposed emitter plants with a different genotype.However, this response was repressed if herbivore damage cues were present.Receiver plants were 18 percent shorter and produced 45 percent less fruit on average when grown in competition, but the response to emitter treatment remained the same.We did detect an interaction between competitive treatments and emitter herbivore damage for total fruit set per pot.Pots with two Columbia ecotype plants produced 27 percent more fruit when emitters were undamaged compared to non-competitive pots when emitters were undamaged.Receiver plants grown in competition were more variable in their fruit production when exposed to undamaged plant volatiles.Emitter treatment did not elicit an effect on P. xylostella oviposition.Plutella xylostella raised on receivers pre-exposed to damaged plants spent slightly more time as pupa compared to those raised on receivers pre-exposed to undamaged plants.However, P. xylostella size did not differ as adults and emitter pre-treatment did not impact insect the amount of herbivore damage to receivers.iii These results indicate that neighboring plants can indirectly increase plant yield despite planting density, which is a promising avenue for agricultural research aimed at closing the yield gap.The variability in yield between neighbors when competition was present indicates, though, that increased productivity may not be realized in high-density agricultural settings.We did not see feeding or oviposition deterrence of herbivores in response to priming treatments in this specialist herbivore.Therefore, the effects of volatiles should be explored in a variety of herbivores before implementing this means of crop protection.
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Claims 13
Claim · model-written summary
Receivers exposed to emitters of a different genotype grew 14 percent taller.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianat0 - Treatment
- indirectly exposed emitter plants with a different genotypee0
- Outcome
- tallere0
- Direction
- tallere0
- Value
- 14 percente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants grew 14 percent taller and produced 62 percent more fruits when indirectly exposed emitter plants with a different genotype.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Receivers exposed to emitters of a different genotype produced 62 percent more fruits.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- indirectly exposed emitter plants with a different genotypee0
- Outcome
- fruitse0
- Direction
- moree0
- Value
- 62 percente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plants grew 14 percent taller and produced 62 percent more fruits when indirectly exposed emitter plants with a different genotype.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Herbivore damage cues repressed the receiver response to different-genotype emitters.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- herbivore damage cuese0
- Outcome
- this responsee0
- Direction
- repressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, this response was repressed if herbivore damage cues were present.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Competing receivers were 18 percent shorter on average.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- grown in competitione0
- Outcome
- shortere0
- Direction
- shortere0
- Value
- 18 percente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Receiver plants were 18 percent shorter and produced 45 percent less fruit on average when grown in competition, but the response to emitter treatment remained the same.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Competing receivers produced 45 percent less fruit on average.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- grown in competitione0
- Outcome
- fruite0
- Direction
- lesse0
- Value
- 45 percente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Receiver plants were 18 percent shorter and produced 45 percent less fruit on average when grown in competition, but the response to emitter treatment remained the same.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Competition did not alter the response to emitter treatment.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- competitione0
- Outcome
- response to emitter treatmente0
- Direction
- remained the samee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Receiver plants were 18 percent shorter and produced 45 percent less fruit on average when grown in competition, but the response to emitter treatment remained the same.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Competitive treatment interacted with emitter herbivore damage for total fruit set per pot.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- competitive treatmentse0
- Outcome
- total fruit set per pote0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“We did detect an interaction between competitive treatments and emitter herbivore damage for total fruit set per pot.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Pots with two Columbia ecotype plants produced 27 percent more fruit than noncompetitive pots when emitters were undamaged.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Material
- Columbia ecotypee0
- Treatment
- two Columbia ecotype plantse0
- Outcome
- fruite0
- Direction
- moree0
- Value
- 27 percente0
- Comparator
- non-competitive potse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pots with two Columbia ecotype plants produced 27 percent more fruit when emitters were undamaged compared to non-competitive pots when emitters were undamaged.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Fruit production varied more among competing receivers exposed to undamaged plant volatiles.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- undamaged plant volatilese0
- Outcome
- fruit productione0
- Direction
- more variablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Receiver plants grown in competition were more variable in their fruit production when exposed to undamaged plant volatiles.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Emitter treatment had no detected effect on Plutella xylostella oviposition.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- Emitter treatmente0
- Interactor
- P. xylostellae0herbivore
- Outcome
- P. xylostella ovipositione0
- Direction
- did not elicit an effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Emitter treatment did not elicit an effect on P. xylostella oviposition.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Plutella xylostella on receivers pre-exposed to damaged plants spent slightly longer as pupae.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- pre-exposed to damaged plantse0
- Interactor
- Plutella xylostella
Plutella xylostellae0herbivore - Outcome
- Plutella xylostella raised on receivers pre-exposed to damaged plants spent slightly more time as pupae0
- Direction
- moree0
- Comparator
- pre-exposed to undamaged plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Plutella xylostella raised on receivers pre-exposed to damaged plants spent slightly more time as pupa compared to those raised on receivers pre-exposed to undamaged plants.”
t0“Arabidopsis thaliana”
Claim · model-written summary
Adult Plutella xylostella size did not differ.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Interactor
- P. xylostellae0herbivore
- Outcome
- P. xylostella sizee0
- Direction
- did not differe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, P. xylostella size did not differ as adults”
t0“Arabidopsis thaliana”
Claim · model-written summary
Emitter pretreatment did not alter herbivore damage to receivers.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- emitter pre-treatmente0
- Outcome
- amount of herbivore damage to receiverse0
- Direction
- did not impacte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“emitter pre-treatment did not impact insect the amount of herbivore damage to receivers.”
t0“Arabidopsis thaliana”
The same questions in other papers
competition · growth · Arabidopsis thaliana (thale cress)Positive and negative results
1 in the opposite direction
- positive
competition · yield · Arabidopsis thaliana (thale cress)Results agree
1 paper in the same direction as this paper
- no effect
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.