Claim · model-written summary
Silicon supplementation impeded the growth of the generalist herbivore Locusta migratoria by 43%.
- Taxon
- Spartina alterniflora
Sporobolus alternifloruse1 - Treatment
- silicon supplementatione2
- Interactor
- Locusta migratoria
Locusta migratoriae5herbivore - Outcome
- growthe6
- Direction
- impedinge6
- Value
- −43%e6
Not reportedComparator
Verbatim
e1“in 16 geographic populations of the invasive grass Spartina alterniflora”
e2“silicon supplementation generally increased silicon accumulation in Spartina leaves by 76%”
e5“generalist herbivores Mythimna separata and Locusta migratoria”
e6“impeding the growth of both generalists (M. separata −28%, and L. migratoria −43%)”
Title
Silicon mediates geographic variation of herbivory-related traits in a widespread plant invader
Jinan Lu; Yaolin Guo; Yu-Jie Zhao; et al. Journal of Plant Ecology 2025. doi:10.1093/jpe/rtaf120
Other claims from this paper (14)
- Intervention effect Silicon supplementation generally increased silicon accumulation in Spartina alterniflora leaves by 76%.
- Intervention effect Silicon supplementation enhanced jasmonic acid by +28% in Spartina alterniflora.
- Intervention effect Silicon supplementation enhanced flavonoids by +12% in Spartina alterniflora.
- Intervention effect Silicon supplementation enhanced toughness by +9% in Spartina alterniflora.
- Intervention effect Silicon supplementation reduced carbon content by 2% in Spartina alterniflora leaves.
- Intervention effect Silicon supplementation increased the C:N ratio by 5% in Spartina alterniflora.
- Intervention effect Silicon supplementation impeded the growth of the generalist herbivore Mythimna separata by 28%.
- Association Introduced Spartina populations had significantly higher leaf silicon content than native populations, independent of silicon treatment.
- Intervention effect Silicon supplementation increased leaf silicon by 81% in low-latitude introduced Spartina populations.
- Intervention effect Silicon supplementation increased leaf silicon by 63% in high-latitude introduced Spartina populations.
- Mechanism Silicon accumulation enhances quantitative and qualitative chemical defenses in native Spartina populations.
- Mechanism Silicon accumulation improves quantitative chemical or structural defenses in introduced Spartina populations.
- Mechanism Results suggest rapid evolution of silicon-mediated defense strategies in introduced Spartina populations.
- Mechanism Metalloid defenses are important for invasion success of Spartina alterniflora.
