By organism › Animals › Cercopidae › Mahanarva spectabilis

Observationobservedoriginal resultmeasured

Claim · model-written summary

Insect survival was reduced in the first laboratory generation, limiting evaluation of cumulative CO2 effects to greenhouse generations.

Taxon: M. spectabilisMahanarva spectabilise0
Outcome: survivale0
Direction: reducede0
Qualifier: first generatione0
Setting: laboratorye0

Verbatim

e0
“It was only possible to evaluate the cumulative effects of the increase of CO2 on three successive generations of M. spectabilis kept in a greenhouse, due to the reduced survival of the insects in the first generation in the laboratory.”
✓ located verbatim in the source · abstract, characters 748–984

Title

Exposure of insects and host plants to different concentrations of CO2 affects the performance of Mahanarva spectabilis (Hemiptera: Cercopidae) in successive insect generations

M. G. Fonseca; A. M. Auad; T. T. Resende; et al. Brazilian Journal of Biology 2023. doi:10.1590/1519-6984.273470

Other claims from this paper (2)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

CO2 had a greater direct than indirect effect on M. spectabilis performance.

Taxon: M. spectabilisMahanarva spectabilise0
Treatment: CO2 levele0
Outcome: performancee0
Direction: greatere0
Comparator: indirect effecte0

Verbatim

e0
“A greater direct than indirect effect of the CO2 level on the performance of M. spectabilis was observed.”
✓ located verbatim in the source · abstract, characters 985–1090

Title

Exposure of insects and host plants to different concentrations of CO2 affects the performance of Mahanarva spectabilis (Hemiptera: Cercopidae) in successive insect generations

M. G. Fonseca; A. M. Auad; T. T. Resende; et al. Brazilian Journal of Biology 2023. doi:10.1590/1519-6984.273470

Other claims from this paper (2)

Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors suggest that combined CO2 effects on survival, development and fecundity can significantly affect future M. spectabilis population dynamics.

Taxon: M. spectabilisMahanarva spectabilise0
Treatment: CO2 elevatione0
Outcome: population dynamicse0
Qualifier: future climate scenariose0

Verbatim

e0
“the effect of CO2 elevation on the survival, periods of development, and fecundity, when taken together, can significantly impact the population dynamics of M. spectabilis in future climate scenarios”
✓ located verbatim in the source · abstract, characters 1133–1332

Title

Exposure of insects and host plants to different concentrations of CO2 affects the performance of Mahanarva spectabilis (Hemiptera: Cercopidae) in successive insect generations

M. G. Fonseca; A. M. Auad; T. T. Resende; et al. Brazilian Journal of Biology 2023. doi:10.1590/1519-6984.273470

Other claims from this paper (2)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Silicon did not negatively alter M. spectabilis biological parameters or diminish its population.

Taxon: M. spectabilisMahanarva spectabilise0
Treatment: silicone1
Outcome: biological parameters of M. spectabilise0
Direction: did not negatively altere0
Qualifier: or diminish its populatione0

Not reportedComparator

Verbatim

e0
“These inducers did not negatively alter the biological parameters of M. spectabilis or diminish its population.”
✓ located verbatim in the source · abstract, characters 831–942

e1
“silicon and nitric oxide inducers were not sufficient to lessen this damage”
✓ located verbatim in the source · abstract, characters 683–758

Title

Do silicon and nitric oxide induce resistance to Mahanarva spectabilis (Hemiptera: Cercopidae) in forage grasses?

Roberta Alvarenga; Alexander M Auad; Jair C Moraes; et al. Pest Management Science 2019. doi:10.1002/ps.5450

Other claims from this paper (11)

Intervention effect Mahanarva spectabilis nymphs and adults caused significant forage grass damage.
Intervention effect Silicon did not sufficiently lessen damage through forage grass growth and development.
Intervention effect Nitric oxide did not sufficiently lessen damage through forage grass growth and development.
Intervention effect Nitric oxide did not negatively alter M. spectabilis biological parameters or diminish its population.
Intervention effect Silicon treatment increased forage grass phenolic concentrations.
Intervention effect Adult insect attack increased forage grass phenolic concentrations.
Method / resource Phenolic concentrations were not useful for predicting spittlebug resistance.
Recommendation The authors recommend further study of silicon-induced physiological and biochemical changes.
Recommendation Silicon and nitric oxide applications are not currently viable for effective economical M. spectabilis management on Brachiaria ruziziensis.
Recommendation Silicon and nitric oxide applications are not currently viable for effective economical M. spectabilis management on Pennisetum purpureum.
Recommendation Silicon and nitric oxide applications are not currently viable for effective economical M. spectabilis management on Digitaria sp.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Nitric oxide did not negatively alter M. spectabilis biological parameters or diminish its population.

Taxon: M. spectabilisMahanarva spectabilise0
Treatment: nitric oxidee1
Outcome: biological parameters of M. spectabilise0
Direction: did not negatively altere0
Qualifier: or diminish its populatione0

Not reportedComparator

Verbatim

e0
“These inducers did not negatively alter the biological parameters of M. spectabilis or diminish its population.”
✓ located verbatim in the source · abstract, characters 831–942

e1
“silicon and nitric oxide inducers were not sufficient to lessen this damage”
✓ located verbatim in the source · abstract, characters 683–758

Title

Do silicon and nitric oxide induce resistance to Mahanarva spectabilis (Hemiptera: Cercopidae) in forage grasses?

Roberta Alvarenga; Alexander M Auad; Jair C Moraes; et al. Pest Management Science 2019. doi:10.1002/ps.5450

Other claims from this paper (11)

Intervention effect Mahanarva spectabilis nymphs and adults caused significant forage grass damage.
Intervention effect Silicon did not sufficiently lessen damage through forage grass growth and development.
Intervention effect Nitric oxide did not sufficiently lessen damage through forage grass growth and development.
Intervention effect Silicon did not negatively alter M. spectabilis biological parameters or diminish its population.
Intervention effect Silicon treatment increased forage grass phenolic concentrations.
Intervention effect Adult insect attack increased forage grass phenolic concentrations.
Method / resource Phenolic concentrations were not useful for predicting spittlebug resistance.
Recommendation The authors recommend further study of silicon-induced physiological and biochemical changes.
Recommendation Silicon and nitric oxide applications are not currently viable for effective economical M. spectabilis management on Brachiaria ruziziensis.
Recommendation Silicon and nitric oxide applications are not currently viable for effective economical M. spectabilis management on Pennisetum purpureum.
Recommendation Silicon and nitric oxide applications are not currently viable for effective economical M. spectabilis management on Digitaria sp.

Mahanarva spectabilis 5 claims

5 claims