By interacting organism › Animals › Chrysomelidae › Chrysomela scripta

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Chrysomela scripta beetle damage was higher under the higher planting density (+42%).

Taxon: PoplarsPopulust0
Treatment: higher densitye6
Interactor: Chrysomela scripta FabriciusChrysomela scriptae4pest
Outcome: C. scripta damagee6
Direction: highere6
Value: +42%e6
Comparator: lower densitye6

Verbatim

t0
“Productivity and Profitability of Poplars on Fertile and Marginal Sandy Soils under Different Density and Fertilization Treatments”
✓ located verbatim in the source · title, characters 0–130

e4
“Leaf-rust (Melampsora castagne) and beetle damage (by Chrysomela scripta Fabricius), the leaf area index (LAI) and foliar nitrogen, were measured in year two”
✓ located verbatim in the source · abstract, characters 477–634

e6
“C. scripta damage was higher for the higher density (+42%) than lower density, and TD ‘185’ (50% vs. others >38%)”
✓ located verbatim in the source · abstract, characters 1135–1248

Title

Productivity and Profitability of Poplars on Fertile and Marginal Sandy Soils under Different Density and Fertilization Treatments

Solomon B. Ghezehei; Alexander L. Ewald; Dennis W. Hazel; et al. Forests 2021. doi:10.3390/f12070869

Other claims from this paper (19)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Chrysomela scripta damage was higher on TD ‘185’ (50%) than on the other genotypes (>38%).

Taxon: PoplarsPopulust0
Material: TD ‘185’e6
Interactor: Chrysomela scripta FabriciusChrysomela scriptae4pest
Outcome: C. scripta damagee6
Direction: highere6
Value: 50%e6
Qualifier: >38%e6
Comparator: otherse6

Verbatim

t0
“Productivity and Profitability of Poplars on Fertile and Marginal Sandy Soils under Different Density and Fertilization Treatments”
✓ located verbatim in the source · title, characters 0–130

e4
“Leaf-rust (Melampsora castagne) and beetle damage (by Chrysomela scripta Fabricius), the leaf area index (LAI) and foliar nitrogen, were measured in year two”
✓ located verbatim in the source · abstract, characters 477–634

e6
“C. scripta damage was higher for the higher density (+42%) than lower density, and TD ‘185’ (50% vs. others >38%)”
✓ located verbatim in the source · abstract, characters 1135–1248

Title

Productivity and Profitability of Poplars on Fertile and Marginal Sandy Soils under Different Density and Fertilization Treatments

Solomon B. Ghezehei; Alexander L. Ewald; Dennis W. Hazel; et al. Forests 2021. doi:10.3390/f12070869

Other claims from this paper (19)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Prior cottonwood leaf beetle feeding affected later susceptibility of NC 11382 and NE332 to S. musiva.

Taxon: Hybrid PoplarPopulust0
Material: NC 11382 and NE332e0
Treatment: cottonwood leaf beetlee0
Interactor: S. musivaSphaerulina musivae0pathogent0
Second interactor: cottonwood leaf beetleChrysomela scriptae0herbivoret0
Outcome: susceptibility of clones NC 11382 and NE332 to S. musivae0

Not reportedComparatorDirection

Verbatim

e0
“Prior activity by mites and cottonwood leaf beetle affected the subsequent susceptibility of clones NC 11382 and NE332 to S. musiva.”
✓ located verbatim in the source · abstract, characters 600–732

t0
“Effects of Feeding by Two Folivorous Arthropods on Susceptibility of Hybrid Poplar Clones to a Foliar Pathogen”
✓ located verbatim in the source · title, characters 0–110

Title

Effects of Feeding by Two Folivorous Arthropods on Susceptibility of Hybrid Poplar Clones to a Foliar Pathogen

Kier D Klepzig; Daniel J Robison; Eugene B Smalley; et al. The Great Lakes Entomologist 2018. doi:10.22543/0090-0222.1932

Other claims from this paper (2)

Observation Undamaged NE332 disks were most resistant to S. musiva, ahead of NM6 and NC11382.
Intervention effect Prior mite feeding affected later susceptibility of NC 11382 and NE332 to S. musiva.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Repeated imidacloprid use controlled cottonwood leaf beetles.

Taxon: poplarPopuluse0
Treatment: Repeated use of imidacloprid delivered through the dip systeme0
Interactor: Chrysomela scriptaChrysomela scriptae0pest
Outcome: controls aphidse0
Direction: controlse0

Not reportedComparator

Verbatim

e0
“Repeated use of imidacloprid delivered through the dip system controls aphids (Chaitophorus: Chaitophorus populicola) and cottonwood leaf beetles (Chrysomelidae: Chrysomela scripta), and seems to be reducing the poplar/willow borer, too.”
✓ located verbatim in the source · abstract, characters 1323–1560

Title

Biofuels are pest food, too!

John J. Brown; R. Andrew Rodstrom; Eugene R. Hannon; et al. 2008

Other claims from this paper (4)

Intervention effect Synthetic sex pheromone successfully controlled a clearwing moth damaging hybrid poplar.
Intervention effect Repeated imidacloprid use controlled aphids.
Intervention effect Repeated imidacloprid use appeared to reduce poplar/willow borer.
Observation A carpenterworm reduction effort showed promise.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cottonwood leaf beetle defoliation decreased annual growth during the first three years.

Taxon: PopulusPopulust0
Treatment: insect defoliatione0
Interactor: Chrysomela scriptaChrysomela scriptae1pest
Outcome: annual growthe0
Direction: decreasese0
Qualifier: first three yearse0

Not reportedComparator

Verbatim

t0
“Populus”
✓ located verbatim in the source · title, characters 51–58

e0
“insect defoliation caused moderate to large decreases in annual growth over the first three years.”
✓ located verbatim in the source · abstract, characters 356–454

e1
“cottonwood leaf beetle (Chrysomela scripta)”
✓ located verbatim in the source · abstract, characters 201–244

Title

Environment and Genetic Effects on Wood Quality of Populus

Mayuree Doungpet NCSU Libraries Repository (North Carolina State University Libraries) 2005

Other claims from this paper (19)

Observation Protected clones differed in specific gravity and density.
Observation Specific gravity and density remained constant across the radius regardless of beetle attack.
Intervention effect Defoliation did not affect fiber length.
Intervention effect Defoliation changed vessel number and diameter, with offsetting effects on vessel area.
Observation Ray area was larger in unprotected trees.
Intervention effect One clone produced more rays after defoliation.
Intervention effect The other clone produced fewer, larger rays after defoliation.
Observation The two families did not differ in growth rate at the stressful site.
Association Family and clone significantly influenced specific gravity.
Association Clone and radial position affected fiber length, which correlated with growth rate.
Observation Clonal mean fiber length differed nearer the bark.
Recommendation The authors suggest selecting for fiber length only after four or five years.
Observation Trees differed significantly in fiber length and vessel area.
Observation Trees did not differ in vessel numbers, vessel diameter or ray numbers.
Association Cambium age significantly affected all wood properties.
Observation The fastest growing high gravity tree had the longest fibers and most rays.
Observation The fastest growing high gravity tree had low vessel area, number and diameter.
Association Trees of similar growth rate varied widely in vessel area.
Association Exceptionally fast growth could occur with low vessel area.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Larval defoliation rarely altered leaf surface chemistry at the tested levels.

Taxon: PopulusPopulust0
Treatment: Larval C. scripta defoliatione0
Interactor: C. scriptaChrysomela scriptae0pest
Outcome: leaf surface chemistrye0
Direction: rarely caused changese0
Qualifier: at the defoliation levels testede0

Not reportedComparator

Verbatim

e0
“Larval C. scripta defoliation rarely caused changes in leaf surface chemistry at the defoliation levels tested”
✓ located verbatim in the source · abstract, characters 922–1032

t0
“Populus”
✓ located verbatim in the source · title, characters 102–109

Title

Effects of Cottonwood Leaf Beetle (Coleoptera: Chrysomelidae) Larval Defoliation, Clone, and Season onPopulusFoliar Phagostimulants

David R. Coyle; Joel D. McMillin; Richard B. Hall; et al. Environmental Entomology 2003. doi:10.1603/0046-225x-32.3.452

Other claims from this paper (9)

Association Foliar alcohol concentration differed significantly among clones.
Association α-TQ concentration differed significantly among clones.
Association α-TQ to total alcohol ratios differed significantly among clones.
Observation α-TQ concentrations varied over time in some clones.
Observation α-TQ to total alcohol ratios varied over time in some clones.
Observation Foliar alcohol concentrations generally stayed constant or increased during the growing season.
Observation α-TQ concentrations generally stayed constant or increased during the growing season.
Observation α-TQ to total alcohol ratios declined during the growing season.
Recommendation Clone variation in foliar chemistry could be used in tree breeding.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Adult C. scripta chose 2X-treated tissue almost twice as often as 1X-treated tissue in feeding preference trials; the difference was not significant.

Taxon: Populus trichocarpaPopulus trichocarpae1
Treatment: 2X-treated tissuee4
Interactor: C. scriptaChrysomela scriptae4herbivore
Outcome: feeding preferencee4
Direction: almost twice as oftene4
Comparator: 1X-treated tissuee4
Setting: greenhouse and field studiese4

Verbatim

e1
“Ramets of Populus trichocarpa Torr. & Gray (black cottonwood) were subjected to near zero (0X), ambient (1X) or twice ambient (2X) doses of biologically effective UV-B radiation (UV-B(BE))”
✓ located verbatim in the source · abstract, characters 258–446

e4
“In feeding preference trials, adult C. scripta chose 2X-treated tissue almost twice as often as 1X-treated tissue in both greenhouse and field studies, but differences were not statistically significant (P = 0.12)”
✓ located verbatim in the source · abstract, characters 1522–1735

Title

Leaf chemical changes induced in Populus trichocarpa by enhanced UV-B radiation and concomitant effects on herbivory by Chrysomela scripta (Coleoptera: Chrysomelidae)

J. M. Warren; J. H. Bassman; S. Eigenbrode Tree Physiology 2002. doi:10.1093/treephys/22.15-16.1137

Other claims from this paper (7)

Intervention effect Enhanced UV-B increased foliar nitrogen and chlorophyll concentrations in young leaves in the greenhouse study.
Intervention effect Enhanced UV-B slightly decreased tannins in young leaves in the greenhouse study.
Intervention effect Enhanced UV-B increased methanol-extractable foliar phenolics in both greenhouse and field studies.
Intervention effect Larvae of C. scripta grown on 2X-treated leaves had a significantly reduced consumption efficiency compared with larvae on 1X-treated leaves in the field study.
Intervention effect Enhanced UV-B had minimal effects on photosynthesis.
Intervention effect Enhanced UV-B had minimal effects on growth, leaf area and biomass distribution.
Intervention effect In the field study, enhanced UV-B had no significant effect on these leaf parameters (foliar nitrogen, chlorophylls and tannins).

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Larvae of C. scripta grown on 2X-treated leaves had a significantly reduced consumption efficiency compared with larvae on 1X-treated leaves in the field study.

Taxon: Populus trichocarpaPopulus trichocarpae1
Treatment: 2X-treated leavese5
Interactor: C. scriptaChrysomela scriptae4herbivore
Outcome: consumption efficiencye5
Direction: reductione5
Comparator: 1X-treated leavese5
Setting: field studye5

Verbatim

e1
“Ramets of Populus trichocarpa Torr. & Gray (black cottonwood) were subjected to near zero (0X), ambient (1X) or twice ambient (2X) doses of biologically effective UV-B radiation (UV-B(BE))”
✓ located verbatim in the source · abstract, characters 258–446

e4
“In feeding preference trials, adult C. scripta chose 2X-treated tissue almost twice as often as 1X-treated tissue in both greenhouse and field studies, but differences were not statistically significant (P = 0.12)”
✓ located verbatim in the source · abstract, characters 1522–1735

e5
“In the field study, first instar larvae grown to adult eclosion on 2X-treated leaves had a significant (P < 0.001) reduction in consumption efficiency compared with larvae grown on 1X-treated leaves”
✓ located verbatim in the source · abstract, characters 1737–1935

Title

Leaf chemical changes induced in Populus trichocarpa by enhanced UV-B radiation and concomitant effects on herbivory by Chrysomela scripta (Coleoptera: Chrysomelidae)

J. M. Warren; J. H. Bassman; S. Eigenbrode Tree Physiology 2002. doi:10.1093/treephys/22.15-16.1137

Other claims from this paper (7)

Intervention effect Enhanced UV-B increased foliar nitrogen and chlorophyll concentrations in young leaves in the greenhouse study.
Intervention effect Enhanced UV-B slightly decreased tannins in young leaves in the greenhouse study.
Intervention effect Enhanced UV-B increased methanol-extractable foliar phenolics in both greenhouse and field studies.
Intervention effect Adult C. scripta chose 2X-treated tissue almost twice as often as 1X-treated tissue in feeding preference trials; the difference was not significant.
Intervention effect Enhanced UV-B had minimal effects on photosynthesis.
Intervention effect Enhanced UV-B had minimal effects on growth, leaf area and biomass distribution.
Intervention effect In the field study, enhanced UV-B had no significant effect on these leaf parameters (foliar nitrogen, chlorophylls and tannins).

Observationobservedoriginal resultmeasured

Claim · model-written summary

The economic injury level for second-generation cottonwood leaf beetle on two-year-old Populus was 0.2 to 0.9 egg masses per growing terminal.

Taxon: PopulusPopuluse0
Organ / stage: actively growing terminale0
Interactor: cottonwood leaf beetleChrysomela scriptae0pest
Outcome: economic injury levelse0
Value: 0.2 to 0.9 egg masses per actively growing terminale0
Qualifier: 2-yr-olde0

Verbatim

e0
“the economic injury levels for second generation cottonwood leaf beetle on 2-yr-old Populus were determined to be from 0.2 to 0.9 egg masses per actively growing terminal”
✓ located verbatim in the source · abstract, characters 579–749

Title

Economic Injury Level for Second-Generation Cottonwood Leaf Beetle (Coleoptera: Chrysomelidae) in Two-Year-Old Populus

Ying Fang; Larry P. Pedigo; Joe P. Colletti; et al. Journal of Economic Entomology 2002. doi:10.1603/0022-0493-95.2.313

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Beetle defoliation caused a 50–73% loss of above-ground volume.

Taxon: PopulusPopulust0
Treatment: Chrysomela scripta defoliatione0
Interactor: Chrysomela scriptaChrysomela scriptae0pest
Outcome: above‐ground volumee0
Direction: losse0
Value: 50–73%e0

Not reportedComparator

Verbatim

e0
“Chrysomela scripta defoliation resulted in a 50–73% loss of above‐ground volume.”
✓ located verbatim in the source · abstract, characters 634–714

t0
“Populus”
✓ located verbatim in the source · title, characters 73–80

Title

Cottonwood leaf beetle (Coleoptera: Chrysomelidae) defoliation impact on Populus growth and above‐ground volume in a short‐rotation woody crop plantation

David R. Coyle; Joel D. McMillin; Richard B. Hall; et al. Agricultural and Forest Entomology 2002. doi:10.1046/j.1461-9563.2002.00149.x

Other claims from this paper (9)

Intervention effect Protected Populus trees of most clones were over 2 m taller after three seasons.
Intervention effect Protected trees had diameters over 1–4 cm larger.
Intervention effect Insecticide protection increased above-ground volume by over 20 dm 3 in one clone.
Intervention effect Insecticide protection increased above-ground volume by at least 4 dm 3 in all other clones.
Intervention effect Defoliation increased lateral branching and forked terminals.
Observation Defoliation impact differed among clones.
Intervention effect The Populus deltoides clone 91 × 04‐03 showed the greatest growth response to chemical protection.
Intervention effect Clone NM2 responded least to chemical protection.
Recommendation The authors recommend chemical and cultural control to reduce herbivore impacts until resistant clones and natural enemies are better understood.

Chrysomela scripta 61 claims

61 claims