Claim · model-written summary
High nitrogen significantly exacerbated Zn concentration decline in modern varieties and old varieties.
Zea maysNot reportedGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In the modern varieties the reduction in Cu, P, K, and Zn concentrations were significantly exacerbated by high N rates, but this was not the case in the old varieties, except for Zn.”
t0“Maize Cultivars”
Title
Song Guo; Yanhua Chen; Xiaochao Chen; et al. Frontiers in Plant Science 2020. doi:10.3389/fpls.2019.01662
Other claims from this paper (17)
- Association Element concentrations varied significantly with genotype, year, nitrogen rate and their interactions.
- Association Grain yield tended to rise with hybrid release year.
- Association Modern varieties had significantly lower grain N, Cu and Mn concentrations.
- Association Modern varieties had significantly lower grain Zn concentration.
- Intervention effect Increasing nitrogen raised grain N, Cu and Fe concentrations.
- Intervention effect Increasing nitrogen raised grain Mn concentration.
- Intervention effect Increasing nitrogen reduced grain K, P and Zn concentrations.
- Intervention effect Increasing nitrogen reduced grain Mg concentration.
- Association New-era hybrids yielded 26.08% more than old-era hybrids.
- Association New-era hybrids had 10.01% lower Fe concentration than old-era hybrids.
- Association New-era hybrids had 11.93% lower Zn concentration than old-era hybrids.
- Association New-era hybrids had 21.09% lower Cu concentration than old-era hybrids.
- Association New-era hybrids had 8.25% lower N concentration than old-era hybrids.
- Intervention effect High nitrogen significantly exacerbated declines in Cu, P and K in modern varieties.
- Intervention effect An optimal 120 kg N ha-1 rate increased N, Fe and Mg concentrations in modern varieties.
- Intervention effect An optimal 120 kg N ha-1 rate increased Mn concentration in modern varieties.
- Intervention effect An optimal 120 kg N ha-1 rate did not affect grain yield in modern varieties.