Claim · model-written summary
Maize yield was positively correlated with ear leaf SPAD.
- Organ / stage
- ear leafe0
- Outcome
- summer maize yielde0
- Direction
- positively correlatede0
- Qualifier
- SPAD value of ear leafe0
Zea maysNot reportedMaterialGeneCompoundInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“summer maize yield was significantly positively correlated with nitrogen uptake at silking stage and harvest stage and with SPAD value of ear leaf”
Title
De-Lian YE; Yu-Bin WANG; Lin ZHOU; et al. ACTA AGRONOMICA SINICA 2015. doi:10.3724/sp.j.1006.2015.01701
Other claims from this paper (14)
- Intervention effect Ethephon significantly reduced maize nitrogen uptake and uptake efficiency.
- Intervention effect Ethephon increased nitrogen utilization efficiency.
- Intervention effect Ethephon increased nitrogen agronomic efficiency by 32.7 to 34.6 percent.
- Intervention effect Ethephon had no negative effect on yield and yield components.
- Intervention effect Greater nitrogen fertilizer increased maize yield and yield components.
- Intervention effect Greater nitrogen fertilizer increased nitrogen uptake.
- Intervention effect Greater nitrogen fertilizer reduced four nitrogen efficiency measures.
- Intervention effect Nitrogen uptake at 225 kg nitrogen exceeded that at zero nitrogen by 68.4 to 91.8 percent.
- Intervention effect Nitrogen uptake did not differ between 225 and 150 kg nitrogen treatments.
- Association The ethephon by nitrogen interaction significantly affected nitrogen uptake, uptake efficiency and agronomic efficiency.
- Intervention effect Ethephon increased ear leaf SPAD during grain filling.
- Intervention effect Higher nitrogen rate increased ear leaf SPAD during grain filling.
- Association Ethephon and nitrogen fertilizer did not significantly interact for SPAD.
- Association Maize yield was positively correlated with nitrogen uptake at silking and harvest.