Claim · model-written summary
harvest index (HI) declined 4.8% under 200 nl/L ozone.
- Taxon
- rice
Oryza sativat0 - Treatment
- 200 nl/L O3 treatmente0
- Outcome
- harvest index (HI)e0
- Direction
- reducede0
- Value
- 4.8%e0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The 1000 grain dry weight and the harvest index (HI) were not changed significantly under 50 nl/L or 100 nl/L O3 exposure, but reduced by 17.0% and 4.8% by 200 nl/L O3 treatment, respectively.”
t0“Impacts of ozone on the biomass and yield of rice in open-top chambers.”
Title
Impacts of ozone on the biomass and yield of rice in open-top chambers.
M H Jin; Z W Feng; F Z Zhang PubMed 2001
Other claims from this paper (16)
- Intervention effect Ozone significantly decreased total biomass per rice plant.
- Intervention effect Elevated ozone reduced rice root growth more than shoot growth.
- Intervention effect Ozone decreased rice grain number per plant with fewer ears and grains per ear and more unfilled grains.
- Intervention effect 1000 grain dry weight did not change significantly under 50 or 100 nl/L ozone.
- Intervention effect harvest index (HI) did not change significantly under 50 or 100 nl/L ozone.
- Intervention effect 1000 grain dry weight declined 17.0% under 200 nl/L ozone.
- Intervention effect CF50 reduced grain yield by 8.2% versus CFA.
- Intervention effect CF100 reduced grain yield by 26.1% versus CFA.
- Intervention effect CF200 reduced grain yield by 49.1% versus CFA.
- Intervention effect CF50 reduced biomass by 14.2%.
- Intervention effect CF100 reduced biomass by 31.7%.
- Intervention effect CF200 reduced biomass by 51.7%.
- Association 7 h-daily mean O3 concentration exposure was well correlated with relative grain yield.
- Association AOT40 was well correlated with relative grain yield.
- Observation A 10% yield loss was estimated at 46.9 nl/L O3.
- Observation A 10% yield loss was estimated at 12930 nl/(L.h) O3.