Claim · model-written summary
Photosynthetically active radiation was an important factor inducing the diurnal variation of photosynthetic rate in rice.
- Taxon
- rice
Oryza sativae0 - Treatment
- Photosynthetically active radiation (PRA)e1
- Outcome
- diurnal variation of photosynthetic ratee1
- Direction
- inducede1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Net photosynthetic rate and transpiration of rice blade decrease at noon in summer sunshine in red soil hilly area of subtropics, and their diurnal variation gives a typical curve with double peak”
e1“Photosynthetically active radiation (PRA) and temperature are the two important environmental factors induced the diurnal variation of photosynthetic rate”
Title
CHARACTERISTICS OF PHOTOSYNTHESIS FOR DOUBLE-CROPPING RICE IN THE RED SOIL HILLY AREA
Yun Liu 资源科学 2001
Other claims from this paper (14)
- Observation Net photosynthetic rate and transpiration of rice blades decrease at noon in summer sunshine.
- Observation The diurnal variation of rice photosynthesis gives a typical curve with a double peak.
- Association Temperature was an important factor inducing the diurnal variation of photosynthetic rate in rice.
- Association Transpiration intensity of rice decreases with increasing temperature.
- Association The decrease of stomatal conductance from water deficiency accompanies a decrease in rice photosynthetic rate.
- Observation Light compensation point of the upper rice blade is lower than that of the lower blade.
- Observation Light saturation point of the upper rice blade is higher than that of the lower blade.
- Observation Apparent quantum yield of the second rice blade was 0 049～0 068μmol CO 2 m -2 s -1 /μmol photons m -2 s -1.
- Observation Apparent quantum yield of the forth rice blade was 0 044～0 060μmol CO 2 m -2 s -1 /μmol photons m -2 s -1.
- Observation Light use efficiency of the second rice blade was 2 6%～5 7%.
- Observation Light use efficiency of the forth rice blade was 2 0%～5 8%.
- Observation Maximum photosynthetic rate of the flag blade was 19 58, 17 78 and 14 4μmol CO 2 m -2 s -1 in early and late ripe rice.
- Observation Maximum photosynthetic rate of the second blade was 26 46μmol CO 2 m -2 s -1.
- Observation Maximum photosynthetic rate of the forth rice blade was 17 27μmol CO 2 m -2 s -1.