Claim · model-written summary
Photosynthetic rate explained spatial variability in strawberry yield better than PPFD.
- Taxon
- strawberry
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Fragaria ×ananassae1 - Outcome
- Yield spatial variabilitye0
- Comparator
- PPFDe0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentSettingDirectionValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e1“strawberry fruit yield in a greenhouse”
e0“Yield spatial variability was better explained by A than by PPFD”
Title
Kensuke Kimura; Daisuke Yasutake; Kota Koikawa; et al. Precision Agriculture 2022. doi:10.1007/s11119-022-09933-z
Other claims from this paper (9)
- Method / resource The method estimated spatial and temporal PPFD variability with 4.4% relative root mean square error.
- Method / resource The method estimated spatial and temporal leaf photosynthetic rate variability with 11.0% relative root mean square error.
- Association PPFD varied over the day and season with sun position and external light intensity.
- Observation Leaf photosynthetic rate varied less spatially than PPFD.
- Mechanism Excessive leaf temperature reduced leaf photosynthetic rate through physical and physiological mechanisms.
- Observation Leaf photosynthetic rate saturated at high PPFD.
- Association The association of photosynthetic rate with yield weakened from winter to spring, with R squared declining from 46% to 12%.
- Mechanism The authors suggest photoassimilate availability replaced photosynthetic rate as the main yield limitation over cultivation.
- Method / resource The authors state that the method can be applied to other greenhouse types.