Claim · model-written summary
Preveraison or postveraison deficits inhibited yield, fruit expansion, and bud development, with earlier deficits more inhibitory.
- Taxon
- Vitis vinifera L. cv. Cabernet franc
Vitis viniferae1 - Treatment
- Water deficits imposed before or after veraisone0
- Outcome
- yield, fruit expansion, and bud developmente0
- Direction
- inhibitede0
- Qualifier
- early deficits were more inhibitorye0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Water deficits imposed before or after veraison inhibited yield, fruit expansion, and bud development, but early deficits were more inhibitory.”
e1“Vitis vinifera L. cv. Cabernet franc”
Title
Reproductive Development in Grape (Vitis viniferaL.): Responses to Seasonal Water Deficits
Mark A. Matthews; Michael M. Anderson American Journal of Enology and Viticulture 1989. doi:10.5344/ajev.1989.40.1.52
Other claims from this paper (7)
- Intervention effect Withholding irrigation before or after veraison imposed significant water deficits.
- Intervention effect Doubling irrigation increased fruit growth, cluster initiation, and bud differentiation.
- Intervention effect Increasing irrigation above standard practice raised yield by 30% to 40%.
- Observation Vine water status decreased until veraison across treatments.
- Observation Treatment differences in vine water status emerged only after fruit set.
- Intervention effect All water deficits depressed second crop development.
- Association Variation in berries per cluster explained the greatest amount of yield variation.