Claim · model-written summary
Urea spray increased Washington Navel orange fruit set.
- Taxon
- Washington Navel orange
Citrus sinensise1 - Treatment
- urea spraye1
- Outcome
- fruit sete1
- Direction
- increasede1
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“The fruit set of Washington Navel orange was increased by the application of gibberellin or urea spray in the flowering or young fruit period.”
Title
Studies on the control of alternate bearing in citrus. VII
T. IWASAKI; M. NISHIURA; T. SHICHIJO; et al. Journal of the Japanese Society for Horticultural Science 1962. doi:10.2503/jjshs.31.101
Other claims from this paper (16)
- Intervention effect Gibberellin increased Washington Navel orange fruit set.
- Intervention effect Natsudaidai cross pollination increased fruit set.
- Intervention effect Cross pollination combined with gibberellin was more effective than single treatments.
- Intervention effect Cross pollination combined with urea was more effective than single treatments.
- Intervention effect Gibberellin seemed more effective than Natsudaidai cross pollination.
- Intervention effect Gibberellin in the young fruit period was more effective than at flowering.
- Intervention effect Repeated gibberellin sprays differed little from a young fruit spray.
- Intervention effect Urea was more effective at flowering than during the young fruit period.
- Intervention effect Gibberellin seemed more effective up to 500ppm.
- Intervention effect The difference between 500ppm and 1000ppm was not remarkable.
- Intervention effect 2, 4-D showed no definite effect on fruit set.
- Intervention effect 2, 4, 5-T showed no definite effect on fruit set.
- Intervention effect 2, 4, 5-TP showed no definite effect on fruit set.
- Intervention effect urea showed no effect on fruit set in trees with many flowers and few leaves.
- Intervention effect gibberellin showed no effect on fruit set in trees with many flowers and few leaves.
- Intervention effect cross-pollination with Natsudaidai showed no effect on fruit set in trees with many flowers and few leaves.