ArticleAnnals of botany2013
Hydraulic resistance of developing Actinidia fruit.
Article in Annals of botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Isohydric stomatal behaviour alters fruit vascular flows and minimizes fruit size reductions in drought-stressed 'Hass' avocado (Persea americana Mill.).Annals of botany · 2024Article
- Study of Mineral Composition and Quality of Fruit Using Vascular Restrictions in Branches of Sweet Cherry.Plants (Basel, Switzerland) · 2023Article
- Fruit Growth Stage Transitions in Two Mango Cultivars Grown in a Mediterranean Environment.Plants (Basel, Switzerland) · 2021Article
- Penetration of sweet cherry skin byScientific reports · 2021Article
- Responses of water accumulation and solute metabolism in tomato fruit to water scarcity and implications for main fruit quality variables.Journal of experimental botany · 2020Review
- Linking Fruit Ca Uptake Capacity to Fruit Growth and Pedicel Anatomy, a Cross-Species Study.Frontiers in plant science · 2018Article
- Predicting osmotic potential from measurements of refractive index in cherries, grapes and plums.PloS one · 2018Article
- Physical rupture of the xylem in developing sweet cherry fruit causes progressive decline in xylem sap inflow rate.Planta · 2017Article
- Fruit Calcium: Transport and Physiology.Frontiers in plant science · 2016Review
- Water Transport Properties of the Grape Pedicel during Fruit Development: Insights into Xylem Anatomy and Function Using Microtomography.Plant physiology · 2015Article
- A biophysical model of kiwifruit (Actinidia deliciosa) berry development.Journal of experimental botany · 2013Article
- Fruit Cuticle Thickness and Anatomical Changes in Pedicel Xylem Vessels Influence Fruit Transpiration and Calcium Accumulation in Cranberry Fruit.Physiologia plantarumArticle
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5 authors.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsXylem flows into most fruits decline as the fruit develop, with important effects on mineral and carbohydrate accumulation. It has been hypothesized that an increase in xylem hydraulic resistance (RT) contributes to this process. This study examined changes in RT that occur during development of the berry of kiwifruit (Actinidia deliciosa), identified the region within the fruit where changes were occurring, and tested whether a decrease in irradiance during fruit development caused an increase in RT, potentially contributing to decreased mineral accumulation in shaded fruit.
methodsRT was measured using pressure chamber and flow meter methods, the two methods were compared, and the flow meter was also used to partition RT between the pedicel, receptacle and proximal and distal portions of the berry. Dye was used as a tracer for xylem function. Artificial shading was used to test the effect of light on RT, dye entry and mineral accumulation. KEY
resultsRT decreased during the early phase of rapid fruit growth, but increased again as the fruit transitioned to a final period of slower growth. The most significant changes in resistance occurred in the receptacle, which initially contributed 20 % to RT, increasing to 90 % later in development. Dye also ceased moving beyond the receptacle from 70 d after anthesis. The two methods for measuring RT agreed in terms of the direction and timing of developmental changes in RT, but pressure chamber measurements were consistently higher than flow meter estimates of RT, prompting questions regarding which method is most appropriate for measuring fruit RT. Shading had no effect on berry growth but increased RT and decreased dye movement and calcium concentration.
conclusionsIncreased RT in the receptacle zone coincides with slowing fresh weight growth, reduced transpiration and rapid starch accumulation by the fruit. Developmental changes in RT may be connected to changes in phloem functioning and the maintenance of water potential gradients between the stem and the fruit. The effect of shade on RT extends earlier reports that shading can affect fruit vascular differentiation, xylem flows and mineral accumulation independently of effects on transpiration.
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