Abstract
The effect of deficit irrigation and reflective mulch underneath the tree canopy on quality at harvest and during cold storage of ‘Royal Glory’ peaches (Prunus persica L.) was studied for two consecutive growing seasons. Four treatments were applied: 1) control, irrigation at 100% of crop evapotranspiration (ETc); 2) deficit irrigation (DI), irrigation at 75% of ETc in the last 3 weeks before harvest and 50% of ETc postharvest; 3) reflective mulch Extenday™ underneath the tree canopy; 4) the combined treatment of reflective mulch and deficit irrigation. Quality was assessed in fruit from the upper (sun-exposed) and lower (shaded) tree canopy at harvest and after 2, 4, and 6 weeks at 2°C plus 1 day of shelf life at 20°C. The quality parameters measured were fruit mass, skin color, flesh firmness and specific conductivity, juice acidity and soluble solids content (SSC), percent dry matter (DM) and total phenolic content in the edible part. Incidence and severity of chilling injury (CI) symptoms were also evaluated. Furthermore, tree fruit productivity and solar radiation (UV and PAR) above and underneath the tree canopy were measured. During cold storage, skin color changed slightly, fruit softened and the specific conductivity, SSC, acidity and percent dry matter decreased, while total phenolic content and CI symptoms increased. Reflective mulch application improved light availability and fruit quality, especially in the lower tree canopy. Peaches grown under DI had similar fruit quality and CI symptoms as control fruit, but decreased yield and fruit size. Peaches from the reflective mulch treatment were more mature at harvest than the fruit from other treatments, and reported better quality (especially the lower canopy fruit), and similar storage performance compared to control fruit. The fruit from the combined treatment behaved like the separate DI or reflective mulch treatments. © 2022 International Society for Horticultural Science. All rights reserved.
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Claims 17
Claim · model-written summary
During cold storage, peach skin color changed slightly.
- Taxon
- peach
Prunus persicat0 - Outcome
- skin colore0
- Direction
- changed slightlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“During cold storage, skin color changed slightly”
Claim · model-written summary
Peach fruit softened during cold storage.
- Taxon
- peachPrunus persicat0
- Outcome
- fruite0
- Direction
- softenede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“During cold storage, skin color changed slightly, fruit softened”
Claim · model-written summary
Peach specific conductivity decreased during cold storage.
- Taxon
- peachPrunus persicat0
- Outcome
- specific conductivitye0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“the specific conductivity, SSC, acidity and percent dry matter decreased”
Claim · model-written summary
Peach SSC decreased during cold storage.
- Taxon
- peachPrunus persicat0
- Outcome
- SSCe0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“the specific conductivity, SSC, acidity and percent dry matter decreased”
Claim · model-written summary
Peach acidity decreased during cold storage.
- Taxon
- peachPrunus persicat0
- Outcome
- aciditye0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“the specific conductivity, SSC, acidity and percent dry matter decreased”
Claim · model-written summary
Peach percent dry matter decreased during cold storage.
- Taxon
- peachPrunus persicat0
- Outcome
- percent dry mattere0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“the specific conductivity, SSC, acidity and percent dry matter decreased”
Claim · model-written summary
Peach total phenolic content increased during cold storage.
- Taxon
- peachPrunus persicat0
- Outcome
- total phenolic contente0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“total phenolic content and CI symptoms increased”
Claim · model-written summary
Peach CI symptoms increased during cold storage.
- Taxon
- peachPrunus persicat0
- Outcome
- CI symptomse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“total phenolic content and CI symptoms increased”
Claim · model-written summary
Reflective mulch improved light availability under the peach canopy.
- Taxon
- peachPrunus persicat0
- Treatment
- Reflective mulch applicatione0
- Outcome
- light availabilitye0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“Reflective mulch application improved light availability and fruit quality, especially in the lower tree canopy”
Claim · model-written summary
Reflective mulch improved peach fruit quality, particularly in the lower canopy.
- Taxon
- peachPrunus persicat0
- Treatment
- Reflective mulch applicatione0
- Outcome
- fruit qualitye0
- Direction
- improvede0
- Qualifier
- especially in the lower tree canopye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“Reflective mulch application improved light availability and fruit quality, especially in the lower tree canopy”
Claim · model-written summary
Deficit-irrigated peaches had similar fruit quality and chilling-injury symptoms to controls.
- Taxon
- peachPrunus persicat0
- Treatment
- DIe0
- Outcome
- fruit quality and CI symptomse0
- Direction
- similare0
- Comparator
- control fruite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“Peaches grown under DI had similar fruit quality and CI symptoms as control fruit”
Claim · model-written summary
Deficit irrigation decreased peach yield relative to controls.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“Peaches grown under DI had similar fruit quality and CI symptoms as control fruit, but decreased yield and fruit size”
Claim · model-written summary
Deficit irrigation decreased peach fruit size relative to controls.
- Taxon
- peachPrunus persicat0
- Treatment
- DIe0
- Outcome
- fruit sizee0
- Direction
- decreasede0
- Comparator
- control fruite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“Peaches grown under DI had similar fruit quality and CI symptoms as control fruit, but decreased yield and fruit size”
Claim · model-written summary
Peaches under reflective mulch were more mature at harvest than fruit under other treatments.
- Taxon
- peachPrunus persicat0
- Treatment
- reflective mulch treatmente0
- Outcome
- more mature at harveste0
- Direction
- more maturee0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“Peaches from the reflective mulch treatment were more mature at harvest than the fruit from other treatments”
Claim · model-written summary
Reflective-mulch peaches had better quality than other treatments, especially in the lower canopy.
- Taxon
- peachPrunus persicat0
- Treatment
- reflective mulch treatmente0
- Outcome
- better qualitye0
- Direction
- bettere0
- Comparator
- other treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“Peaches from the reflective mulch treatment were more mature at harvest than the fruit from other treatments, and reported better quality (especially the lower canopy fruit)”
Claim · model-written summary
Reflective mulch produced similar peach storage performance to control fruit.
- Taxon
- peachPrunus persicat0
- Outcome
- storage performancee0
- Direction
- similare0
- Comparator
- control fruite0
Not reportedTreatment
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“similar storage performance compared to control fruit”
Claim · model-written summary
Combined deficit irrigation and reflective mulch produced fruit responses like the separate treatments.
- Taxon
- peachPrunus persicat0
- Treatment
- combined treatmente0
- Outcome
- behaved likee0
- Direction
- behaved likee0
- Comparator
- separate DI or reflective mulch treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“peach quality and storage performance”
e0“The fruit from the combined treatment behaved like the separate DI or reflective mulch treatments”
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Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.