Abstract
BACKGROUND: Apples are subject to a high degree of fungal diseases, but the use of synthetic fungicides has been questioned because of public safety concerns, social rejection, and the development of resistance in pathogens. Thus, development of new postharvest treatments against apple fungal pathogens is necessary. Most studies have reported their effectiveness, but not all report the effects on the quality and storability of the fruit. In this study, the effects of physical (hot water), chemical (quercetin) and biological (yeast antagonist) microfungal control on the quality of 'Golden Delicious' apple during storage at 2 ± 0.5 °C, and 90 ± 2% of relative humidity, for 2 months were investigated and compared. RESULTS: Heat-treated apples exhibited peel fruit damage (surface browning and internal breakdown disorders) and promoted ripening in the fruit. The quercetin caustic spray caused the development of peel chemical burn in all treated fruit. Both yeast antagonist and quercetin treatments did not affect the apple ripening process but stimulated an increase in ethylene production and in respiratory activity. CONCLUSION: The data indicated that the effects on quality and storability were dependent on the method of treatment used, and antagonistic yeast was the best microfungal control because of it did not cause any disorders or negative effects on apple quality during storage.
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Claims 9
Claim · model-written summary
Heat treatment caused apple peel damage, including browning and internal breakdown.
- Taxon
- apples
Malus domesticae0 - Treatment
- Heat-treatede0
- Outcome
- peel fruit damage (surface browning and internal breakdown disorders)e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Heat-treated apples exhibited peel fruit damage (surface browning and internal breakdown disorders) and promoted ripening in the fruit.”
Claim · model-written summary
Heat treatment promoted apple ripening.
- Taxon
- applesMalus domesticae0
- Treatment
- Heat-treatede0
- Outcome
- ripeninge0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Heat-treated apples exhibited peel fruit damage (surface browning and internal breakdown disorders) and promoted ripening in the fruit.”
Claim · model-written summary
Quercetin caustic spray caused peel chemical burn in all treated apples.
- Taxon
- applesMalus domesticat0
- Treatment
- quercetin caustic spraye0
- Outcome
- peel chemical burne0
- Qualifier
- all treated fruite0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The quercetin caustic spray caused the development of peel chemical burn in all treated fruit.”
t0“apples”
Claim · model-written summary
Yeast antagonist treatment did not affect apple ripening.
- Taxon
- appleMalus domesticae0
- Treatment
- yeast antagoniste0
- Interactor
- yeaste0biocontrol_agent
- Outcome
- ripening processe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both yeast antagonist and quercetin treatments did not affect the apple ripening process but stimulated an increase in ethylene production and in respiratory activity.”
Claim · model-written summary
Quercetin treatment did not affect apple ripening.
- Taxon
- appleMalus domesticae0
- Treatment
- quercetin treatmentse0
- Outcome
- ripening processe0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both yeast antagonist and quercetin treatments did not affect the apple ripening process but stimulated an increase in ethylene production and in respiratory activity.”
Claim · model-written summary
Yeast antagonist treatment increased apple ethylene production and respiratory activity.
- Taxon
- appleMalus domesticae0
- Treatment
- yeast antagoniste0
- Interactor
- yeaste0biocontrol_agent
- Outcome
- ethylene production and in respiratory activitye0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both yeast antagonist and quercetin treatments did not affect the apple ripening process but stimulated an increase in ethylene production and in respiratory activity.”
Claim · model-written summary
Quercetin treatment increased apple ethylene production and respiratory activity.
- Taxon
- appleMalus domesticae0
- Treatment
- quercetin treatmentse0
- Outcome
- ethylene production and in respiratory activitye0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both yeast antagonist and quercetin treatments did not affect the apple ripening process but stimulated an increase in ethylene production and in respiratory activity.”
Claim · model-written summary
Antagonistic yeast caused no disorders or negative effects on apple quality during storage.
- Taxon
- appleMalus domesticae0
- Treatment
- antagonistic yeaste0
- Interactor
- yeaste0biocontrol_agent
- Outcome
- disorders or negative effects on apple qualitye0
- Direction
- did not causee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“antagonistic yeast was the best microfungal control because of it did not cause any disorders or negative effects on apple quality during storage.”
Claim · model-written summary
The authors identify antagonistic yeast as the best microfungal control for stored apples.
- Taxon
- appleMalus domesticae0
- Interactor
- yeaste0biocontrol_agent
- Outcome
- antagonistic yeast was the best microfungal controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“antagonistic yeast was the best microfungal control because of it did not cause any disorders or negative effects on apple quality during storage.”
The same questions in other papers
quercetin · quality: postharvest · Malus domestica (apple)Positive and negative results
1 in the opposite direction
- positive
heat · quality: postharvest · Malus domestica (apple)Results differ
7 papers in the same direction as this paper · 34 in the opposite direction
- positive
- positive
- negative
38 papers more in this group
See all 42 papers →heat · disease · Malus domestica (apple)Positive and negative results
8 papers in the same direction as this paper · 21 in the opposite direction
- positive
- positive
- positive
26 papers more in this group
See all 30 papers →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.