Abstract
The effects of pre-harvest and post-harvest applications of gibberellin (GA3) at different concentrations of 0.0, 0.5, 1.0, 2.0 and 3.0 g L(‑1) on appearance quality of ‘Guifei’ mango were investigated. The results showed that: (1) When application with GA3 during pre-harvest, lower GA3 treatments could delay the change of a* value, inhibit degradation of chlorophyll and the accumulation of carotenoid and anthocyanin, and decrease the activities of chlorophyllase (Chlase) and chalcone isomerase (CHI). However, higher concentration (>1.0 g L(‑1)) treatment could result in incomplete change in peel color until ripening. (2) When application with GA3 during post-harvest, the degradation of chlorophyll, the synthesis of anthocyanin and carotenoid, and the change of peel color were retarded greatly by GA3 treatment. Thus, the higher concentration (>2.0 g L(‑1)) could make mangoes not turning color completely at the end of storage period. Therefore, it is suggested that unsuitable GA3 concentration applied during pre-harvest (>1.0 g L(‑1)) or post-harvest (>2.0 g L(‑1)) had a negative influence on the appearance quality of ‘Guifei’ mangos.
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Claims 6
Claim · model-written summary
Lower preharvest GA3 delayed mango peel a* change and inhibited chlorophyll degradation and carotenoid and anthocyanin accumulation.
- Taxon
- mango
_from_India.jpg?width=60)
Mangifera indicat0 - Treatment
- lower GA3 treatmentse0
- Outcome
- change of a* valuee0
- Direction
- delaye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_from_India.jpg?width=500)
Verbatim
e0“lower GA3 treatments could delay the change of a* value, inhibit degradation of chlorophyll and the accumulation of carotenoid and anthocyanin”
t0“‘Guifei’ mangoes”
Claim · model-written summary
Lower preharvest GA3 decreased chlorophyllase and chalcone isomerase activities.
- Taxon
- mangoesMangifera indicat0
- Treatment
- lower GA3 treatmentse1
- Outcome
- activities of chlorophyllase (Chlase) and chalcone isomerase (CHI)e0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“decrease the activities of chlorophyllase (Chlase) and chalcone isomerase (CHI)”
t0“‘Guifei’ mangoes”
e1“lower GA3 treatments could delay”
Claim · model-written summary
Preharvest GA3 above 1.0 g L(‑1) led to incomplete mango peel color change by ripening.
- Taxon
- mangoesMangifera indicat0
- Treatment
- higher concentration (>1.0 g L(‑1)) treatmente0
- Outcome
- change in peel colore0
- Direction
- incompletee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher concentration (>1.0 g L(‑1)) treatment could result in incomplete change in peel color until ripening”
t0“‘Guifei’ mangoes”
Claim · model-written summary
Postharvest GA3 retarded mango chlorophyll degradation and anthocyanin and carotenoid synthesis.
- Taxon
- mangoesMangifera indicat0
- Treatment
- GA3 treatmente0
- Outcome
- degradation of chlorophylle0
- Direction
- retardede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the degradation of chlorophyll, the synthesis of anthocyanin and carotenoid, and the change of peel color were retarded greatly by GA3 treatment”
t0“‘Guifei’ mangoes”
Claim · model-written summary
Postharvest GA3 above 2.0 g L(‑1) prevented complete mango color change by the end of storage.
- Taxon
- mangoesMangifera indicae0
- Treatment
- higher concentration (>2.0 g L(‑1))e0
- Outcome
- turning colore0
- Direction
- not turning color completelye0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher concentration (>2.0 g L(‑1)) could make mangoes not turning color completely at the end of storage period”
Claim · model-written summary
The authors advise against excessive preharvest and postharvest GA3 concentrations for Guifei mango appearance.
Verbatim
e0“unsuitable GA3 concentration applied during pre-harvest (>1.0 g L(‑1)) or post-harvest (>2.0 g L(‑1)) had a negative influence on the appearance quality of ‘Guifei’ mangos”
The same questions in other papers
Gibberellic acid · physiology: pigments · Mangifera indica (mango)Positive and negative results
1 in the opposite direction
- positive
Gibberellic acid · molecular: metabolites · Mangifera indica (mango)Results agree
1 paper in the same direction as this paper
- no effect
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.