Abstract
The aim of this work was to study the mechanism for the delaying effect of pre-harvest salicylic acid treatment on the ripening and softening of muskmelon fruits. The Jin tian mi muskmelon fruit was sprayed with 1.0 mmol/L of salicylic acid for four times at different stages: young fruit stage(2 weeks after flowering), fruit enlarging stage(3weeks after flowering), netting stage(4 weeks after flowering) and 48 h before harvesting. The post-harvest muskmelon was stored at low temperature((7 ± 1) ℃, relative humidity 85 %). The fruit firmness, cellulose content, protopectin content,cellulase(Cx), polygalacturonase(PG), β-glucosidase activities related to the ripening and softening of muskmelon were determined at regular intervals during storage. The results showed that the pre-harvest salicylic acid treatment(1.0 mmol/L)could effectively inhibit the decrease of firmness and protopectin content, delay the increase of soluble pectin content, inhibit the PG, Cx, β-glucosidase activities of muskmelon during storage. The ripening and softening of muskmelon were delayed effectively. In conclusion, salicylic acid treatment significantly inhibited the PG, cellulase and β-glucosidase activities to effectively delay the decrease of the fruit firmness, and therefore delayed the ripening and softening of muskmelon fruits.
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Claims 4
Claim · model-written summary
Salicylic acid inhibited loss of firmness and protopectin content during storage.
- Taxon
- salicylic acid treatmente0
- Treatment
- pre-harvest salicylic acid treatment(1.0 mmol/L)e0
- Outcome
- firmness and protopectin contente0
- Direction
- inhibit the decreasee0
Not reportedComparator
Verbatim
e0“pre-harvest salicylic acid treatment(1.0 mmol/L)could effectively inhibit the decrease of firmness and protopectin content”
Claim · model-written summary
Salicylic acid delayed increase of soluble pectin.
- Taxon
- Muskmelon
.jpg?width=60)
Cucumis melot0 - Treatment
- salicylic acid treatment(1.0 mmol/L)e1
- Outcome
- soluble pectin contente0
- Direction
- delay the increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Muskmelon Fruits”
e0“delay the increase of soluble pectin content”
e1“salicylic acid treatment(1.0 mmol/L)”
Claim · model-written summary
Salicylic acid inhibited PG, Cx and β-glucosidase activities.
- Taxon
- muskmelonCucumis meloe0
- Treatment
- salicylic acid treatment(1.0 mmol/L)e1
- Outcome
- PG, Cx, β-glucosidase activitiese0
- Direction
- inhibite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Muskmelon Fruits”
e0“inhibit the PG, Cx, β-glucosidase activities of muskmelon during storage”
e1“salicylic acid treatment(1.0 mmol/L)”
Claim · model-written summary
Salicylic acid delayed muskmelon ripening and softening.
- Taxon
- muskmelonCucumis meloe0
- Treatment
- salicylic acid treatment(1.0 mmol/L)e1
- Outcome
- ripening and softening of muskmelone0
- Direction
- delayede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ripening and softening of muskmelon were delayed effectively”
e1“salicylic acid treatment(1.0 mmol/L)”
The same questions in other papers
salicylic acid · molecular: metabolites · Cucumis melo (muskmelon)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- negative
- positive
- positive
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.