Abstract
SummaryAnthracnose, caused by Colletotrichum musae, is the major disease affecting the quality of banana fruit during storage. To control banana anthracnose, the combined effects of coatings with gum arabic [GA; at 5, 10, 15 or 20% (w/v)] and 0.75% (w/v) chitosan (CH) were investigated and compared to untreated controls. In vitro results showed significant (P < 0.05) inhibition of mycelial growth and conidial germination of C. musae in all combined treatments compared to the untreated controls after 7 d of incubation at room temperature (25°C). However, potato dextrose agar (PDA) plates amended with 10% (w/v) GA gave the most promising results among all test treatments in suppressing mycelial growth (86%) and inhibiting conidial germination (80%), while no effective inhibition of conidial germination was observed in the controls. In vivo results confirmed that 10% (w/v) GA was the optimum concentration to control fruit decay (70%), while showing efficacy on the reduction of growth of C. musae on artificially inoculated banana fruit. The combined coatings of GA + CH also significantly delayed ripening in terms of weight loss, fruit firmness, soluble solids content, and titratable acidity. These results support the possibility of using 10% (w/v) GA combined with 0.75% (w/v) CH as an alternative strategy to control post-harvest anthracnose disease in banana fruit.
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Claims 10
Claim · model-written summary
All combined gum arabic and chitosan coatings significantly inhibited C. musae mycelial growth against controls after seven days.
- Taxon
- bananat0
- Treatment
- all combined treatmentse0
- Interactor
- C. musae
-_Anthracnose_caused_by_Colletotrichum_musae.jpg?width=60)
Colletotrichum musaee0pathogen - Outcome
- mycelial growthe0
- Direction
- inhibitione0
- Qualifier
- after 7 d of incubation at room temperature (25°C)e0
- Comparator
- untreated controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
-_Anthracnose_caused_by_Colletotrichum_musae.jpg?width=500)
Verbatim
e0“In vitro results showed significant (P < 0.05) inhibition of mycelial growth and conidial germination of C. musae in all combined treatments compared to the untreated controls after 7 d of incubation at room temperature (25°C)”
t0“banana fruit”
Claim · model-written summary
All combined coatings significantly inhibited C. musae conidial germination against controls after seven days.
- Taxon
- bananat0
- Treatment
- all combined treatmentse0
- Interactor
- C. musaeColletotrichum musaee0pathogen
- Outcome
- conidial germination of C. musaee0
- Direction
- inhibitione0
- Qualifier
- after 7 d of incubation at room temperature (25°C)e0
- Comparator
- untreated controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In vitro results showed significant (P < 0.05) inhibition of mycelial growth and conidial germination of C. musae in all combined treatments compared to the untreated controls after 7 d of incubation at room temperature (25°C)”
t0“banana fruit”
Claim · model-written summary
10% gum arabic suppressed mycelial growth by 86%, the strongest result among treatments.
Verbatim
e0“potato dextrose agar (PDA) plates amended with 10% (w/v) GA gave the most promising results among all test treatments in suppressing mycelial growth (86%)”
t0“banana fruit”
Claim · model-written summary
10% gum arabic inhibited conidial germination by 80%, the strongest result among treatments.
Verbatim
e0“10% (w/v) GA gave the most promising results among all test treatments in suppressing mycelial growth (86%) and inhibiting conidial germination (80%)”
t0“banana fruit”
Claim · model-written summary
Controls showed no effective inhibition of conidial germination.
- Taxon
- bananat0
- Outcome
- inhibition of conidial germinatione0
- Direction
- no effective inhibitione0
- Qualifier
- controlse0
Not reportedTreatmentComparator
Verbatim
e0“no effective inhibition of conidial germination was observed in the controls”
t0“banana fruit”
Claim · model-written summary
10% gum arabic was the optimum tested concentration for controlling fruit decay, at 70%.
Not reportedComparator
Verbatim
e0“10% (w/v) GA was the optimum concentration to control fruit decay (70%)”
t0“banana fruit”
Claim · model-written summary
10% gum arabic reduced C. musae growth on inoculated banana fruit.
- Taxon
- bananae0
- Treatment
- 10% (w/v) GAe0
- Interactor
- C. musaeColletotrichum musaee0pathogen
- Outcome
- growth of C. musaee0
- Direction
- reductione0
- Qualifier
- artificially inoculated banana fruite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“10% (w/v) GA was the optimum concentration to control fruit decay (70%), while showing efficacy on the reduction of growth of C. musae on artificially inoculated banana fruit”
Claim · model-written summary
Combined GA and CH coatings significantly delayed banana fruit ripening as measured by weight loss, firmness, and soluble solids content.
- Taxon
- bananat0
- Treatment
- combined coatings of GA + CHe0
- Outcome
- weight loss, fruit firmness, soluble solids contente0
- Direction
- delayede0
Not reportedComparator
Verbatim
e0“The combined coatings of GA + CH also significantly delayed ripening in terms of weight loss, fruit firmness, soluble solids content, and titratable acidity”
t0“banana fruit”
Claim · model-written summary
Combined GA and CH coatings significantly delayed ripening as measured by titratable acidity.
Not reportedComparator
Verbatim
e0“The combined coatings of GA + CH also significantly delayed ripening in terms of weight loss, fruit firmness, soluble solids content, and titratable acidity”
t0“banana fruit”
Claim · model-written summary
The authors propose 10% GA with 0.75% CH as an alternative for postharvest banana anthracnose control.
Verbatim
e0“These results support the possibility of using 10% (w/v) GA combined with 0.75% (w/v) CH as an alternative strategy to control post-harvest anthracnose disease in banana fruit”
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See all 8 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.