Abstract
The incidence of anthracnosecaused by Colletotrichum musae on bananafruitS after harvest was investigatedwhen the fruits were dipped in a solution of ethrel 1 000 mg/L for 1 minand allowed to ripen for 5 d at 20℃and RH 80% - 90% prior to shelf Period at ambient temperature (25 -30℃ ) and RH 55%- 65%. The apPearance of disease symptoms was related to the physiological condition of thefruits. The activities of chitinasq and β-1, 3-glucanase increased gradually during pathogenesis. However, it decreased a little when the fruits showedobvious disease symptoms (Fig. 1 ).The treatment with sporgon at a concentration of 1 mg/L suppressed boththe development of anthracnose and theincreases of chitinase and p-1, 3-glucanase activities (Table 1 ), a fact suggesting that pathogenesis enhanced theactivities of the two enzymes. The content of dopamine in banana Peel washigh (1. 28 mg/g FW)at harvest, andthen decreased markedly during the incidence of anthracnose (Fig. 3 ). Compared with the variety 63- 1, the activities of chitinase and β-1, 3-glucanase and the content of dopaminewere higher in the variety Black-oilshape(Table 2), which might be asso-elated with a stronger resistance to thediseases.
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Claims 9
Claim · model-written summary
Anthracnose symptom appearance was related to fruit physiological condition.
Not reportedDirection
Verbatim
e0“The apPearance of disease symptoms was related to the physiological condition of thefruits.”
t0“Banana”
Claim · model-written summary
Chitinase and β-1, 3-glucanase activities increased gradually during pathogenesis.
Verbatim
e0“The activities of chitinasq and β-1, 3-glucanase increased gradually during pathogenesis.”
t0“Banana”
Claim · model-written summary
Defense-enzyme activities decreased slightly when symptoms became obvious.
Verbatim
e0“However, it decreased a little when the fruits showedobvious disease symptoms”
t0“Banana”
Claim · model-written summary
Sporgon at 1 mg/L suppressed anthracnose development.
- Taxon
- Bananat0
- Treatment
- sporgon at a concentration of 1 mg/Le0
- Outcome
- development of anthracnosee0
- Direction
- suppressede0
Not reportedComparator
Verbatim
e0“The treatment with sporgon at a concentration of 1 mg/L suppressed boththe development of anthracnose”
t0“Banana”
Claim · model-written summary
Sporgon at 1 mg/L suppressed increases in chitinase and glucanase activity.
- Taxon
- Bananat0
- Treatment
- sporgon at a concentration of 1 mg/Le0
- Outcome
- increases of chitinase and p-1, 3-glucanase activitiese0
- Direction
- suppressede0
Not reportedComparator
Verbatim
e0“The treatment with sporgon at a concentration of 1 mg/L suppressed boththe development of anthracnose and theincreases of chitinase and p-1, 3-glucanase activities”
t0“Banana”
Claim · model-written summary
Banana peel dopamine content was 1. 28 mg/g FW at harvest.
Verbatim
e0“The content of dopamine in banana Peel washigh (1. 28 mg/g FW)at harvest”
Claim · model-written summary
Banana peel dopamine content decreased markedly during anthracnose incidence.
Verbatim
e0“andthen decreased markedly during the incidence of anthracnose”
t0“Dopamine of Banana”
Claim · model-written summary
Black-oilshape had higher chitinase and β-1, 3-glucanase activity than variety 63- 1.
Verbatim
e0“Compared with the variety 63- 1, the activities of chitinase and β-1, 3-glucanase and the content of dopaminewere higher in the variety Black-oilshape”
t0“Banana”
Claim · model-written summary
Black-oilshape had higher dopamine content than variety 63- 1.
Verbatim
e0“Compared with the variety 63- 1, the activities of chitinase and β-1, 3-glucanase and the content of dopaminewere higher in the variety Black-oilshape”
t0“Banana”