Abstract
Abstract To examine the effect of early‐climacteric (postripening) 1‐methylcyclopropene (1‐MCP) exposure on the shelf‐life and quality of green Cavendish bananas ( Musa acuminata cv. Williams) from the middle section of the bunch, bananas were harvested bimonthly and treated with 100 μL L −1 ethylene for 2 consecutive days prior to exposure to 0, 100, 300, 1000, 3000 or 10 000 nL L −1 1‐MCP for 24 h prior to storage at 22°C. 1‐MCP treatment at a concentration of 300 nL L −1 or above increased banana shelf‐life significantly compared with the control, regardless of the month in which fruit were harvested except March where a higher concentration was needed (3000 nL L −1 ). Fruit harvested in May were the most responsive with a greater than twofold increase in shelf‐life. To examine the effect of fruit position in the bunch on 1‐MCP efficacy, green fruit from the top or bottom of bunches were treated with 100 μL L −1 ethylene for 2 consecutive days prior to early‐climacteric 1‐MCP (300 nL L −1 ) exposure for 24 h at 22°C. In spring and autumn but not in summer, application of 1‐MCP to early‐climacteric fruit was more effective in fruit from the top than in those treated from the bottom of the bunch, increasing shelf‐life. Firmness of 1‐MCP‐treated fruit was up to 19% greater than that of the control across the year, except in fruit from the bottom of the bunch. Given that 1‐MCP is less effective in extending the shelf‐life of summer‐harvested fruit (particularly those from the bottom of the bunch), we conclude that preharvest conditions and fruit position in the bunch affect their responsiveness to ethylene and their behaviour during the ripening process.
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Claims 5
Claim · model-written summary
1-MCP at 300 nL L −1 or above significantly extended banana shelf-life except in March, when 3000 nL L −1 was needed.
Verbatim
e0“1‐MCP treatment at a concentration of 300 nL L −1 or above increased banana shelf‐life significantly compared with the control, regardless of the month in which fruit were harvested except March where a higher concentration was needed (3000 nL L −1 ).”
t0“banana”
Claim · model-written summary
May-harvested fruit had a greater than twofold shelf-life increase.
Verbatim
e0“Fruit harvested in May were the most responsive with a greater than twofold increase in shelf‐life.”
t0“banana”
Claim · model-written summary
In spring and autumn, 1-MCP increased shelf-life more for top than bottom bunch fruit.
Verbatim
e0“In spring and autumn but not in summer, application of 1‐MCP to early‐climacteric fruit was more effective in fruit from the top than in those treated from the bottom of the bunch, increasing shelf‐life.”
t0“banana”
Claim · model-written summary
1-MCP-treated fruit were up to 19% firmer than controls except at the bunch bottom.
Verbatim
e0“Firmness of 1‐MCP‐treated fruit was up to 19% greater than that of the control across the year, except in fruit from the bottom of the bunch.”
t0“banana”
Claim · model-written summary
The authors conclude that preharvest conditions and fruit position affect banana responsiveness to ethylene and ripening behavior.
- Taxon
- bananat0
- Organ / stage
- fruit position in the bunche0
- Outcome
- responsiveness to ethylene and their behaviour during the ripening processe0
Not reportedDirection
Verbatim
e0“we conclude that preharvest conditions and fruit position in the bunch affect their responsiveness to ethylene and their behaviour during the ripening process.”
t0“banana”
The same questions in other papers
1-methylcyclopropene · quality: postharvest · MusaResults differ
35 papers in the same direction as this paper · 3 in the opposite direction
- positive
- positive
- positive
35 papers more in this group
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