Abstract
The export of New Zealand tomatoes is restricted to Australia and Pacific Island nations and constrained by the cost and shortage of airfreight space. The industry does not have a consistent commercial solution to enable sea freight to the Asian market. A potent inhibitor of ethylene response, 1‐methylcyclopropene (1‐MCP) has emerged as a tool for controlling ripening and extending the shelf life of many fresh products. Knowledge of 1‐MCP effects on cool‐stored fresh tomatoes is limited. In the present study, mature‐green and breaker tomatoes treated with 1‐MCP were stored at 2.5 °C for 5 weeks. At this temperature, 1‐MCP treatment enhanced Alternaria decay severity (from latent infections) and resulted in softer fruit than non‐treated controls, whereas 1‐MCP reduced decay from ‘ripe rots’ when fruit were ripened at 20 °C. These results suggest that the ripening delay induced by 1‐MCP may increase tomato chilling sensitivity during cool storage. While 1‐MCP shows promising results in extending postharvest storage life in many crops, including tomatoes, these results indicated that application of 1‐MCP before cool storage is not appropriate for assisting commercial sea freight of tomatoes. Nonetheless, it may be possible to apply 1‐MCP and then store tomatoes above the temperatures that cause chilling injury in order to extend storage life.
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Claims 4
Claim · model-written summary
1-MCP increased Alternaria decay severity in tomatoes at 2.5 °C relative to untreated fruit.
- Taxon
- tomatoes
Solanum lycopersicume1 - Treatment
- 1‐MCP treatmente0
- Interactor
- Alternaria
Alternariae0pathogen - Outcome
- Alternaria decay severitye0
- Direction
- enhancede0
- Qualifier
- 2.5 °C for 5 weekse1
- Comparator
- non‐treated controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1‐MCP treatment enhanced Alternaria decay severity (from latent infections) and resulted in softer fruit than non‐treated controls”
e1“mature‐green and breaker tomatoes treated with 1‐MCP were stored at 2.5 °C for 5 weeks”
Claim · model-written summary
1-MCP treated tomatoes were softer than untreated fruit during cool storage.
- Taxon
- tomatoesSolanum lycopersicume1
- Treatment
- 1‐MCP treatmente0
- Outcome
- fruite0
- Direction
- softere0
- Qualifier
- 2.5 °C for 5 weekse1
- Comparator
- non‐treated controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1‐MCP treatment enhanced Alternaria decay severity (from latent infections) and resulted in softer fruit than non‐treated controls”
e1“mature‐green and breaker tomatoes treated with 1‐MCP were stored at 2.5 °C for 5 weeks”
Claim · model-written summary
1-MCP reduced ripe rot decay when tomatoes ripened at 20 °C.
- Taxon
- tomatoesSolanum lycopersicume1
- Treatment
- 1‐MCPe0
- Outcome
- decay from ‘ripe rots’e0
- Direction
- reducede0
- Qualifier
- ripened at 20 °Ce0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“1‐MCP reduced decay from ‘ripe rots’ when fruit were ripened at 20 °C”
e1“mature‐green and breaker tomatoes treated with 1‐MCP”
Claim · model-written summary
The authors concluded that applying 1-MCP before cool storage is unsuitable for commercial sea freight of tomatoes.
- Taxon
- tomatoesSolanum lycopersicume0
- Outcome
- application of 1‐MCP before cool storagee0
- Direction
- not appropriatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of 1‐MCP before cool storage is not appropriate for assisting commercial sea freight of tomatoes”
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See all 10 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.