Responses of banana fruit to treatment with 1-methylcyclopropene

Jiang, YM, Joyce, DC and Macnish, AJ (1999) Responses of banana fruit to treatment with 1-methylcyclopropene. Plant Growth Regulation, 28 2: 77-82. doi:10.1023/A:1006222631666


Author Jiang, YM
Joyce, DC
Macnish, AJ
Title Responses of banana fruit to treatment with 1-methylcyclopropene
Journal name Plant Growth Regulation   Check publisher's open access policy
ISSN 0167-6903
1573-5087
Publication date 1999-06
Sub-type Article (original research)
DOI 10.1023/A:1006222631666
Volume 28
Issue 2
Start page 77
End page 82
Total pages 6
Place of publication Dordrecht, Netherlands
Publisher Kluwer Academic Publishers
Collection year 1999
Language eng
Subject C1
300399 Horticulture not elsewhere classified
620205 Tropical fruit
Formatted abstract
Experiments were conducted to determine levels of 1-methylcyclopropene (1-MCP) exposure needed to prevent ethylene-stimulated banana fruit ripening, characterise responses of ethylene-treated fruit to subsequent treatment with 1-MCP, and to test effects of subsequent ethylene treatment on 1-MCP-treated fruit softening. Fruit softening was measured at 20°C and 90% relative humidity. One hour exposure at 20°C to 1000 nl 1-MCP/l essentially eliminated ethylene-stimulated ripening effects. Exposure for 12 h at 20°C to just 50 nl 1-MCP/l was similarly effective. Fruit ripening initiated by ethylene treatment could also be delayed with subsequent 1-MCP treatment. However, 1-MCP treatment only slowed down ripening of ethylene-treated fruit when applied at 1 day after ethylene and was ineffective when applied 3 or 5 days after ethylene treatment. The ripening response of fruit treated with 1-MCP and subsequently treated with ethylene varied with interval time between 1-MCP and ethylene treatments. As time increased, the response of 1-MCP-treated fruit to ethylene was enhanced. Responses to 0.1, 1, 10 or 100 µl ethylene/l concentrations were similar. Enzyme kinetic analysis applied to 1-MCP effects on ethylene-induced softening of banana fruit suggested that 1-MCP inhibition is by noncompetitive antagonism of ethylene binding.
© 1999 Kluwer Academic Publishers.
Keyword Plant Sciences
Banana
Binding Site
Ethylene
1-methylcyclopropene
Softening
Ethylene Binding
Flowers
Plants
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
 
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Created: Tue, 10 Jun 2008, 13:42:23 EST