Preharvest 1-Methylcyclopropene Treatment Reduces Soft Scald in 'Honeycrisp' Apples during Storage
TLDR
Overall, the most important benefit of preharvest 1-MCP treatments on 'Honeycrisp' apples was the reduction in soft scald development, due to the high potential for substantial fruit losses from this disorder.Abstract:
The main objective of this study was to investigate the effectiveness of preharvest 1-methylcyclopropene (1-MCP) treatment on the development of soft scald in 'Honeycrisp' apples. In addition, the effects of preharvest 1-MCP on fruit quality at harvest and after storage were examined. For two consecutive years of study, 'Honey- crisp' trees were sprayed preharvest with 1-MCP and fruit were harvested twice during each year. Preharvest 1-MCP treatments had little consistent effect on fruit maturity at the time of harvest. In both years of study, preharvest 1-MCP reduced the incidence of soft scald in 'Honeycrisp' apples after air storage at 0 or 3 8C for 5 or 6 months. Soggy breakdown developed only in the second year of study and high incidences were reduced by preharvest 1-MCP treatments. Preharvest 1-MCP often reduced flesh firmness loss in 'Honeycrisp' during storage, especially during the second year of study, and with 1-MCP application closer to harvest. Malic acid content was often higher in apples with the preharvest 1-MCP spray closer to harvest. Overall, the most important benefit of preharvest 1-MCP treatments on 'Honeycrisp' apples was the reduction in soft scald development. Due to the high potential for substantial fruit losses from this disorder, the use of preharvest 1-MCP sprays on 'Honeycrisp' apples could be very advantageous.read more
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References
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Journal ArticleDOI
Responses of early, mid and late season apple cultivars to postharvest application of 1-methylcyclopropene (1-MCP) under air and controlled atmosphere storage conditions
TL;DR: In this paper, the potential for commercial application of 1-methylcyclopropene (1-MCP) to maintain quality of apples under air and controlled atmosphere (CA) storage conditions was investigated.
Journal ArticleDOI
1-Methylcyclopropene Inhibits Apple Ripening
TL;DR: In this article, an ethylene action inhibitor, 1-methylcyclopropene (MCP), was applied to preclimacteric and climacteric apple (Malus sylvestris L. (Mill.) var. Mansf.) fruit.
Journal ArticleDOI
Effects of NAA, AVG, and 1-MCP on Ethylene Biosynthesis, Preharvest Fruit Drop, Fruit Maturity, and Quality of ‘Golden Supreme’ and ‘Golden Delicious’ Apples
Rongcai Yuan,David H. Carbaugh +1 more
TL;DR: In 'Golden Supreme' and 'Golden Delicious' apples, the combination of two applications of AVG and one application of NAA synergistically inhibited fruit ethylene production and delayed fruit drop and ripening, whereas NAA increased fruit ripening as determined by fruit firmness and starch.