'Law Rome' and 'Golden Delicious' apples differ in their response to preharvest and postharvest 1-methylcyclopropene treatment combinations.
TLDR
Findings suggest that attached apple fruit of some cultivars may be capable of rapidly generating new ethylene receptors as determined by flesh firmness, starch index, internal ethylene concentration, and soluble solids concentration.Abstract:
Experiments were conducted to compare the effects of different preharvest and postharvest 1-methylcyclopropene (1-MCP) treatment combinations on 'Law Rome' and 'Golden Delicious' apple fruit. Preharvest 1-MCP sprays had minimal effects on maturity as determined by flesh firmness, starch index, internal ethylene concentration, and soluble solids concentration. Fruit internal ethylene concentration and firmness loss after 30- to 40-days storage at 0 °C plus 7 days at 20 °C were reduced by preharvest and postharvest 1-MCP treatments. The positive effects of preharvest 1-MCP on postharvest quality of 'Law Rome' declined in fruit that were harvested 3 days or more after spraying, whereas preharvest 1-MCP continued to have a positive effect on postharvest fruit quality of 'Golden Delicious' that were harvested up to 9 days after spraying. The loss in postharvest effects of preharvest 1-MCP treatment on 'Law Rome' at delayed harvests was reinstated by exposing fruit to gaseous 1-MCP on the day of harvest. These findings suggest that attached apple fruit of some cultivars may be capable of rapidly generating new ethylene receptors.read more
Citations
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Preharvest 1-Methylcyclopropene Treatment Reduces Soft Scald in 'Honeycrisp' Apples during Storage
TL;DR: 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.
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Preharvest aminoethoxyvinylglycine (AVG) and 1-methylcyclopropene (1-MCP) effects on ethylene and starch concentrations of ‘Empire’ and ‘McIntosh’ apples
TL;DR: Aminoethoxyvinylglycine (AVG) and 1-methylcyclopropene (1-MCP) were used to delay apple fruit maturation and ripening, and thereby reduce fruit drop and manage harvest logistics.
Journal ArticleDOI
Controle da maturação pré-colheita de maçãs ‘royal gala’ pela inibição da ação ou síntese do etileno
Andreia Maria Tomazini Scolaro,Luiz Carlos Argenta,Cassandro Vidal Talamini do Amarante,José Luiz Petri,Fernando José Hawerroth +4 more
TL;DR: In this paper, the authors evaluated the effects of 1-methylcyclopropene (1-MCP) and aminoethoxyvinylglycine ( AVG) on pre-harvest apple fruit maturation.
Journal ArticleDOI
Effect of Preharvest and Postharvest 1-Methylcyclopropene (1-MCP) Treatments on Fruit Quality Attributes in Cold-stored 'Fuji' Apples
Jingi Yoo,Bong Kook Kang,Jinwook Lee,Dae Hyun Kim,Dong-Hoon Lee,Hee-Young Jung,Dong Geun Choi,Myoung-Gun Choung,In Myung Choi,In-Kyu Kang +9 more
TL;DR: Fruit fresh weight, Hunter’s value a, internal ethylene concentration (IEC), flesh firmness, titratable acidity (TA), and soluble solids content (SSC) in fruit treated with H arvista TM were not different from those of control fruit at harvest.
References
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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.
Journal ArticleDOI
NAA and Ethylene Regulate Expression of Genes Related to Ethylene Biosynthesis, Perception, and Cell Wall Degradation During Fruit Abscission and Ripening in ‘Delicious’ Apples
Jianguo Li,Rongcai Yuan +1 more
TL;DR: In this paper, an autocatalytic burst of fruit ethylene production and accelerated fruit softening were associated with increased expression of genes related to ethylene biosynthesis (MdACS and MdACO), whereas reduced expression of an ethylene signal transduction gene (mdCTR1), and increased expression related to cell wall degradation (mddEG) in the fruit cortex occurred during fruit ripening.
Journal ArticleDOI
Influence of time from harvest to 1-MCP treatment on apple fruit quality and expression of genes for ethylene biosynthesis enzymes and ethylene receptors
TL;DR: Researchers studied expression patterns of genes for ethylene biosynthesis enzymes and ethylene receptors in two apple cultivars, ‘Orin’ and ‘Fuji’, which differ in ethylene production to understand the influence of time after harvest until 1-MCP treatment.
Journal ArticleDOI
Preharvest Applications of Sprayable 1-methylcyclopropene in the Orchard for Management of Apple Harvest and Postharvest Condition
TL;DR: A sprayable formulation of 1-methylcyclopropene (1-MCP; AgroFresh, Spring House, PA) was applied to "Scarletspur Delicious" and "Cameo" apples in the orchard 1 to 3 weeks before harvest and compared in different postharvest studies.
Journal ArticleDOI
Differential Effects of 1-Methylcyclopropene on Citrus Leaf and Mature Fruit Abscission
TL;DR: In this article, 1-MCP was used in combination with the abscission agents coronatine, methyl jasmonate (MeJa) and 5-chloro-3-methyl-4-nitro-1H-pyrazole (CMNP) to determine its effect on leaf drop and fruit loosening.
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