Apple Post-harvest Preservation & Storage
隐藏域元素占位
Apple Post-harvest Preservation & Storage
Application of Regulators in Apple Post-harvest Preservation and Storage
1-MCP
①Pre~harvest spraying, 8 days before harvest, spray the crown with 200 mg/L liquid medicine, without affecting the coloring and single fruit weight, the fruit can maintain a high hardness and extend the shelf life to a limited extent.
②For post~harvest fumigation, 1 day after harvest, fumigate 3 apple varieties "Marshal", "Fuji" and "Gala" in a carton at 4.1~8.25 mg/m3 or 1.2~2.4 mg/m3 in a confined space After 12 hours, open the box (door) for ventilation, and then store it under conventional storage conditions, which can significantly reduce the fruit softening rate, maintain a high acidity, significantly reduce the respiration rate and ethylene release, thereby slowing down the post~ripening process. (Note: The preservation effect of fumigation treatment is significantly better than that of spray treatment.)
Glyphosine
About 14 days before harvest, applying 500 mg/L on "Guoguang" apples and 1000 mg/L glyphosine foliar spray on "Red Star" apples can significantly reduce the ethylene production of "Guoguang" and "Red Star" apples and respiration intensity, and maintain high firmness during storage, delay the process of fruit senescence, and reduce the occurrence of tiger skin disease.
Methyl Jasmonate
The fruit picking was soaked with 22.5mg/L methyl jasmonate for 10min, which could inhibit the expansion of apple penicillium disease spots and significantly reduce the rot rate during storage.
Salicylic acid
Soaking apple fruit with 150mg/L salicylic acid for 20min after harvesting can promote the activity of defense enzymes and the activities of disease resistance-related proteins, reduce the degree of membrane lipid peroxidation, and increase the content of disease-resistant substances, thereby enhancing the resistance of apples to Botrytis cinerea.
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