Calcium chloride and 1-methylcyclopropene treatments delay postharvest and reduce decay of New Queen melon
文献类型： 外文期刊
作者： Zhang, Qiang 1 ; Dai, Wenting 2 ; Jin, Xinwen 2 ; Li, Jixin 2 ;
作者机构： 1.Xinjiang Univ, Coll Life Sci & Technol, Urumqi 830046, Peoples R China
2.Xinjiang Acad Agr & Reclamat Sci, Inst Agroprod Proc Sci & Technol, Shihezi 832000, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2019 年 9 卷
页码：
收录情况： SCI
摘要： In this study, newly harvested New Queen melons were treated with calcium chloride (CaCl2) and 1-methylcyclopropene (1-MCP) alone or in combination before storage. The results showed that the respiration rate, ethylene release, the activity and gene expression of pectinases such as polygalacturonase (PG), pectin methylesterase (PME) and pectate lyase (PL) in New Queen melons were dramatically decreased by treatments with 0.18 mol/L CaCl2 and/or 1 mu L/L 1-MCP. Meanwhile, the climacteric behavior and flesh hardness reduction were inhibited. We also found that softer melon flesh was more conducive to the growth and reproduction of decay-causing microorganisms according to their growth curves in melons that were different in flesh hardness, suggesting inhibiting fruit softening can slow down the growth of microorganisms in fruit flesh, and thus reduce fruit decay rate. The combined use of CaCl2 and 1-MCP was more effective in suppressing respiration rate, ethylene release and protopectin hydrolysis, which could greatly delay the softening, reduce the decay rate, and extend the shelf life of New Queen melons.
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