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Effects Of 1-MCP Treatment On The Ethylene Synthesis Of Postharvest Yali Pear Seeds

Li Ya Liang, Qiao Wang, Ling Li, Shi Jie Yan

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The effects of 1-MCP treatment on the ethylene synthesis of Yali pear seeds of different harvest maturity were evaluated during storage. Yali pear fruit (early harvested and late harvested) were treated with 1.0 μL.L-11-MCP for 20 h at room temperature, packaged in PE plastic film and then stored at 0±1°C for 180 days. The results show that the respiration, ethylene production, ACC content, ACO and ACS activities of the seeds of early harvested Yali pear fruit with 1-MCP treatment decrease significantly during storage, the peaks decrease and are delayed for 60 days. But 1-MCP treatment has no significant effects on the indexes related with ethylene synthesis to the seeds of late harvested fruit. 1-MCP can be used to inhibit the synthesis of ethylene in the seeds effectively and keep the quality and extend the shelf life of early harvested Yali pear fruit.