目录摘要.....................................................................I1引言.....................................................................12材料与方法...............................................................12.1试验材料...........................................................12.2预试验.............................................................22.3采后处理...........................................................22.4指标测定...........................................................22.4.1果实呼吸速率的测定............................................22.4.2果皮细胞膜透性的测定..........................................22.4.3外果皮L*值的测定..............................................22.4.4果皮叶绿素、类胡萝卜素含量的测定..............................22.4.5果皮花色素苷、类黄酮、总酚含量的测定..........................32.4.6果肉可溶性固形物（TSS）含量的测定............................32.4.7果肉可滴定酸（TA）含量的测定.................................32.4.8果肉总糖、蔗糖、还原糖含量的测定..............................32.4.9果肉维生素C含量的测定........................................32.4.10果实病害指数的测定...........................................42.4.11果皮褐变指数的测定...........................................42.4.12果肉自溶指数的测定...........................................42.4.13果实失重率的测定.............................................52.5数据处理与分析.....................................................53结果与分析...............................................................53.1水杨酸对P.longanae接种龙眼果实呼吸速率的影响...................53.2水杨酸对P.longanae接种龙眼果皮细胞膜透性的影响.................63.3水杨酸对P.longanae接种龙眼外果皮L*值的影响......................63.4水杨酸对P.longanae接种龙眼果皮叶绿素、类胡萝卜素含量的影响.....73.5水杨酸对P.longanae接种龙眼果皮花色素苷、类黄酮、总酚含量的影响.83.6水杨酸对P.longanae接种龙眼果肉TSS含量的影响....................93.7水杨酸对P.longanae接种龙眼果肉TA含量的影响....................103.8水杨酸对P.longanae接种龙眼果肉可溶性总糖、蔗糖、还原糖含量的影响..................................................................103.9水杨酸对P.longanae接种龙眼果肉维生素C含量的影响..............123.10水杨酸对P.longanae接种龙眼果实病害指数的影响﹍﹍﹍﹍﹍﹍﹍﹍﹍123.11水杨酸对P.longanae接种龙眼果皮褐变指数的影响.................133.12水杨酸对P.longanae接种龙眼果肉自溶指数的影响.................133.13水杨酸对P.longanae接种龙眼果实失重率的影响...................144讨论﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍﹍155结论....................................................................16参考文献.................................................................17致谢.....................................................................19摘要：通过分别使用蒸馏水和0.3g·L-1水杨酸（Salicylicacid,SA）对接种了拟茎点霉（PhomopsislonganaeChi,P.longanae）的采后‘福眼’龙眼（DimocarpuslonganLour.cv.‘Fuyan’）果实通过浸泡，来探讨经SA诱导的采后龙眼果实对P.longanae的抗病性及其与品质的关系。通过研究，发现和经过P.longanae接种的龙眼果实相比，SA可以降低P.longanae接种龙眼果实的呼吸速率、果皮细胞膜透性、果皮褐变指数、果实病害指数、果实失重率以及果肉自溶指数，抑制外果皮L*值的下降及叶绿素、花色素苷、类胡萝卜素、类黄酮和总酚含量的下降，维持较高的可溶性总糖、蔗糖、可溶性固形物和维生素C含量，有效延...
