冬桃为什么套袋

2025-04-07 20:49:12
推荐回答(1个)
回答1:

简单说是为了果品质量好。
”冬桃,平常年份2-3月开花结果要到10月底至11月初才成熟上市销售,期间经常会遇到不良环境条件的影响,而导致果面老化、裂果、畸形果等影响果实品质。通过套袋可以显著降低桃果实裂果的发生,提高果面光洁度,改善外观品质,提高果实含糖量。

首先套袋可显著降低桃果实裂果的发生,晚熟桃品种冬桃等由于果实发育期长、果实长期受不良气候因素、病虫害、药物的剌激和环境影响,果面老化;在果实进入快速膨大期,果皮承受不了内部生长的压力.很容易发生裂果。而套袋延缓了果实表皮细胞、角质层、细胞纤锥等结构的老化,使果实处于一个微域环境保持果实周围环境湿度相对稳定,果实面张力降低.防止了表皮细胞的紊乱.套袋还可避免药剂、风雨、病虫害等对果实表面的刺激,是果皮正常发育,降低了裂果率。

其次果实套袋后会不同程度遮光,降低果皮叶绿素的含量。套袋的冬桃果在成熟采摘前7-10天要摘袋,使果实接受光照,可促进果实花青苷的形成,使果实着色面枳大,着色均匀,色泽艳丽,全红果比率高.显著提高果实的外观品质,通过套袋改变了带内的光照、温度、湿度状况,并减轻了风雨、药剂和一些机械摩擦等不良因素对果皮的剌激与损害,使果皮发育正常,提高了果面光洁度,改善了外观品质,同时通过套袋还可以提高冬桃果实含糖量,显著提高冬桃品质。

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