桃果实贮藏方法有哪些?如何贮藏?

2025-04-05 18:26:51
推荐回答(1个)
回答1:

(1)保鲜袋、防腐处理冷藏法

此法可较长时间贮藏桃果实。技术流程为:适时采收(七八成熟)→剔除伤、病、烂、软果实→树下分级→装入内衬专用保鲜袋的箱中→下层放入保鲜剂(乙烯吸收剂和CO2吸收剂)→扎紧袋口→运输当日入库→敞开袋口→于-1~0℃条件下预冷20~24小时→中层放入仲丁胺1#防腐剂(0.2克/千克)→扎紧袋口→品字型码垛→于0~1℃下贮藏即可。

鲜桃较长时间贮藏时应注意事项:①及时入库。桃在常温下2~3天即可软化,故采后预冷、入库越及时越好。②采收成熟度对桃耐藏性有较大影响,一般七八成熟采收较好,大久保八九成熟较好。③包装箱选择10~15千克/箱较好。④桃保鲜剂常用生石灰、高锰酸钾、仲丁胺等,使用时注意药包与果实之间用纸或塑料膜隔开,以免产生药害。⑤采收时注意要带果柄。

(2)普通贮藏法

此法用于短期贮藏的桃果实。果实八成熟时采收,采收时应带果柄,避免有机械伤及病虫害现象,装入较浅的容器中,防止积压过重,造成机械损伤,放入普通库内,堆码时应注意留有一定空隙,保证冷空气循环,温度维持在3℃,相对湿度在90%左右。

(3)沟藏法

对于晚熟硬肉桃品种,由于其本身耐贮运性较好,贮藏时除用上述方法外,还可用简易方法。这种方法节省能源、方便、无公害。如山东省青州市桃农用沟藏法贮藏青州蜜桃,采收前在高燥不积水的背阴处或桃树下挖贮藏沟,沟深50~70厘米,长度因果实多少而定。挖好后,于沟底铺一层去叶高粱秸秆、玉米秸再铺松柏枝,将果实分层放入沟内,最后在沟上盖两层芦苇席,白天覆盖,夜间揭开。雨天遮雨以防雨水进入。以后每隔3~5天检查1次,剔除腐烂果。如发现失水皱皮,可取白菜叶覆于果上。霜降后,夜间不再揭开芦苇席,以防冻害。封冻时移至室内缸中,上覆蒿草等物,并勤检查。

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