冬枣是一个晚熟的鲜食品种,在鲁西北地区和河北、天津等地广泛栽培,并以其优良的品质,深受广大消费者的欢迎。但是在冬枣产业的快速发展过程中也存在一些不容忽视的问题,部分冬枣生产者单纯追求产量和效益,使用剧毒高残留农药,滥施激素和除草剂,造成冬枣品质下降尤为突出。山东 Jujube is a late-maturing fresh varieties, widely cultivated in the northwestern Shandong and Hebei, Tianjin and other places, and by its excellent quality, welcomed by the vast number of consumers. However, there are some problems that can not be neglected in the rapid development of winter jujube industry. Some jujube producers simply pursue the yield and benefit, and use highly toxic and residual pesticides, excessive use of hormones and herbicides, resulting in the decrease of winter jujube quality. Shandong