北京市延庆县国光苹果荣获国家地理标志产品认证产品,从完善质量标准体系的目的出发,在县域内3个重点国光果园进行了5个品牌果袋套袋对国光苹果果实品质影响的对比试验。结果表明:不同品牌果袋套袋对国光苹果果实的日灼率、光洁度指数、着色度指数、单果质量、果实硬度和可溶性固形物均有一定影响,3个试验园的套袋表现基本一致,均优于当地小厂生产的低档袋。对果实品质指标的综合评定,小川果袋效果要好于其他果袋。 Guoqing apple of Yanqing County, Beijing won the National Geographic Indication Product Certification. Starting from the purpose of perfecting the quality standard system, comparative experiments were conducted on the fruit quality of GuoGuang Apple by bagging with five brands of fruit bag in the three key Guoguang Orchards in the county. The results showed that bagging with different brands of bagged fruit had some effects on the sunburn rate, finish index, color index, fruit quality, fruit firmness and soluble solids of Guoguang apple fruit. The bagging performance of Guoguang apple fruit was basically the same, Are better than the local small factory production of low-grade bags. Comprehensive evaluation of the indicators of fruit quality, Ogawa fruit bag effect is better than other fruit bags.