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近年来,张家界市永定区柑桔树脂病发生面积逐年扩大,危害程度逐年加重,甚至造成一部分桔园绝收或毁园,给果农带来较大的经济损失。为确保永定区柑桔产业持续健康发展,笔者于2014年深入永定区柑桔生产基地长期跟踪观察记载,分析出柑桔树脂病在永定区的发生原因主要是苗木带病扩散、具备发病条件、桔园管理不善、病源菌积累数量大,提出了建立无病育苗基地、合理密植、清洁桔园、预防冰霜冻、加强肥水管理、药剂保护6项防治措施,供柑桔种植者参考。
In recent years, the occurrence area of citrus resin disease in Yongding District of Zhangjiajie City has been expanding year by year, increasing the harm degree year by year and even causing part of the orange orchard to be harvested or destroyed, bringing great economic losses to the farmers. In order to ensure the sustainable and healthy development of the citrus industry in Yongding District, the author in-depth long-term follow-up observations of the citrus production base in Yongding District in 2014 showed that the occurrence of citrus resin disease in Yongding was mainly caused by the spread of seedling diseases, Orange garden management is poor, the accumulation of large numbers of pathogenic bacteria, proposed the establishment of disease-free seedling base, close and close planting, clean orange orchard, the prevention of frost, strengthen fertilizer and water management, pharmaceutical protection six control measures for citrus growers reference.