云南大姚县核桃病虫害绿色防控技术应用示范

核桃是云南最具特色的高原林产业,为了有效防控核桃病虫危害,显著提高核桃品质,在云南大姚开展了核桃病虫害绿色防控技术应用示范。通过2年园艺技术、生物防控、物理诱杀等技术措施的应用,调查表明,示范林主要病虫害平均危害率较对照林降低了26.94%,产果量较对照林增产24.3%。结果表明,该绿色综合防控技术的推广应用能为生产安全、优质的云南省特色“精品核桃”提供保障,有利于云南核桃产业的持续健康发展。

Application and Demonstration of Environmentally-friendly Control Measures for Walnut diseases and pests in Dayao County, Yunnan

Walnut is the most distinctive plateau forestry industry in Yunnan. In order to effectively control the walnut diseases and pests, significantly improve the quality of walnut, integrated environmentally-friendly control measures, such as horticultural measures, biological control, physical traps etc. for walnut insect pests and diseases had been applied and demonstrated in Dayao courty, Yunnan. After 2-year demonstration, percentage of damaged trees by diseases and insect pests in walnut demonstration orchard was declined to 26.94% and the amount of nut production in the demonstation orchard was increased to 24.3% compared with them in unmanaged walnut orchard. The results show that it is the guarantee to produce safe and high quality "fine walnut" in Yunnan province through implementing extension and application of this comprehensive environmentally-friendly control measures for walnut pests and diseases; it is also conducive to sustained and healthy development of walnut industry in Yunnan.