陕西省具有发展苹果得天独厚的自然条件,2002年全省苹果种植面积达36.93万hm2,居全国第一位,产量392万t,居全国第二位。2003年国家又确定把本省渭北黄土高原作为苹果优生区,这为本省苹果发展提供了新的机遇。但省内果品质量安全生产形势严峻,特别是果树病虫害防治过程中造成的 Shaanxi Province has the unique natural conditions for the development of apples. In 2002, the apple acreage in the province reached 369,300 hm2, ranking the first in the country with a production volume of 3.92 million tons, ranking the second in the country. In 2003, the state also decided to regard the local Weibei Loess Plateau as the apple eucalyptus, which provided new opportunities for the development of apple in the province. However, the province’s fruit quality and safety situation is grim, especially in the prevention and control of pests and diseases caused by fruit trees