苹果套袋能有效地提高果品的着色度，预防病虫危害，减少果品残毒，是生产优质高档无公害绿色食品的重要技术措施。现在被许多果农在新红星、红富士栽培上采用，但是实际效果确有很大的差异。我在县里调查了 11个果园，发现只有 3个果园经济效益好，有 8个果园在套袋后并没有 Apple bagging can effectively improve the coloring degree of fruit, prevent pests and diseases and reduce the residue of fruit residues. It is an important technical measure to produce high quality and pollution-free green food. Many fruit growers are now adopting new Red Star and Red Fuji cultivation, but the actual effect is indeed very different. I surveyed 11 orchards in the county and found that only 3 orchards have good economic returns and 8 orchards did not