The experiment was carried on in red Fuji apple, which 16 and 12 kind of fruit bags was used in northern loess plateau of Shaanxi Weihe and Guanzhong fruit areas from 2003to2004.

So, we can provide some reference opinions on prevention and cure in non-harmful apple for whole Luochuan district, raising under the premise of outcome and raising the fruit quality further.

In marketing, organic apple in Luochuan have to circulate in the bottom-end of the market because they have not been authenticated by the certificate authority of organic products.