“树衣”预防苹果幼树抽条试验简报王爱军，胡亚平（河北省张家口市林业局０７５０３１）张家口地区气候寒冷，春季干燥多风，果树幼树抽条现象十分严重。采用昌黎果研所植保室研制的分子性保护膜树农，对２年生苹果进行了涂刷预防抽条试验，取得了显著效果。试验在宣化县... Brief introduction of “Tree clothing” to prevent the apple seedlings from sprouting Wang Aijun, Hu Yaping (Forestry Bureau of Zhangjiakou City, Hebei Province 075031) The climate in Zhangjiakou is cold and the wind is dry and windy in spring. Using Changli fruit research institute of plant protection room developed molecular protective film tree farmers, 2-year-old apple brushing prevention strip test, and achieved remarkable results. Test in Xuanhua County ...