果树上使用涂白剂涂刷树干、主枝,有防寒防冻。防止吉丁虫、天牛类产卵为害,防除苔藓地衣,防止重度更新树日灼及猪、兔、鼠等啃食等作用。一般常用的石灰浆加少许食盐等配成的涂白剂易被雨水冲刷。1984年4月下旬笔者在湖南省永州市园艺场 Tu on the fruit trees use brushing tree trunk, the main branch, a cold frost. Prevent jibinus and cerambycida spawning damage, prevent moss lichen, prevent severe renewal tree sunburn and pigs, rabbits, rats and other gnawing role. Commonly used lime slurry plus a little salt and other dubbed the white paint easily washed by the rain. In late April 1984, I wrote a horticultural field in Yongzhou, Hunan Province