桃树整形修剪是桃树栽培中的一项重要措施,采用与密度等相适应的树形和正确的修剪技术能提高产量和质量。但目前还没有试验研究出与密度相适应的新树形,已影响了桃树生产的发展。我国桃树栽植由稀向密发展,河北省1972年以后栽植的桃树均不同程度的加密,由原来的每亩13—19株加密到每亩27—222株之间,加密以后的桃园多数还是应用自然开心形。虽然自然开心形具有骨 Peach pruning is an important measure in the cultivation of peach trees. Trees and proper pruning techniques such as density can be used to increase yield and quality. However, no new dendrogram that has been adapted to the density has been tested and has affected the development of peach production. The development of peach trees in our country is developed from thin to dense. The peach trees planted in Hebei Province after 1972 are all encrypted with different degrees, from the original 13-19 strains per acre to 27-222 strains per acre. After the encryption, most of the Taoyuan Or natural application happy shape. Although naturally happy with the shape of bone