砧木是果树的基础。不同种类和品种的砧木对果树树体大小,结果早迟,产量高低,品质好坏和抗逆性强弱等都有不同的影响。因此砧木的选择研究,对果树生产的发展有重大意义。四川是我国柑桔主产区之一。解放前,习用压条和实生繁殖,尚无砧木选择的经验。为了找出适于四川丘陵山地栽培甜橙的优良砧木,我所从1952年开始培育试材,于1954年安排了甜橙砧木比较试验。经过24年的试验,分阶段提出了适于本 Rootstock is the basis of fruit trees. Different types and varieties of rootstocks have different effects on the size of fruit trees, the late results, the level of yield, the quality and the strength of the resistance. Therefore, the choice of rootstocks is of great significance to the development of fruit trees. Sichuan is one of the main citrus producing areas in China. Before liberation, the use of batches and live breeding, there is no choice of rootstock experience. In order to find suitable rootstocks suitable for cultivating sweet orange in hilly Sichuan, we started to cultivate the test materials from 1952 and arranged the comparative test of sweet rootstock in 1954. After 24 years of testing, put forward in stages adapted to this