桃、柰李和布朗李等易发流胶病。此病病因复杂，如树势衰弱、土壤酸性重、病虫害多、修剪不当、施肥不当等，都易产生此病。我们在多年的实践中采取如下措施，取得了良好效果。１　严把种苗关，克服先天不足　从北方调进的毛桃作砧木的果苗，由于砧木对南方气候的适应性差，易 Peach, plum Lee and Brown Lee and other prone to meridians. The etiology of the disease is complex, such as the shrubs weak, heavy soil acidity, pests and diseases, improper pruning, improper fertilization, are prone to the disease. We have taken the following measures in many years of practice and achieved good results. 1 strict seedling clearance to overcome the inherent deficiencies transferred from the north of the peach as the rootstock seedlings, due to poor adaptability of the stock of the South climate, easy