脐橙溃疡病的防治措施我地近年来脐橙种植面积迅速增加。据调查，在脐橙上溃疡病的发生明显高于其他柑桔品种，不但直接影响产量和果实品质，还阻碍果实、苗木的流通。为此，笔者于１９９２～１９９５年对脐橙溃疡病的防治技术进行了研究，现将结果介绍如下。１严格检疫严... Navel orange canker disease prevention and control measures In recent years, the area planted navel orange increased rapidly. According to the survey, the incidence of ulcer disease on navel orange is obviously higher than that of other citrus varieties, which not only directly affects the yield and fruit quality but also hinders the circulation of fruits and seedlings. To this end, the author in 1992 to 1995 on the prevention and treatment of umbilical orange canker disease were studied, the results are as follows. 1 strict quarantine strict ...