百菌通(DTMz)是一种无公害高效杀菌剂,在蔬菜上应用广泛,用于防治柑桔溃疡病未见报道。笔者于1991年在迁江华侨农场对八年生新会橙作了药效试验,5月16日谢花后第一次喷药,6月24日小果期喷第二次,8月6日大部分秋梢长3厘米以上时喷第三次。第三次喷药后45天调查,结果表明, Diostemon (DTMz) is a pollution-free and highly effective bactericide, which is widely used in vegetables and has not been reported for the prevention and treatment of citrus canker. The author in 1991 moved to overseas Chinese farms on the eight-year-old new orange made a trial of efficacy, May 16 Xiehua after the first spray, June 24 small fruit spray the second time, August 6 Most of the autumn shoot longer than 3 cm when spraying the third time. 45 days after the third spray survey, the results show that,