由棕榈疫霉和葡萄孢疫霉引起的条溃疡病,是一种重要的橡胶树割面病害。现在,通过施用0.5％溃疡净(含10％醋酸苯汞)、0.5％放线菌酮(有效成份4.2％)或2％敌菌丹(有效成分40％)的水剂,每隔一天施一次,直到条溃疡病不再活跃时为止,已能控制此病。由于杀菌剂易被雨水迅速冲洗掉而需要频繁施药。因此劳力和农药的成本是高的。最近已注意研 The canker disease caused by Phytophthora capsici and Phytophthora capsici is an important rubber tree cut disease. Now, it is administered every other day by administration of a 0.5% ulcer net (phenylmercuric acetate 10%), 0.5% cycloheximide (active ingredient 4.2%) or 2% diterpene (active ingredient 40%) Until the ulcer disease is no longer active until the disease has been able to control. Frequent application of disinfectant is required because it is readily washed off by rain water. Therefore labor and pesticide costs are high. Recently paid attention to research