橡胶在国民经济和国防工业中占有重要地位。橡胶树刈面条溃疡病是危害橡胶树三大病害之一。1962年以来,此病曾在海南、云南等垦区多次流行。轻者引起树体受伤,影响胶乳生产;重则造成刈面大片溃烂,易遭风折,是当前生产中急待解决的问题。多年来应用溃疡净做为刈面保护剂,收到一定防治效果,但溃疡净为国外进口,是汞制剂,易引起公害,且在多雨病重的情况下,防治效果也不理想。 Rubber occupies an important position in the national economy and national defense industry. Rubber tree mulberry canker disease is one of the three major diseases of rubber trees. Since 1962, the disease has repeatedly epidemic in Hainan, Yunnan and other reclamation areas. Light caused by the tree injury, affecting the latex production; heavy Kale caused by large ulceration, easy to wind break, is the current production of urgent problems. Over the years the application of ulcer net as a protective agent, received a certain control effect, but the ulcer net imports for foreign countries, is a mercury preparation, easy to cause pollution, and in the case of heavy rain, the control effect is not satisfactory.