海南省是橡胶大省,在橡胶园常有不同程度的橡胶树死皮病,尤其是民营橡胶园发病率较高,严重时影响橡胶树胶乳产量和质量,应引起注意并加紧防治。现将有关重点简介如下:1　症状橡胶树死皮病症状有如下不同的类型:1.1　褐皮病死皮型　褐皮病死皮特点是病部有褐斑。褐斑又分外... Hainan Province is a major rubber province. In the rubber plantations, rubber tree dead skin disease often occurs in varying degrees. Especially in private rubber plantation, the incidence rate is relatively high. When it is serious, the output and quality of rubber tree latex will be affected. Attention should be paid to prevention and treatment. Now the key points are as follows: 1 symptoms Rubber tree dead skin symptoms have the following different types of symptoms: 1.1 brown skin disease dead skin type brown skin disease dead skin is characterized by brown spots. Brown spots are exceptionally ...