近年来,橡胶树死皮病在经济上的危害,日益引起各植胶国家的重视。这是因为,第一、死皮病的发生具有普遍性,不仅老树常见,而且开割幼树亦日益流行,有些国家死皮病情的发展,不是走向收敛,而是趋于增多。第二,死皮病造成的损失相当严重,大量调查表明,死皮树多发生在高产品系、高产林段、高产树位或高产单株,因而对产量的影响显得特别突出和敏感。第三,死皮 In recent years, the rubber tree dead skin disease in the economic hazards, increasingly caused by all plasticized countries attention. This is because, first, the occurrence of dead skin disease is universal. Not only old trees are common, but saplings are also increasingly popular. In some countries, the development of dead skin disease is not converging but tends to increase. Second, the damage caused by dead skin disease is quite serious. A large number of surveys show that dead skin bark mostly occurs in high-yielding lines, high-yielding stands, high-yielding trees or high-yielding single plants, and the impact on yield is particularly prominent and sensitive. Third, dead skin