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橡胶白粉病是华南植胶区危害最大的病害之一.我省受白粉病危害也十分严重.我省植胶历史较久的诏安县建设农场从1977年至1990年十四年间,出现中重病年有10次,占71.4%,可见,橡胶白粉病在闽南植胶区出现相当频繁.而且危害也很严重.在闽南胶区,病害严重流行年份,会引起胶树多次落叶,造成推迟或停止割胶.诏安建设农场1979年最终病情指数高达81.6%,减产20%以上,损失十余万元.白粉病的流行方式暴发性极强,一旦气象条件适宜,数天之间,病情指数立即飞跃上升.暴发期的天气多数为高温高湿,而且阴雨不断,对防治工作极为不利,常使防治工作处于被动地位.
Rubber powdery mildew is one of the most harmful diseases in South China plasticized zone.Her powderyrosis in our province is also very serious.Our province has a long history of rubber plantation construction Zhaoan County farm from 1977 to 1990 fourteen years, Year, 10 times, accounting for 71.4%, shows that rubber powdery mildew occurred in the plasticized zone in southern Fujian appear quite frequent. And the damage is also very serious .In southern Fujian plastic zone, the disease is extremely popular in years, will cause multiple deciduous trees, resulting in delayed or Stop tapping.Zhaoan Construction Farm final disease index in 1979 up to 81.6%, more than 20% loss, loss of more than ten million.Flying with powdery mildew epidemic extremely strong, once the weather conditions are suitable, a few days, the disease index immediately leaps up Most of the outbreak of the weather is high temperature and humidity, but also continuous rain, prevention and control work is extremely unfavorable, often make prevention and control work in a passive position.