油棕突然凋萎病油棕突然凋萎病是最严重的油棕病害。通常危害二年生油棕，叶部症状表现褪绿变红棕色，最后全树冠呈淡灰色，开花终止，雌花凋谢，果实失去光泽而腐烂脱落，根部坏死并同维管束组织剥离。从可见症状出现３个月、叶部症状显现二周以后均可出现全株死亡。此病... Sudden blight of brown oil Brown oil Brown withered wilt disease is the most serious disease. Usually endangering perennial oil palm, the performance of leaf chlorotic reddish brown, finally the whole crown light gray, flowering ended, female flowers withered, the fruit loses its luster and decay, root necrosis and stripping with vascular bundle organization. From visible symptoms 3 months, leaf symptoms appear two weeks after the whole plant may die. This disease ...