广东顺德是兰花之乡,也是广东国兰出口量最大的地区之一,墨兰种植在顺德兰花生产中占重要地位,但从近几年看,墨兰出口量呈下降趋势,其中一个重要原因是在墨兰种植过程中坐菖病危害比较普遍和严重。兰株坐菖病发病率达10%左右,严重者达20%～30%甚至全部覆灭。 Guangdong Shunde is the hometown of orchids, Guangdong Guolan is also one of the largest export areas, Cymbidium planting in Shunde orchid production plays an important role, but in recent years, Cymbidium exports showed a downward trend, one of the important reasons It is more common and serious to take the myopathy during the planting of Cymbidium. Lan strain of sit-disease incidence rate of about 10%, severe cases of up to 20% to 30% or even destroyed.