黄杜鹃 Rhododendron molle G.Don,属杜鹃花科杜鹃花属 ,又叫羊踯躅、闹羊花、三钱三、八厘麻等 ,为著名有毒植物。叶互生 ,长椭圆形 ,边缘有睫毛状齿。花鲜黄色 ,聚生枝顶。参照 Klocke JA等的方法获得黄杜鹃花乙酸乙酯 ( Et OAc)萃取物作田间防治美洲斑潜蝇和菜粉蝶幼虫试验 Rhododendron rhododendron molle G.Don, belongs to the azalea genus Rhododendron, also known as the sheep 踯 躅, dead sheep flowers, three money three, eight cents Ma, as the famous poisonous plants. Leaves alternate, long oval, with lashes edge. Flowers bright yellow, polygamy branches. Reference to Klocke JA and other methods to obtain yellow azalea ethyl acetate (Et OAc) extracts for field control of the leaf blotch lizard and cabbage butterfly larvae test