三尖叶猪屎豆(Crotalaria anagroides)是我国南方多年生的高秆绿肥作物,常常栽种于果园和稻田旁边,是一种很好的绿肥。正常株的叶片由三个小叶组成,总状花序顶生,花冠黄色。1979年在广东省博罗县杨村华侨柑桔农场的病果园边发现所栽种的三尖叶猪屎豆出现了丛枝病,其症状与发现的许多植物黄化病害十分相似。病株腋芽大量萌发而成枝叶丛生状,叶片 Crotalaria anagroides is a perennial high-stalk green manure plant in southern China. It is often grown in orchards and paddy fields and is a good green manure. The leaves of normal plants consist of three leaflets, with racemes on top and corolla yellow. In 1979 found in Guangdong Province Boluo Yangcun overseas Chinese citrus farm side of the orchards found planted Tripshya × shitcrew emerged shrubs, the symptoms and found that many plant diseases are very similar to yellow. A large number of diseased axillary buds germinate into clusters of leaves, leaves