葱兰叶枯病研究初报

葱兰叶枯病是葱兰上一种病害。其症状是在线形叶上产生红褐色病斑或段斑，最后呈红褐色卷曲状枯死。经分离培养和接种确认由炭疽菌引起。病害在土壤瘠薄、排水不良及管理粗放的情况下往往发生较重。

Primary studies on leaf blight of Zephyranthes candida

Zephyranthes candida leaf blight is one of the diseases on Zephyranthes candida .Characterised by very small red brown macula forming on the filiform leaf and the slowly expanding down ward,causing nodose fade green symptoms,finally the fade green part of the leaf turns to red brown color,crimples and withers.At the later stage carpophore of Colletotrichum sp , Allternaria sp can be seen in the symptoms.The disease occurs seriously in arid land with poor drainage,inproper applying of manure and random management.