白银柳树丛枝病调查与防治试验

The Investigation and Prevention Measures about Willow Disease in Baiyin,Gansu

观察发现,白银市区柳树丛枝病,金丝柳发病最重,长势衰弱;其次是速生柳、垂柳;旱柳、馒头柳发病轻微,长势不受影响。试验多种防治措施,结果表明,截干对金丝柳病症有短期防治效果;金丝柳嫁接馒头柳防治效果最好,发病程度与正常馒头柳相同。

The observation found that the willow disease in Baiyin urban area was the most serious.Salix×aureo-pendula was the most affected,and the growth was weak,followed by bamboo willow,Salix babylonica,but the Salix matsudana f.matsudana,Salix matsudana f.umbraculifera were less affected,and the growth is not affected.Several control measures were tested,and the results showed that cutting had short-term control effect on disease of Salix×aureo-pendula.The control effect was the best about Salix×aureo-pendula grafted in Salix matsudana f.umbraculifera,and the incidence was the same as that of normal Salix matsudana f.umbraculifera.