香刺玫是蔷薇科玫瑰中的一个品种,花色鲜艳,芳香浓郁,是人们喜爱的一种美化室内、庭院环境的花木,但近年在礼县等地不论是盆景还是露地栽培的香刺玫受白粉病的危害较重,为此,笔者进行了发病规律及防治试验研究。一、病状及病源:香刺玫受白粉病危害后,叶片卷曲。花色不鲜,叶子正反两面都有霉状物呈灰白色。经鉴定,香刺玫白粉病是一种真菌病 Rosemary is a rose in the Rosaceae variety, brightly colored, rich aroma, is a favorite of people to beautify the indoor and courtyard environment of flowers and trees, but in Li County in recent years, whether it is bonsai or open cultivation of spiny rose Powdery mildew is more harmful, therefore, I carried out the incidence of disease and prevention and control of experimental research. First, the symptoms and sources: Spiny rose powdery mildew hazard, leaf curl. Not perfect, leaves both positive and negative mildew was pale. It has been identified, powdery mildew is a fungal disease