桂花又名木犀,为我国特产的珍贵芳香植物。近年来,桂花病虫害为害上升,致使观赏价值下降,常见的有:炭疽病、叶斑病、腐烂病,吉丁虫、木桂虱、粉虱、介壳虫、刺蛾、卷叶蛾、蓑蛾等。常见病害炭疽病高温多湿的环境条件下易发生,在叶茎上产生近圆形紫褐色病斑,并在其上生有黑色小点,为害严重时枯叶。从6～7月开始,喷代森锌500～600倍液预防:注意通风透 Osmanthus also known as wood rhinoceros, precious aromatic plant for our specialty. In recent years, sweet-scented osmanthus pests and diseases increased, resulting in reduced ornamental value, common are: anthracnose, leaf spot disease, rot disease, ji siren, wood larch, whitefly, scale insects, thorn moth, leaf roller moth, moth and so on. Common diseases Anthrax high temperature and humidity environment prone to produce, in the leaf stem produce a roundish purple-brown spots, and in its birth black dots, serious damage dead leaves. From 6 to 7 months, Spray dione 500 ~ 600 times zinc Prevention: pay attention to ventilation