甘肃省羌活病害种类调查及病原鉴定

Disease survey and pathogen identification on Notopterygium incisum in Gansu province

目的:对甘肃省岷县、渭源等地的羌活病害进行了调查和病原鉴定。方法:采取五点取样,每点调查10株,记载发病率,严重度。结果:共发现病害8种:壳二胞褐斑病Ascochyta levistici、白粉病Erysiphe heraclei、链格孢灰斑病Alternaria burnsii、壳针孢叶斑病Septoria dearnessii、角斑病Pleospora sp.、茎点霉条斑病Phomasp.、细菌性角斑病(属种待定)和1种病毒病(毒源待定)。结论:白粉病和细菌性角斑病为害严重,是急待解决的问题。以上病害均为国内首次报道。

Six diseases have been found after disease surveys on Notopterygium incisum in Gansu province during 2004 to 2007. They were brown spot （Ascochyta levistici）, powdery mildew （Erysiphe heraclei）, grey spot （Alternaria sp. ;Alternaria burnsii ）, leaf spot （ Septoria dearnessii） , angular leaf spot （ Pleospora sp. ）, leaf streak （ Phoma sp. ）, bacterial angular leaf spot and a virus disease. Bacterial angular leaf spot and powdery mildew are the urgent problems waiting to be solved effectively. All these diseases were reported for the first time in China.