运城地区常见园林杂草调查

Investigation into the weeds in the Landscape of Yun cheng Area of Shanxi Province

基于对山西省运城市杂草分布的调查,统计分析了运城市杂草种类以及杂草发生时间、发生频率等,研究发现,运城市中常见率较高的园林杂草有92种,涉及31个科,发生危害时间有春季及初夏、夏秋季等时间段,危害和发生频率也各有特点,其中草坪中的优势杂草有抓地龙、大画眉草、莎草。在防治时,结合杂草的危害规律、特点以及危害时间,为本地区园林杂草制定合理而有效的防控方案。

The author made an analysis of the weed species and the occurrence time and frequency on the investigation of weeds distribution in Yuncheng area of Shanxi province.The results showed that there are92types of weed belonging to31families which occurs in spring,summer and autumn,and each type’s harmfulness and occurrence frequency has its own characteristics.The dominant weeds in lawn are Digitaria sanguinalis,Eragrostis cilianensis and Cyperus rotundus.We are expected to find out effective control measures according to the characteristics of weeds occurrence.