湘北地区草坪杂草种类、分布及其危害的评价研究

Turf weed species in north Hunan and their distribution and harm

从重要值和相对多度两方面对湘北地区城区草坪杂草进行了调查研究,初步了解湘北地区城区草坪杂草的种类、分布与危害程度。湘北地区城区草坪常见杂草有126种,隶属36科115属。菊科、禾本科和唇形科杂草共有44种,为优势科;雀稗Paspalumthunbergii、莎草Cyperusrotundus、狗牙根Cynodondactylon等8种杂草为杂草优势种,也是重要的防除对象。

The importance value and relative abundance of turf weeds in north Hunan were investigated, and an initial understanding of the species, distribution, and harm levels was gained. There are about 126 common species, of 115 genera and 36 families. 44 species were of the dominant families Compositae, Gramineae and Labiatae. The eight dominant species included Paspalum thunbergii, Cyperus rotundus , and Cynodon dactylon, which are also the target weeds for control.