广州市草坪杂草发生情况新报及防除措施研究

通过一年4次在不同区域的调查,发现广州地区草坪杂草有145种,122属,50科,严重为害的有虾钳菜Alternanthera sessilis,空心莲子草A.philoxeroides,红花酢浆草Oxalis corymbosa:,酢浆草O.corniculata,积雪草Centella asiatica,天胡荽Hydrocotyle sibthorpioides,鳢肠Ecliptaprostrata,泥花草Lindernia antipoda,莎草Cyperus rotundus,水蜈蚣Kyllinga brevifolia,绊根草Cynodondactylon,马唐Digitaria sanguinalis等10余种.与1 995年调查结果比较,杂草种类增多,严重为害的杂草种类有较大变化,针对杂草的演变进行了防除措施的分析.

A new report on turf weed occurrence, and turf weed control measures in Guangzhou

Investigation in different areas of Guangzhou from 2001-2002 found 145 weed species that belong to 122 genera and 50 families. 82.76% of them were broad-leaf weeds, and only 14.48% of them were monocotyledon weeds. Weeds causing serious harm included Alternanthera sessilis, Alternanthera philoxeroides, Oxalis corymbosa, Oxalis corniculata, Hydrocotyle sibthorpioides, Centella asiatica, Eclipta prostrata, Lindernia antipoda, Cyperus rotundus, Kyllinga brevifolia, Cynodon dactylon, and Digitaria sanguinalis. Compared with the 1995 investigation results, weed species had increased, and weed species causing serious harm experienced quite big change. In light of weed evolvement, this paper also analyses control measures.