贵阳市公园草坪杂草发生及防除技术研究

Study on the Occurrence and Control Techniques of Lawn Weeds in Guiyang City Park

对公园草坪杂草进行了普查以探索杂草发生规律,采用普查法与5点取样法于2016~2017年调查了贵阳市5个公园草坪草杂草种类、分布及危害。结果表明:贵阳市公园草坪主要杂草种类有19科33种。受杂草危害最严重的是马蹄金草坪,其优势种杂草为车前、酢浆草、香附子、马唐、空心莲子草。此外,夏、秋季是贵阳市公园草坪草杂草发生高峰期。为此,提出了应综合考虑草坪草种类,优势种杂草、杂草易发高发季节等,安全高效除杂,加强草坪养护,提高公园草坪质量。以期为公园草坪的建植和管理提供参考。

This paper conducts a general survey of park lawn weeds and explores the occurrence of weeds in order to provide reference for the establishment and management of park lawns. Investigations on species, distribution and damage of lawn weeds in 5 parks were conducted using the Census method and the 5-point sampling method during 2016 ~ 2017 in Guiyang. 33 common species of lawn weeds belonging to 19 families were identified. The most harmful for weeds was DichondrarepensForstlawn, which dominant weeds were Plantagoasiatica, Oxalis corniculata L.,Cyperusrotundus L.,Digitariasanguinalis(L.) Scop.,Alternantheraphiloxeroides(Mart.)Griseb. In addition, the fastigium of weeds occurrence on parks in Guiyang was in summer and autumn. The types of turfgrass should be comprehensively considered, the dominant weeds, the weeds are prone to high seasons, etc., safe and efficient to remove impurities, strengthen lawn maintenance, and improve the quality of park lawns.