江淮地区园林苗圃地恶性杂草化学防除技术应用研究

Study on Application of Chemical Control Techniques for Worst Weeds in Landscape Plant Nurseries in Jianghuai Region

本文叙述了园林苗圃地主要杂草、除草剂,化学除草施用时间、浓度、方法,以及人工除草等综合防除技术,详细叙述了芽前、苗期化学和人工除草技术及苗圃地空心莲子草、鸭跖草、香附子、芦蒿、刺儿菜、白茅6种恶性杂草,以及防除难度较大的杂草马唐、铁苋菜、苋菜、醴肠、藜、田旋花、野鸡冠花、马齿苋、茼麻等化学除草方法,为园林苗木培育提供实用的苗圃化学除草操作技术。

In this paper the integrated control techniques regarding the main weed species,herbicides and the times,concentrations,methods of their applications for chemical weeding and artificial weeding in landscape plant nurseries were introduced. Chemical and artificial weeding techniques for 6 worst weeds in pre-emergence and seedling stages were elaborated in detail including Alternanthera philoxeroides,Commelina communis,Cyperus rotundus,Artemisia Selengensis,Cirsium setosum and Imperata cylindrica,so were the chemical weeding methods for difficult-to-control weed species Digitaria sanguinalis,Acalypha australis,Amaranthus tricolor,Eclipta prostrata,Chenopodium quinoa,Convolvu arvensis,Celosia cristata,Portulaca oleracea and Abutilon theophrasti. The study could provide practical chemical weeding operation techniques for landscape plant nurseries.