Author:
Zandstra Bernard H.,Teo Chris K. H.,Nishimoto Roy K.
Abstract
Purple nutsedge (Cyperus rotundusL.) plants were treated in the greenhouse and field with glyphosate [N-(phosphonomethyl)glycine]. Fresh weight of leaves, sprouts per original tuber, and sprouts per new tuber were reduced by 4 kg/ha glyphosate in the greenhouse. In the field, glyphosate at 2 and 4 kg/ha was compared to several herbicides for nutsedge control in repeated applications over an 8-month period. After several applications, glyphosate reduced the number of plants per unit area. After rotovation (working the soil thoroughly to a depth of 15 cm) and reapplication, glyphosate and MSMA (monosodium methanearsonate) plots had fewer plants and tubers per unit area than controls.
Publisher
Cambridge University Press (CUP)
Subject
Plant Science,Agronomy and Crop Science
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