2008•Jilin Agricultural SciencesRequires access

Studies on the Effect and Safety of Controlling Weed in Spring Corn Field with 20% Nicosulfuron.Bromoxynil Octanoate

Lijun Chen

Abstract

20% Nicosulfuron.Bromoxynil Octanoate is a new herbicide applied to corn field.It was cho-sen to control weeds in corn field and its safety was studied in this experiment.The results showed that appli-cation of 20% NBOSA at 270-300 g/hm2could control weed and it is safety.The optimum application time was 3-5 leaf stage.Control effects of annual monocotyledonous 45 days after application were 82.7%-89.0%,and control effects of dicotyledonous weeds were 77.7%-84.3%.The total control effects were 80.4%-86.8 %.Corn yield increased by 18.2% compared with manual weeding.

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Key concepts: Agronomy, Bromoxynil, Weed control, Field corn, Weed, Biology, Yield (engineering), Zea mays