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RESEARCH ARTICLE

The selective chemical control of Wimmera ryegrass in wheat with di-allate and tri-allate

TG Reeves and CL Tuohey

Australian Journal of Experimental Agriculture and Animal Husbandry 12(54) 55 - 59
Published: 1972

Abstract

Two herbicides, di-allate and tri-allate, were compared for the pre-emergence control of Wimmera ryegrass (Lolium rigidum) in wheat at three different locations in the Victorian wheatgrowing areas. Both herbicides significantly reduced ryegrass populations in the crop, but di-allate was consistently more effective than tri-allate. Grain yields were generally enhanced by spraying, but 1.12 kg a.i. per hectare of either material sometimes caused crop damage when applied before sowing. On an economic basis, di-allate at 0.56 kg a.i. per hectare was superior to all other treatments whether applied just before or just after sowing.

https://doi.org/10.1071/EA9720055

© CSIRO 1972

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