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Recent Advances in the Chemical Control of Wild Oats

Published online by Cambridge University Press:  12 June 2017

G. W. Selleck
G. W. Selleck*
Affiliation:
University of Saskatchewan, Saskatoon, Canada
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Extract

The wild oat developed along with man's early agricultural activities, adapted to his artificial environments and accompanied him in his migration, to become a major problem in grain growing areas of Europe, Asia, Australia and North America. Manson's survey revealed approximately 61 million acres of cultivated land infested with wild oats in western Canada. At the present time, the weed infests most soils in the black and transition black-grey soil zones and medium- to fine-textured soils in the dark brown soil zone. In the brown soil zone, wild oats are usually confined to fine-textured soils or to depressional areas. “Moderate” infestations reduced barley yields by 15.5 percent and flax yields by 79.4 percent during a four-year period. Severe infestations may occasionally produce as many as 900 to 1,000 plants per sq m, in which case they are “turned under” since competition from such an infestation makes crop production impractical.

Type
Research Article
Information
Weeds , Volume 9 , Issue 1 , January 1961 , pp. 60 - 71
Copyright
Copyright © 1961 Weed Science Society of America 

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References

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