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Influence of Tartary Buckwheat (Fagopyrum tataricum) Density on Yield Loss of Barley (Hordeum vulgare) and wheat (Triticum aestivum)

Published online by Cambridge University Press:  12 June 2017

E. Ann de St. Remy ,
John T. O'Donovan ,
Alan K. W. Tong ,
P. Ashley O'Sullivan ,
M. Paul Sharma  and
Don A. Dew
E. Ann de St. Remy
Affiliation:
Agric. Can., Res. Stn., Lacombe, Alberta TOC 1SO, Canada
John T. O'Donovan
Affiliation:
Alberta Environ. Ctr., Vegreville, Alberta TOB 4LO, Canada
Alan K. W. Tong
Affiliation:
Agric. Can., Res. Stn., Lacombe, Alberta TOC 1SO, Canada
P. Ashley O'Sullivan
Affiliation:
Agric. Can., Res. Stn., Lacombe, Alberta TOC 1SO, Canada
M. Paul Sharma
Affiliation:
Alberta Environ. Ctr., Vegreville, Alberta TOB 4LO, Canada
Don A. Dew
Affiliation:
Agric. Can., Res. Stn., Lacombe, Alberta TOC 1SO, Canada
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Abstract

The relationship between Tartary buckwheat (Fagopyrum tataricum (L.) Gaertn. ♯ FAGTA) plant density (x) and percent yield loss (ŷ) was expressed by the following linear regression equations for barley (Hordeum vulgare L.) and wheat (Triticum aestivum L.), respectively; ŷ = 0.63 + 2.75 √x and ŷ = 5.04 + 3.05 √x. Tartary buckwheat causes serious yield reduction in barley and wheat. A Tartary buckwheat density at 30 plants/m2 at emergence reduced barley yield by 16% and wheat yield by 22%.

Keywords

Yield loss equationsweed interferenceFAGTA
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 33 , Issue 4 , July 1985 , pp. 521 - 523
Copyright
Copyright © 1985 by the Weed Science Society of America 

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References

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