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Triallate Phytotoxicity and Nitrogen Fertilization

Published online by Cambridge University Press:  12 June 2017

R. B. McKercher and
W. R. McGregor
R. B. McKercher
Affiliation:
Dep. Soil Sci., Univ. of Saskatchewan, Saskatoon, Canada S7N 0W0
W. R. McGregor
Affiliation:
Dep. Soil Sci., Univ. of Saskatchewan, Saskatoon, Canada S7N 0W0
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Abstract

Application of NH4 +-bearing fertilizer in field and pot experiments increased triallate [S-(2,3,3-trichloroallyl)diisopropylthiocarbamate] activity on oats (Avena sativa ‘Harmon’). The effect was consistent in the growth chamber, but field results were more variable, depending on soil moisture and temperature conditions. Because the pot experiments showed that the major effect was in shoot-zone-treated soils, the increased triallate activity was attributed to a reduction in triallate adsorption to the soil colloids. However, a smaller effect was measured in root-zone-treated soil, thus a physiological effect is also possible.

Keywords

Ammonium ionroot zoneshoot zonedesorption

Information

Type
Research Article
Information
Weed Science , Volume 28 , Issue 6 , November 1980, pp. 740 - 744
Copyright
Copyright © Weed Science Society of America 

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References

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