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Effects of Triallate on Wild Oat Grown in a Growth Chamber

Published online by Cambridge University Press:  12 June 2017

R. B. McKercher ,
R. Ashford  and
R. E. Morgan
R. B. McKercher
Affiliation:
Dep. of Soil Sci., Univ. of Saskatchewan, Saskatoon, Canada S7N 0W0
R. Ashford
Affiliation:
Dep. Crop Sci., Univ. of Saskatchewan, Saskatoon, Canada S7N 0W0
R. E. Morgan
Affiliation:
Dep. of Soil Sci., Univ. of Saskatchewan, Saskatoon, Canada S7N 0W0
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Abstract

Triallate [S-(2,3,3-trichloroallyl)diisopropylthiocarbamate] mixed with soil (1.5 ppmw) stimulated coleoptile extension, reduced the length of the primary leaf, but had no effect on mesocotyl development of wild oat (Avena fatua L.) grown in soil in a growth chamber. Incubation of the triallate-treated soil for as long as 20 weeks at constant temperatures (10 C, 16 C, and 20 C) did not reduce phytotoxicity. Triallate phytotoxicity was similar at soil moisture levels of either 5% greater than wilting point or 5% less than field capacity. The phytotoxicity remained the same after a freezing cycle during an 8-week soil incubation. Phytotoxic effects of triallate were markedly reduced as soil organic matter increased.

Type
Research Article
Information
Weed Science , Volume 23 , Issue 4 , July 1975 , pp. 283 - 285
Copyright
Copyright © 1975 by the Weed Science Society of America 

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References

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