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Triallate Accumulation in Wild Oat and Barley

Published online by Cambridge University Press:  12 June 2017

G. H. Thiele  and
R. L. Zimdahl
G. H. Thiele
Affiliation:
Weed Res. Lab., Dep. Bot. and Plant Pathol., Colorado State Univ., Fort Collins, CO 80523
R. L. Zimdahl
Affiliation:
Weed Res. Lab., Dep. Bot. and Plant Pathol., Colorado State Univ., Fort Collins, CO 80523
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Abstract

Analysis of entire barley (Hordeum vulgare ‘Moravian’) seedlings exposed to triallate [S-(2,3,3-trichloroallyl)-diisopropylthiocarbamate] vapor for 5 days after a 5-day germination period resulted in a linear rate of accumulation of triallate, while wild oat (Avena fatua L.) seedlings accumulated triallate for 1/2 to 2 days after exposure with no net accumulation thereafter. Similar accumulation patterns were shown for a similar exposure period when barley and wild oat were seeded 1.3 cm below a triallate-treated soil layer in the greenhouse. More triallate accumulated in wild oat and barley when they were planted in a triallate-treated soil layer than below. Since barley accumulated greater amounts of triallate without injury than wild oat, differential uptake of triallate was not the reason for selectivity.

Type
Research Article
Information
Weed Science , Volume 24 , Issue 2 , March 1976 , pp. 183 - 185
Copyright
Copyright © 1976 by the Weed Science Society of America 

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References

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