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Paraquat Soil Bonding and Plant Response

Published online by Cambridge University Press:  12 June 2017

B. V. Tucker ,
D. E. Pack ,
J. N. Ospenson ,
A. Omid  and
W. D. Thomas Jr.
B. V. Tucker
Affiliation:
Chevron Chemical Co., Ortho Division, Richmond, California
D. E. Pack
Affiliation:
Chevron Chemical Co., Ortho Division, Richmond, California
J. N. Ospenson
Affiliation:
Chevron Chemical Co., Ortho Division, Richmond, California
A. Omid
Affiliation:
Chevron Chemical Co., Ortho Division, Richmond, California
W. D. Thomas Jr.
Affiliation:
Chevron Chemical Co., Ortho Division, Richmond, California
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Abstract

The toxicity of 1,1'-dimethyl-4,4'-bipyridinium ion (paraquat) in soil can be related to the degree of bonding strength to the soil aggregates. Tightly bound material is unavailable to plants, while loosely bound material can be potentially available to plants. On the basis of growth of corn (Zea mays L., var. Golden Cross Bantam) and beans (Phaseolus vulgaris L., var. Idaho 1-11) in sand, loamy sand, loam, and muck treated with paraquat, it is concluded that planned and careful application would not lead to accumulation of lethal dosages in medium to heavy soils.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 4 , October 1969 , pp. 448 - 451
Copyright
Copyright © 1969 Weed Science Society of America 

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References

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