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Effect of Trifluralin and Metribuzin Combinations on Soybean Tolerance to Metribuzin

Published online by Cambridge University Press:  12 June 2017

James S. Ladlie ,
William F. Meggitt  and
Donald Penner
James S. Ladlie
Affiliation:
Dep. Crop and Soil Sci., Michigan State Univ., E. Lansing, MI 48824
William F. Meggitt
Affiliation:
Dep. Crop and Soil Sci., Michigan State Univ., E. Lansing, MI 48824
Donald Penner
Affiliation:
Dep. Crop and Soil Sci., Michigan State Univ., E. Lansing, MI 48824
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Abstract

In field trials, soybeans [Glycine max (L.) Merr.] treated with trifluralin [α,α,α-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine] at 0.56 and 0.84 kg/ha were protected from injury by metribuzin [4-amino-6-tert-butyl-3-(methylthio-as-triazine-5(4H)one] at 0.28 to 1.12 kg/ha. Soybean injury from metribuzin at high soil pH values was reduced by applying it in combination with trifluralin. Trifluralin also protected soybeans from injury caused by low rates of atrazine [2-chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine] greenhouse studies. The trifluralin treatment reduced root development and greatly reduced 14C-atrazine and 14C-metribuzin uptake and content within the soybean plant.

Type
Research Article
Information
Weed Science , Volume 25 , Issue 1 , January 1977 , pp. 88 - 93
Copyright
Copyright © 1977 by the Weed Science Society of America 

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References

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