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Nitrite Accumulation Within Herbicide-Treated Leaves

Published online by Cambridge University Press:  12 June 2017

Lowell A. Klepper
Lowell A. Klepper*
Affiliation:
Plant Physiol., Dep. of Agron., Univ. of Nebraska, Lincoln, NE 68583
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Abstract

Six herbicides including DNP (2,4-dinitrophenol) were tested for their effects upon nitrate metabolism in green leaves. It was found that these herbicides which are not classified as “photosynthetic inhibitors” permitted nitrite to accumulate within green leaves in darkness but not in light. It is postulated that these herbicides have an uncoupling effect, similar to that of DNP, which indirectly affects the process of nitrate reduction. A new technique which demonstrates this effect is presented and discussed.

Information

Type
Research Article
Information
Weed Science , Volume 24 , Issue 6 , November 1976 , pp. 533 - 535
Copyright
Copyright © 1977 by the Weed Science Society of America 

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References

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