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Nitrite Accumulation within Herbicide-Treated Leaves
Lowell A. Klepper
Vol. 24, No. 6 (Nov., 1976), pp. 533-535
Stable URL: http://www.jstor.org/stable/4042601
Page Count: 3
You can always find the topics here!Topics: Nitrites, Herbicides, Nitrates, Leaves, Plants, Incubation, Soybeans, Pesticidal action, Observational research, Weed control
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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.
Weed Science © 1976 Weed Science Society of America