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- Title
Joint action of some root-absorbed herbicides in oats (Avena sativa L.).
- Authors
Streibig, J. C.
- Abstract
In growth chambers the phytotoxicity of binary mixtures of four herbicides was compared using an Additive Dose Model as reference. Of the four herbicides used, lenacil was the most potent whereas ethofumesate was the least potent herbicide; chloridazon and metamitron were equally potent. The Additive Dose Model implicitly presupposes that at any one response level the herbicides of a mixture can replace each other in proportion to their relative potency when applied separately. Metamitron and chloridazon mixtures appeared to follow the reference model. The efficacy of mixtures of lenacil and chloridazon or lenacil and metamitron, however, were increased in comparison with the herbicides applied separately. On the other hand, lenacil and ethofumesate or metamitron and ethofumesate were less phytotoxic than expected from the Additive Dose Model. The results are discussed in relation to the mode of action of the compounds.
- Subjects
PHYTOTOXINS; HERBICIDES; PESTICIDES; WEED control; AGRICULTURAL chemicals
- Publication
Weed Research, 1986, Vol 26, Issue 3, p207
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1986.tb00698.x