Herbicidal compositions

A - Human Necessities – 01 – N

Patent

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A01N 57/20 (2006.01)

Patent

CA 2255600

Surfactant adjuvant compounds of formula (I) where R1, R2, R3, R4, and R5 have defined meanings can be used with particular effect with glyphosate type herbicides to kill weed species that are recognised as particularly difficult to kill. Examples of such weeds are broad leaved (dicotyledon) weed such as Chenopodium album, Solanum nigrum, Lactuca saligna, Amaranthus retroflexus and Erigeron canadensis (annuals) and Cirsum arvense (perennial) and similar related weeds from these genera and perennial monocotyledon such as Lolium perenne, Convolvulus arvensis and, especially, Agropyron repens and similar related weeds from these genera.

L'invention concerne des composés adjuvants tensioactifs de la formule (I) dans laquelle R?1¿, R?2¿, R?3¿, R?4¿ et R?5¿ ont des désignations prédéterminées et peuvent être utilisés, avec une efficacité particulière, avec des herbicides de type glyphosates en vue d'éliminer des espèces de plantes nuisibles, reconnues comme étant particulièrement difficiles à détruire. Ces plantes nuisibles sont des plantes à larges feuilles (dicotylédon) telles que Chenopodium album, Solanum nigrum, Lactuca saligna, Amaranthus retroflexus et Erigeron canadensis (plantes annuelles) et Cirsum arvense (plante pérenne) et des plantes nuisibles similaires provenant de ces espèces, ainsi que le monocotylédon pérenne tel que Lolium perenne, Convolvulus arvensis et notamment Agropyron repens et des plantes nuisibles similaires provenant de ces espèces.

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