Synergistic herbicide composition

 

Describes a synergistic herbicide composition in the following ratio of components by weight: 2,4-D+dicamba (7-10):1 43,4-385, chlorsulfuron 3-5, lontrel 30-60. The technical result of the invention to provide a new synergistic herbicide compositions with a high coefficient of synergy. table 1.

The invention relates to chemical means of weed control.

Known herbicides 2,4-D - 2,4-dichlorophenoxyacetic acid (List of pesticides and agrochemicals permitted for use on the territory of the Russian Federation 2001, Supplement to the journal "Protection and quarantine of plants" 3, 2001, S. 160-164), dicamba-6-methoxy-3,6-dichlorobenzene acid (S. 185), chlorsulfuron - 2-chloro-N-[(4-methoxy-6-methyl-1,3,5-triazine-2-yl)aminocarbonyl] benzosulfimide (ibid, S. 223), lontrel-3,6-dichlorphenoxy acid (ibid, S. 189-190) and synergistic compositions containing chlorsulfuron and 2,4-D (ibid, S. 165), lontrel and 2,4-D (ibid, S. 164), 2,4-D and dicamba in the ratio by weight of 10:1 Dialin (ibid, S. 166) and in the ratio by weight of 7: 1 - Catalan (ibid, S. 166), lontrel and chlorsulfuron (EN 1483685 C1, 05.04.1994).

The technical result of the invention to provide a new synergistic herbicide composition a composition, contains 2,4-D and dicamba, according to the invention further comprises chlorsulfuron and lontrel in the following ratio of components by weight: 2,4-D+dicamba (7-10):1 - 43,4-385 Chlorsulfuron - 3-5 Lontrel - 30-60 Composition is prepared by mixing the listed components in a predetermined ratio or when using dialene or Catalana as a pre-prepared mixtures of 2,4-D and dicamba. Before using a herbicide composition is dissolved in water.

To confirm the claimed technical result was a series of experiments in which the wheat was determined by the decrease in the mass of weeds after processing the listed herbicides and their compositions. According to the Colby formula was determined by the expected reduction in the mass of weeds in the processing compositions and calculated the coefficient of synergy. The results are summarized in table.

Claims

Synergistic herbicide composition containing 2,4-D and dicamba, characterized in that it further comprises chlorsulfuron and lontrel in the following ratio of components by weight:

2,4-D+dicamba (7-10):1 43,4-385

Chlorsulfuron 3-5

Lontrel 30-60

 

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