The herbicidal compositions and methods of weed control in fallow field

摘要

1. A herbicidal composition for controlling weeds in fallow fields, comprising as active ingredient a combination of glyphosate (A) or salts thereof with sulfonylurea herbicides (B), characterized in that as the sulfonylurea herbicides, a mixture of two sulfonylurea herbicides and their salts, selected from the group consisting of chlorsulfuron (B1), metsulfuron-methyl (B2), ethametsulfuron-methyl (B3) and / or triasulfuron (B4), and taken in quantities obeschivayuschih synergistic effect in the combined use of a su- components of the active substance. ! 2. A herbicidal composition according to claim 1, comprising the following combination of the active ingredient: I glyphosate (A) + chlorsulfuron (B1) + metsulfuron-methyl (B2) in a weight ratio A: B1: B2, equal (180-250) :( 1-2) :( 2-1) as acid equivalent (a. e).; ! Glyphosate II (A) + chlorsulfuron (B1) + ethametsulfuron-methyl (B3) in a weight ratio A: B1: B3, equal (150-250): 1: (2-4) by KE .; ! III glyphosate (A) + metsulfuron-methyl (B2) + ethametsulfuron-methyl (B3) in a weight ratio A: B2: B3, equal (125-250): 1: (1-4) by KE .; ! IV glyphosate (A) + chlorsulfuron (B2) + triasulfuron (B4) in the weight ratio A: B1: B4, equal (180-250) :( 1-2) :( 1-2) for KE .; ! Glyphosate V (A) + metsulfuron-methyl (B2) + triasulfuron (B4) in the weight ratio A: B2: B4, equal (180-300) :( 1-2) :( 1-2) for a.e. ! 3. A herbicidal composition according to claim 1, characterized in that it can be represented in the form of formulations such as water dispersible granules, or wettable powders, and further contains the necessary surfactants, fillers and other additives. ! 4. A herbicidal composition according to claim 3, characterized in that h