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A herbicidal composition and plant technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problems that weed resistance can not be ignored, so as to improve the control effect and make up for the killing effect. The grass spectrum is not wide, the effect of improving the control effect
Active Publication Date: 2015-07-01
JIANGSU ROTAM CHEM
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Although there is no report on the resistance of weeds to penoxsulam, in actual production, the dosage has been increased by 2-2.5 times, and the dosage will increase again in the next few years. The resistance of weeds cannot be ignored. The problem
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[0087] Mix the active components, dispersant, wetting agent and corn oil according to the proportion of the formula, and then grind and / or high-speed shear to obtain 20% penoxsulam + 1% sodium dimethyltetrachloride oil suspension.
Embodiment 2
[0088] Example 2 2% Penoxsulam + 10% Dimethyltetrachloropotassium WP
[0089] Penoxsulam 10%
[0090] Potassium Dimethyltetrachloride 2%
[0091] Sodium Lauryl Sulfate 10%
[0092] Sodium lignosulfonate 5%
[0093] Silica 10%
[0094] Kaolin supplemented to 100%
[0095] The active ingredient, various additives and fillers are mixed according to the ratio of the formula, and after being pulverized by an ultrafine grinder, 2% penoxsulam + 10% dimethyltetrachloropotassium wettable powder can be obtained.
[0102] The active ingredient, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by an ultra-fine pulverizer, 0.1% penoxsulam + 50% sodium dimethyltetrachloride wettable powder is obtained.
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Abstract
The invention provides a compound herbicide composition. The compound herbicide composition is prepared from a first active ingredient and second active ingredients, wherein the first active ingredient is penoxsulam; the second active ingredients are 2-methyl-4-chlorophenoxy acetic acid or a derivative thereof; and the weight percent ratio of the two active ingredients is (800:1)-(1:800). The compound herbicide composition has the beneficial effects that by carrying out binary compounding on the penoxsulam and 2-methyl-4-chlorophenoxy acetic acid or the derivative thereof, the new composition is applied to controlling grassy weeds, broadleaf weeds and cyperaceae weeds in the rice fields, has an ideal control effect, has a control effect obviously higher than the effect when the single dosage is independently used, can basically kill the main weeds in the rice fields, slows down generation of resistance of the weeds, is safe for crops and meets the safety requirements of pesticide preparations.
Description
[0001] This application is a divisional application with the application number 201310153770.5, the application date is April 28, 2013, and the invention name is "Compound Herbicidal Composition". technical field [0002] The invention relates to a compound herbicidal composition, in particular to a novel compound herbicidal composition which is binary compounded with penoxsulam, dimethyltetrachlor and derivatives thereof and applied to paddy fields. Background technique [0003] Rice is one of the main food crops in the world. Nearly half of the world's population eats rice, and its production covers all continents except the South and North Pole. At the end of the 20th century, the world's annual rice output averaged about 400 billion kilograms, and the planting area was about 1.45 billion hectares. Rice is one of the important food crops in China. The sown area of rice in China accounts for about 1 / 4 of the country's food crops, about 35 million hectares per year, and t...
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