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A technology of herbicidal composition and mixture, which is applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problems of weed damage, weed death, and slow weeding speed, and achieve high-pollution Grass control level, widening weed spectrum, increasing selectivity effect
Active Publication Date: 2013-09-04
JIANGSU ROTAM CHEM
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[0011] In actual use, saflufenacil has low activity on some perennial sedges, and some perennial weeds will be severely damaged after continuous use for many years, such as flat stalk, cow felt, Japanese sedge, etc.
The above weeds n...
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[0088] Mix active components, dispersant, wetting agent and corn oil according to the ratio of the formula, and grind and / or high-speed shear to obtain 60% saflufenacil + 3% sodium dimethyltetrachloride oil suspending agent.
[0096] The active ingredient, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by an ultrafine grinder, a wettable powder of 2% saflufenacil + 10% potassium dimethyltetrachloride is obtained.
[0104] The active ingredient, various additives and fillers are mixed according to the proportion of the formula, and after being pulverized by an ultrafine pulverizer, 2% saflufenacil + 60% sodium dimethyltetrachloride wettable powder can be obtained.
[0105]
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Abstract
The invention relates to a synergetic herbicidal composition which comprises herbicidal active components of pyribenzoxim and 2-methyl-4-chloro-phenoxyacetic acid or a derivative thereof, wherein a weight ratio of pyribenzoxim to 2-methyl-4-chloro-phenoxyacetic acid or the derivative thereof is 100 : 1-1 : 100. The synergetic herbicidal composition is suitable for selective weed control weeds in beneficial crops such as rice. The synergetic herbicidal composition also can comprise a safety agent. Through binary compound of pyribenzoxim and 2-methyl-4-chloro-phenoxyacetic acid or the derivative thereof, the obtained novel composition can effectively overcome the defects that pyribenzoxim is used individually, enlarge herbicidal spectrum for weeds and delay the generation of resistance. The weeds in rice fields can be largely eradicated by applying the synergetic herbicidal composition at one time. The synergetic herbicidal composition is labor-saving, time-saving and effort-saving and has a certain effect for increasing both production and income for the rice. An enhanced effect in prevention of broad leaf weeds, grassy weeds and cyperaceae weeds in the rice fields is obtained.
Description
technical field [0001] The present invention relates to a synergistic herbicidal composition, which contains herbicidal active ingredients saflufenacil and dimethyltetrachlor or derivatives thereof, and is suitable for selectively controlling weeds in beneficial crops such as rice. Background technique [0002] Rice is one of the main food crops in the world. Nearly half of the world's population, including almost the entire population of East Asia and Southeast Asia, live on rice, and its production covers all continents except Antarctica. In the late last century, the average annual rice output in the world was about 400 billion kilograms, and the planting area was about 145 million hectares. Rice is also the most important food crop in my country. my country's rice sowing area accounts for 1 / 4 of the country's food crops, about 35 million hectares per year, while the output accounts for more than half. Regardless of the planting area and output, it ranks first in my cou...
Claims
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Application Information
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