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Herbicide composition
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A composition and herbicide technology, applied in the directions of herbicides, algaecides, biocides, biocides, etc., to achieve the effects of slowing down weed resistance, reasonable components and good crop safety
Active Publication Date: 2010-02-03
SHAANXI SUNGER ROAD BIO SCI
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[0008] In order to overcome the defect of existing single preparation or binary preparation, the technical scheme of herbicide composition of the present invention is solved like this:
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Embodiment 1
[0017] Weigh 2% nicosulfuron, 23% atrazine, 10% fluroxyfen, 3% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 2% diffusing agent NNO (alkyl naphthalene Sulfonate formaldehyde condensate), 3% pull open powder BX (sodium dibutylnaphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 3% white carbon black, 5% ammonium sulfate, silicon Alginate is added to 100% by weight. 35% nicosulfuron-atrazine-fluroxypyr water-dispersible granules were prepared by the conventional method for preparing water-dispersible granules from the above-mentioned raw materials, ie, mixing, ultrafine airflow pulverization, mixing, and granulation.
[0018] In this embodiment, the weight ratio of nicosulfuron-methyl, atrazine and fluroxypyr can be changed between 1~50:1~80:1~50, and the total weight composition of the three is still 35%, forming new embodiment.
Embodiment 2
[0020] Weigh 3% nicosulfuron, 39% atrazine, 8% fluroxypyr, 5% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 3% diffusing agent NNO (alkyl naphthalene Sulfonate formaldehyde condensate), 4% pull open powder BX (sodium dibutylnaphthalene sulfonate), 4% K-12 (sodium lauryl sulfate), 3% white carbon black, 5% ammonium sulfate, silicon Alginate is added to 100% by weight. 50% nicosulfuron-atrazine-fluroxypyr water-dispersible granules are prepared by the conventional method for preparing water-dispersible granules from the above-mentioned raw materials, ie, mixing, ultrafine airflow pulverization, mixing, and granulation.
[0021] In this embodiment, the weight ratio of nicosulfuron, atrazine and fluroxyfen can vary between 1~50:1~80:1~50, and the total weight composition of the three is still 50%, forming new embodiment.
Embodiment 3
[0023] Weigh 2% nicosulfuron, 50% atrazine, 20% fluroxyfen, 5% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, U.S.), 2% diffusing agent NNO (alkyl naphthalene Sulfonate formaldehyde condensate), 2% pull open powder BX (sodium dibutylnaphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 3% white carbon black, 5% ammonium sulfate, silicon Alginate is added to 100% by weight. 72% nicosulfuron-atrazine-fluroxypyr water-dispersible granules were prepared from the above-mentioned raw materials through the conventional method for preparing water-dispersible granules, ie, mixing, ultrafine airflow pulverization, mixing, and granulation.
[0024] In this embodiment, the weight ratio of nicosulfuron-methyl, atrazine and fluroxyfen can vary between 1~50:1~80:1~50, and the total weight composition of the three is still 72%, forming new embodiment.
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Abstract
The invention discloses a herbicide composition for preventing and removing weeds in farmlands and application thereof, in particular a herbicide composition used for preventing and treating gramineous weeds and broadleaf weeds between cornfields. The herbicide composition is a ternary herbicide mixed agent comprising the active components of nicosulfuron, atrazine and fluroxypyr. In the composition, the weight ratio of the nicosulfuron, the atrazine and the fluroxypyr is 1-50:1-80:1-50, preferably 1-10:1-50:1-20. The invention has reasonable components, has better preventing effect in comparison with the activity of each component when being applied independently, has a synergistic action, expands the preventing and treating spectra of the weeds, reduces the application frequency, lowersthe preventing and treating cost, delays the generation of the resistibility of the weeds, has good safety to crops and conforms to the safety requirement of pesticide preparations. The invention hasan obvious preventing and treating effect of 85.80-95.13% to the gramineous weeds and the broadleaf weeds between the cornfields.
Description
technical field [0001] The invention relates to a herbicide composition, in particular to a herbicide used for preventing and treating grassy weeds, Cyperaceae and broad-leaved weeds in corn fields, which is composed of nicosulfuron, atrazine and chlorofluoro Pyroxyacetic acid is a ternary herbicide composition with active components. Background technique [0002] The English common name of nicosulfuron is nicosulfuron, other Chinese names are Yu Nongle and Nicosulfuron, and the molecular formula is C 15 h 18 N 6 o 6 S. Nicosulfuron is a sulfonylurea herbicide for corn fields. It can effectively control a variety of annual grass weeds, broadleaf weeds and sedge weeds in corn fields when applied after emergence at low doses. It is rapidly absorbed by leaves and roots, and rapidly transported through xylem and phloem. Synthesis of branched-chain amino acids is blocked by acetolactate synthase. Weeds stop growing immediately after application, and the new leaves fade and...
Claims
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Application Information
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