Weeding composition containing penoxsulam and pyribenzoxim
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A technology of pyrimethoxam and penoxsulam, which is applied in the directions of herbicides, algaecides, biocides, animal repellents, etc. The effect of herbal resistance
Active Publication Date: 2013-12-04
GUANGDONG ZHONGXUN AGRI TECH
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Problems solved by technology
The weeding speed of the chemical is relatively slow, and the growth of weeds can be inhibited after application, but it must die after 2 weeks
Method used
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Embodiment 1
[0032] Penoxsulam 10%,
[0033] Saflufenacil 10%,
[0034] Nongru 1601# 15%,
[0035] Wetting agent LS 5%,
[0036] SOPA-2700 4%,
[0037] Bentonite 3%,
[0038] Xanthan Gum 0.1%,
[0039] Silicone 0.4%,
[0040] Glycerol 5%,
[0041] Deionized water to 100%.
[0042] The above formula is pre-crushed according to the proportion, then added to a sand mill for grinding, and mixed by high shear to prepare a 20% penoxsulam·saflufenacil suspension concentrate.
Embodiment 2
[0044] Penoxsulam 2%,
[0045] Saflufenacil 18%,
[0046] Calcium dodecylbenzenesulfonate 5%,
[0047] Castor Oil Ethoxylates 11%,
[0048] Sodium lignosulfonate 4%,
[0049] Methyl oleate to 100%.
[0050] The above materials are pre-crushed according to the proportion, and then added to a sand mill for grinding, and then prepared after high-shear mixing to prepare 20% penoxsulam·saflufenacil oil suspension concentrate.
Embodiment 3
[0052] Penoxsulam 15%,
[0053] Saflufenacil 5%,
[0054] Pull open powder 5%,
[0055] Dispersant NNO 12%,
[0056] Talc 4%,
[0057] Kaolin up to 100%.
[0058] The above formula is coarsely pulverized in proportion, put into a mixer and mixed evenly, and then jet pulverized to obtain 20% penoxsulam·saflufenacil wettable powder.
[0059] Preparation method embodiment four:
[0060] Penoxsulam 18%,
[0061] Saflufenacil 2%,
[0062] Sodium Lauryl Sulfate 6%,
[0063] Polycarboxylate 4%,
[0064] Sodium Chloride 2%,
[0065] Polyethylene glycol 3%,
[0066] Kaolin up to 100%.
[0067] Dry pulverize, granulate, dry, and sieve the above formula in proportion to prepare 20% penoxsulam·saflufenacil water-dispersible granules.
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Abstract
The invention discloses a weeding composition containing penoxsulam and pyribenzoxim. The active ingredients of the weeding composition are penoxsulam, pyribenzoxim, and the other parts of the weeding composition are pesticide auxiliaries, wherein the weight part ratio between penoxsulam and pyribenzoxim in the weeding composition ranges form (1:20) to (20: 1). The weeding composition disclosed by the invention can be prepared into a suspending agent, an oil suspended agent, wettable powder, or water dispersible granules according to application requirements, and can be used for preventing and eliminating annual weed in a paddy field. The weeding composition has the advantages that the paddy field weed preventing and eliminating effect is remarkably higher than that of each single agent; the dosage can be reduced effectively; the drug resistance of weed can be delayed.
Description
technical field [0001] The invention relates to a herbicidal composition containing penoxsulam and saflufenacil, which is used for preventing and controlling annual weeds in paddy fields by taking penoxsulam and saflufenacil as active ingredients. Background technique [0002] Chemical weeding is one of the main means of controlling weeds in agriculture. In recent years, due to the large-scale single use of some herbicide varieties, many weeds have developed resistance. At the same time, when weeds occur, the grass phase is complex, grass weeds, broad-leaved weeds, and sedges are mixed, and the use of a single herbicide cannot solve farmland weeds, and all will show some defects and limitation. Mixing different types of herbicides has the advantages of broad herbicidal spectrum, improving the actual effect, delaying weed resistance, and saving time and labor. [0003] Penoxsulam, English common name: penoxsulam, chemical name: 2-(2,2-difluoroethoxy)-N-(5,8-dimethoxy(1,2,4...
Claims
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Application Information
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