CN114794141A - Compound weeding composition and compound herbicide - Google Patents
Compound weeding composition and compound herbicide Download PDFInfo
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- CN114794141A CN114794141A CN202210458446.3A CN202210458446A CN114794141A CN 114794141 A CN114794141 A CN 114794141A CN 202210458446 A CN202210458446 A CN 202210458446A CN 114794141 A CN114794141 A CN 114794141A
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- ammonium
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
- A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
- A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/30—Derivatives containing the group >N—CO—N aryl or >N—CS—N—aryl
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- General Health & Medical Sciences (AREA)
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Abstract
The invention belongs to the technical field of herbicides, and particularly relates to a compound weeding composition and a compound herbicide, wherein the compound weeding composition comprises a weeding active component A and an auxin analogue; the weeding active component A is glufosinate-ammonium or weeding active derivatives thereof; the auxin analogue is diphenyl urea or derivatives thereof, including but not limited to N, N-dimethyl-N, N-diphenyl urea and 3,4,4' -trichloro-sym-diphenyl urea. The invention utilizes the physiological and biochemical actions of the diphenylurea as a similar auxin in plants, and the diphenylurea is matched with the refined glufosinate-ammonium for use, thereby improving the biological activity of the herbicide for killing weeds, maintaining or increasing the weeding effect, reducing the unit dosage of the refined glufosinate-ammonium and slowing the resistance of the weeds to the refined glufosinate-ammonium. In addition, the compound herbicide with different formulations can be prepared by adopting the compound herbicide composition and the auxiliary agent, and the application is flexible and wide.
Description
Technical Field
The invention belongs to the technical field of herbicides, and particularly relates to a compound weeding composition and a compound herbicide.
Background
L-glufosinate, also called glufosinate-ammonium, was originally found to be an active metabolite of bialaphos, a biopesticide, in plants, and its herbicidal activity is twice that of ordinary glufosinate, and the application rate per mu is only 50% of glufosinate, and the application cost is basically equivalent, so that the japanese company developed the monoisomer glufosinate-ammonium in 2006 successfully.
The glufosinate-ammonium is a biocidal contact-type weed stem and leaf treatment herbicide, has good water solubility, a stable structure and a certain systemic effect, is only limited to be transmitted from the base of a leaf to the top of the leaf, the action mechanism of the herbicide is that glutamine synthetase is used as target enzyme, nitrogen metabolic disturbance in a plant body is caused by inhibiting the activity of the glutamine synthetase, ammonium is excessively accumulated, chloroplast is disintegrated, the photosynthesis of the plant is destroyed, the grass can be transmitted in the xylem of the plant through plant transpiration after the grass absorbs the glufosinate-ammonium, the grass gradually withers and becomes necrotic after 3-5 days at normal temperature, and the lasting period is as long as about 30 days.
The refined glufosinate-ammonium has low toxicity and is relatively safe, easy to degrade in soil, safe to crops, small in drift and safe to adjacent crops; the weeding composition has a wide weeding spectrum (effective to various annual and perennial weeds), can control malignant weeds with resistance to glufosinate, has high activity, can quickly kill weeds (between glufosinate and paraquat), and obviously reduces the dosage of original medicines by the refined glufosinate, thereby improving the economic efficiency of products, reducing the dosage of pesticides and lightening the environmental pressure.
Although glufosinate-ammonium has many of the advantages mentioned above, it is still easy to cause resistant weeds after long-term use, and therefore, it is of great importance to further study a herbicidal composition which can be used in combination with glufosinate-ammonium to slow the resistance of weeds to glufosinate-ammonium.
Disclosure of Invention
The invention provides a compound weeding composition for overcoming the problem that the prior art is still easy to generate resistant weeds by using an ammonium glufosinate-ammonium medicament, which is not only beneficial to reducing the using amount of the ammonium glufosinate-ammonium and relieving the environmental stress, but also good in weeding effect.
The invention provides a compound weeding composition, which comprises a weeding active component A and an auxin analogue;
the weeding active component A is glufosinate-ammonium or weeding active derivatives thereof;
the auxin analogue is diphenyl urea or derivatives thereof, including but not limited to N, N-dimethyl-N, N-diphenyl urea and 3,4,4' -trichloro-sym-diphenyl urea.
Diphenylurea is a colorless prismatic crystal with molecular formula C 13 H 12 N 2 O is an important organic intermediate, can be used for synthesizing herbicides and insecticides, preparing sulfonamides and synthesizing an intermediate of isocyanate by a non-phosgene method; has physiological effect similar to that of cytokinin, and can promote plant growth and raise plant conductivity.
As an embodiment, the compound herbicidal composition further comprises a herbicidal active component B, wherein the herbicidal active component B is one or a combination of several other herbicides which do not have antagonism with the herbicidal active component a.
In order to solve the problem that resistant weeds are easy to appear in production and application of the refined glufosinate-ammonium, the physiological and biochemical effects of diphenylurea serving as a similar auxin in a plant body are achieved, the diphenylurea is matched with the component B and the refined glufosinate-ammonium for use, the diphenylurea is introduced into the weeding action link of the refined glufosinate-ammonium and the component B, so that the biological activity of the refined glufosinate-ammonium and the component B for killing weeds is improved, the weeding effect of the refined glufosinate-ammonium and the component B is improved, the unit dosage of the refined glufosinate-ammonium and the component B can be reduced, and the resistance of the weeds to the refined glufosinate-ammonium is relieved.
In one embodiment, the herbicidally active derivative of glufosinate-ammonium is one or more selected from glufosinate-ammonium salt, glufosinate-isopropylamine salt, glufosinate-potassium salt, glufosinate-ammonium sodium salt, glufosinate-dimethylammonium salt and glufosinate-trimethylsulfonium salt.
As an embodiment, the herbicidally active component B is selected from among acifluorfen, acrolein, imazapyr, asulam, benazolin, bentazon, bialaphos, herbicidal pyridine, bromoxynil, chloramben, chloroacetic acid, clopyralid, 2, 4-D butyric acid, thaumatom, dicamba, 2, 4-D propionic acid, difenzoquat, diquat, endothal, varroa, fenoxaprop, dicamba, fluoroelex, one or more of fluoroglycofen-ethyl, tetrafluoropropionic acid, fomesafen, glufosinate, glyphosate, imazalil, imazamox, imazalil, imazaquin, imazethapyr, ioxynil, 2-methyl-4-chloro, 2-methyl-4-chlorobutyric acid, 2-methyl-4-chloropropionic acid, pelargonic acid, paraquat, picloram, quinclorac, sulfamic acid, cumaroyl, trichloroacetic acid, triclopyr and herbicidally active derivatives thereof.
In one embodiment, the derivative of diphenyl urea includes one or both of N-3 chlorobenzene-N '-phenyl urea and N-4-nitrobenzene-N' -phenyl urea.
In one embodiment, the weight ratio of the herbicidal active component A, the component B and the auxin analogue is 1-80: 1-20: 0.05-6.4, preferably 1-80: 1-20: 0.05-3.2.
The invention provides a compound herbicide, which comprises the compound herbicide composition and an auxiliary agent according to any one of the above items.
As an embodiment, the formulation of the compound herbicide comprises but is not limited to soluble agent, aqueous emulsion, wettable powder, soluble granule, water dispersible granule, suspending agent, oil suspending agent, tablet or effervescent granule.
As an embodiment, the content of the compound herbicide composition is 2-80% of the mass of the compound herbicide, and preferably 10-65%.
As an embodiment, the adjuvant is one or a combination of surfactants, carriers or adjuvants.
As an embodiment, the surfactant is selected from alkyl glycoside, tallow amine auxiliary agent, calcium dodecylbenzene sulfonate, sodium dodecylsulfate, phenethyl phenol polyoxyethylene ether, phenethyl phenol polyoxypropylene ether, alkylphenol polyoxyethylene ether formaldehyde condensate, fatty alcohol polyoxyethylene ether, castor oil polyoxyethylene ether, tributyl phenol polyoxyethylene ether, phenethyl phenol polyoxyethylene ether formaldehyde condensate, alkylphenol polyoxyethylene ether phosphate, phenethyl phenol polyoxyethylene ether phosphate, polyoxyethylene ether sulfonate, dioctyl sodium sulfosuccinate, mono-bis-naphthalene sulfonate, bis-naphthalene sulfonate formaldehyde condensate, naphthalene sulfonate formaldehyde condensate sodium salt, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate or lignin sulfonate, sodium alkyl benzene sulfonate, alkyl naphthalene sulfonate condensate, sodium fatty alcohol sulfate, alkylphenol polyoxyethylene ether sulfate, sodium alkyl benzene sulfonate, sodium alkyl naphthalene sulfonate, sodium fatty alcohol sulfonate, sodium alkyl phenol polyoxyethylene ether sulfate, sodium alkyl benzene sulfonate, sodium alkyl naphthalene sulfonate condensate, sodium alkyl phenol polyoxyethylene ether sulfonate, sodium alkyl phenol polyoxyethylene ether, polyoxyethylene ether formaldehyde condensate, castor oil, and the like, One or more of sodium sulfate salt of alkylphenol polyoxyethylene condensate or sodium fatty alcohol polyoxyethylene ether succinate monoester sulfonate.
In one embodiment, the carrier or adjuvant is one or more selected from the group consisting of pottery clay, attapulgite powder, kaolin, activated clay, diatomaceous earth, light calcium carbonate, xanthan gum, polyvinyl alcohol, polyvinylpyrrolidone, carboxymethyl cellulose, methyl cellulose, carboxyethyl cellulose, gum arabic, sodium polyacrylate, fumed silica, magnesium aluminum silicate or organic bentonite, antifoaming agent, vegetable oil, and methyl oleate.
Compared with the prior art, the invention has the following advantages:
(1) according to the invention, through compounding the auxin analogue (such as diphenylurea) with the glufosinate-ammonium and the component B product, the auxin analogue is utilized to promote plant growth, enhance plant transpiration, improve the conduction effect of plant xylem on the glufosinate-ammonium in various environments, particularly low-temperature environments, achieve an obvious synergistic effect, shorten the acting time and reduce the using amount of the herbicide.
(2) Compared with the traditional single agent, the weeding composition has higher control effect by reasonable compounding, and reduces the dosage of effective components and the production cost.
(3) The invention does not contain organic solvent with larger pollution, has wide weed control spectrum, can achieve the same or better control effect when the dosage is reduced by more than 40 percent, and leads the weed control effective period to be advanced by 2 to 4 days.
(4) The weeding composition has the advantages of broad spectrum, high efficiency, low toxicity, low pollution, quick response, low cost and simple use and operation. Convenient for farmers to use and has higher cost performance.
(5) The weeding composition has better control effect on malignant weeds such as nutgrass flatsedge, crab grass, goosegrass herb, horseweed herb, green bristlegrass herb, acalypha australis and the like.
Detailed Description
The experimental procedures used in the following examples are all conventional procedures unless otherwise specified. Reagents, biomaterials, etc. used in the following examples are commercially available unless otherwise specified.
Example 1
Mixing refined glufosinate-ammonium with 2, 4-D sodium salt and diphenyl urea in proportion to obtain the effective component of refined glufosinate-ammonium (according to C) 5 H 15 N 2 O 4 P, CAS number 77182-82-2, molecular weight 198): 2, 4-Dimelsodium salt (according to C) 8 H 5 Cl 2 NaO 3 CAS number 2702-72-9, molecular weight 243.02): diphenylurea (in accordance with C) 13 H 12 N 2 O, CAS number 102-07-8, molecular weight212.25) is 80:0:0, 80:0:0.05, 80:0:0.1, 80:0:0.2, 80:0: 0.4, 80:0:0.8, 80:0:1.6, 80:0:3.2, 80:0:6.4, 80:20:0, 80:20:0.05, 80:20:0.1, 80:20:0.2, 80:20:0.4, 80:20:0.8, 80:20:1.6, 80:20:3.2, 80:20:6.4 and other 18 kinds of weeding compositions with the content of effective components are respectively prepared into soluble granules with the mass concentration of the glufosinate-ammonium being 50% (the additive amount is 5 percent and the effective components are alkyl glucoside), the weeding composition is used for preventing and treating wasteland lands according to the mass concentration of the glufosinate-ammonium being 40 g/mu and the liquid spraying amount being 40L/mu, 4 times of repetition is set, the area of a small area is 30 square meters, with clear water treatment as a control, the total control effect of the weeding composition of soluble granules with the mass concentration of the glufosinate-ammonium being 50% is counted after the weeding composition is treated for 10 days according to 40 g/mu of glufosinate-ammonium, and the specific results are shown in table 1.
TABLE 1
Comparing the control effect on weeds 10 days after the treatment methods in the table above, it can be found that:
it can be known from comparison treatment 1 and treatment 2-9 that, after adding diphenylurea, the control effect of the refined glufosinate-ammonium is obviously increased compared with the control effect of the refined glufosinate-ammonium treatment alone, wherein when the refined glufosinate-ammonium: when the ratio of diphenyl urea to diphenyl urea is 80: 0.05-3.2, the synergistic effect shows an increasing trend.
Comparing treatment 10 and treatment 11-18, it can be seen that diphenyl urea is further added on the basis of mixing refined glufosinate-ammonium with 2, 4-D sodium salt, and the plant control effect and fresh weight control effect are both remarkably increased compared with the treatment mode of mixing refined glufosinate-ammonium with 2, 4-D sodium salt, wherein when the refined glufosinate-ammonium: when the ratio of diphenyl urea to diphenyl urea is 80: 0.05-3.2, the synergistic effect shows an increasing trend.
Therefore, the mixed active ingredients of the refined glufosinate-ammonium and the diphenylurea are as follows, the ratio of the active ingredients is 80: 0.05-80: 3.2, the weed control effect can be improved, so that the using amount of the glufosinate-ammonium is reduced; mixing refined glufosinate-ammonium, 2, 4-D sodium salt and diphenyl urea, and mixing the effective components in a ratio of 80:20: 0.05-80: 20:3.2, the weeding effect on weeds can be improved, so that the using amount of the glufosinate-ammonium is reduced.
Example 2
Mixing refined glufosinate-ammonium sodium salt, dimethyl tetrachlorodimethylamine salt and N, N-dimethyl-N, N-diphenylurea in proportion to obtain refined glufosinate-ammonium (in accordance with C) 5 H 15 N 2 O 4 P, CAS number 77182-82-2, molecular weight 198): dichlorodimethylamine salt (per C) 11 H 16 ClNO 3 CAS number 2039-46-5, molecular weight 245.70) with N, N-dimethyl-N, N-diphenylurea (by C) 15 H 16 N 2 O, CAS number 611-92-7, molecular weight 240.3) is 60:0:0, 60:0:0.05, 60:0:0.1, 60:0:0.2, 60:0: 0.4, 60:0:0.8, 60:0:1.6, 60:0:3.2, 60:0:6.4, 60:20:0, 60:20:0.05, 60:20:0.1, 60:20:0.2, 60:20:0.4, 60:20:0.8, 60:20:1.6, 60:20:3.2, 60:20:6.4 and other 18 kinds of weeding compositions with the content of effective components are respectively prepared into soluble liquid with the mass concentration of the glufosinate-ammonium being 21% (the addition amount of the auxiliary agent is 12%, the effective components are dodecyl trimethyl ammonium chloride), the weight concentration of the glufosinate-ammonium is 40 g/mu, the liquid spraying amount is 40L/mu, the weeds are prevented and treated by 4 times of repetition, the area of a small area is 30 square meters, by taking clear water treatment as a control, the total control effect of the weeding composition which is 21% soluble agent in terms of the mass concentration of the glufosinate-ammonium is counted after the weeding composition is treated for 10 days according to 40 g/mu of glufosinate-ammonium, and the specific results are shown in table 2.
TABLE 2
Comparing the control effect on weeds 10 days after the treatment methods in the table above, it can be found that:
comparing treatment 1 with treatment 2-9, it can be seen that after adding N, N-dimethyl-N, N-diphenylurea, the control effect of the refined glufosinate-ammonium is significantly increased compared with the control effect of the refined glufosinate-ammonium treatment alone, wherein when the refined glufosinate-ammonium: when the diphenyl urea is 60: 0.05-3.2, the synergistic effect shows an increasing trend.
Comparing the treatment 10 and the treatments 11 to 18, it can be seen that, on the basis of the mixing of the refined glufosinate-ammonium and the methoxone salt, N-dimethyl-N, N-diphenylurea is further added, and the plant control effect and the fresh weight control effect are both significantly increased compared with the treatment mode of the mixing use of the refined glufosinate-ammonium and the methoxone salt, wherein when the refined glufosinate-ammonium: when the ratio of N, N-dimethyl-N, N-diphenylurea is 60: 0.05-3.2, the synergistic effect tends to increase.
Therefore, the mixed active ingredients of the refined glufosinate-ammonium and the N, N-dimethyl-N, N-diphenyl urea are mixed according to the ratio of the active ingredients of 60:20: 0.05-60: 20:3.2, the weed control effect can be improved, so that the using amount of the glufosinate-ammonium is reduced; mixing refined glufosinate-ammonium, methoxone dimethylamine salt and N, N-dimethyl-N, N-diphenylurea, and mixing the effective components according to the ratio of 60:20: 0.05-60: 20:3.2, the weeding effect on weeds can be improved, so that the using amount of the glufosinate-ammonium is reduced.
Example 3
Mixing refined glufosinate-ammonium, dimethyl tetrachlorodimethylamine salt and diphenylurea in proportion to obtain refined glufosinate-ammonium as effective component 5 H 15 N 2 O 4 P, CAS number 77182-82-2, molecular weight 198): dichlorodimethylamine salt (per C) 11 H 16 ClNO 3 CAS number 2039-46-5, molecular weight 245.70): diphenylurea (as C) 13 H 12 N 2 O, CAS number 102-07-8, molecular weight 212.25) at a weight ratio of 60:20:0, 60:20:0.05, 60:20:0.1, 60:20:0.2, 60:20:0.4, 60:20:0.8, 60:20:1.6, 60:20:3.2, 60:20:6.4, and the like, respectively prepared into soluble liquid with a glufosinate ammonium concentration of 21% (the addition amount of the additives is 12%, the active ingredients are dodecyl trimethyl ammonium chloride), and the weight concentration of glufosinate ammonium is 40 g/mu, the liquid spray amount is 40L/mu to control weeds in the wasteland, 4 times of repetition are set, and the surface area of a small area is covered with the active ingredients of dodecyl trimethyl ammonium chloride)The total control effect of the weeding composition which is 21% soluble agent in terms of the mass concentration of the refined glufosinate ammonium is counted according to the total control effect of weeds in the wasteland 10 days after the treatment of 40 g/mu of the refined glufosinate ammonium by accumulating 30 square meters and using clear water treatment as a comparison, and the specific results are shown in table 3.
TABLE 3
Comparing treatment 1 with treatment 6-13, it can be seen that after the glufosinate-ammonium is mixed with the methoxone salt, a small amount of diphenylurea is added, and the control effect on monocotyledonous weeds and dicotyledonous weeds is obviously improved.
As is clear from comparison of treatments 4, 6, 7 and 8, the amount of refined glufosinate-ammonium can be reduced by 40% or more and the same or more excellent control effect can be achieved by adding a small amount of diphenylurea (refined glufosinate-ammonium: dimethyltetrachlorodimethylamine salt: diphenylurea is 60:20:0.05, 60:20:0.1 and 60:20:0.2) after mixing refined glufosinate-ammonium with dimethyltetrachlorodimethylamine salt.
As can be seen from comparison of treatments 5, 11 and 12, after mixing refined glufosinate-ammonium with methochloramine, a small amount of diphenylurea was added (60: 20:1.6 and 60:20:3.2 for refined glufosinate-ammonium: methochloramine: diphenylurea), so that the amount of refined glufosinate-ammonium could be reduced by 50%, and the same or better control effect could be achieved.
Comparing treatment 1 with treatment 6-13, it can be seen that the weed control period is 2-4 days earlier after the refined glufosinate-ammonium is mixed with the methoxone salt and a small amount of diphenylurea is added.
Claims (10)
1. A compound weeding composition comprises a weeding active component A and an auxin analogue;
the weeding active component A is glufosinate-ammonium or weeding active derivatives thereof;
the auxin analogue is diphenyl urea or derivatives thereof, including but not limited to N, N-dimethyl-N, N-diphenyl urea and 3,4,4' -trichloro-sym-diphenyl urea.
2. The compound weeding composition according to claim 1, further comprising a herbicidal active component B, wherein the herbicidal active component B is one or a combination of several other herbicides that do not antagonize the herbicidal active component A.
3. The compounded herbicidal composition according to claim 1, wherein the herbicidally active derivative of glufosinate-ammonium is one or more selected from glufosinate-ammonium salt, glufosinate-ammonium isopropylamine salt, glufosinate-ammonium potassium salt, glufosinate-ammonium sodium salt, glufosinate-ammonium dimethyl ammonium salt and glufosinate-ammonium trimethyl sulfate salt.
4. The herbicidal composition according to claim 2, wherein the herbicidally active component B is selected from acifluorfen, acrolein, imazalil, asulam, benazolin, bentazon, bialaphos, pyribenzol, bromoxynil, mefenpyr, chloroacetic acid, clopyralid, 2, 4-D butyric acid, thapyr, dicamba, 2, 4-D propionic acid, difenzoquat, diquat, endothall, valacia, fenoxaprop, dicamba, fluoroelex, fluoroglycofen, fomesate, tetrafluoropropionic acid, fomesafen, phosphinylidine, glyphosate, imazalil, imazamethabenz, imazamox, imazapic acid, imazethapyr, ioxynil, 2-methyl-4-chlorobutyric acid, 2-methyl-4-chloropropionic acid, pelargonic acid, paraquat, picolinic acid, quinclorac, sulfamic acid, One or a plurality of combinations of the dicamba, the trichloroacetic acid, the triclopyr and the herbicidal active derivatives thereof.
5. The compound herbicidal composition as claimed in claim 1, wherein the derivative of diphenyl urea comprises one or two of N-3 chlorobenzene-N '-phenyl urea and N-4-nitrobenzene-N' -phenyl urea.
6. The compound weeding composition according to claim 2, wherein the weight ratio of the weeding active component A to the component B to the auxin analogue is 1-80: 1-20: 0.05-6.4, and preferably 1-80: 1-20: 0.05-3.2.
7. A built herbicide comprising the built herbicidal composition of any one of claims 1 to 6 and an adjuvant.
8. The compound herbicide as claimed in claim 7, wherein the formulation of the compound herbicide includes but is not limited to soluble agent, aqueous emulsion, wettable powder, soluble granule, water dispersible granule, suspending agent, oil suspending agent, tablet or effervescent granule.
9. The compound herbicide as claimed in claim 7 or 8, wherein the content of the compound herbicidal composition is 2-80% by weight of the compound herbicide, preferably 10-65% by weight of the compound herbicide.
10. The compound herbicide as claimed in claim 7, wherein the adjuvant is one or more of a surfactant, a carrier or an auxiliary material;
optionally, the surfactant is selected from alkyl glycoside, tallow amine auxiliary agent, calcium dodecylbenzene sulfonate, sodium dodecyl sulfate, phenethyl phenol polyoxyethylene ether, phenethyl phenol polyoxypropylene ether, alkylphenol polyoxyethylene ether formaldehyde condensate, fatty alcohol polyoxyethylene ether, castor oil polyoxyethylene ether, tributyl phenol polyoxyethylene ether, phenethyl phenol polyoxyethylene ether formaldehyde condensate, alkylphenol polyoxyethylene ether phosphate, phenethyl phenol polyoxyethylene ether phosphate, polyoxyethylene ether sulfonate, dioctyl sodium sulfosuccinate, mono-bis-naphthalene sulfonate, bis-naphthalene sulfonate formaldehyde condensate, naphthalene sulfonate formaldehyde condensate sodium salt, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate or lignosulfonate, sodium alkyl benzene sulfonate, alkyl naphthalene sulfonate condensate, fatty alcohol sodium sulfate, alkylphenol polyoxyethylene ether sodium sulfate, sodium dodecyl benzene sulfonate, calcium dodecyl benzene sulfonate, sodium dodecyl sulfate, phenethyl phenol polyoxyethylene ether, polyoxyethylene ether phosphate, polyoxyethylene ether sulfonate, sodium salt of sodium alkyl phenol polyoxyethylene ether, sodium alkyl naphthalene sulfonate condensate, sodium alkyl benzene sulfonate, alkyl naphthalene sulfonate condensate, fatty alcohol sodium sulfate, alkyl phenol polyoxyethylene ether sodium sulfate, sodium alkyl sulfonate, sodium alkyl phenol polyoxyethylene ether, and sodium alkyl sulfonate, One or more of sodium alkyl phenol polyoxyethylene ether condensate sulfate or sodium fatty alcohol polyoxyethylene ether succinic acid monoester sulfonate;
optionally, the carrier or adjuvant is selected from one or more of pottery clay, attapulgite powder, kaolin, activated clay, diatomite, light calcium carbonate, xanthan gum, polyvinyl alcohol, polyvinylpyrrolidone, carboxymethyl cellulose, methyl cellulose, carboxyethyl cellulose, gum arabic, sodium polyacrylate, gaseous silicon dioxide, magnesium aluminum silicate or organic bentonite, defoaming agent, vegetable oil and methyl oleate.
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| CN115281188A (en) * | 2022-09-13 | 2022-11-04 | 浙江新安化工集团股份有限公司 | Preparation method and application of suspending agent containing water-soluble herbicide |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074189A (en) * | 2018-05-02 | 2020-12-11 | 美国陶氏益农公司 | Compositions containing glufosinate salts and synthetic auxin herbicide salts |
| CN112741102A (en) * | 2020-12-30 | 2021-05-04 | 浙江新安化工集团股份有限公司 | Fine glufosinate-ammonium herbicide |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074189A (en) * | 2018-05-02 | 2020-12-11 | 美国陶氏益农公司 | Compositions containing glufosinate salts and synthetic auxin herbicide salts |
| CN112741102A (en) * | 2020-12-30 | 2021-05-04 | 浙江新安化工集团股份有限公司 | Fine glufosinate-ammonium herbicide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115281188A (en) * | 2022-09-13 | 2022-11-04 | 浙江新安化工集团股份有限公司 | Preparation method and application of suspending agent containing water-soluble herbicide |
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