CN110946143B - Weeding composition containing sulfentrazone and application thereof - Google Patents
Weeding composition containing sulfentrazone and application thereof Download PDFInfo
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- CN110946143B CN110946143B CN201911309839.2A CN201911309839A CN110946143B CN 110946143 B CN110946143 B CN 110946143B CN 201911309839 A CN201911309839 A CN 201911309839A CN 110946143 B CN110946143 B CN 110946143B
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- sulfentrazone
- quintocet
- mequintocet
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a herbicide composition containing sulfentrazone, which is characterized by containing sulfentrazone and methyl quintocet or quintocet, wherein the weight ratio of the sulfentrazone to the methyl quintocet or quintocet is 1:20-20: 1; can be used for preventing and removing weeds in sugarcane, soybean, tobacco, peanut and corn fields.
Description
Technical Field
The invention belongs to the field of pesticides, and particularly relates to a weeding composition containing sulfentrazone and mequintocet-mexyl or quintocet-mexyl and application thereof.
Background
Sulfentrazone, also known as topramezone and F6285, is a triazolinone herbicide developed by Meiguomi corporation, and can rapidly dry and die leaves by inhibiting cell membrane damage caused by protoporphyrin oxidase in the chlorophyll biosynthesis process. The sulfentrazone has a wide herbicidal spectrum, can prevent and kill annual broadleaf weeds, gramineae weeds and nutgrass flatsedge, has high effect on morning glory, quinoa, xanthium sibiricum, cyperus rotundus and the like which are difficult to prevent and kill at present [1], and is a novel preemergence or preemergence herbicide with high efficiency and low toxicity for crops such as big sugarcane and the like.
Quinclorac belongs to HPPD inhibitors, and can be used for preventing and removing annual weeds in sorghum fields, corn fields and wheat fields. The mequintocet-mexyl has similar framework to that of the quintocet-mexyl, the herbicidal spectrum is similar to that of the quintocet-mexyl, and the activity is higher. Clethodim and mequindox are known, and patent document CN104557739B reports clethodim and mequindox and their herbicidal activity. The structure of the clethodim and the methyl clethodim is as follows:
when R in the formula (1) 1 Is H, R 2 Is 2, 6-dimethylphenyl, R 3 Is CH 3 ，R 4 、R 5 、R 6 、R 7 And R 8 When both are H, the compound of formula (1) is clethodim; when R in the formula (1) 1 Is CH 3 ，R 2 Is 2, 6-dimethylphenyl, R 3 Is CH 3 ，R 4 、R 5 、R 6 、R 7 And R 8 And when the total amount of the compounds is H, the compound shown in the formula (1) is the mequintocet-mexyl.
The compounding of the pesticides can solve the problems of high toxicity and poor effect of a single pesticide, the investment is low, the research and development period is short, the current situation of domestic pesticide enterprises is suitable, the generation of drug resistance of an agent can be delayed by using different pesticides interactively, and the ideal use effect is achieved, so that the compounding of the pesticides with different action mechanisms is a research hotspot in the field of the pesticides at present. At present, no related literature report of mixed use of sulfentrazone and mequintocet or quintocet appears in the prior art.
Disclosure of Invention
The invention provides a herbicide composition with a synergistic effect. The composition has the characteristics of good weeding effect, reduction in the using amount and using times of chemical pesticides, difficulty in generating drug resistance and the like.
The present invention provides the following technical solutions
A herbicide composition containing sulfentrazone is characterized by containing sulfentrazone and methyl quintocet-mexyl or quintocet-mexyl, wherein the weight ratio of sulfentrazone to methyl quintocet-mexyl or quintocet-mexyl is 1:20-20: 1.
The herbicide composition is characterized in that the weight ratio of sulfentrazone to mequindox or quintocet is 1:10-20:1, and 1:1-20: 1. More preferably 10:1
The weeding composition is characterized in that: the total weight of the sulfentrazone and the mequintocet or the clethodim in the preparation accounts for 1 to 80 percent of the total mass of the preparation.
The weeding composition is characterized in that: the total weight of the sulfentrazone and the mequintocet or the clethodim in the preparation accounts for 5-60% of the total mass of the preparation.
The weeding composition is characterized in that: the dosage form of the weeding composition is suspending agent, dispersible oil suspending agent, water dispersible granule and wettable powder.
The weeding composition provided by the invention is used for preventing and controlling crop weeds. The crops are sugarcane, soybean, tobacco, peanut and corn; the weeds are annual weeds such as barnyard grass, green bristlegrass, amaranthus retroflexus, cyperus rotundus and the like.
Compared with the prior art, the invention has the following beneficial effects:
(1) the sulfentrazone and the mequintocet or the quintocet are mutually mixed without conflict, and the synergistic effect is obvious. (2) The usage amount of pesticide can be greatly reduced, the cost is reduced, the residual quantity of the pesticide on crops is reduced, and the environmental pollution is lightened; (3) the weeding spectrum is expanded, and the weeding composition has higher activity on various crop weeds.
Detailed Description
The following detailed description of specific embodiments of the present invention is provided in conjunction with examples, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Example 1: and (3) measuring the indoor toxicity of the composite of sulfentrazone and mequindox on green bristlegrass.
Test subjects: herba Setariae viridis.
The test method comprises the following steps: a greenhouse potting method. On the basis of indoor initial measurement, a series of concentration gradients are respectively set for sulfentrazone, mequindox and the composition. The indoor bioassay was carried out with water containing no drug, the same solvent and emulsifier as blank control. The treatment is repeated for 4 times every time, each treatment comprises 3 pots, 20 full and uniform seeds of the pre-pregermination weed are sown in each pot, soil spraying treatment is adopted after sowing for 24 hours (a crawler type crop spraying machine is adopted, the spraying pressure is 1.90kg/cm2, the spraying liquid amount is 450L/ha, and the crawler speed is 1.50km/h), and the fresh and heavy control effect of the overground part is investigated after 21 days.
Calculating the medicament ED50 value according to DPS software; calculating the virulence index and the cotoxicity coefficient (CTC) of the medicament according to the Sun Yunpei method. When the CTC is less than or equal to 80, the composition shows antagonism, when the CTC is more than 80 and less than 120, the composition shows additive action, and when the CTC is more than or equal to 120, the composition shows synergistic action.
Measured virulence index (ATI) ═ (standard agent ED 50/test agent ED50) × 100; theoretical virulence index (TTI) ═ a agent virulence index × percentage of a in the mixture + B agent virulence index × percentage of B in the mixture; co-toxicity coefficient (CTC) × 100 [ measured toxicity index (ATI) of the mixture)/Theoretical Toxicity Index (TTI) of the mixture ].
TABLE 1 indoor toxicity test results of sulfentrazone and mequintocet-mexyl compound on Setaria viridis
As can be seen from Table 1: when the weight ratio of the sulfentrazone to the mequintocet-mexyl is 1:1-20:1, the effect on green bristlegrass is enhanced; and when the ratio is 10:1, the CTC value exceeds 140, and the composition has a remarkable synergistic effect.
Example 2: indoor toxicity determination of the sulfentrazone and the mequintocet-mexyl compound amaranthus retroflexus.
The test subjects and test methods were the same as in example 1; the specific measurement results are as follows
TABLE 2 indoor toxicity test results of sulfentrazone and mequintocet-mexyl compound paired Amaranthus retroflexus
As can be seen from Table 2: when the weight ratio of the sulfentrazone to the mequintocet is 1:10-20:1, the composition has a remarkable synergistic effect on the Amaranthus retroflexus; and the CTC value is over 130 when the weight ratio of the sulfentrazone to the mequindox is 10: 1.
Example 3: and (3) measuring the indoor toxicity of the sulfentrazone and the clethodim compound on the green bristlegrass.
The test subjects and test methods were the same as in example 1; the specific measurement results are as follows
TABLE 3 indoor toxicity assay results of sulfentrazone and clethodim combined setaria viridis
As can be seen from Table 3: when the weight ratio of the sulfentrazone to the quintocet is 1:20-20:1, the composition has a remarkable synergistic effect on the green bristlegrass herb.
Example 4 formulations
33% sulfentrazone and mequindox wettable powder
30% of sulfentrazone, 3% of mequindox, 7% of sodium dodecyl benzene sulfonate, 3% of polycarboxylate, 4% of attapulgite and the balance of kaolin to 100%.
40% sulfentrazone and quintocet wettable powder
20% of sulfentrazone, 20% of clethodim, 10% of sodium dodecyl benzene sulfonate, 4% of sodium lignosulfonate, 5% of polycarboxylate, 3% of attapulgite and the balance of kaolin to 100%.
20% sulfentrazone and mequindox suspending agent
10% of sulfentrazone, 10% of methyl quinclomazone, 8% of fatty alcohol-polyoxyethylene ether, 4% of nonylphenol polyoxyethylene ether, 5% of sodium lignosulfonate, 2% of glycerol, 1% of xanthan gum, 2% of carboxymethyl cellulose, 1.5% of organic silicon and the balance of deionized water to 100%.
42% sulfentrazone and mequindox water dispersible granule
40% of sulfentrazone, 2% of mequindox, 4% of calcium lignosulphonate, 3% of nekal, 4% of polycarboxylate, 5% of corn starch, 4% of urea, 2% of white carbon black and bentonite, wherein the total content is 100%.
Example 4 field efficacy test
Test subjects: weeds in sugarcane field (barnyard grass, green bristlegrass, Amaranthus retroflexus and cyperus rotundus)
The test method comprises the following steps: and (5) carrying out soil spraying treatment, and investigating weed control effect 30 days after the application. And 3 survey points are arranged on the diagonal of each cell, and the total fresh weight control effect of the weeds is calculated at each point of 1m 2.
TABLE 4 field test of the herbicide effect of the compounded composition on weeds in sugarcane field
As can be seen from Table 4: the sulfentrazone and the mequintocet or the quintocet are mixed with each other to show higher control effect on crop weeds, and are safe to sugarcane crops in field observation.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (5)
1. The application of the herbicide composition containing sulfentrazone in preventing and treating green bristlegrass or amaranthus retroflexus is characterized in that the active ingredients are sulfentrazone and methyl quintocet, and the weight ratio of the sulfentrazone to the methyl quintocet is 1:1-10: 1.
2. Use according to claim 1, characterised in that the weight ratio of sulfentrazone to mequintocet is 10: 1.
3. Use according to any one of claims 1-2, characterized in that: the composition is prepared into a preparation acceptable to pesticides, and the total weight of the sulfentrazone and the mequintocet in the preparation accounts for 1-80% of the total mass of the preparation.
4. Use according to claim 3, characterized in that: the total weight of the sulfentrazone and the mequindox in the preparation accounts for 5-60% of the total mass of the preparation.
5. Use according to claim 3, characterized in that: the dosage form of the weeding composition is suspending agent, dispersible oil suspending agent, water dispersible granule and wettable powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911309839.2A CN110946143B (en) | 2019-12-18 | 2019-12-18 | Weeding composition containing sulfentrazone and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911309839.2A CN110946143B (en) | 2019-12-18 | 2019-12-18 | Weeding composition containing sulfentrazone and application thereof |
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| Publication Number | Publication Date |
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| CN110946143A CN110946143A (en) | 2020-04-03 |
| CN110946143B true CN110946143B (en) | 2022-08-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104557739B (en) * | 2013-10-25 | 2016-11-09 | 山东先达农化股份有限公司 | Triketone compound and preparation method and application thereof |
| CN109122694A (en) * | 2018-11-01 | 2019-01-04 | 山东省农业科学院植物保护研究所 | A kind of binary herbicidal composition and its preparation and the application of humulone containing quinoline and sulfentrazone |
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