CN109757506B - Trielement weeding composition containing trifloxysulfuron sodium salt - Google Patents
Trielement weeding composition containing trifloxysulfuron sodium salt Download PDFInfo
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- CN109757506B CN109757506B CN201910139606.6A CN201910139606A CN109757506B CN 109757506 B CN109757506 B CN 109757506B CN 201910139606 A CN201910139606 A CN 201910139606A CN 109757506 B CN109757506 B CN 109757506B
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- saflufenacil
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Abstract
The invention belongs to the field of pesticide compositions, and particularly provides a trifloxysulfuron sodium-containing ternary weeding composition and application thereof, wherein active ingredients comprise trifloxysulfuron sodium, pyraclonil and saflufenacil; the weight ratio of the trifloxysulfuron sodium salt to the pyrazosulfuron-ethyl to the saflufenacil is 0.1-5:1-20: 0.5-10; the trifloxysulfuron sodium salt ternary weeding composition is used for preventing and removing farmland weeds, and is particularly used for gramineae, broad leaves and sedge weeds.
Description
Technical Field
The invention belongs to the field of pesticide compositions, and particularly relates to a trifloxysulfuron sodium-containing ternary weeding composition and application thereof.
Background
The trifloxysulfuron sodium salt is a novel sulfonylurea acetolactate synthase inhibitor developed by Swiss Xiongzheng crop protection Limited company, can conduct in two directions in the bodies of weeds, inhibits the synthesis of branched chain amino acid in plants, stops the growth of sensitive weeds, causes the veins to lose green and die, and has special effect on cyperus rotundus. In order to expand the weed control range and the drug effect of the trifloxysulfuron sodium salt, a herbicide which can be mixed with the trifloxysulfuron sodium salt for use is required to be found.
Pyraclonil is a protoporphyrinogen oxidase inhibitor having a pyrazolopyridine ring structure, which is found by pioneer company of germany (now bayer), and when protoporphyrinogen oxidase activity is inhibited, protoporphyrinogen cannot be oxidized to protoporphyrin, and chlorophyll synthesis is hindered, resulting in plant death. The pyraclonil can be absorbed by plant roots and stems, has wide weed control spectrum, is safe to rice and environment, has moderate residual effect period, and has no influence on succeeding crops. The pyraclonil has high activity on cockspur grass, monochoria japonica, stranguria, edible tulip, Chinese iris, felt of boehmeria, water chestnut and other weeds, and can effectively prevent and kill weeds with drug resistance to sulfonylurea herbicide
Saflufenacil is a novel pyrimidinedione (uracil) herbicide, and can effectively control a great number of broadleaf weeds including glyphosate-resistant and ALS inhibitor weeds by inhibiting protoporphyrinogen oxidase.
The herbicide is used alone for a long time, so that the weeding spectrum is narrow, the biological activity is low, and the drug resistance of weeds can be caused; the compounding of the herbicides can solve the problems of high toxicity and poor effect of a single pesticide, and the interactive use of different pesticides can delay the generation of drug resistance of an agent, so that the herbicide has an ideal use effect, and the compounding of the pesticides with different action mechanisms is a research hotspot in the field of pesticides at present.
Disclosure of Invention
The invention aims to provide a herbicide composition which has reasonable components, low application cost and difficult drug resistance, has better control effect on grassy weeds, broadleaf weeds and nutgrass flatsedge, and has positive effects on the aspects of retarding the resistance of the weeds, reducing the dosage of the drugs and the like.
The present invention provides the following technical solutions
A ternary weeding composition containing trifloxysulfuron sodium salt comprises active ingredients of trifloxysulfuron sodium salt, pyraclonil and saflufenacil; the weight ratio of the trifloxysulfuron sodium salt to the pyrazosulfuron-ethyl to the saflufenacil is 0.1-5:1-20: 0.5-10.
The ternary weeding composition is characterized in that: the weight ratio of the trifloxysulfuron sodium salt to the pyrazosulfuron-ethyl to the saflufenacil is 0.1-1:1-7: 0.5-1.5; the preferred weight ratio of the trifloxysulfuron sodium salt to the pyrazosulfuron-ethyl and the saflufenacil is 0.5:7: 1.
The ternary weeding composition comprises 1-80% of trifloxysulfuron sodium salt, pyraclonil and saflufenacil in percentage by weight.
The ternary weeding composition comprises 15-60% of trifloxysulfuron sodium salt, pyraclonil and saflufenacil in percentage by weight.
The ternary weeding composition is used for preventing and removing farmland weeds; preferably said weeds are grasses and broadleaf weeds and sedges. The weeds comprise barnyard grass, monochoria japonica, stranguria, monochoria vaginalis, cyperus rotundus, sedge, purslane, amaranthus retroflexus and the like.
The composition can be combined with agriculturally acceptable auxiliaries to prepare an adaptive dosage form, and preferably wettable powder, missible oil, suspending agent, oil suspending agent, microemulsion, emulsion in water, suspension emulsion, water dispersible granules and the like. The auxiliary agent comprises an emulsifier, a dispersant, a wetting agent, a binder, a disintegrating agent, a thickening agent, a stabilizer, an antifreezing agent, a defoaming agent filler and the like.
The invention has the following beneficial technical effects:
the composition can effectively reduce the generation of drug resistance of weeds and expand the weed control spectrum; can be used for preventing and treating gramineous weed, broad leaf and sedge weed. The weeding composition has obvious synergistic effect, can effectively reduce the application dosage of active ingredients, reduces environmental pollution, and is safe to crops.
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 indoor toxicity of the weeding composition to the Potentilla chinensis.
The test method comprises the following steps: the test is carried out under the greenhouse condition, a certain amount of soil is filled in a pot with the diameter of 13cm, the seeds which are accelerated to sprout are sown in a flowerpot to ensure that 20 seeds are planted in each pot, 10 weeds are reserved in each pot when the weeds grow to the leaf stage with the proper age and are treated as stem leaves, and the stem leaves are sprayed after the water is sprayed and the leaves are dried. Each treatment was repeated 4 times. And (4) continuously culturing under a greenhouse condition after the medicament is treated, weighing the fresh weight of the overground part 15 days after the treatment, and calculating the fresh weight control effect. Fresh weight inhibition/%, [ (fresh weight of control weed-fresh weight of treated weed)/fresh weight of control weed ] × 100.
The type of combined herbicidal action was judged. The theoretical control effect (E0) after mixing is E0 ═ X + Y (100-X)/100, and X, Y in the formula is the measured control effect (%) of each of the two single agents. The actual control effect after mixing is represented by E. Evaluation criteria: when E-E0 > 10%, a synergistic effect is indicated; when the content of E-E0 is more than or equal to-10% and less than or equal to 10%, the additive effect is shown; antagonism is indicated when E-E0 < -10%.
TABLE 1 indoor toxicity assay for trifloxysulfuron sodium salt, pyraclonil and saflufenacil by pairwise pairing
As can be seen from the above table, when the weight ratio of the trifloxysulfuron sodium salt to the pyrazosulfuron-ethyl to the saflufenacil is 0.1-1:1-7:0.5-1.5, the compound has a synergistic effect on the long-noded lordosis, and the E-E0 is more than 10%; particularly, when the weight ratio of the trifloxysulfuron sodium salt to the pyraclonil to the saflufenacil is 0.5:7:1, the synergistic effect of the composition is remarkable.
Example 2: 16% trifloxysulfuron sodium salt, pyraclonil and saflufenacil suspending agent
Example 3: 34% trifloxysulfuron sodium salt, pyraclonil and saflufenacil wettable powder
Example 4: 55% trifloxysulfuron sodium salt, pyraclonil and saflufenacil water dispersible granule
Example 5: the weeding composition has the effect of preventing weeds in fields.
Test subjects: the field weeds mainly comprise barnyard grass, monochoria japonica, stranguria, monochoria vaginalis, cyperus rotundus, sedge, purslane, amaranthus retroflexus and the like. The test method comprises the following steps: the area of each cell is 25m2, each treatment is repeated for 3 times, 5 medicaments and control are randomly arranged in groups, and a knapsack electric sprayer is used for uniformly spraying stems and leaves, wherein the spraying dosage is 30L/667m 2. Spraying for 1 time, investigating fresh weight control effect after 20 days, and comparing the weeding activity of various medicaments. Control effect (%) - (fresh weight of weeds in clear water control group-fresh weight of weeds in treated group)/fresh weight of weeds in clear water group ] 100%.
TABLE 2 herbicidal compositions against weeds
From the above table, the compound application of the trifloxysulfuron sodium salt, the pyraclonil and the saflufenacil can obviously improve the control effect of the trifloxysulfuron sodium salt, the pyraclonil and the saflufenacil on farmland weeds, has obvious synergistic effect, can effectively reduce the application dosage of pesticides, reduces environmental pollution and is safe to crops.
The above description is only a preferred embodiment of the present invention, and it is obvious to those skilled in the art that modifications may be made without departing from the scope of the present invention, and such modifications are also within the scope of the present invention.
Claims (7)
1. A ternary weeding composition containing trifloxysulfuron sodium salt is characterized in that: the active ingredients consist of trifloxysulfuron sodium salt, pyraclonil and saflufenacil; the weight ratio of the trifloxysulfuron sodium salt to the pyrazosulfuron-ethyl to the saflufenacil is 0.1-5:1-20: 0.5-10.
2. The ternary herbicidal composition according to claim 1, characterized in that: the weight ratio of the trifloxysulfuron sodium salt to the pyrazosulfuron-ethyl to the saflufenacil is 0.1-1:1-7: 0.5-1.5.
3. The ternary herbicidal composition according to claim 2, characterized in that: the weight ratio of the trifloxysulfuron sodium salt to the pyrazosulfuron-ethyl to the saflufenacil is 0.5:7: 1.
4. The ternary herbicidal composition according to any one of claims 1 to 3, characterized in that: the total weight percentage of the trifloxysulfuron sodium salt, the pyraclonil and the saflufenacil in the composition is 1-80%.
5. The ternary herbicidal composition according to claim 4, characterized in that: the total weight percentage of the trifloxysulfuron sodium salt, the pyraclonil and the saflufenacil in the composition is 15-60%.
6. The ternary herbicidal composition according to claim 5, characterized in that: the composition can be one of wettable powder, suspending agent, microemulsion, aqueous emulsion and water dispersible granule.
7. Use of the ternary herbicidal composition according to claim 1 for controlling the field weed, Podostachys fruticosa.
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| CN201910139606.6A CN109757506B (en) | 2019-02-25 | 2019-02-25 | Trielement weeding composition containing trifloxysulfuron sodium salt |
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| CN109757506B true CN109757506B (en) | 2020-08-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017009061A1 (en) * | 2015-07-10 | 2017-01-19 | BASF Agro B.V. | Herbicidal composition comprising cinmethylin and saflufenacil |
| CN106857609A (en) * | 2017-02-27 | 2017-06-20 | 南京华洲药业有限公司 | A kind of Herbicidal combinations and its application containing pyraclonil and ethoxysulfuron |
| CN106889094A (en) * | 2017-02-27 | 2017-06-27 | 南京华洲药业有限公司 | A kind of Herbicidal combinations and its application containing pyraclonil and pyrazosulfuron |
| CN107047592A (en) * | 2017-02-27 | 2017-08-18 | 南京华洲药业有限公司 | A kind of Herbicidal combinations and its application containing pyraclonil and bensulfuron-methyl |
| CN106857576A (en) * | 2017-02-27 | 2017-06-20 | 南京华洲药业有限公司 | A kind of Herbicidal combinations and its application containing pyraclonil and mefenacet |
| CN106857575A (en) * | 2017-02-27 | 2017-06-20 | 南京华洲药业有限公司 | A kind of Herbicidal combinations and its application containing pyraclonil and butachlor |
| CN106818795A (en) * | 2017-02-27 | 2017-06-13 | 南京华洲药业有限公司 | A kind of Herbicidal combinations and its application containing pyraclonil and ethobenzanid |
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