CN105475306A - Weeding composition containing picloram and aquacide - Google Patents
Weeding composition containing picloram and aquacide Download PDFInfo
- Publication number
- CN105475306A CN105475306A CN201510969849.4A CN201510969849A CN105475306A CN 105475306 A CN105475306 A CN 105475306A CN 201510969849 A CN201510969849 A CN 201510969849A CN 105475306 A CN105475306 A CN 105475306A
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- CN
- China
- Prior art keywords
- picloram
- diquat
- herbicidal combinations
- aquacide
- weeding composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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 discloses a weeding composition containing picloram and aquacide, the weight part ratio of the picloram to the aquacide is (10:1) to (1:10); the weeding composition disclosed by the invention is used for preventing and removing non-arable weeds, compared with a single dose, the control efficiency is greatly improved, the dosage of a pesticide is lowered, the adverse effect of the pesticide to ecological environment is reduced, and the weeding composition has important significance to the integrated management of weed resistance, and has great economic and social benefits.
Description
Technical field
The present invention relates to a kind of Herbicidal combinations, is with picloram and diquat for active ingredient, for preventing and kill off uncultivated area weeds.
Background technology
Chemical method weeding is agriculturally one of Main Means controlling weeds.In recent years, because some weed killer herbicide kind large area are used alone, a lot of weeds have been caused to develop immunity to drugs.Simultaneously, grass when weeds occur is mutually complicated, not only annual and perennial weed is mixed raw, draft, liana and shrub have concurrently, and weeds emerge uneven, seed, low age, the staggered generation of weeds at advanced age, so when weed killer herbicide kind is used alone, defect in a certain respect and limitation all can be shown.
The acid of chlorine Fampridine is the pyridine shuttle acids new herbicides developed by Tao Nongke, is widely used in the weed control of mountain region, grassland, planting site and uncultivated area, and existing just studied Application and Development is in rape and cereal crop field management of weeds.This medicament has low toxicity, and without teratogenesis, mutagenesis, carcinogenic, Endocrine and reproduction have no side effect, and to features such as mankind's low toxicities.Metabolism is except producing CO
2do not find that other affects the product of soil and water quality outward.Low toxicity is to the acute and chronic toxicity of mammal, birds, fish, aquatic invertebrate.Code name GF-839 is first novel product that Tao Nongke is mainly used in over many years grassplot is developed, and is the acid of chlorine Fampridine and the composition of fluroxypyr.This medicament lasting period is long, can be used for preventing and kill off grassplot annual careless as Rheum obtusifolia Linn, curly dock, creeping thistle, gentle thistle, honor fiber crops, pasture Ye Maomo, dandelion and chickweed with perennial broadleaf, has fine selectivity simultaneously.
Diquat is generally used for conductivity and tags steriland herbicide, can rapidly by green plants tissue resorption, and lose activity very soon after contacting with soil for the weeding such as before land for growing field crops, orchard, uncultivated area, harvesting, the cauline leaf that also can be used as potato and pachyrhizus be urged withered.In the place that grassy weed is serious, result of use is better together with paraquat.
When picloram and the single use of diquat, all there are certain defect and limitation.
The mixture of the present inventor to picloram and diquat conducts in-depth research, on the basis of a large amount of formula indoor screening tests and field medicine effect test, find that picloram and diquat carry out mixture, within the scope of certain mixed ratio, obvious synergistic effect is shown to uncultivated area weeds, after further study, the present invention is completed.
Mixture and the application of picloram and diquat there is no report at present.
Summary of the invention
Technical problem to be solved: the object of the invention is to solve above-mentioned weed killer herbicide is actual use in deficiency, provide a kind of efficient, low toxicity, low cost, quick-acting are good, and the lasting period is long, is conducive to the Herbicidal combinations of the weeds comprehensive regulation.
Another object of the present invention is to provide this Herbicidal combinations to be applied to prevents and kill off uncultivated area weeds.
Technical scheme: for achieving the above object, the invention provides a kind of Herbicidal combinations being active ingredient with picloram and diquat, and the ratio of weight and number of picloram and diquat is 10:1 ~ 1:10.
Described Herbicidal combinations according to well known to a person skilled in the art method, can be mixed with the application forms of the applicable agricultural use such as aqua, suspending agent.
Described Herbicidal combinations is also containing the agriculturally acceptable insecticides adjuvant of preparation needed for pesticidal preparations, be selected from one or more in solvent, emulsifier, wetting agent, stabilizing agent, dispersant, bleeding agent, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, carrier, medium, surfactant, be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
The production technology of the various application forms of described Herbicidal combinations all belongs to existing known technology, does not repeat them here.
Herbicidal combinations provided by the invention, is applied to and prevents and kill off uncultivated area field annual weed.
Herbicidal combinations provided by the invention, usually adopts the method for directed spraying to use, also can adopt other operation techniques agriculturally applied as required.
Herbicidal combinations provided by the invention has following beneficial effect:
1, Herbicidal combinations provided by the invention, obvious synergistic effect is shown in certain ratio range, the control efficiency of composition is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease times for spraying, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.
2, Herbicidal combinations provided by the invention, the combination of two kinds of active ingredients, expands herbicidal spectrum, and a drug can solve various weed problem, compensate for defect when single dose uses and limitation.
3, Herbicidal combinations provided by the invention, two kinds of active ingredient mechanism of action are different, can overcome the shortcoming that long-term single use easily produces resistance, extend the service life of medicament, to the comprehensive regulation important in inhibiting of Weed Resistance.
4, Herbicidal combinations provided by the invention, drug effect plays rapidly, and the lasting period is long, and use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
In these embodiments, unless otherwise indicated, all percentage is all weight percentage.
Example of formulations one (60% picloram diquat suspending agent):
Above-mentioned formula is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 60% picloram diquat suspending agent of allotment after high shear mixing.
Example of formulations two: (60% picloram diquat aqua):
Under high velocity agitation, the obtained 60% picloram diquat aqua of mixing.
Assays Example one: picloram and diquat mixture measure the synergy of uncultivated area weeds.
For understanding picloram and diquat mixture further to the synergy of uncultivated area weeds, the present inventor has carried out formula indoor screening test to picloram and diquat mixture:
Test material:
Chickweed [Stellariamedia (L.) Cyrillus] (field collection Seed storage).
Barnyard grass [Echinochloacrusgalli (L.) BeawSetaria] (field collection Seed storage).
Test apparatus:
Controlled illumination box; The accurate laboratory spray tower of POTTER; Electronic balance (sensibility reciprocal 0.1mg); Micropipette rifle etc.
Test method:
The purity first taking certain mass is the former medicine of 95% picloram, purity is the former medicine of 96% diquat, adds the Tween-80 aqueous solution dilution that acetone fully dissolves rear use 0.1%, is mixed with single dose mother liquor respectively, arrange serial proportioning according to mixture object, each proportioning arranges 5 ~ 7 concentration gradients.Select representative susceptible weeds seed according to single dose herbicide spectrum, be cultured to 1 leaf 1 heart for subsequent use.By select numbering the process of weeds cauline leaf after, to be placed in illumination box incubated at room temperature 5 days, to calculate control efficiency (fresh weight), then with method of least squares calculate suppress in dense EC
50(95% confidence limit), then calculate co-toxicity coefficient (CTC) by the abundant method of Sun Yun.
Co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.
Actual measurement toxicity index (ATI)=(standard agent EC
50/ reagent agent EC
50) × 100.
Theoretical toxicity index (the TTI)=percentage composition of A (in the toxicity index × mixture of the A)+percentage composition of B (in the toxicity index × mixture of B).
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
Measurement result shows (see table 1 and table 2), and picloram and diquat, between mixed ratio 10:1 ~ 1:10, have obvious synergistic effect.
Table 1, different ratio picloram and diquat are to the synergy measurement result of barnyard grass
| Active ingredient proportioning | EC 50(μg/ml | ATI | TTI | Co-toxicity coefficient |
| Picloram | 6.24 | 100 | - | - |
| Diquat | 7.22 | 7.543 | - | - |
| Picloram: diquat (10:1) | 3.25 | 109.3 | 98.5 | 194.40 |
| Picloram: diquat (5:1) | 4.05 | 121.5 | 94.8 | 157.64 |
| Picloram: diquat (3:1) | 3.79 | 142.1 | 95.9 | 170.43 |
| Picloram: diquat (1:1) | 4.31 | 127.7 | 63.7 | 155.32 |
| Picloram: diquat (1:3) | 4.33 | 89.0 | 86.4 | 160.44 |
| Picloram: diquat (1:5) | 5.16 | 71.9 | 63.1 | 136.35 |
| Picloram: diquat (1:10) | 5.84 | 66.3 | 51.5 | 121.89 |
Table 2, different ratio picloram and diquat are to the synergy measurement result of chickweed
Assays Example two:
Picloram and diquat mixture composition for preventing and controlling uncultivated area weeds field control effectiveness test.
Reagent agent and dispenser dosage:
(1) 60% picloram diquat oil-suspending agent (50% picloram: 10% diquat), mu 80 grams, preparation (1#).
(2) 60% picloram diquat suspending agents (50% picloram: 10% diquat), mu 80 grams, preparation (2#).
Contrast medicament and dispenser dosage:
(3) 45% picloram oil-suspending agents, mu 100 grams, preparation (3#).
(4) 10% diquat missible oil, mu 80 grams, preparation (4#).
Dispenser period: the weeds 2-3 leaf phase, be watered even spraying.
Result of the test: in table 3.As can be seen from the test results: after dispenser 15 days, Herbicidal combinations of the present invention to total preventive effect of uncultivated area annual weed all more than 93.1%; After dispenser 30 days, total preventive effect was all more than 96.1%, and significantly better than the single dose of contrast, synergistic effect is remarkable, and expands herbicidal spectrum, and quick-acting and lasting period are obviously better than single dose.
Table 3, prevent and treat live uncultivated area field weed field control effectiveness test result
Claims (3)
1. contain a Herbicidal combinations for picloram and diquat, it is characterized in that: comprise two kinds of active ingredients: picloram and diquat; The ratio of weight and number of picloram and diquat is 10:1 ~ 1:10.
2. a kind of Herbicidal combinations containing picloram and diquat according to claim 1, is characterized in that: the formulation of described Herbicidal combinations is the one in aqua, suspending agent.
3. a kind of Herbicidal combinations containing picloram and diquat according to claim 1 is in the application of preventing and kill off uncultivated area weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969849.4A CN105475306A (en) | 2015-12-20 | 2015-12-20 | Weeding composition containing picloram and aquacide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969849.4A CN105475306A (en) | 2015-12-20 | 2015-12-20 | Weeding composition containing picloram and aquacide |
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| Publication Number | Publication Date |
|---|---|
| CN105475306A true CN105475306A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510969849.4A Pending CN105475306A (en) | 2015-12-20 | 2015-12-20 | Weeding composition containing picloram and aquacide |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110506748A (en) * | 2019-08-21 | 2019-11-29 | 中国农业科学院油料作物研究所 | It is a kind of to urge withered desiccant applied to sesame |
-
2015
- 2015-12-20 CN CN201510969849.4A patent/CN105475306A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110506748A (en) * | 2019-08-21 | 2019-11-29 | 中国农业科学院油料作物研究所 | It is a kind of to urge withered desiccant applied to sesame |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |
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| WD01 | Invention patent application deemed withdrawn after publication |