CN103749512B - A kind of containing flucarbazone with the Herbicidal combinations of Sulfonylurea - Google Patents
A kind of containing flucarbazone with the Herbicidal combinations of Sulfonylurea Download PDFInfo
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- CN103749512B CN103749512B CN201310739080.8A CN201310739080A CN103749512B CN 103749512 B CN103749512 B CN 103749512B CN 201310739080 A CN201310739080 A CN 201310739080A CN 103749512 B CN103749512 B CN 103749512B
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- sulfonylurea
- flucarbazone
- herbicidal combinations
- weed
- weeds
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Abstract
The invention discloses a kind of containing flucarbazone with the Herbicidal combinations of Sulfonylurea, its effective ingredient be the ratio of weight and number of flucarbazone and Sulfonylurea, flucarbazone and Sulfonylurea be 40:1～1:1.The Herbicidal combinations of the present invention has synergistic function to wheat paddock grassy weed and broad leaved weed, herbicidal effect is significantly improved compared with being used alone with single dose, expand weed control spectrum, reduce Pesticide use amount simultaneously, alleviate the pollution to environment, delayed the generation of herbicide resistance.
Description
Technical field
The present invention relates to pesticide Herbicidal combinations and application thereof, specifically a kind of with fluorine azoles sulphur
Grand and Sulfonylurea is the Herbicidal combinations of effective ingredient, is applied to wheat paddock grassy weed and wealthy
The preventing and treating of leaf weeds.
Background technology
Flucarbazone is sulfonylurea internal-suction type efficient wheat field herbicidal, to wild oat, Herba bromi japonici, sees
The grassy weeds such as wheat ma and part broad leaved weed have obvious preventive effect.Its effective ingredient can be by the root of weeds
Absorb with stem and leaf, by the activity of acetolactate synthestase in suppression weeds body, destroy weeds normal
Physiological and Biochemical Metabolism and play activity of weeding, and in Semen Tritici aestivi body can quickly metabolism, Semen Tritici aestivi is had pole
Good safety.
Sulfonylurea is the highy potent herbicide yellow ureide derivative compound being carried out structural modification and obtaining,
There is the features such as broad weed-killing spectrum, dosage be low.It is mainly used in preventing and kill off winter wheat and spring wheat is most of wealthy
Leaf weeds and part grassy weed, to succession crop safety.
By the screening of different pesticide species compounded formulas, filter out rational formula, can be effectively improved
Actual prevention effect to disease pest and weed, expanding prevention is composed, and reduces dosage, reduces cost, alleviates
Pollution to environment, delays the drug-fast generation of disease pest and weed, is agriculturally disease pest and weed comprehensive control
Important means.
The compounding use of flucarbazone and Sulfonylurea is conducted in-depth research by the present inventor, greatly
On the basis of the formula indoor screening of amount and field medicine effect test, find flucarbazone and Sulfonylurea
Compound, in the range of certain compound proportion, wheat weeds is shown obvious Synergistic and makees
With, after further study, complete the present invention.
The most not yet find the relevant report that flucarbazone is compounding with Sulfonylurea.
Summary of the invention
It is an object of the invention to provide one to there is synergistic function, expansion weed control spectrum, use into
The wheat paddock Herbicidal combination that effective ingredient is flucarbazone and Sulfonylurea that this is low, prevention effect is good
Thing.
The technical scheme realizing the object of the invention is: a kind of removing containing flucarbazone and Sulfonylurea
Grass compositions, effective ingredient is flucarbazone and Sulfonylurea, flucarbazone and Sulfonylurea
Ratio of weight and number is 40:1～1:1, flucarbazone and the Sulfonylurea gross weight in Herbicidal combinations
Amount percentage composition is 1%～85%, and remaining is to allow in pesticide to use and acceptable auxiliary element.
The Herbicidal combinations of the present invention with known method be prepared as be suitable for agriculturally use any one
Planting dosage form, reasonable dosage form has wettable powder, water dispersible granules, oil-suspending agent.Of the present invention group
The processing technique of the various preparation of compound is prior art, can be varied from according to different situations.
In Herbicidal combinations of the present invention use auxiliary agent include solvent, emulsifying agent, wetting agent, stabilizer,
Dispersant, thickening agent, pH adjusting agent, defoamer, antifreezing agent, packing agent etc. are of value to effective ingredient
Stablize and play the known substance of drug effect in the formulation, be all conventional in pesticidal preparations or permission use
Various compositions, concrete composition and consumption are determined by test according to recipe requirements.
Product described in the invention can provide with the form of finished product preparation, and i.e. in compositions, each material has been
Blended, the composition of compositions can also the form of single dose provide, directly mixed in tank or bucket before using
Close, be then diluted to required concentration.The frequency of administration of the present composition and amount of application are with weather
Situation and weeds situation change and change, and can reach, by using suitable dosage, the purpose prevented and kill off.
The Herbicidal combinations of the present invention is applicable to prevent and kill off farmland weed, especially wheat paddock grassy weed
And broad leaved weed.
The Herbicidal combinations that the present invention provides, generally uses the method for spraying to use, it is also possible to according to need
Use other use technology agriculturally applied.
Compared with prior art, it is an advantage of the current invention that:
1, flucarbazone and Sulfonylurea compounding have synergistic function, individually make than single dose
With significantly improving the prevention effect to weeds, expanding weed control spectrum, a drug just can solve big portion
Divide cornfield gramineae weed and broad leaved weed.
2, flucarbazone and two kinds of effective ingredient of Sulfonylurea compound, and decrease Pesticide use amount,
Reduce use cost, alleviate the pollution to environment, delayed the generation of herbicide resistance, increase
Service life of pesticide.
Detailed description of the invention
In order to be more fully understood that the essence of the present invention, below in conjunction with embodiment present disclosure made into
One step explanation, but limitation of the present invention can not be considered as.
(1) Formulation Example
In following examples, effective ingredient uses the 95% former medicine of flucarbazone and 96% Sulfonylurea former
Medicine, each component percentages is weight percentage.
Embodiment 1:70% flucarbazone Sulfonylurea water dispersible granules
Flucarbazone 60%, Sulfonylurea 10%, sodium lauryl sulphate 5%, fatty acid ester sulphuric acid
Salt 5%, sodium chloride 2%, Kaolin supplies 100%.By above-mentioned effective ingredient, dispersant, wetting agent,
Disintegrating agent and solid carrier mix homogeneously, pulverize with micro jet, through mediating, is subsequently adding
Fluidized-bed granulation dryer carries out pelletize, dry, screening, can be prepared by 70% flucarbazone first
Sulfur Sulfometuron Methyl water dispersible granules.
Embodiment 2:80% flucarbazone Sulfonylurea wettable powder
Flucarbazone 75%, Sulfonylurea 5%, sodium butylnaphthalenesulfonate 5%, alkylphenol polyoxyethylene
Formaldehyde condensation products 3%, kieselguhr supplies 100%.By above-mentioned by effective ingredient, dispersant, wetting agent
Mix with solid carrier, again through comminution by gas stream, mix homogeneously after mechanical activation comminution, can be prepared by 80% fluorine
Azoles sulphur grand Sulfonylurea wettable powder.
Embodiment 3:30% flucarbazone Sulfonylurea oil-suspending agent
Flucarbazone 28%, Sulfonylurea 2%, alkylphenol polyoxyethylene sulfate 10%, 12
Sodium alkyl benzene sulfonate 10%, xanthan gum 0.5%, methyl oleate supplies 100%.By above-mentioned effective ingredient and
Auxiliary agent disperses through high speed shear, in sand mill after sand milling, the high dispersive that formed in non-water-medium,
Stable suspension system, can be prepared by 30% flucarbazone Sulfonylurea oil-suspending agent.
(2) indoor biological determination of activity and field efficacy checking embodiment
Embodiment 4: indoor to weeds of flucarbazone stem and leaf spraying treatment mixed with Sulfonylurea
Cooperation determination test.
1.1 for examination target: wild oat (Avena fatua L.), Herba Galii Teneri (Galium aparine
L.var.tenerum (Gren.et Godr.) Rcbb.) field collection Seed storage.
1.2 test medicines: the former medicine of flucarbazone 95%, the former medicine of Sulfonylurea 96%.
1.3 medicaments configuration designs: flucarbazone single dose is configured to 4,12,20g a.i./ha solution standby
With；Sulfonylurea single dose is configured to 0.8,1.2,1.6g a.i./ha solution for standby；Fluorine azoles sulphur
Grand and Sulfonylurea mixture be configured to 4+0.8,4+1.2,4+1.6,12+0.8,12+1.2,12+1.6,
20+0.8,20+1.2,20+1.6g a.i./ha solution for standby.
1.4 test methods: the built-in quantitative soil of porcelain alms bowl at high 6cm, diameter 9cm, by target weeds
Seed 15～20 sowings, in porcelain alms bowl, are placed on temperature indoor cultivation, treat after the fine earth of lid 0.5～1cm
Target weeds length, to 2～4 leaf phases, carries out stem and leaf spraying treatment, and every porcelain alms bowl quantitatively sprays 1ml, often processes
Repeat for 4 times, and set process without medicament for comparison, try material after process and be placed in temperature indoor cultivation, determine
Phase observes the growing state of target weeds, estimates target damage symptoms and growth inhibited situation after 15d,
And claim aerial parts fresh weight, evaluate the medicament toxicity action to target weeds with target fresh weight inhibition.
1.5 investigation methods:
Test estimates target damage symptoms and growth inhibited situation after processing 15d, and claims aerial parts fresh
Weight, calculates fresh weight inhibition (%).
1.6 synergy evaluation methodologys
Evaluating herbicide associated form (NY/T1155.7-2006) according to Gowing method, its formula is such as
Under:
E0X Y XY/100
In formula, X is flucarbazone with certain dosage fresh weight inhibition to target weeds time alone；Y is first sulfur
Sulfometuron Methyl is with certain dosage fresh weight inhibition to target weeds time alone；E0Phonetic for flucarbazone, first sulfur
Theoretical value to target weeds fresh weight inhibition during the grand two kinds of pharmacy mix of sulphur；E is flucarbazone, first
Measured value to target weeds fresh weight inhibition during two kinds of pharmacy mix of sulfur Sulfometuron Methyl.
Evaluation criterion: as E E0During ＞ 10%, it is expressed as potentiation；As 10%≤E-E0≤10%
Time, show as summation action；As E E0During ＜ 10%, show as antagonism.
1.7 data statistic analysis:
All test datas all use DPS v14.10 statistical software to be analyzed.
1.8 results and analysis:
As it can be seen from table 1 flucarbazone and Sulfonylurea respectively with effective ingredient 4+0.8,
4+1.2,4+1.6,12+0.8,12+1.2,12+1.6,20+0.8,20+1.2,20+1.6's
Ratio mixture stem and leaf spraying treatment, the E-E to wild oat0(%) value be respectively 13.21,13.42,
16.10,12.06,14.88,16.48,11.86,13.39,12.10, it is all higher than 10%, explanation
Wild oat is all shown synergistic function；E-E to Herba Galii Teneri0(%) value be respectively 14.25,
12.22,13.49,17.55,18.95,13.43,13.45,15.33,10.89, it is all higher than 10%,
Illustrate Herba Galii Teneri is all shown synergistic function, it is seen that flucarbazone and the compounding tool of Sulfonylurea
There are reasonability and feasibility.
Table 1, flucarbazone stem and leaf spraying treatment mixed with Sulfonylurea measures knot to the synergy of weeds
Really.
Embodiment 5: the field control effectiveness test to weeds of wheat
Test and Selection amur foxtail, wild oat, Herba Galii Teneri and Herba veronicae occur more wheat paddock to carry out.
Test sets 4 process altogether, often processes and sets 3 repetitions, and processing 1 is that 30% flucarbazone first sulfur is phonetic
The grand oil-suspending agent of sulphur, processing 2 is 70% flucarbazone water dispersible granules, and processing 3 is that 10% first sulfur is phonetic
The grand wettable powder of sulphur, with not dispenser not weeding for comparison, adds up each process number of weeds amount also after 30 days
Calculating preventive effect, result of the test is shown in Table 2.
Table 2, the 30% flucarbazone Sulfonylurea oil-suspending agent test of pesticide effectiveness result to weeds of wheat.
As can be seen from Table 2,30% flucarbazone Sulfonylurea oil-suspending agent is to amur foxtail, open country
The preventive effect of Herba bromi japonici, Herba Galii Teneri and Herba veronicae will be apparently higher than 70% flucarbazone water dispersible granules and 10%
Sulfonylurea wettable powder is used alone, and after medicine, the preventive effect of 30 days, still more than 90%, is said simultaneously
This compound drug bright has the good lasting period, does not finds this compound drug pair during test survey
Semen Tritici aestivi produces poisoning.As can be seen here, the Herbicidal combinations of the present invention is worth in agricultural production popularization to be answered
With.
Claims (3)
1. one kind contain flucarbazone and the Herbicidal combinations of Sulfonylurea, it is characterised in that: effective ingredient be the ratio of weight and number of flucarbazone and Sulfonylurea, flucarbazone and Sulfonylurea be 6:1、15:1 or 14:1, flucarbazone and the Sulfonylurea gross weight percentage composition in Herbicidal combinations is 1%～85%.
It is the most according to claim 1 a kind of containing flucarbazone with the Herbicidal combinations of Sulfonylurea, it is characterised in that: the dosage form of described Herbicidal combinations is the one in wettable powder, water dispersible granules, oil-suspending agent.
3. a kind of described in claim 1 is containing flucarbazone with the Herbicidal combinations of Sulfonylurea, in the application prevented and kill off on wheat paddock grassy weed and broad leaved weed.
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