CN103783069A - Phytocidal composition containing oxaziclomefone and fentrazamide - Google Patents
Phytocidal composition containing oxaziclomefone and fentrazamide Download PDFInfo
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- CN103783069A CN103783069A CN201310741952.4A CN201310741952A CN103783069A CN 103783069 A CN103783069 A CN 103783069A CN 201310741952 A CN201310741952 A CN 201310741952A CN 103783069 A CN103783069 A CN 103783069A
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- fentrazamide
- herbicidal combinations
- oxazine humulone
- oxazine
- humulone
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Abstract
The invention discloses a phytocidal composition containing oxaziclomefone and fentrazamide. The phytocidal composition comprises the following effective components: oxaziclomefone and fentrazamide, of which the weight ratio is (1-50):(50-1); the total weight of the effective components, namely oxaziclomefone and fentrazamide in the preparation accounts for 1-80% of total weight of the overall preparation; the balance is auxiliary ingredients allowed and accepted in the pesticide. The dosage forms of the phytocidal composition are as follows: missible oil, suspending agents, wettable powder, water dispersible granules, emulsion in water, microemulsion, granules, microcapsules and water aqua. The phytocidal composition is valid on annual weeds and kinds of broadleaf weeds, such as rice, wheat and the like.
Description
Technical field
The present invention relates to agriculture chemical compounding technical field, particularly relate to the Herbicidal combinations of a kind of Han You oxazine humulone and fentrazamide.
Background technology
Oxazine humulone is formulated by Mitsubishi oiling Co., Ltd., and the federation's joint development development that cooperates with Japanese agriculture is inner sucting conduction type herbicide for paddy field.Oxazine humulone is safe to transplanting rice, to paddy rice annual weed, efficient to barnyard grass especially, residual effect is long.It is very safe to Japanese lawn, efficient and residual effect is long to the annual gramineous weed before bud.
Fentrazamide is the carbamyl Tetrazoline series new herbicides of the initiative of Japanese Beyer Co., Ltd and exploitation.This medicament is effective to annual weed barnyard grass class and various broad leaved weed, and holding effect is long, and transplanting rice is had to very high safety.
Reasonably the composite or mixture of chemical herbicide has expansion herbicidal spectrum, improve control efficiency, extend the optimum period for applying fertilizer, reduce dosage, reduce poisoning, reduce residual, delay the positive feature such as drug-fast generation and development, mixture of herbicides or mixture are one of the effective methods the most addressing the above problem.We are on the basis of lab screening and field trial, and Shai Xuan Chu oxazine humulone and fentrazamide are composite, have obvious synergistic effect.And the Herbicidal combinations that Guan Yu oxazine humulone and fentrazamide are composite and application there is no at present people and reported.
Summary of the invention
Based on above situation, the object of the invention is to provide a kind of new and effective agricultural chemicals Herbicidal combinations.Effective to the annual weed such as paddy rice, wheat barnyard grass class and various broad leaved weed.
Technical scheme of the present invention realizes by following measures:
A kind of Herbicidal combinations, in this Herbicidal combinations, to imitate into the mass ratio of Fen oxazine humulone and fentrazamide be 1～50: 50～1 to You, described Herbicidal combinations of the present invention through the mass ratio of toxicity test experimental verification oxazine humulone and fentrazamide 1～20: 20～1 o'clock, synergistic effect was better.
The formulations of pesticide that described Herbicidal combinations of the present invention can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations.Oxazine humulone and the fentrazamide gross mass in preparation accounts for 1%～80% of the whole quality of the pharmaceutical preparations, while wherein accounting for 5%～50%, and toxicity and residually reach good balance, cost is also lower.
The specific embodiments of the formulations of pesticide that Herbicidal combinations of the present invention is mixed with is as follows:
Described Herbicidal combinations is cream preparation, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; 10～30 parts of conventional emulsifiers; 20～50 parts of conventional solvents; 1～5 part of conventional synergist.The concrete production stage of this cream preparation is first You to be imitated into Fen oxazine humulone and fentrazamide to add the oily liquids that becomes transparent and homogeneous after adding again emulsifier, synergist to stir after dissolving completely in solvent, filling, can be made into the cream preparation of the present composition.
Described Herbicidal combinations is suspending agent, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; 5～20 parts of dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; 0～10 part of penetrating agent; 0.1～5 part of pH value conditioning agent; Water, surplus.The concrete production stage of this suspending agent is for first mixing other auxiliary agents, mix through high speed shear, add You Xiao Cheng oxazine humulone and fentrazamide, abrading-ball 2～3 hours in ball crusher, make a diameter all below 5mm, can be made into the suspending agent preparation of the present composition.
Described Herbicidal combinations is wetting powder, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; ; 3～10 parts of dispersants; 1～5 part of wetting agent; Filler, surplus.The concrete production stage of this wetting powder is: by above-mentioned formula, You is imitated into Fen oxazine humulone and mix with fentrazamide and dispersant, wetting agent and filler, uniform stirring in stirred tank, after airslide disintegrating mill, mixing, can be made into the wetting powder of the present composition.
Described Herbicidal combinations is water dispersible granules, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; 3～10 parts of dispersants; 1～10 part of wetting agent; 1～5 part of disintegrant; Filler surplus.The concrete production stage of this water dispersible granules is: by above-mentioned formula, You is imitated into Fen oxazine humulone and mix with fentrazamide and dispersant, wetting agent, disintegrant and filler, pulverize with micro jet, through mediating, then add and in fluidized bed prilling dryer, carry out after granulation, dry, screening, through sample analysis, can be made into the water dispersible granules of the present composition.
Described Herbicidal combinations is aqueous emulsion, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; 3～30 parts of emulsifier; 5～15 parts of solvents; 2～15 parts of stabilizing agents; 1～5 part of antifreezing agent; 0.1～8 part of defoamer; 0.2～2 part of thickener; Water, surplus.The concrete production stage of this aqueous emulsion is: Shou Xian is added together oxazine humulone and fentrazamide, solvent and emulsifier, cosolvent, makes to be dissolved into uniform oil phase; By part water, antifreeze, other the insecticides adjuvant such as antimicrobial mixes into uniform water; When reactor high speed stirs, oil phase is added to water, slowly add water until reach phase inversion point, open clipper and carry out high speed shear, and add remaining water, shear about half an hour, form the aqueous emulsion of oil-in-water type, can be made into the aqueous emulsion of the present composition.
Described Herbicidal combinations is microemulsion, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; 10～30 parts of emulsifier, 1～8 part of antifreezing agent, 0.5～10 part of stabilizing agent, 20～50 parts of conventional solvent cosolvents.Oxazine humulone and fentrazamide are dissolved completely with cosolvent, then add other compositions such as emulsifier, antifreezing agent stabilizing agent, evenly mix, finally add water, after fully stirring, can be made into microemulsion.
Described Herbicidal combinations is granule, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; 1～10 part of wetting dispersing agent; 0.1～5 part of thickener; 0.1～5 part of defoamer; Castor oil, surplus is supplied.You is imitated into each components such as Fen oxazine humulone and fentrazamide, dispersant, stabilizing agent, defoamer and solvent and mixes in the ratio of formula, put into after the grinding of sand milling still, send in mixer for well-distribution and mix and get product.
Described Herbicidal combinations is microcapsule formulations, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; 5～20 parts, urea; 5～20 parts, formaldehyde; 5～20 parts of emulsifying dispersants; 1～5 part of antifreezing agent; 0.1～2 part of thickener; 0.1～0.8 part of defoamer; Water, surplus.In the there-necked flask that agitating device is housed, add urea and formaldehyde (amount of substance ratio is about l:1.5～2.0), with the left and right, pH value to 8～9 of sodium hydroxide solution regulator solution, then be warming up to 70～80 ℃, reaction obtains stable urea resin prepolymer.Get Yi quantitative oxazine humulone and fentrazamide and be dissolved in cyclohexane, and add emulsifying dispersant in solution, follow vigorous stirring, be made into the O/W type stable emulsion take the aqueous solution containing emulsifying dispersant as water.Above-mentioned urea resin prepolymer is added in emulsion, regulate pH value, polymerization reaction take place under acid catalysis condition, is wrapped oil phase substance, forms microcapsule granule.Slowly heat up, solidify, temperature is controlled at 40～50 ℃, hardening time 1h.Selection adds appropriate auxiliary agent, the microcapsules that gets final product stablely.
Described Herbicidal combinations is aqua, and the mass fraction of component is 1～50 part of: oxazine humulone; 1～50 part of fentrazamide; 0.1～30 part of wetting dispersing agent; 2～8 parts of antifreezing agents; 0.1～1 part of defoamer; 0.1～3 part of thickener; 5～15 parts of spreader-stickers; Water, surplus is supplied.You is imitated into Fen oxazine humulone and fentrazamide, dissolved completely with cosolvent, then add other compositions such as dispersant, antifreezing agent, defoamer, evenly mix, finally add water, after fully stirring, get final product to obtain finished product
Wherein above-described emulsifier is selected from calcium dodecyl benzene sulfonate and aliphatic acid polyethenoxy ether, alkylphenol polyoxyethylene sulfosuccinate, styrylphenol polyoxyethylene ether, polyoxyethylene nonylphenol ether, castor oil polyoxyethylene ether, aliphatic acid polyethenoxy base ester, any or more than one any mixtures than forming in polyoxyethylene aliphatic alcohol ether.
Described solvent is dimethylbenzene or biodiesel, toluene, diesel oil, methyl alcohol, ethanol, n-butanol, isopropyl alcohol, turpentine-based vegetable oil code name is ND-45, solvent naphtha, dimethyl formamide, dimethyl sulfoxide (DMSO), one or more in water equal solvent are arbitrarily than the mixture of composition.
It is LG-3, GY-D1252, GY-D1256, SNWGF-01 that described dispersant is selected from polycarboxylate code name, lignosulfonates code name is 201107,21108, alkylphenol polyoxyethylene methyl ether condensate sulfate, alkylsulfonate calcium salt, naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene, polyoxyethylene carboxylate, aliphatic amine polyoxyethylene ether, one or more in fatty acid glyceride APEO.
Described wetting agent is selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, Nekal BX, moistening bleeding agent F, alkylbenzenesulfonate polyoxyethylene triphen phosphenylic acid salt dimly, spaonin powder, silkworm excrement, one or more in soapberry powder.
Described disintegrant is selected from bentonite, urea, ammonium sulfate, aluminium chloride, citric acid, succinic acid, one or more in sodium bicarbonate.
Described thickener is selected from xanthans, carboxymethyl cellulose, carboxyethyl cellulose, methylcellulose, Magnesiumaluminumsilicate, in polyvinyl alcohol one or more.
Described stabilizing agent is selected from sodium citrate, the one in resorcinol.
Described antifreezing agent is selected from ethylene glycol, propane diols, one or more in glycerine.
Described defoamer is selected from silicone oil, silicone compound, C
10-20saturated fat acid compounds, C
8-10one or more of fatty alcohol.
Described filler is selected from kaolin, diatomite, bentonite, attapulgite, white carbon, starch, one or more in precipitated calcium carbonate.
The present invention has obvious synergistic effect take active ingredient as the complex weedicide of oxazine humulone and fentrazamide, delay the drug-fast generation in key, and reduced to become to produce cost and use cost, effective to the annual weed such as paddy rice, wheat barnyard grass class and various broad leaved weed.
Embodiment
For making technical scheme of the present invention, object and advantage are clearer, and the present invention describes with following specific embodiment, but the present invention is not limited to these examples.The mode that effect experiment of the present invention adopts indoor biometrics and field trial to combine, if no special instructions, the ratio of below mentioning is all ratio of quality and the number of copies.
The proportioning co-toxicity experiments different from fentrazamide of embodiment: oxazine humulone.
1.1 reagent agents:
The former medicine of 96% oxazine humulone, 96% the former medicine of fentrazamide, above-mentioned former medicine provides by research and development department of extra large rel medicine company limited company.
1.2 test targets:
Moleplant seed.
1.3 experimental procedures:
Adopt potted plant cauline leaf facture (NY/T1155.4-2006): at the in-built quantitative soil of polypots of high 6 ㎝, diameter 9 ㎝, to sow in polypots for examination target weed seed 15-20 grain, after covering the fine earth that 0.5-1 ㎝ is thick, be placed on cultivation in greenhouse, treat that weeds grow to the 2-4 leaf phase and carry out cauline leaf spraying processing, every alms bowl hydrojet 1mL, every processing repeats 4 times, and establishes the not contrast that is treated to containing medicament.After processing, examination is just placed in cultivation in the greenhouse in, and the growing state of routine observation target weeds is estimated target be injured symptom and growth inhibition situation, and claimed acrial part fresh weight or strain fresh weight, the toxicity action with form fresh weight inhibiting rate evaluation medicament to target weeds after 15d.
1.4 control times: test is processed and estimated target be injured symptom and growth inhibition situation after 15d, and claims acrial part fresh weight.
1.5 data statistics and analysis:
According to investigation statistics, calculate fresh weight inhibiting rate (%).
Fresh weight inhibiting rate P (%)=(contrast fresh weight-processing fresh weight)/processing fresh weight × 100%.
Synergy evaluation method:
Evaluate weed killer herbicide mode of application (NY/T1155.7-2006) according to Gowing method, its formula is as follows:
E
0＝X+Y-XY/100
In formula, the fresh weight inhibiting rate to target weeds when X Wei oxazine humulone is alone with certain dosage;
Y is fentrazamide fresh weight inhibiting rate to target weeds when alone with certain dosage;
E
0theoretical value to target weeds fresh weight inhibiting rate when Wei oxazine humulone and two kinds of pharmacy mix of fentrazamide;
Measured value to target weeds fresh weight inhibiting rate when E Wei oxazine humulone and two kinds of pharmacy mix of fentrazamide.
Evaluation criterion: work as E-E
0when > 10%, be expressed as synergistic effect, as-10% < E-E
0when < 10%, be expressed as summation action, work as E-E
0when <-10%, be expressed as antagonism.
The toxicity test result of two kinds of medicaments of 2.1 oxazine humulones and fentrazamide to moleplant seed
Table 1 be two kinds of medicaments of oxazine humulone and fentrazamide mix virulence measurement result
Virulence test example shows, imitates into when Fen oxazine humulone and fentrazamide ratio are 1:50～50:1 dilution and shows certain synergistic effect in You, and the synergistic effect that Qi Zhong oxazine humulone and fentrazamide are 1:20～20:1 is the most obvious.Result of the test shows, Xia indoor conditions, oxazine humulone and fentrazamide compound synergic effect are good, and suggestion is carried out further field control effectiveness test to suitable proportion 1:20～20:1 left and right mixture preparation, to evaluate its field practical application effect.
3, field control effectiveness test
3.1 field control effectiveness test eliminating weed in wheat fields
Test in proving ground, Wheat in Henan Province field, the consistent middle fertility of soil fertility, when test, humidity is moderate, and experimental field main weeds has clearvers, bromegrass etc., weeds are evenly distributed.Result of the test is as follows:
The composite field efficiency test of table 2 oxazine humulone and fentrazamide
Field experiment result shows that oxazine humulone fentrazamide is all better with the composite preventive effect to weeds such as wheat paddock grass family, part broadleaved herbs of 1:5 ratio, estimate according to field, within the scope of test dose, plant growth is normal, have no plant and produce poisoning and anomaly, illustrate that it is safe to wheat.
3.2 field control effectiveness tests are prevented and kill off paddy field weed
Test site is positioned at three bridge fore-and-aft gangway villages, Fu Chun street, Fuyang City, and rice varieties is that II is excellent 084, and pH value is 7.2, belongs to flat area, middle fertility, and experimental field main weeds has barnyard grass, moleplant seed etc., weeds are evenly distributed.Result of the test is as follows:
The composite field efficiency test of table 3 oxazine humulone and fentrazamide
Field experiment result shows that oxazine humulone fentrazamide is all better with the composite preventive effect to weeds such as paddy field grass family, part broadleaved herbs of 1:5 ratio, estimate according to field, within the scope of test dose, plant growth is normal, have no plant and produce poisoning and anomaly, illustrate that it is safe to paddy rice.
To sum up virulence and field experiment result verification, the Herbicidal combinations of Han You oxazine humulone of the present invention and fentrazamide, be mainly used in preventing and kill off barnyard grass class weeds, the part broad leaved weed of wheat paddock and paddy field, and to target crop safety, compared with single dose, Herbicidal combinations of the present invention has mechanism of action uniqueness, there is consumption few, weeding is general more extensive, and the lasting period is longer, more the obviously advantage such as environmental protection.So research and development of the present invention and popularization have great social effect and environment protection significance.
Claims (4)
1. a Herbicidal combinations, is characterized in that: the active ingredient of this Herbicidal combinations is oxazine humulone and fentrazamide binary built, and all the other are auxiliary element, and wherein having the mass ratio of imitating into point oxazine humulone and fentrazamide is 1～50: 50～1.
2. Herbicidal combinations according to claim 1, is characterized in that: oxazine humulone and the fentrazamide gross mass in preparation accounts for 1%～80% of the whole quality of the pharmaceutical preparations.
3. Herbicidal combinations according to claim 2, is characterized in that: oxazine humulone and the fentrazamide gross weight in preparation accounts for 5%～50% of the whole quality of the pharmaceutical preparations.
4. according to the Herbicidal combinations described in claim 1 or 2 or 3, it is characterized in that: the formulations of pesticide that this Herbicidal combinations can be prepared are missible oil, suspending agent, wetting powder, water dispersible granules, aqueous emulsion, microemulsion, granule, microcapsule formulations, aqua.
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| CN201310741952.4A CN103783069A (en) | 2013-12-30 | 2013-12-30 | Phytocidal composition containing oxaziclomefone and fentrazamide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857625A (en) * | 2017-04-07 | 2017-06-20 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and cafenstrole |
| CN106857562A (en) * | 2017-04-12 | 2017-06-20 | 安徽蓝田农业开发有限公司 | Herbicidal composition and the application of a kind of Han oxaziclomefones and oxadiargyl |
-
2013
- 2013-12-30 CN CN201310741952.4A patent/CN103783069A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857625A (en) * | 2017-04-07 | 2017-06-20 | 安徽蓝田农业开发有限公司 | Herbicidal composition and its application of a kind of Han oxaziclomefones and cafenstrole |
| CN106857562A (en) * | 2017-04-12 | 2017-06-20 | 安徽蓝田农业开发有限公司 | Herbicidal composition and the application of a kind of Han oxaziclomefones and oxadiargyl |
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