CN103027056A - Compound pesticide composition, application and preparation thereof - Google Patents
Compound pesticide composition, application and preparation thereof Download PDFInfo
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- CN103027056A CN103027056A CN2011103007244A CN201110300724A CN103027056A CN 103027056 A CN103027056 A CN 103027056A CN 2011103007244 A CN2011103007244 A CN 2011103007244A CN 201110300724 A CN201110300724 A CN 201110300724A CN 103027056 A CN103027056 A CN 103027056A
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Abstract
The invention discloses a compound pesticide composition, which contains N-benzoyl-N'-tert-butyl benzhydrazide and epimethylamino-4''-deoxyavermectin b1 benzoate. The invention further discloses application of the composite pesticide composition on prevention and treatment of crop lepidoptera pests comprising cnaphalocrocis medinalis, stem borer, cotton bollworm, plutella xylostella, beet armyworm and the like, and a compound pesticide based on the compound pesticide composition. The compound pesticide composition provided by the invention has a remarkable effect on the prevention and treatment of the lepidoptera pests, in particular to the cnaphalocrocis medinalis, and has the characteristics of being low in toxicity, residues and cost, and friendly to environment, so that the compound pesticide composition has broad prospects, great social and economic benefits and direct economic benefits.
Description
Technical field
The present invention relates to a kind of composite insecticidal pharmaceutical composition, belong to pesticide field.
Background technology
Paddy rice is the cereal crops of wide maximum of my cultivated area, and its damage by disease and insect occurrence frequency is also the highest, and it is the most serious to cause harm, and especially rice leaf folder spreads all over each rice district of China, about about 1,500,000,000 mu times of the area of causing harm every year according to statistics.Rice leaf folder, snout moth's larva belong to lepidoptera pest together.Because ecological condition is conducive to the rice grub generation, wildness causes harm year after year, the grain-production of serious threat China and safety in recent years.General paddy rice loss 5-10%, outbreak year paddy rice underproduction 10-20%, the field loss 40-50% that part is heavy, even total crop failure.At present, the control rice leaf folder still relies on chemical agent, mainly contain organic phosphates and the biological agents such as Avermectin, emamectin-benzoate such as Profenofos, chlopyrifos, these medicaments are good to low instar larvae quick-acting, cost is low, medicine aboundresources, but lasting effect poor (about 5 days); To 1 age above larva preventive effect very poor, desinsection list and dimehypo lasting effect a little better (about 7 days), cost is also low, but also very poor to the knocking down property of larva more than 1 age, in addition, because the above-mentioned medicament of prolonged and repeated use, the drug resistance of insect strengthens, show the effective dose increase year after year of mu, control efficiency still can not be satisfactory.The new drug that external agricultural chemicals company releases recently (wide such as health, indoxacarb etc.) is expensive.So the upper urgent need of production is studied the preventive effect height, low, the environmentally friendly new medicament of cost is controlled causing harm of rice leaf roller, snout moth's larva effectively.
Summary of the invention
The applicant finds that through great many of experiments insect growth regulator, IGR N-benzoyl-N '-tert-butylbenzene formylhydrazine (be designated hereinafter simply as and press down the food hydrazine) is prepared into composite insecticide with biopesticide composition 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate (being designated hereinafter simply as emamectin-benzoate) has significant synergy, compares one-component and has obvious progress.
Based on above-mentioned discovery, the invention discloses a kind of composite insecticidal pharmaceutical composition, formed by N-benzoyl-N '-tert-butylbenzene formylhydrazine and 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate.
Composite insecticidal pharmaceutical composition of the present invention, the consumption that presses down food hydrazine, Affirm (Merck Co.) can carry out rational proportion according to actual needs, preferably, pressing down food hydrazine effective ingredient (a.i) is 5g.a.i-60g.a.i, emamectin-benzoate effective ingredient (a.i) be 0.1ga.i-10ga.i in mass.
In the present invention, pressing down the food hydrazine is a kind of insect growth regulator, IGR, Lepidoptera, coleoptera, Diptera larvae are had the feed of inhibition, accelerate to cast off a skin and reduce the effect of laying eggs, to insect take stomach poison function as main, 2-3 days take effect after the dispenser, lasting period is long, and the multiplex control of various pests and cabbage caterpillar, prodenia litura, diamond-back moth etc. on vegetables also has certain effect to paddy rice rice leaf roller, rice mythimna separata.
In the present invention, emamectin-benzoate is from the synthetic a kind of efficient semisynthetic antibiotics insecticide of fermented product AVERMECTIN B1, being a kind of biopesticide commonly used has active preferably to the larva of lepidopterous insects, existing stomach poison function is double action of contace poison again, and is multiplex in the integrated control to insect.
The application human experimentation shows that composite insecticidal pharmaceutical composition of the present invention has significant effect to the control crop pests, has obvious lifting with respect to one-component, therefore corresponding, the invention discloses the application of described composite insecticidal pharmaceutical composition in the control crop pests, described crop pests is lepidoptera pest.As is known to the person skilled in the art, lepidoptera pest is a field that covering scope is wider, comprise moth, butterfly two class insects, belong to Pterigota, Holo metabola, in the present invention, described lepidoptera pest mainly comprises rice leaf folder, snout moth's larva, cotton bollworm, diamond-back moth, beet armyworm etc., especially rice leaf folder, snout moth's larva is had excellent control efficiency.Those skilled in the art are appreciated that on basis of the present invention composite insecticidal pharmaceutical composition of the present invention belongs to lepidopterous insect to other and also has control efficiency.
Further, on the basis of the above, those skilled in the art can be prepared into multiple different formulation with composite insecticidal pharmaceutical composition of the present invention according to the needs of practical application, so long as pesticide field can with type of dosage form all can be used for the present invention, select suitable auxiliary material type to get final product according to the needs of formulation, described formulation includes but not limited to wetting powder, suspending agent, water dispersible granules etc.Therefore the invention also discloses a kind of composite insecticide, formed with auxiliary material by described composite insecticidal pharmaceutical composition and agricultural chemicals.
When described composite insecticide is wetting powder, described composite insecticide is comprised of N-benzoyl-N '-tert-butylbenzene formylhydrazine, 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate, auxiliary agent and inserts, wherein auxiliary agent accounts for the 5-20% of gross weight, auxiliary agent mainly is comprised of wetting agent, dispersant (or claiming diffusant), described wetting agent, dispersant are pesticide field auxiliary material commonly used, wherein said inserts can adopt this area agricultural chemicals inserts commonly used, includes but not limited to carbon dust, calcium carbonate, talcum powder, aluminium-magnesium silicate etc.; Described dispersant includes but not limited to lignosulfonates, naphthalenesulfonate formaldehyde condensation compound, polyacetals acids dispersion etc.; Described wetting agent includes but not limited to sodium butylnaphthalenesulfonate salt, sulphate, alcohol ethoxylates, azone, organosilicon etc.
When described composite insecticide is suspending agent; described composite insecticide is comprised of N-benzoyl-N '-tert-butylbenzene formylhydrazine, 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate, auxiliary agent and water; wherein auxiliary agent accounts for the 5-15% of gross weight, and auxiliary agent mainly is comprised of wetting agent, dispersant, thickener, stabilizing agent and defoamer.Dispersant, wetting agent as mentioned above, described thickener includes but not limited to gelatin, xanthans, gum Arabic etc.; Described stabilizing agent comprises but is not limited to magnesium silicate, lithium magnesium silicate, aluminium-magnesium silicate etc., preferably aluminium-magnesium silicate; Described defoamer includes but not limited to mineral oil such as metallic soap of stearic acid, organosilicon, silica etc.
When described composite insecticide was water dispersible granules, described composite insecticide was comprised of N-benzoyl-N '-tert-butylbenzene formylhydrazine, 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate, auxiliary agent and inserts.Wherein auxiliary agent accounts for the 5-15% of gross weight, and auxiliary agent mainly is comprised of disintegrant, adhesive, wetting agent and dispersant.Wetting agent, dispersant as mentioned above, described disintegrant is selected from dried starch, sodium carboxymethyl starch, low substituted hydroxy-propyl methylcellulose, crospolyvinylpyrrolidone etc.; Described adhesive is selected from sodium alginate, casein sodium, alphalise starch, sodium carboxymethylcellulose etc.
The applicant tests composite insecticidal pharmaceutical composition of the present invention, experimental result shows can prevent and treat lepidoptera pest effectively, especially rice leaf folder, snout moth's larva had significant effect, can reduce the pesticide resistance of insect, be low, the environment amenable composite insecticidal medication of a kind of cost.
Embodiment
Embodiment 1
Press down food hydrazine 1kg, emamectin-benzoate 1kg, 20min mixes in stirrer for mixing, obtains pharmaceutical composition of the present invention.
Embodiment 2
Press down food hydrazine 5kg, emamectin-benzoate 1kg, 30min mixes in stirrer for mixing, obtains pharmaceutical composition of the present invention.
Embodiment 3
Press down food hydrazine 8kg, emamectin-benzoate 1kg, 30min mixes in stirrer for mixing, obtains pharmaceutical composition of the present invention.
Embodiment 4
Press down food hydrazine 15kg, emamectin-benzoate 1kg, 40min mixes in stirrer for mixing, obtains pharmaceutical composition of the present invention.
Embodiment 5
Press down food hydrazine 20kg, emamectin-benzoate 1kg, 40min mixes in stirrer for mixing, obtains pharmaceutical composition of the present invention.
Embodiment 6
Press down food hydrazine 30kg, emamectin-benzoate 1kg, 30min mixes in stirrer for mixing, obtains pharmaceutical composition of the present invention.
Embodiment 7
60% emamectin-benzoate/press down and eat hydrazine wetting powder (3.0: 57.0) 100Kg
The first step: batching, mixing
Take by weighing 70% emamectin-benzoate quantity of goods produced 4.3Kg (rolling over hundred 3.0Kg), White Carbon black 5Kg, take by weighing 97% press down food hydrazine 58.8Kg (rolling over hundred 57Kg), auxiliary agent (NO, LS) 10Kg in kind, light calcium carbonate 21.9Kg, pour into successively stir in the mixer (30 minutes) even.
Second step: pulverize
Female powder of mixing is carried out air-flow crushing, and after the end, the material that main frame material and dust catcher are collected mixes (10 minutes) again.
The 3rd step: it is qualified to detect indices, and metering, distributing, packaging is finished product
Embodiment 8
50% emamectin-benzoate/press down and eat hydrazine suspending agent (2.5: 47.5) 100Kg
The first step: batching, shearing
Take by weighing 70% emamectin-benzoate quantity of goods produced 3.55Kg (rolling over hundred 2.5Kg), can be with xanthans 0.2Kg, aluminium-magnesium silicate 1Kg, the big gun agent 0.5Kg that disappears, take by weighing 97% press down food hydrazine 49.0Kg (rolling over hundred 47.5Kg) in kind, auxiliary agent (can with triphen ethyl-phenol APEO, fatty alcohol-polyoxyethylene ether ratio 1: 1) 10Kg, add water 35.8Kg and pour into successively to shear and shear (40 minutes) in the still evenly
Second step: grind
It is up to standard that the semi-finished product that shearing is good are ground to suspensibility by grinder.
The 3rd step: metering, distributing, packaging is finished product
Embodiment 9
60% emamectin-benzoate/press down and eat hydrazine water dispersible granules (3.0: 57.0) 100Kg
The first step: prepare female powder, pulverizing
Take by weighing 70% emamectin-benzoate quantity of goods produced 4.3Kg (rolling over hundred 3.0Kg), 97% and press down food hydrazine 58.8Kg (rolling over hundred 57Kg) in kind, the total effective ingredient be 60Kg, successively pour in the mixer stir (30 minutes) evenly after, carry out air-flow crushing, quality inspection is qualified rear for subsequent use.
Second step: dilution mixes
Be 60% with dispersant (can use Geropon T/36), wetting agent (can with Tersperse 1004, Huntsman), the agent (can use sodium carboxymethyl starch) of spring solution, fillers dilute to making effective ingredient with pulverizing qualified female powder, drop in the agravic mix particles machine and mix.
The 3rd step: make softwood
The diluted material made added in the aqueous solution that contains adhesive be made into softwood
The 4th step: granulate
By the extruding granulator softwood is made into wet particle
The 5th step: drying
Dry in fluidized bed dryer formula heated-air circulation oven, be dried to moisture and get final product less than 3%.
The 6th step: shaping
The particle that drying is good is put in the sifter, screens out bulk and fine powder.
The 7th step: it is qualified to detect every quality index, the packing warehouse-in.
The applicant is studied the toxicity of pharmaceutical composition of the present invention, insecticidal properties etc., has carried out respectively pressing down the food hydrazine the composite synergistic effect of emamectin-benzoate, field efficacy have been carried out comparative study, and experimental result is as follows:
(1) to the synergistic effect of rice leaf roller 2 instar larvaes
Adopt the abundant method of Sun Yun, namely calculate the method for the co-toxicity coefficient of built agent with poison exponent.Sun Yunpei etc. (1960) think, co-toxicity coefficient significantly is synergistic effect greater than 100, less than 100 for picking up anti-effect, are summation action near 100 significantly.Concrete calculation procedure is as follows;
The percentage composition of B medicine in the poison exponent * mixture of the percentage composition of A medicine+B medicine in the poison exponent * mixture of the theoretical poison exponent of LD50 (LC50) * 100 mixture of the LD50 (LC50) of poison exponent=standard insecticide/confession examination insecticide=A medicine
Co-toxicity coefficient=mixture actual measurement poison exponent/theoretical the poison exponent of mixture * 100
Press down food hydrazine and the composite synergistic effect to rice leaf roller of emamectin-benzoate.
(1). according to pressing down the food hydrazine: emamectin-benzoate is that 15: 1 ratio and single dose are to toxicity regression and the co-toxicity coefficient of rice leaf roller 2 instar larvaes
Through indoor measurement, press down the food hydrazine and emamectin-benzoate is composite and two single doses to the virulence regression equation to rice leaf roller are:
Emamectin-benzoate: y=5.2497+0.9931x r=0.9763 LC50=0.5605mg/L
Press down the food hydrazine: y=1.7476+3.8851x r=0.9849 LC50=6.87mg/L
Press down food hydrazine and emamectin-benzoate mixture (pressing down food first A Wei):
y＝4.4896+3.5468x?r＝0.9873?LC50＝1.39mg/L
Coefficient of synergism:
Take emamectin-benzoate as the standard medicament, the toxicity index of each medicament is respectively:
Emamectin-benzoate 100 presses down food hydrazine 8.2, presses down food hydrazine and emamectin-benzoate mixture 40.3.
The theoretical toxicity index of built agent is respectively:
Press down food first A Wei=7.44
Synergistic effect (co-toxicity coefficient) is respectively:
Press down food first A Wei=541.7
Press the abundant synergy criterion of Sun Yun: co-toxicity coefficient significantly is synergy greater than 100, significantly anti-for picking up less than 100, equal 100 and be summation action, press down food hydrazine and the composite co-toxicity coefficient of emamectin-benzoate all significantly greater than 100, therefore have significant synergies.
(2). according to pressing down the food hydrazine: emamectin-benzoate is that 5: 1 ratio is to toxicity regression and the co-toxicity coefficient of rice leaf roller 2 instar larvaes
Press down food hydrazine and emamectin-benzoate mixture:
y＝3.8941+2.1932x?r＝0.9873?LC50＝3.19mg/L
Emamectin-benzoate: y=5.2497+0.9931x r=0.9763 LC50=0.5605mg/L
Press down the food hydrazine: y=1.7476+3.8851x r=0.9849 LC50=6.87mg/L
Take emamectin-benzoate as the standard medicament, the toxicity index of each medicament is respectively:
Emamectin-benzoate 100 presses down food hydrazine 8.2, presses down food hydrazine and emamectin-benzoate mixture 17.57.
The theoretical toxicity index of built agent is respectively: press down food first A Wei=7.44
Synergistic effect (co-toxicity coefficient) is respectively: press down food first A Wei=236.2
Press the abundant synergy criterion of Sun Yun: co-toxicity coefficient significantly is synergy greater than 100, significantly anti-for picking up less than 100, equal 100 and be summation action, press down food hydrazine and the composite co-toxicity coefficient of emamectin-benzoate all significantly greater than 100, therefore, the poorest ratio also has significant synergies.
(2) the present invention is to the field efficacy of rice leaf roller
Get the pharmaceutical composition of embodiment of the invention 1-7,2 years field trials have been carried out on Luhe district and other places, test is established and is pressed down food hydrazine and emamectin-benzoate single dose and press down the food hydrazine and the emamectin-benzoate pharmaceutical composition adds blank, count six processing, each processes residential quarter area 33.34m, randomized arrangement, three repetitions.Five (3) for leaf-roller one, the medication of second instar larvae peak period, every mu is watered the conventional spraying of 50Kg, behind the medicine 5 days, 10 days, carry out the field efficacy investigation, 5 points are got in the every residential quarter of method, every 5 caves, look into altogether 25 caves, statistics leaf roll rate compares with check plot leaf roll rate, calculates protecting effect of leaves (preventive effect).
Investigation statistics result: behind the medicine 5 days, 10 days, press down the protecting effect of leaves of the composite pharmaceutical composition of food hydrazine and Affirm (Merck Co.) all up to 88.6-91.6%, 94.6-98.3%; And the alone protecting effect of leaves that presses down food hydrazine (mu with 20% wetting powder 75g) is respectively 45.3-52.9%, 70.2-87.1%, alone emamectin-benzoate (mu with 5% water dispersible granules 20g) is respectively 84.5-90.3% and 75,5-81.8%, adopt the significance of difference between each processing of the new multipole difference analysis of Dancan ' s methods analyst, show built agent to the quick-acting of rice leaf roller significantly better than pressing down food hydrazine single dose, lasting effect is significantly better than the emamectin-benzoate single dose, and synergy is more remarkable.
Comprehensive indoor biometrics test, co-toxicity coefficient and field efficacy, emamectin-benzoate and rh-5849 compound have produced significant synergy, and that prepared agricultural chemicals has is quick-acting, holding effect, high-efficient characteristic, has realized the complementation of two single dose advantages and synergistic effect.Show emamectin-benzoate and rh-5849 compound, the science that tool is certain and applicability, its economic results in society are remarkable, have the prospect of large scale application.
Claims (10)
1. composite insecticidal pharmaceutical composition, it is characterized in that by N-benzoyl-N '-tert-butylbenzene formylhydrazine and 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate forms.
2. composite insecticidal pharmaceutical composition according to claim 1; the usage ratio that it is characterized in that described component is N-benzoyl-N '-tert-butylbenzene formylhydrazine effective ingredient 5g.a.i-60g.a.i; 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate effective ingredient 0.1g.a.i-10g.a.i, in mass.
3. claim 1 or the 2 described composite insecticidal pharmaceutical compositions application in the control crop pests, described crop pests is lepidoptera pest.
4. application according to claim 3 is characterized in that described lepidoptera pest comprises rice leaf folder, snout moth's larva, cotton bollworm, diamond-back moth, beet armyworm.
5. the composite insecticide of composite insecticidal pharmaceutical composition according to claim 1 and 2 preparation; it is characterized in that being wetting powder, by N-benzoyl-N '-tert-butylbenzene formylhydrazine, 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate, auxiliary agent and inserts form.
6. composite insecticide according to claim 5 is characterized in that described auxiliary agent is comprised of wetting agent and dispersant.
7. the composite insecticide of composite insecticidal pharmaceutical composition according to claim 1 and 2 preparation; it is characterized in that being suspending agent, by N-benzoyl-N '-tert-butylbenzene formylhydrazine, 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate, auxiliary agent and water forms.
8. composite insecticide according to claim 7 is characterized in that described auxiliary agent is comprised of wetting agent, dispersant, thickener, stabilizing agent and defoamer.
9. the composite insecticide of composite insecticidal pharmaceutical composition according to claim 1 and 2 preparation; it is characterized in that being water dispersible granules, by N-benzoyl-N '-tert-butylbenzene formylhydrazine, 4 '-Biao-methylamino-4 '-deoxidation AVERMECTIN B1 benzoate, auxiliary agent and inserts form.
10. composite insecticide according to claim 9 is characterized in that described auxiliary agent is comprised of the solution agent of jumping, adhesive, wetting agent, dispersant.
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| CN2011103007244A CN103027056A (en) | 2011-09-30 | 2011-09-30 | Compound pesticide composition, application and preparation thereof |
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| CN2011103007244A CN103027056A (en) | 2011-09-30 | 2011-09-30 | Compound pesticide composition, application and preparation thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107751202A (en) * | 2016-08-16 | 2018-03-06 | 江苏龙灯化学有限公司 | A kind of Pesticidal combination |
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| US20100168043A1 (en) * | 2005-03-22 | 2010-07-01 | Syngenta Crop Protection, Inc. | Method for the protection of trees |
| CN101796949A (en) * | 2009-12-31 | 2010-08-11 | 青岛星牌作物科学有限公司 | Plant insecticidal protective agent and application thereof |
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| CN1399884A (en) * | 2001-07-31 | 2003-03-05 | 马韵升 | Methlaminoabamectin benzoate pesticide and miticide composite |
| US20100168043A1 (en) * | 2005-03-22 | 2010-07-01 | Syngenta Crop Protection, Inc. | Method for the protection of trees |
| CN101796949A (en) * | 2009-12-31 | 2010-08-11 | 青岛星牌作物科学有限公司 | Plant insecticidal protective agent and application thereof |
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Application publication date: 20130410 |