CN103503887A - Complex insecticidal bactericide used for controlling paddy rice insect disease - Google Patents
Complex insecticidal bactericide used for controlling paddy rice insect disease Download PDFInfo
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- CN103503887A CN103503887A CN201210200730.7A CN201210200730A CN103503887A CN 103503887 A CN103503887 A CN 103503887A CN 201210200730 A CN201210200730 A CN 201210200730A CN 103503887 A CN103503887 A CN 103503887A
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- rice
- insecticidal bactericide
- avermectin
- fluoxastrobin
- bactericide
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Abstract
The invention discloses a complex insecticidal bactericide used for controlling paddy rice insect diseases. The effective components of the insecticidal bactericide are avermectin and/or emamectin benzoate (with a chemical name of (4''-r-4''-deoxy-4''-methylamino avermectin benzoate, emamectin benzoate for short), and azoxystrobin (with a chemical name of (E)-2-{2-[6-(2-cyanophenoxy]pyrimidin-4-yloxy}phenyl)-3-methoxyacrylate). With the insecticidal bactericide, various paddy rice insect diseases such as rice sheath blight, rice blast and rice leaf roller can be simultaneously controlled. The agent has multiple effects. With the agent, diseases and pests can both be controlled. The bactericide has the advantages of low cost, environment friendliness, and good application prospect.
Description
Technical field
The present invention relates to a kind of composite insecticidal bactericide, for preventing and treating the multiple rice pests such as rice sheath blight disease, rice blast and rice leaf folder, belong to pesticide field.
Background technology
Paddy rice is the topmost cereal crops of China, and the good harvest of paddy rice high yield is directly connected to several hundred million people's food problems, is related to social stability.The paddy growth cycle is long, and its damage by disease and insect occurs frequent, carries out rice disease and pest preventing and controlling, guarantees that paddy rice good harvest is significant.There are different damage by disease and insect often and occur simultaneously in rice disease and pest, as the insects such as the diseases such as the rice blast of Later Stage of Rice (cut phase) and banded sclerotial blight and rice leaf folder occur throughout the year simultaneously; Medication during paddy rice cut, peasant need buy several medicaments, and the edge of a field mixes temporarily, random large, is not often Use out of range, causes waste, has strengthened environmental pollution, uses exactly quantity not sufficient, and impact prevents and treats quality.
Summary of the invention
Defect for prior art, the present patent application people is researched and developed and is found high activity by great many of experiments, toxicity is low, eco-friendly bionic type medicament Avermectin and/or first dimension salt (〞-deoxidation-4,4 〞-Biao-4 〞-emamection benaoate) are made composite insecticidal bactericide with Fluoxastrobin as main active, be used for preventing and treating rice field damage by disease and insect, particularly at paddy rice banded sclerotial blight and the rice leaf folder in mid-term, the banded sclerotial blight of Later Stage of Rice, when the insect such as rice blast and leaf-roller occurs simultaneously, a drug can parasitosis is double be controlled, simplified farming, this falls in joint medicine, reduce environmental pollution, improve and prevent and treat quality.
Based on above-mentioned discovery, the invention discloses a kind ofly for preventing and treating the composite insecticidal bactericide of rice pest, its active ingredient is comprised of Avermectin and/or first dimension salt, Fluoxastrobin.
In the present invention, use Avermectin and/or first dimension salt, to the existing stomach poison function of insect double action of contace poison again, under low-down dosage (0.084 ~ 2g/ha), can realize good effect, and in the process of pest control, beneficial insect is not injured, be conducive to the integrated control to insect.
In the present invention, Fluoxastrobin is methoxy acrylate (Strobilurin) series bactericidal agent, and efficient, wide spectrum, all have good activity to nearly all mycota (Ascomycotina, Basidiomycotina, Mastigomycotina and Deuteromycotina) disease.
In the present invention, according to the concrete kind difference of wanted pesticide-germicide, can rationally adjust as required the content of two kinds of compositions, in active ingredient, in mass content, 0.5%-90%, the Fluoxastrobin that Avermectin and/or first dimension salt accounts for composite insecticidal bactericide active ingredient accounts for 0.5 %-90% of composite insecticidal bactericide active ingredient.
In active ingredient, Avermectin and/or first dimension salt are that 0.5ga.i-30.0ga.i, Fluoxastrobin are 1.0g.a.i-60.0g.a.i.
For the ease of application, be conducive to storage transportation, composite insecticidal bactericide of the present invention can be any available type of pesticide field, as long as select suitable auxiliary material to can be made into different preparation types, preferably, described formulation is wetting powder, suspending agent, water dispersible granules.
Based on above-mentioned disclosed technical scheme, the present patent application people has carried out respectively comparative study to synergistic effect, the field efficacy of Avermectin or first dimension salt and azoxystrobin compound, and experimental result is as follows:
1. the synergistic effect of composite insecticidal bactericide
Through biologicall test, composite insecticidal bactericide of the present invention is at Avermectin (or emamection benaoate) and Fluoxastrobin (1(or 0.5): 2) built agent is respectively 99.6 (100.1), 100.4 (104.1) to the co-toxicity coefficient of banded sclerotial blight and false smut; The co-toxicity coefficient of rice leaf roller second instar larvae is respectively to 101.5 (101.5).By the abundant synergy criterion of Sun Yun: co-toxicity coefficient is significantly greater than 100 for synergy, significantly be less than 100 for antagonism, equaling 100 for summation action, show Avermectin or emamection benaoate and azoxystrobin compound agent, is feasible to above-mentioned damage by disease and insect.
2. the field efficiency test of composite insecticidal bactericide to rice leaf roller, banded sclerotial blight, rice blast
Field efficiency test to composite insecticidal bactericide of the present invention to rice leaf folder, banded sclerotial blight, rice blast, on Luhe district and other places, 2 years field trials have been carried out, Avermectin and azoxystrobin compound agent, first dimension salt and azoxystrobin compound agent are established in experiment, Avermectin, emamection benaoate, Fluoxastrobin single dose and blank, count six processing, experiment principle is processed community area 33.34m for each, and randomized arrangement, repeats for three times.Experimental technique is: in the phase medication of paddy rice cut, every mu of use 60% Avermectin azoxystrobin compound insecticidal bactericide wettable powder 10g, 50% first dimension salt azoxystrobin compound insecticidal bactericide wettable powder (10:40) 10g, 40% Fluoxastrobin wetting powder 10g, 3% Avermectin wetting powder 60g, 30% first dimension salt 30g, be watered the conventional spraying of 50Kg.For different damage by disease and insect, according to following principle, process:
Banded sclerotial blight: fix 5 points according to the random inserted link in G/B17980.20-2000 field control effectiveness test criterion (two) ，Yao Qianmei community, every 5 Ji25 caves, cave.Record total strain number, diseased plant number and sick progression, before processing, carry out radix investigation.After medicine 15 days, the sick progression of investigation records, calculated control efficiency.
Rice blast (Miho neck pest): according to G/B17980.20-2000 field control effectiveness test criterion (), after medicine, the sick progression of 50 Miho is recorded in the investigation of 15Tian，Mei community, calculates control efficiency.
Rice leaf roller: according to G/B17980.2-2000 field control effectiveness test criterion () insecticide control rice leaf roller, after medicine 10 days, 5: 25 clumps of rice leaf roll numbers are investigated, recorded in every community, statistics leaf roll rate, with check plot leaf roll rate comparison, calculate preventive effect (protecting effect of leaves), before processing, carry out radix investigation.
In above-mentioned experimental basis, by the new extreme difference of Duncan (DMRT) method, test data is carried out to statistical analysis.Result of the test: Avermectin (or first dimension salt) is that 86.1-90.1 %, Miho neck pest preventive effects are 90.4-92.1 % with azoxystrobin compound agent to rice sheath blight disease preventive effect, to rice sheath blight disease preventive effect 82.6-89.1%, Miho pest preventive effect, be 80.5-82.1% to compare with Fluoxastrobin, between processing, difference is not remarkable; Avermectin (or first dimension salt) is 95.4-97.2% with azoxystrobin compound agent to rice leaf roller preventive effect, is that 93.5-96.7% compares with Avermectin (or first dimension salt) to rice leaf folder preventive effect, and between processing, difference is not remarkable.Proof Avermectin (or first dimension salt) is feasible with double the controlling of insecticidal bactericide parasitosis of azoxystrobin compound.
Except the medicament test of above-mentioned proportion of composing, meanwhile, applicant has tested tens kinds of combinations of other the satisfied composition restriction limiting for the present invention, can find that the composite insecticidal bactericide in the aforementioned content range of the present invention limits all can meet above-mentioned pesticide-germicide effect, wherein partly combines consumption and is recorded in embodiment.
To sum up stating indoor co-toxicity coefficient measures and field efficiency test result: showing that Avermectin (or first dimension salt) and Fluoxastrobin effect are added, have complementary functions, parasitosis is double controls.Illustrate that composite insecticidal bactericide selection is reasonable, scientific formulation, applicability is very strong, and application prospect is very wide.
Embodiment
embodiment 1
wetting powder embodiment
60% Avermectin/Fluoxastrobin wetting powder (20:40) 100Kg
The first step: batching, mixing
A. the quantity of goods produced 22.2Kg(that takes 90% Avermectin rolls over hundred 20.0Kg), 92% Fluoxastrobin quantity of goods produced 43.5Kg(rolls over hundred 60.0Kg), White Carbon black 10Kg, light calcium carbonate 8.3 Kg, auxiliary agent: dispersant 12.0 Kg, wetting agent 5.0 Kg, pour successively stirring (30 minutes) in mixer into and mix stand-by.
Second step: air-flow crushing: the female powder mixing is carried out to air-flow crushing, again mix after finishing, (10 minutes) are that semi-finished product are stand-by.
The 3rd step: detection, metering, packing, packing warehouse-in
Sampling detects that every quality index is qualified, metering, packing, packing are finished product warehouse-in.
embodiment 2
suspending agent embodiment
20.5% Avermectin/Fluoxastrobin suspending agent ((7.5:15) 100Kg) 100Kg
The first step: batching, shearing
Take 90% Avermectin quantity of goods produced 8.3Kg(and roll over hundred 7.5Kg), 92% Fluoxastrobin 16.3Kg(in kind rolls over hundred 15.0Kg), xanthans 0.2 Kg, aluminium-magnesium silicate 1 Kg, big gun agent 0.5 Kg that disappears, auxiliary agent (triphen ethyl-phenol APEO, fatty alcohol-polyoxyethylene ether ratio 1:1) 10 Kg, Jia Shui supply 100Kg pour into successively shear in still, shear (40 minutes) even.
Second step: grind: grind suspensibility by grinder after having sheared up to standard.
The 3rd step: detection, metering, packing, packing warehouse-in
It is qualified that sampling detects every quality index, and metering, distributing, packaging is finished product warehouse-in.
embodiment 3
water dispersible granules
60% Avermectin/azoxystrobin water dispersible granule (20:40) 100Kg
The first step: the making of 60% female powder (Avermectin 20: Fluoxastrobin 40)
Batching, mix: the quantity of goods produced 22.2Kg(that takes former medicine 90% Avermectin rolls over hundred 20.0Kg), 92% Fluoxastrobin quantity of goods produced 43.5Kg(rolls over hundred 60.0Kg), 10g corn starch, dispersant (Geropon T/36, Morwet D-450) 4g. wetting agent 4g, pours in mixer and stirs successively.
Air-flow crushing: female powder by fluidized bed air-flow crushing to 700-800 order being mixed (best female powder suspends and reaches 95% left and right) is stand-by.
Second step: dilution mixes, makes softwood
Dilution mixes: the female powder after pulverizing is added to dispersant 2.8g again, and wetting agent 2.4g, disintegrant (Sodium Hydroxymethyl Stalcs) 5g, filler is supplied 100kg.Drop in agravic mix particles machine and mix.
Make softwood: the powder having diluted is added in the aqueous solution that contains binding agent and makes softwood.
The 3rd step:, granulate, dry, shaping
Granulate: by extruding granulator, softwood is made into particle.
Dry: in fluidized bed dryer or heated-air circulation oven, to be dried to moisture and to be less than 3%.
Shaping: dried particle is put in sifter, screened out bulk and fine powder
The 4th step: detection, metering, packing, lodge warehouse-in
Be that finished product sample thief detects, every quality index is qualified, and metering, packing, lodge are finished product warehouse-in.
According to above-mentioned preparation method, can obtain equally wetting powder, suspending agent, the water dispersible granules of first dimension salt and azoxystrobin compound agent.
Claims (5)
1. for preventing and treating the composite insecticidal bactericide of rice pest, it is characterized in that its active ingredient is comprised of Avermectin and/or first dimension salt, Fluoxastrobin.
2. according to claim 1 for preventing and treating the composite insecticidal bactericide of rice pest, it is characterized in that in active ingredient, in mass content, 0.5%-90%, the Fluoxastrobin that Avermectin and/or first dimension salt accounts for composite insecticidal bactericide active ingredient accounts for 0.5 %-90% of composite insecticidal bactericide active ingredient.
3. according to claim 1 for preventing and treating the composite insecticidal bactericide of rice pest, it is characterized in that the content of each active ingredient: Avermectin and/or first dimension salt are 0.5g.a.i-30.0g.a.i; Fluoxastrobin is 1.0g.a.i-60.0g.a.i.
4. according to claim 1 for preventing and treating the composite insecticidal bactericide of rice pest, it is characterized in that for wetting powder, suspending agent, water dispersible granules, by Avermectin and/or first dimension salt, Fluoxastrobin and auxiliary agent, inserts, formed.
5. according to claim 1 for preventing and treating the composite insecticidal bactericide of rice pest, the application in control rice pest, is characterized in that described rice pest is the sick worms such as rice sheath blight disease, rice blast and rice leaf folder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210200730.7A CN103503887A (en) | 2012-06-18 | 2012-06-18 | Complex insecticidal bactericide used for controlling paddy rice insect disease |
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| CN201210200730.7A CN103503887A (en) | 2012-06-18 | 2012-06-18 | Complex insecticidal bactericide used for controlling paddy rice insect disease |
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| CN103503887A true CN103503887A (en) | 2014-01-15 |
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| CN201210200730.7A Pending CN103503887A (en) | 2012-06-18 | 2012-06-18 | Complex insecticidal bactericide used for controlling paddy rice insect disease |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508922A (en) * | 2016-10-25 | 2017-03-22 | 河北昊阳化工有限公司 | Insecticide-fertilizer mixed composition for killing underground insects and nematodes |
| CN112075442A (en) * | 2020-09-17 | 2020-12-15 | 惠州市银农科技股份有限公司 | Water dispersible granule and preparation method thereof |
Citations (4)
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| CN1946294A (en) * | 2004-03-16 | 2007-04-11 | 辛根塔参与股份公司 | Pesticidal composition and method for fungal control |
| US20090318505A1 (en) * | 2006-02-09 | 2009-12-24 | Syngenta Crop Protection, Inc. | Fungicidal compositions |
| CN102342285A (en) * | 2011-11-11 | 2012-02-08 | 联保作物科技有限公司 | Sterilization disease-resistant composition and suspension seed coating agent thereof |
| CN102823589A (en) * | 2012-09-24 | 2012-12-19 | 发事达(南通)化工有限公司 | Pesticide water effervescent dispersible tablet and preparation method thereof |
-
2012
- 2012-06-18 CN CN201210200730.7A patent/CN103503887A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1946294A (en) * | 2004-03-16 | 2007-04-11 | 辛根塔参与股份公司 | Pesticidal composition and method for fungal control |
| US20090318505A1 (en) * | 2006-02-09 | 2009-12-24 | Syngenta Crop Protection, Inc. | Fungicidal compositions |
| CN102342285A (en) * | 2011-11-11 | 2012-02-08 | 联保作物科技有限公司 | Sterilization disease-resistant composition and suspension seed coating agent thereof |
| CN102823589A (en) * | 2012-09-24 | 2012-12-19 | 发事达(南通)化工有限公司 | Pesticide water effervescent dispersible tablet and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106508922A (en) * | 2016-10-25 | 2017-03-22 | 河北昊阳化工有限公司 | Insecticide-fertilizer mixed composition for killing underground insects and nematodes |
| CN112075442A (en) * | 2020-09-17 | 2020-12-15 | 惠州市银农科技股份有限公司 | Water dispersible granule and preparation method thereof |
| CN112075442B (en) * | 2020-09-17 | 2022-05-10 | 惠州市银农科技股份有限公司 | Water dispersible granule and preparation method thereof |
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Application publication date: 20140115 |