CN103315009B - Suspoemulsion pesticide composition for controlling Rhizoctonia solani and preparation method thereof - Google Patents
Suspoemulsion pesticide composition for controlling Rhizoctonia solani and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a suspoemulsion pesticide composition for controlling Rhizoctonia solani, which is prepared from the following raw materials in parts by weights: 5-10 parts of sophocarpidine, 2-30 parts of validamycin, 10-24 parts of trisiloxane polyoxyethylene ether, 20-30 parts of pepper, 20-30 parts of gingko seed coats and 20-30 parts of fructus cnidii. The suspoemulsion pesticide composition can be used for soil treatment after sowing and before emerging of seedling, and has the characteristic of killing farmland weed and a broad-spectrum sterilization characteristic. Compared with the prior art, the suspoemulsion pesticide composition has the characteristics of good weed removing effect and the safety to the environment, and weeds hardly generating resistance to the suspoemulsion pesticide composition can not be generated easily, so that the suspoemulsion pesticide composition has a wide application prospect.
Description
Technical field
The invention belongs to public nuisance-free agricultural chemicals technical field, relate to a kind of biopesticide bactericide, specifically relate to biological pesticide composite of a kind of water prevention rice sheath blight and preparation method thereof.
Background technology
Plant can run into various damage by disease and insect in occurring in nature process of growth, particularly fungus disease, its kind is many, and disease is serious, and sick, the red gold of such as gold is sick, dark fund is sick etc. is occur generally on many crops, be comparatively difficult to the disease of preventing and treating, huge loss is brought to agricultural production, mainly occur in the part such as tender seedling, bud, the tip of crop, time serious, blade is withered, curling, browning look, withered.A large amount of chemical means that uses is prevented and treated at present, the domestic medicament for preventing and treating powdery mildew mainly contains methyl but the unicity of for many years medication and the particularity of chemicals, be easy in use make serious harm to operating personnel and ecotope, and have residual in a large number, not easy-clear, damages edible people, and therefore country is own through prohibitting the use highly toxic pesticide, greatly develop green non-pollution vegetables, so be badly in need of developing the even nontoxic public nuisance-free agricultural chemicals of low toxicity.Causing harm of farmland weed often causes a large amount of underproduction of crops every year.Use chemical herbicide to remain the Main Means of current weed control, but due to a large amount of and unreasonable use chemical herbicide, cause the problems such as environmental pollution, residue of pesticide and herbicide resistance, be subject to extensive concern.Therefore, exploitation is efficient, the new herbicides of low toxicity, low-residual, becomes problem in the urgent need to address.Bioactivator is found from plant, and then the environmentally friendly agricultural chemicals of development of new, be the hot fields that Present Domestic is studied outward.
China is large agricultural country, and about 400,000,000 m2 of the long-term occurring area of crop diseases and pest crop smothering, need produce and use 800,000 tons, agricultural chemicals every year, and agricultural chemicals has become indispensable factor in agricultural production.Widely using of agricultural chemicals, although serve important function to production development, also occurred such as insect pest, disease resistance problems, to the pollution of environment and in agricultural and animal products residual and accumulation problem, injure natural enemy, destroy balance of nature, cause pest resurgence problem etc.This proposes higher requirement to the development of novel pesticide.Especially, since entering 21 century, along with the cry of people's uphold nature, protection of the environment, concern food security is day by day surging, harmless boilogical agricultural chemicals industry and field of biological control research obtain rare opportunity to develop.
Biopesticide mainly for the current domestic water prevention rice sheath blight (Rhizoctonia solani); Bacillus subtilis, bacillus polymyxa, waxy Bacillus and composite jinggangmycin thing, formulation is divided into aqua and two kinds, pulvis.Which kind of biopesticide is all based on spore and shaft-like thalline, controls the pathogen of rice sheath blight disease and expands on rice plant, this kind of viable bacteria body water prevention rice sheath blight effect by outdoor temp, wet, intensity of illumination affects.Particularly the ubiquity of peasant's dispenser in recent years amount of liquid medicine deficiency, and rice sheath blight disease happening part is mainly in paddy rice middle and lower part, because the not enough viable bacteria body of amount of liquid medicine is difficult to reach site of pathological change, Here it is biopesticide to rice sheath blight disease preventive effect a little less than one of chemical pesticide principal element.Also have some plant pesticides extracted from kuh-seng at present, but it is unreasonable to fill a prescription, effect is not ideal, is not suitable for suitability for industrialized production, and market in urgent need one is conducive to environmental protection, can effectively sterilization, weeding, and can be applicable to the large plant pesticide produced.
Summary of the invention
The invention provides suspension emulsion biological pesticide composite of a kind of water prevention rice sheath blight and preparation method thereof.
The raw material that it comprises following parts by weight prepares: matrine 5-10 part, jinggangmeisu 2-30 part, trisiloxanes APEO 10-24 part, Chinese prickly ash 20-30 part, ginkgo seed coat 20-30 part, frutus cnidii 20-30 part, azedarach 10-30 part, fruit of Rangoon creeper 15-25 part, gall nut 1-15 part, ilex pubescens 5-15 part, soapberry exosper 55-60 part, fructus ulmi 10-15 part, camphor 5-15 part, semen momordicae 5-15 part, Golden Larch Bark 10-15 part, sodium humate 5-15 part, proline 10 ~ 25 parts, methionine 15 ~ 20 parts, glycine 16 ~ 23 parts, threonine 26 ~ 33 parts, tyrosinase 15-15 parts, gram line spirit 30-50 part,
Described preparation method is:
(1) Chinese prickly ash, ginkgo seed coat, frutus cnidii, azedarach, the fruit of Rangoon creeper, gall nut, ilex pubescens, matrine, soapberry exosper, fructus ulmi, camphor, semen momordicae, Golden Larch Bark is got according to described parts by weight, according to described parts by weight, soak in water after 2 hours, be warmed to 50 DEG C to keep 20 minutes, then the cellulase adding (unit of activity of 10 parts is 150U) carries out enzymolysis, enzyme digestion reaction temperature is 30 DEG C, and the enzyme digestion reaction time is 1 hour, filters and obtains Chinese herbal medicine fluid; Described obtained herbal liquid medicine 300 parts is added 75% alcohol immersion 80min of 10 times of weight, be heated to 70 DEG C times and heat up in a steamer 45min, filter, collect extract; Filter residue adds 70% ethanol of 5 times of weight again, is heated to 80 DEG C times and heats up in a steamer 45min, filter, collect extract;
(2) extract of described collection is added wetting dispersing agent 5-7 part, antifreezing agent 6-7 part, thickener 5-8 part, preservative 5-10 part, defoamer 5-10 part, stabilizing agent 5-6 part mixes according to the above ratio, serialization sand milling is carried out by sand mill, make particle diameter all below 5 μm, obtain suspending agent;
(3) by 5-10 part emulsifiers dissolve in 10-20 part vegetable oil, mineral oil or paraffin oil, obtain oil phase after mixing; The oil phase configured is added in 10-20 part water, with the rotating speed cutting 30min of 20000r/min in high shear machine, forms stable O/W type emulsion;
(4) add the O/W type emulsion obtained in step (3) in the suspending agent prepared in step (2), mix, namely obtain the agricultural chemicals suspension emulsion containing vegetable oil, mineral oil or paraffin oil.
Preferably it is prepared by the raw material of following parts by weight: 25 parts, Chinese prickly ash, ginkgo seed coat 25 parts, frutus cnidii 25 parts, azedarach 20 parts, the fruit of Rangoon creeper 20 parts, gall nut 7 parts, ilex pubescens 8 parts, matrine 6 parts, soapberry exosper 57 parts, fructus ulmi 12 parts, camphor 7 parts, semen momordicae 7 parts, Golden Larch Bark 12 parts, sodium humate 7 parts, proline 13 parts, methionine 15 parts, glycine 19 parts, threonine 30 parts, 7 parts, tyrosine, jinggangmeisu 16 parts, trisiloxanes APEO 17 parts, gram line spirit 40 parts.
Concrete disease is rice sheath blight disease, cucumber downy mildew, pears black heart etc.Bactericidal and herbicidal agent is preventing and treating the application in controlling weeds.Described weeds are artemisiifolia, creeping bentgrass, annual bluegrass and Bermuda grass.
Bactericidal and herbicidal agent of the present invention can be used for broadcasting soil treatment before rear seedling, prevents and kill off the sterilization idiocratic of farmland weed and wide spectrum.Compared with prior art, it is good, environmentally safe that distinctive formula formulation of the present invention has herbicidal effect, and weeds such as not easily to develop immunity to drugs at the feature, have a extensive future.Formulation of the present invention is remarkable to rice sheath blight disease disease-controlling effect.To people and animals, relatively safety is to eyes, no skin irritation in bactericidal and herbicidal agent of the present invention, and be low toxicity through day skin test checking its acute toxicity bright, easily decompose in air and soil, non-poisonous material remains; Bactericidal and herbicidal agent of the present invention is little on the impact of farmland natural enemy, contributes to keeping ecotope, more friendly to environment, to rice sheath blight disease preventive effect more than 80%.
Embodiment
The present invention is described in further detail by the following examples, but should be appreciated that the present invention not in following examples.
Embodiment 1: the preparation of bactericidal and herbicidal formulation
Aqueous suspension composition pesticide of a kind of water prevention rice sheath blight and preparation method thereof, the raw material that it comprises following parts by weight prepares: matrine 5-10 part, jinggangmeisu 2-30 part, trisiloxanes APEO 10-24 part, Chinese prickly ash 20-30 part, ginkgo seed coat 20-30 part, frutus cnidii 20-30 part, azedarach 10-30 part, fruit of Rangoon creeper 15-25 part, gall nut 1-15 part, ilex pubescens 5-15 part, soapberry exosper 55-60 part, fructus ulmi 10-15 part, camphor 5-15 part, semen momordicae 5-15 part, Golden Larch Bark 10-15 part, sodium humate 5-15 part, proline 10 ~ 25 parts, methionine 15 ~ 20 parts, glycine 16 ~ 23 parts, threonine 26 ~ 33 parts, tyrosinase 15-15 parts, gram line spirit 30-50 part,
Described preparation method is:
(1) Chinese prickly ash, ginkgo seed coat, frutus cnidii, azedarach, the fruit of Rangoon creeper, gall nut, ilex pubescens, matrine, soapberry exosper, fructus ulmi, camphor, semen momordicae, Golden Larch Bark is got according to described parts by weight, according to described parts by weight, soak in water after 2 hours, be warmed to 50 DEG C to keep 20 minutes, then the cellulase adding (unit of activity of 10 parts is 150U) carries out enzymolysis, enzyme digestion reaction temperature is 30 DEG C, and the enzyme digestion reaction time is 1 hour, filters and obtains Chinese herbal medicine fluid; Described obtained herbal liquid medicine 300 parts is added 75% alcohol immersion 80min of 10 times of weight, be heated to 70 DEG C times and heat up in a steamer 45min, filter, collect extract; Filter residue adds 70% ethanol of 5 times of weight again, is heated to 80 DEG C times and heats up in a steamer 45min, filter, collect extract;
(2) extract of described collection is added wetting dispersing agent 5-7 part, antifreezing agent 6-7 part, thickener 5-8 part, preservative 5-10 part, defoamer 5-10 part, stabilizing agent 5-6 part mixes according to the above ratio, serialization sand milling is carried out by sand mill, make particle diameter all below 5 μm, obtain suspending agent;
(3) by 5-10 part emulsifiers dissolve in 10-20 part vegetable oil, mineral oil or paraffin oil, obtain oil phase after mixing; The oil phase configured is added in 10-20 part water, with the rotating speed cutting 30min of 20000r/min in high shear machine, forms stable O/W type emulsion;
(4) add the O/W type emulsion obtained in step (3) in the suspending agent prepared in step (2), mix, namely obtain the agricultural chemicals suspension emulsion containing vegetable oil, mineral oil or paraffin oil.
Preferably it is prepared by the raw material of following parts by weight: 25 parts, Chinese prickly ash, ginkgo seed coat 25 parts, frutus cnidii 25 parts, azedarach 20 parts, the fruit of Rangoon creeper 20 parts, gall nut 7 parts, ilex pubescens 8 parts, matrine 6 parts, soapberry exosper 57 parts, fructus ulmi 12 parts, camphor 7 parts, semen momordicae 7 parts, Golden Larch Bark 12 parts, sodium humate 7 parts, proline 13, methionine 15, glycine 19, threonine 30, 7 parts, tyrosine, jinggangmeisu 16 parts, trisiloxanes APEO 17, gram line spirit 40 parts.
Described wetting dispersing agent is selected from sodium lignin sulfonate, calcium lignosulfonate, neopelex, calcium dodecyl benzene sulfonate, pull open in powder, poly-second carboxylic esters sodium salt, alkylpolyoxyethylene phosphate, alkylphenol-polyethenoxy base ether, Nonyl pheno base ether, potassium oleate, enuatrol, lauryl alcohol polyethylene glycol oxide base ether sodium sulfate, alkyl naphthalene formaldehyde condensate sulfonates one or more.
Described emulsifier is selected from one or more in macromolecule EO-PO block copolymer, the polyoxyethylene nonylphenol ether of NP series, alkylphenol-polyethenoxy polyethers and sulphate thereof or phosphate, the fatty alcohol-polyoxyethylene ether of AEO series, thermally coupled distillation columns, alkylphenol polyoxyethylene formaldehyde condensation products sulfate phosphates, styrene phenol formaldehyde resin polyoxyethylene ether phosphate salt, styryl phenol polyethenoxy polyethenoxy ether, Span series, TWEEN Series.
Described antifreezing agent is selected from one or more in ethylene glycol, glycerine, propane diols, polyethylene glycol, sorbierite or urea.
Described thickener is selected from one or more in xanthans, gum Arabic, carboxymethyl cellulose, CMC, hydroxyethylcellulose, methylcellulose or polyvinyl alcohol.
Described stabilizing agent is selected from one or more in epoxidized soybean oil, linseed oil, citric acid, sodium sorbate.
Described defoamer is selected from one or more in silicone defoaming agent, C8-C10 aliphatic alcohols compound or II-ethyl alcohol; Described preservative is selected from one or more in Sodium Benzoate, benzoic acid, sodium Diacetate.
Embodiment 2: the bacteriostatic test effect of bactericidal and herbicidal formulation
The bactericidal and herbicidal pesticide control rice sheath blight disease field control effectiveness test that the embodiment of the present invention 1 is obtained:
3 process are established in each test altogether, and repeat for 4 times, each plot area 10m2, carries out experimental scheme according to completely randomized design, wherein A: clear water blank; B: carbendazim 800 times of dilution positive controls; C: botanical pesticide of the present invention 300 times of dilutions.Use medicine 4 times, interval 7d.
Investigation content and data processing: every community Stochastic choice 30 sample, 7d investigation before using medicine and after the 4th perfusion, record diseased plant number.Carry out output investigation during results, every community list is received, is weighed separately.
The incidence of disease (%)=(diseased plant number/investigate total strain number) × 100.
Control efficiency (%)=[(the check plot incidence of disease-treatment region incidence of disease)/check plot incidence of disease] × 100.
Result of the test shows, between pesticide control rice sheath blight disease of the present invention and clear water blank, inequality heteropole is remarkable; Control efficiency on average reaches 79.5%, has positive effect to the water prevention rice sheath blight, arrives 84.1%.
Embodiment 3: the controlling weeds test effect of bactericidal and herbicidal formulation
The bactericidal and herbicidal pesticide control artemisiifolia that the embodiment of the present invention 1 obtains, creeping bentgrass, annual bluegrass and Bermuda grass field control effectiveness test:
3 process are established in each test altogether, and repeat for 4 times, each plot area 10m2, carries out experimental scheme according to completely randomized design, wherein A: clear water blank; B: carbendazim 800 times of dilution positive controls; C: botanical pesticide of the present invention 300 times of dilutions.Use medicine 4 times, interval 7d.
Investigation content and data processing: every community Stochastic choice 30 sample, 7d investigation before using medicine and after the 4th perfusion, record diseased plant number.Carry out output investigation during results, every community list is received, is weighed separately.
The incidence of disease (%)=(diseased plant number/investigate total strain number) × 100.
Control efficiency (%)=[(the check plot incidence of disease-treatment region incidence of disease)/check plot incidence of disease] × 100.
Result of the test shows, pesticide control artemisiifolia of the present invention, creeping bentgrass, annual bluegrass and between Bermuda grass and clear water blank inequality heteropole remarkable; Control efficiency on average reaches 76.1%, has positive effect, arrive 84.1%, 82.2% to control Bermuda grass, artemisiifolia.
Claims (2)
1. the suspension emulsion composition pesticide of a water prevention rice sheath blight, it is characterized in that, the raw material that it comprises following parts by weight prepares: matrine 5-10 part, jinggangmeisu 2-30 part, trisiloxanes APEO 10-24 part, Chinese prickly ash 20-30 part, ginkgo seed coat 20-30 part, frutus cnidii 20-30 part, azedarach 10-30 part, fruit of Rangoon creeper 15-25 part, gall nut 1-15 part, ilex pubescens 5-15 part, soapberry exosper 55-60 part, fructus ulmi 10-15 part, camphor 5-15 part, semen momordicae 5-15 part, Golden Larch Bark 10-15 part, sodium humate 5-15 part, proline 10 ~ 25 parts, methionine 15 ~ 20 parts, glycine 16 ~ 23 parts, threonine 26 ~ 33 parts, tyrosinase 15-15 parts, gram line spirit 30-50 part.
2. according to the application of the suspension emulsion composition pesticide described in claim 1 in control Cereal disease.
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| CN201310247979.8A CN103315009B (en) | 2013-06-21 | 2013-06-21 | Suspoemulsion pesticide composition for controlling Rhizoctonia solani and preparation method thereof |
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| CN103609621B (en) * | 2013-10-25 | 2015-11-18 | 张绪伟 | Traditional Chinese medicine insecticidal composition |
| CN105145666A (en) * | 2015-09-17 | 2015-12-16 | 张超 | Efficient pesticide and insect-killing method thereof |
| CN106035354B (en) * | 2016-07-04 | 2018-03-30 | 佛山市盈辉作物科学有限公司 | Synergistic composition containing fluorine azoles bacterium aniline and matrine |
| CN109068630A (en) * | 2016-11-09 | 2018-12-21 | 利仁生物株式会社 | The biological pesticide composite and preparation method thereof being suspended in vegetable oil based emulsions |
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| CN1269140A (en) * | 1999-03-29 | 2000-10-11 | 黄志桂 | Composition for preventing and controlling plant diseases |
| AU2003303847A1 (en) * | 2003-01-27 | 2004-08-23 | Plant Research International B.V. | Compositions comprising lignosulfonates for improving crop yields and quality |
| CN101347116A (en) * | 2007-07-19 | 2009-01-21 | 武汉天惠生物工程有限公司 | Complex pesticide of osthole and agricultural antibiotic and uses thereof |
| CN101623011A (en) * | 2008-07-07 | 2010-01-13 | 朱绍刚 | Preparation method of plant medicament for preventing and treating rice blast |
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