CN104996439A - Pesticide composition and application thereof - Google Patents
Pesticide composition and application thereof Download PDFInfo
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- CN104996439A CN104996439A CN201510392581.2A CN201510392581A CN104996439A CN 104996439 A CN104996439 A CN 104996439A CN 201510392581 A CN201510392581 A CN 201510392581A CN 104996439 A CN104996439 A CN 104996439A
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- emamectin benzoate
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- piperazine mycin
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Abstract
The present invention discloses a pesticide composition and an application thereof and relates to the technical field of pesticide compounding. The pesticide composition disclosed by the invention comprises effective components including phenazine-1-carboxylic acid and emamectin benzoate. The weight ratio of phenazine-1-carboxylic acid to emamectin benzoate ranges from (1 to 80) to (80 to 1). The effective components A and B are compounded to have remarkable synergistic effect so that the application amount of each single dosage can be effectively reduced. The insecticidal effect is considered while the bacteriocidal effect is realized; and the pesticide composition has better effects on enlarging a bacteriocidal spectrum and an insecticidal spectrum; and the lasting period also can be prolonged and the promotion value is remarkable.
Description
Technical field
The present invention relates to a kind of composition pesticide and application thereof, refer to that a kind of active ingredient contains composition pesticide and the application thereof of Shen piperazine mycin and emamectin benzoate especially, belong to technical field of pesticide combination.
Background technology
Plant nematode can cause plurality of plant diseases.Nematode, after plant is injured in intrusion, absorb plant endotrophic and affect the growth of its normal growth, and the metabolic secretion thing of nematode also can stimulates the biological cells and tissues of host, makes plant deformity, finally causes crop failure and Quality Down.Domestic comparatively serious nemas has the root knot nematode disease, soybean cyst nematode, wheat anguina disease, sweep stem nematode, aphelenchoides besseyi disease, grain nematodosis, pine nematode, oranges and tangerines Tylenchulus Semipenetrans disease etc. of the various crop such as peanut.
Nemas (plant nematode disease) is attacked and parasitogenic plant disease by plant nematode.The plant that is injured can affect because invading nutrition in nematode absorber and grow normally; Secretion in nematode metabolism process also can stimulate the biological cells and tissues of host plant, causes plant deformity, and utilizes natural enemy control etc.Make the agricultural product underproduction and Quality Down.The comparatively serious nemas of China has the root knot nematode disease, soybean cyst nematode, wheat anguina disease, sweep stem nematode, aphelenchoides besseyi disease, grain nematodosis, pine nematode, oranges and tangerines Tylenchulus Semipenetrans disease etc. of the various crop such as peanut.Most plants nematode is caused harm the under ground portion of plant, as root, stem tuber etc., as potato root rot causes wound because Potato Rot Nemotode takes food root exactly, and make acrial part show yellow leaf, plant is short and small, malnutritive.Also have the acrial parts such as some Plant nematodes invasion and attack stem of plant, leaf, flower and fruit, the symptom of performance has wilting, withered, cauline leaf distortion, blade tip to twist with the fingers bent drying shrinkage, tikka, insect gall and corolla swelling etc.Often and nematode cause compound disease have that sickle-like bacteria, epidemic disease are mould, Verticillium dahliae and rhizoctonia etc.Nematode also can transmitted virus, and generally virus that is spherical or Polyhedral is propagated by sword nematode and minute hand nematode, colourless or milky, shaft-like or tubulose is viral, is manyly propagated by burr nematode.
Emamectin benzoate (Emamectin Benzoate) is also known as emamectin-benzoate, emamectin-benzoate is a kind of microbial source low toxicity Insecticidal and acaricidal agent, it is the high-performance bio medicament synthesized on the basis of Avermectin, there is the features such as activity is high, insecticidal spectrum is wide, compatibility good, the lasting period is long, use safety, the mode of action, based on stomach toxicity, has action of contace poison concurrently.Its insecticidal mechanism hinders pest movements neural.Not fish pond, bee farm, mulberry field and around use, liquid does not pollute the waters such as pond.Poisonous to honeybee, do not use flowering stage in fruit tree.
The current control for nematode generally adopts the method for chemical control, agriculturally substantially concentrate on the use of the agricultural chemicals such as phonamiphos, lythidathion, cadusafos, carbofuran, and these agricultural chemicals often toxicity is high, easily remain, Long-Time Service can cause very large harm to environment.Therefore, the research and development for high-efficient low toxicity insecticide become the problem being badly in need of solving in nematoda control field.
Biopesticide Shen piperazine mycin suppresses the pseudomonas fluorescens M18 of various pathogen of crop through biofermentation, cultivation and a kind of farm antibiotics secreted by having Promoting plant growth and wide spectrum, effectively can control the multiple fungal disease of the crops such as serious harm melon and fruit, vegetables, paddy rice, wheat, potato.The mechanism of action of Shen piperazine mycin mainly utilizes its redox ability, active oxygen is tired out in fungal cell's inner product, suppress the oxidative phosphorylation breathing transmission chain in mitochondria, thus the normal growth of Suppressing phytopathogens mycelia, cause mycelial fracture, swollen, distortion and cracking.Shen piperazine mycin has efficiently, wide spectrum, low toxicity, the distinguishing feature such as safe, free from environmental pollution, nuisanceless, to predator as ladybug, Chrysopa, spider and the parasite toxicity as oophagous trichogrammae, Apanteles Cypris etc. is low-risk.Shen piperazine mycin is mainly used in preventing and treating the soil-borne diseases such as fusarium wilt on the crop such as paddy rice, wheat, vegetables, blight dis-ease, epidemic disease, banded sclerotial blight, stalk break, head blight, anthracnose, gray mold, scab, leaf spot, bacterial wilt, canker, ginger plague, stripe disease and soil nematodes.Shen piperazine mycin, its structural formula is as shown in (I).
Frequent use containing single-activity component agricultural chemicals single dose, cause most germs insect to create pesticide resistance, preventive effect is unsatisfactory.Therefore, be badly in need of the Pesticidal products that a kind of novel product substitutes single-activity component, increase the resistance risk that drug effect delays damage by disease and insect, reduce economic loss.
Summary of the invention
It is reasonable that the technical problem to be solved in the present invention is to provide a kind of component, and synergistic effect is remarkable, and bactericidal and Insecticidal effect is good, and drug cost is low, not easily develops immunity to drugs, to the composition pesticide of crop safety and application thereof.
For solving the problems of the technologies described above, the invention provides technical scheme as follows:
A kind of composition pesticide of the present invention, its active ingredient contains Shen piperazine mycin and emamectin benzoate, and the weight ratio of Shen piperazine mycin and emamectin benzoate is 1:80 ~ 80:1, and being preferably weight ratio is 1:40 ~ 40:1, and more preferably weight ratio is 1:20 ~ 20:1.
Pesticidal preparations auxiliary element can also be contained, to make the formulation being applicable to agriculturally using in composition pesticide of the present invention.Described pesticidal preparations auxiliary element is one or more in solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent or wetting agent.
Composition pesticide of the present invention can be prepared into any one formulation of applicable agricultural use by known method, reasonable formulation is dry suspending agent (DF), wetting powder (WP), water dispersible granules (WDG), suspending agent (SC), oil-suspending agent, suspended emulsion, solvable pulvis, granule etc.
A wetting powder (WP) is can homodisperse solid powder preparation in water.Wetting powder of the present invention except adding as white carbon in former medicine, precipitated calcium carbonate, potter's clay, diatomite, outside the thinners such as attapulgite or inert substance, also have ionic or nonionic surface active agent (wetting agent, dispersant), wetting agent such as, alkylbenzenesulfonate (DBS-Na), alkylnaphthalene sulfonate (pulling open powder), alkylphenol-polyethenoxy base ether sulfate, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate, aliphatic alcohol sulfate, fatty alcohol ethylene oxide adduct sulfonate, alkyl amide taurate, aliphatic alcohol polyethenoxy base ether (JFC), content 0.1 ~ 30%, dispersant is as naphthalene sulfonate, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivative sulfonate (M-9, POLYFON etc.) thereof, polyoxyethylene poly-oxygen propylene aether block copolymer, alkylphenol-polyethenoxy base ether formaldehyde condensation products sulphate (SOPA), PVA, CMC content 0.1 ~ 30%, also containing one or more materials among penetrating agent JFC, azone, thiophene ketone, penetrant t, content 0.3 ~ 30%, other auxiliary agents such as stabilizing agent, foam inhibitor, anticaking agent can also be contained.
B water dispersible granules (WDG) very fast disintegration in water, dispersion can form the granule of higher suspension dispersion.By active component, the key element such as auxiliary agent and the carrier compositions such as wetting agent, dispersant, interleaving agent, disintegrant, stabilizing agent, adhesive.Its auxiliary agent and carrier, and the compound method of precursor (preformed objects before granulation) is analogous to wetting powder and suspending agent substantially.
C suspending agent (SC) is not water soluble solid agricultural chemicals or the dispersion of immiscible liquids agricultural chemicals in water or oil.Obtained through soybean dietary fiber by active component, auxiliary agent (wetting dispersing agent, thickener, stabilizing agent, pH adjusting agent, defoamer, antifreezing agent).Wetting dispersing agent can be naphthalene or alkyl naphthalene formaldehyde condensate sulfonates (NO, NN0, MF), lignin and derivative sulfonate (M-9, POLYFON etc.) thereof, alkylphenol-polyethenoxy base ether sulfonate, polyoxyethylene polyoxypropylene base ether block copolymers, one or more in alkylphenol-polyethenoxy base phosphate, carboxymethyl cellulose (CMC), polyvinylpyrrolidone (PVP), polyethylene glycol (PEG), condensed phosphate etc., content 0.1 ~ 12%; Thickener and stabilizing agent can be one or more in xanthan gum (XG), polyvinyl alcohol (PVA), Magnesiumaluminumsilicate etc., content 0.05 ~ 0.5%; PH adjusting agent and defoamer can optionally add in right amount.
D dry suspending agent (Dry Flowable, be called for short DF), be can very fast disintegration in water, dispersion formation higher suspension dispersion granule.Preparation method: the preparation obtained by the dehydration of suspending agent.Its auxiliary agent and carrier, and the compound method of precursor (preformed objects before dehydrating) is consistent with suspending agent.
Composition pesticide of the present invention is applicable to the pesticidal preparations preparing control plant pest.
This composition pesticide, is particularly useful for making the pesticidal preparations of control root-knot nematode, pine wood nematode, soybean cyst nematode Heterodera glycines, sweet potato stem nematode, aphelenchoides besseyi, beet Cyst nematode or globodera rostochiensis etc.Can be used for preventing and treating the root rot, fusarium wilt, blight dis-ease, epidemic disease, banded sclerotial blight, stalk break, head blight, anthracnose, gray mold, scab, leaf spot, bacterial wilt, canker, ginger plague, stripe disease etc. on the crops such as paddy rice, wheat, vegetables.
This composition pesticide can prevent and treat various crop as the pest on the plant such as vegetables, traditional Chinese medicine, fruit tree, cereal thing, flowers and in seed, be particularly useful for the control to plant nematode, such as root-knot nematode, pine wood nematode, packing nematode, aphelenchoides, grain nematode, Pratylenchidae etc.
Preferably this composition pesticide is used for the nematodiasis of preventing and treating vegetables (cucumber, sponge gourd, balsam pear, beans, tomato, potato etc.), wheat, barley, soybean, peanut and other crops, as root-knot nematode, pine wood nematode, soybean cyst nematode Heterodera glycines, sweet potato stem nematode, aphelenchoides besseyi, beet Cyst nematode, potato spun gold nematode etc.
Composition pesticide of the present invention can finished product preparation form provide, namely in composition pesticide, each material mixes, or the composition of composition pesticide also can provide with unit dose form, directly directly mix in bucket or tank before using, be then diluted to required concentration.
Composition pesticide of the present invention is applied to the method for prevention and elimination of disease and pests, and Shen piperazine mycin and emamectin benzoate are used with weight ratio 1:80-80:1 scope, and preferably using weight ratio is 1:40 ~ 40:1, and more preferably using weight ratio is 1:20 ~ 20:1.It is used after can mixing in proportion, use in proportion simultaneously or use successively in proportion.Concrete method of application can be powder injection process, spray-on process, smog method, fumigating system and seed treatment and soil treatment, ultra low volume spraying, mixes fertilizer, spreads fertilizer over the fields, fills with root.Control nematode is preferred ditch spread, fill with root, the soil treatment such as to spread manuer in holes or leaching root, seed soaking.
Compared with prior art, beneficial effect of the present invention is:
1, compared with single dose, composite have obvious synergistic function, improves control efficiency;
2, composition is made up of the active ingredient that two kinds of mechanism of action are different, takes into account pesticide-germicide, effective, is conducive to overcoming and delay drug-fast generation;
3, medicament mixture decreases dosage, thus reduces cost and alleviate the pollution to environment.
Instant component is reasonable, and treatment adds protective effect, and drug cost is low, and its activity and effect are not the simple superposition of each composition activity, but has significant synergistic effect, good to crop safety, meets the security requirement of pesticidal preparations.
Embodiment
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, will be described in detail with specific embodiment below, but the present invention is limited to absolutely not these examples.The following stated is only the good embodiment of the present invention, only in order to explain the present invention, therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
The combination of active principles of different agricultural chemicals is made agricultural chemicals, is current development novel pesticide and the one of preventing and treating agriculturally resistance effectively and efficiently mode.After the pestsides synthesis of different cultivars, usually show a large amount of three kinds of type of action: summation action, synergistic effect and antagonism.Compound synergic is well filled a prescription, and can significantly improve actual control efficiency, and reducing the usage amount of agricultural chemicals, thus contribute to delaying the drug-fast generation speed of germ, is the important means of integrated control disease.
The present composition with Shen piperazine mycin for a kind of active ingredient (A), emamectin benzoate is another active ingredient (B), combine between them, to plant pest, there is obvious synergistic function, and be not only the simple superposition of two kinds of pharmacy effects.
In order to prevent and treat the soybean cyst nematode in agricultural production, inventor carries out composite synergy research with Shen piperazine mycin and emamectin benzoate.
Test adopts soybean cyst nematode to be tested object.Former medicine is mixed with the test medicine of needs.
Test method: picking sporangiocyst 0.4mol/l from live body Host Soybean, chlorinated solution cleans, and is placed on the wet filter paper of culture dish, hatches at 20 DEG C-25 DEG C, obtains consistent second instar larvae in the length of time.For subsequent use.With the liquid that pipette will configure, from low concentration to high concentration, draw liquid successively, add in test tube respectively, then draw the equivalent nematode suspension 3ml prepared and add in vitro, make liquid and nematode suspension mixed in equal amounts even.Pipette the above-mentioned mixed liquor of certain volume in the aperture of porous biochemical test plate with pipettor, add a cover, with 25 DEG C of constant temperature culture 24 hours.According to test requirements document and medicament feature, can suitably shorten or the Extending culture time.Often process 4 times repeat, and establish not containing medicament process in contrast.
From each process, get 1ml mixed liquor observe nematode death condition under anatomical lens, every repeated observation nematode number should be no less than 100, the bus borer population of record investigation and verge of death borer population, and dead nematode is stiff, still can not bending motion with the touching of hair pin.The co-toxicity coefficient (CTC) >=120 of complex preparation shows as synergistic effect; CTC≤80 show as antagonism; 80 ﹤ CTC ﹤ 120 show as summation action.
Table 1 Shen piperazine mycin and the composite Toxicity Determination to soy bean cyst roundworm of emamectin benzoate
| Chemicals treatment | Proportioning | Virulence regression equation | EC50(mg/L) | Co-toxicity coefficient (CTC) |
| Shen piperazine mycin (A) | —— | Y＝0.5725+2.4166X | 67.9337 | -- |
| Emamectin benzoate (B1) | —— | Y＝5.3427+1.8737X | 0.6563 | -- |
| A:B1 | 1:80 | Y＝3.1835+1.3546X | 21.9306 | 136.39 |
| A:B1 | 1:40 | Y＝3.1673+1.6024x | 13.9222 | 139.36 |
| A:B1 | 1:35 | Y＝3.1603+1.6719x | 12.5989 | 140.06 |
| A:B1 | 1:25 | Y＝3.3890+1.6636x | 9.2971 | 147.70 |
| A:B1 | 1:20 | Y＝3.4995+1.6832x | 7.7878 | 148.36 |
| A:B1 | 1:6 | Y＝4.4860+1.2557x | 2.5666 | 169.14 |
| A:B1 | 1:1 | Y＝5.1417+1.0177x | 0.7258 | 179.12 |
| A:B1 | 6:1 | Y＝5.3051+0.9909X | 0.4921 | 155.33 |
| A:B1 | 20:1 | Y＝5.3127+1.0167X | 0.4926 | 139.83 |
| A:B1 | 25:1 | Y＝5.3066+1.0124X | 0.4979 | 137.03 |
| A:B1 | 35:1 | Y＝5.2868+0.9366X | 0.4941 | 136.59 |
| A:B1 | 39:1 | Y＝5.2342+0.7838X | 0.4903 | 133.92 |
| A:B1 | 80:1 | Y＝5.2090+0.7739X | 0.5369 | 123.75 |
Inventor finds, within the scope of weight ratio 1:80-80:1, particularly within the scope of 1:40-40:1 through test, especially within the scope of 1:20-20:1, Shen piperazine mycin and emamectin benzoate composite, have obvious synergistic effect to soybean cyst nematode, control efficiency is excellent and be better than single dose kind.To the effect that plant pest has obvious synergistic effect similar.
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, within the scope of weight ratio 1:80 ~ 80:1, building Shen piperazine mycin and the composite embodiment of emamectin benzoate, be described in detail, but the present invention being limited to absolutely not these examples.
In addition, inventor also found through experiments, the composite effect of Shen piperazine mycin and emamectin benzoate, is better than the composite effect of other antibiotics bactericide and emamectin benzoate, is also better than the composite effect of Shen piperazine mycin and Avermectin.In order to this problem is clearly described, within the scope of weight ratio 1:80 ~ 80:1, build other antibiotics bactericide and emamectin benzoate is composite, Shen piperazine mycin and abamectin compounded comparative example, be described in detail.But because length is limited, representative several comparative examples can only be enumerated.It should be pointed out that and be not only confined in limited comparative example.
Composition pesticide of the present invention can be prepared into any one formulation of applicable agricultural use by known method, reasonable formulation is wetting powder, aqueous suspension agent, oil-suspending agent, suspended emulsion, dry suspending agent, water dispersible granules, microemulsion, aqueous emulsion, granule.In all formulas, percentage is all weight percentage.The processing technology of the various formulation of the present composition is prior art, can change to some extent according to different situations.
Embodiment 1:16.2% Shen piperazine mycin emamectin benzoate wettable powder (1:80)
Component: Shen piperazine mycin 0.2%, emamectin benzoate 16%, polycarboxylic acids sodium 3%, neopelex 3%, sodium lignin sulfonate 5%, white carbon 8%, kaolin complements to 100%.
Preparation method: each component mixed, first through mechanical crushing, then after air-flow crushing, mixes, and can obtain 16.2% Shen piperazine mycin emamectin benzoate wettable powder.
Comparative example 1:16.2% Shen piperazine mycin Avermectin wetting powder (1:80)
Component: Shen piperazine mycin 0.2%, Avermectin 16%, polycarboxylic acids sodium 3%, neopelex 3%, sodium lignin sulfonate 5%, white carbon 8%, kaolin complements to 100%.
Preparation method: the same.
Embodiment 2:16.2% Shen piperazine mycin emamectin benzoate granule (1:53)
Component: Shen piperazine mycin 0.3%, emamectin benzoate 15.9%, lauryl sodium sulfate 3%, sodium lignin sulfonate 8%, diatomite complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then after air-flow crushing, mixes, then through non-slurry pelletizing, can obtain 16.2% Shen piperazine mycin emamectin benzoate granule.
Embodiment 3:20.5% Shen piperazine mycin emamectin benzoate water dispersible granule (1:40)
Component: Shen piperazine mycin 0.5%, emamectin benzoate 20%, polycarboxylic acids sodium 6%, lignin sodium naphthalene sulfonate 8%, anhydrous sodium sulfate 8%, kaolin supplies 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then dries through wet granulation, can obtain 20.5% Shen piperazine mycin emamectin benzoate water dispersible granule.
Comparative example 2:20.5% Shen piperazine mycin Avermectin water dispersible granules (1:40)
Component: Shen piperazine mycin 0.5%, Avermectin 20%, polycarboxylic acids sodium 6%, lignin sodium naphthalene sulfonate 8%, anhydrous sodium sulfate 8%, kaolin supplies 100%.
Preparation method: the same.
Embodiment 4:17% Shen piperazine mycin emamectin benzoate wettable powder (1:33)
Component: Shen piperazine mycin 0.5%, emamectin benzoate 16.5%, lauryl sodium sulfate 4%, lignin sodium naphthalene sulfonate 5%, white carbon 8%, talcum powder complements to 100%.
Preparation method: each component mixed, first through mechanical crushing, then after air-flow crushing, mixes, and can obtain 17% Shen piperazine mycin emamectin benzoate wettable powder.
Embodiment 5:21% Shen piperazine mycin emamectin benzoate dry suspending agent (1:20)
Component: Shen piperazine mycin 1%, emamectin benzoate 20%, polycarboxylic acids sodium 3%, sodium lignin sulfonate 12%, silicone defoaming agent 0.4%, Sodium Benzoate 0.1%, white carbon 8%, kaolin complements to 100%.Soft water 150-200%.
Preparation method: the water adding 1.5-2.0 times of Formulation amounts, each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, dehydrate and can obtain 25% Shen piperazine mycin emamectin benzoate dry suspending agent.
Comparative example 3:21% Shen piperazine mycin Avermectin dry suspending agent (1:20)
Component: Shen piperazine mycin 1%, Avermectin 20%, polycarboxylic acids sodium 3%, sodium lignin sulfonate 12%, silicone defoaming agent 0.4%, Sodium Benzoate 0.1%, white carbon 8%, kaolin complements to 100%.Soft water 150-200%.
Preparation method: the same.
Embodiment 6:7% Shen piperazine mycin emamectin benzoate suspending agent (1:6)
Component: Shen piperazine mycin 1%, emamectin benzoate 6%, fatty alcohol-polyoxyethylene ether 3%, polycarboxylic acids sodium 3%, ethylene glycol 6%, XG0.35%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, 7% Shen piperazine mycin emamectin benzoate suspending agent can be obtained.
Embodiment 7:10% Shen piperazine mycin emamectin benzoate granule (1:1)
Component: Shen piperazine mycin 5%, emamectin benzoate 5%, lauryl sodium sulfate 3%, sodium lignin sulfonate 10%, anhydrous sodium sulfate 10%, diatomite complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then through non-slurry pelletizing, can obtain 10% Shen piperazine mycin emamectin benzoate granule.
Comparative example 4:10% Shen piperazine mycin Abamectin (1:1)
Component: Shen piperazine mycin 5%, Avermectin 5%, lauryl sodium sulfate 3%, sodium lignin sulfonate 10%, anhydrous sodium sulfate 10%, diatomite complements to 100%.
Preparation method: the same.
Comparative example 5:10% jinggangmeisu emamectin benzoate granule (1:1)
Component: jinggangmeisu 5%, emamectin benzoate 5%, lauryl sodium sulfate 3%, sodium lignin sulfonate 10%, anhydrous sodium sulfate 10%, diatomite complements to 100%.
Preparation method: the same.
Embodiment 8:15% Shen piperazine mycin emamectin benzoate suspending agent (6.5:1)
Component: Shen piperazine mycin 13%, emamectin benzoate 2%, polycarboxylic acids sodium 4%, OPEO sodium sulfonate 3%, ethylene glycol 6%, XG0.32%, silicone defoaming agent 0.2%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: each component is mixed, mixes through high speed shear, then by sand mill sand milling 2-3 hour, make average grain diameter reach 1-5 micron, 15% Shen piperazine mycin emamectin benzoate suspending agent can be obtained.
Embodiment 9:10.5% Shen piperazine mycin emamectin benzoate suspended emulsion (20:1)
Component: Shen piperazine mycin 10%, emamectin benzoate 0.5%, isophorone 6%, castor oil polyoxyethylene ether 2%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, OPEO sodium sulfonate 3%, 1,2-PD 6%, XG 0.32%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: emamectin benzoate and isophorone, castor oil polyoxyethylene ether mixed dissolution is for subsequent use, all the other components mix, mix through high speed shear, again by sand mill sand milling 2-3 hour, average grain diameter is made to reach 1-5 micron, again emamectin benzoate isophorone solution is poured into shear-mixed even, 10.5% Shen piperazine mycin emamectin benzoate suspended emulsion can be obtained.
Comparative example 6:10.5% Shen piperazine mycin Avermectin suspended emulsion (20:1)
Component: Shen piperazine mycin 10%, Avermectin 0.5%, isophorone 6%, castor oil polyoxyethylene ether 2%, acrylic acid-acrylic acid hydroxypropyl acrylate copolymer 3%, OPEO sodium sulfonate 3%, 1,2-PD 6%, XG 0.32%, Sodium Benzoate 0.4%, soft water complements to 100%.
Preparation method: the same.
Embodiment 10:14.5% Shen piperazine mycin emamectin benzoate wettable powder (28:1)
Component: Shen piperazine mycin 14%, emamectin benzoate 0.5%, neopelex 4%, polycarboxylic acids sodium 4%, white carbon 8%, precipitated calcium carbonate complements to 100%.
Preparation method: each component mixed, first through mechanical crushing, then after air-flow crushing, mixes, and can obtain 14.5% Shen piperazine mycin emamectin benzoate wettable powder.
Embodiment 11:28.7% Shen piperazine mycin emamectin benzoate granule (40:1)
Component: Shen piperazine mycin 28%, emamectin benzoate 0.7%, sodium lignin sulfonate 8%, lignin sodium naphthalene sulfonate 6%, silicone defoaming agent 0.2%, diatomite complements to 100%.Soft water 100%.
Preparation method: the water adding 1 times of Formulation amount, mixes each component, mixes through high speed shear, then by sand mill sand milling 2-3 hour, makes average grain diameter reach 1-5 micron, dehydrate granulation, can obtain 28.7% Shen piperazine mycin emamectin benzoate granule.
Comparative example 7:28.7% Shen piperazine mycin Abamectin (40:1)
Component: Shen piperazine mycin 28%, Avermectin 0.7%, sodium lignin sulfonate 8%, lignin sodium naphthalene sulfonate 6%, silicone defoaming agent 0.2%, diatomite complements to 100%.Soft water 100%.
Preparation method: the same.
Embodiment 12:32.4% Shen piperazine mycin emamectin benzoate granule (80:1)
Component: Shen piperazine mycin 32%, emamectin benzoate 0.4%, polycarboxylic acids sodium 5%, sodium lignin sulfonate 8%, potassium humate 8%, anhydrous sodium sulfate 15%, diatomite complements to 100%.
Preparation method: each component mixed, through mechanical crushing, then through air-flow crushing, mixes, then through non-slurry pelletizing, can obtain 32.4% Shen piperazine mycin emamectin benzoate granule.
Comparative example 8:32.4% Shen piperazine mycin Abamectin (80:1)
Component: Shen piperazine mycin 32%, Avermectin 0.4%, polycarboxylic acids sodium 5%, sodium lignin sulfonate 8%, potassium humate 8%, anhydrous sodium sulfate 15%, diatomite complements to 100%.
Preparation method: the same.
The pesticidal preparations control balsampear root Root-knot obtained by above-described embodiment, comparative example, the test of wheat Cyst nematode.
1, test process: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).This test medicine consumption establishes three concentration for the treatment of respectively according to the difference of each composition, and contrast medicament is commercially available agricultural chemicals 3.4% emamectin benzoate missible oil, 1% Shen piperazine mycin SC and blank clean water experiment respectively.
2, test method: each plot area is 50m
2, repeat 4 times, the inspection drug effect method before dispenser after Investigation and Prevention is: with blank incidence classification investigation, every community diagonal samples, and often clicks 10 strains, records total strain number, diseased plant number and sick progression.
Table 2 Shen piperazine mycin and the composite field trial to balsampear root Root-knot of emamectin benzoate measure
Field efficacy result shows, within the scope of weight ratio 1:80-80:1, particularly within the scope of 1:40-40:1, especially within the scope of 1:20-20:1 Shen piperazine mycin and emamectin benzoate Complex synergism obvious, also have excellent control efficiency to balsampear root Root-knot, control efficiency is better than the single dose kind of contrast.
Table 3 embodiment compares with the control efficiency of comparative example to wheat Cyst nematode
Inventor find Shen piperazine mycin and Avermectin, other antibiotics bactericide and emamectin benzoate composite, within the scope of weight ratio 1:80-80:1, also there is certain Complex synergism.Because length limit, do not enumerate, only carry out preventive effect contrast with the representational comparative example of most and embodiment, as table 3 field efficacy result shows, within the scope of weight ratio 1:80-80:1, Shen piperazine mycin and emamectin benzoate Complex synergism are obvious, are better than other antibiotics bactericide and emamectin benzoate is composite, Shen piperazine mycin and abamectin compounded control efficiency.Particularly within the scope of 1:40-40:1, especially within the scope of 1:20-20:1, to the control efficiency of plant disease, Shen piperazine mycin and emamectin benzoate Complex synergism are obvious, are better than other antibiotics bactericide and emamectin benzoate is composite, Shen piperazine mycin and abamectin compounded control efficiency.
Root rot test is prevented and treated with the pesticidal preparations that above-described embodiment, comparative example obtain.
1, test process: test is carried out with reference to People's Republic of China's standard (pesticide field efficacy medicine test criterion).This test medicine consumption establishes three concentration for the treatment of respectively according to the difference of each composition, and contrast medicament is commercially available agricultural chemicals 3.4% emamectin benzoate missible oil, 1% Shen piperazine mycin SC and blank clean water experiment respectively.
2, test method: each plot area is 50m
2, repeat 4 times, the inspection drug effect method before dispenser after Investigation and Prevention is: with blank incidence classification investigation, every community diagonal samples, and often clicks 10 strains, records total strain number, diseased plant number and sick progression.
Root rot field investigation grade scale:
0 grade: plants stems base portion and main root are all without scab.
1 grade: basal part of stem and main root have a small amount of scab.
3 grades: on basal part of stem or main root, scab is comparatively large, and lesion area accounts for 1/1/4th ~ bis-of stem and the root gross area;
5 grades: on basal part of stem and main root, scab is comparatively large, and lesion area accounts for 3/1/2nd ~ tetra-of stem and the root gross area;
7 grades: on basal part of stem or main root, scab in flakes, formed around stem phenomenon, but root system is not dead;
9 grades: root system is downright bad, plant above ground portion wilts or death.
Table 4 Shen piperazine mycin and the composite field trial to root rot of emamectin benzoate measure
Field efficacy result shows, within the scope of weight ratio 1:80-80:1, particularly within the scope of 1:40-40:1, especially within the scope of 1:20-20:1, obviously, have excellent control efficiency to root rot, control efficiency is better than single dose kind for Shen piperazine mycin and emamectin benzoate Complex synergism.
Table 5 embodiment compares watermelon blight control efficiency with comparative example
Inventor find Shen piperazine mycin and Avermectin, other antibiotics bactericide and emamectin benzoate composite, within the scope of weight ratio 1:80-80:1, also there is certain Complex synergism.Because length limit, do not enumerate, only carry out preventive effect contrast with the representational comparative example of most and embodiment, as table 5 field efficacy result shows, within the scope of weight ratio 1:80-80:1, Shen piperazine mycin and emamectin benzoate Complex synergism are obvious, are better than other antibiotics bactericide and emamectin benzoate is composite, the control efficiency of Shen piperazine mycin and Avermectin.Particularly within the scope of 1:40-40:1, especially within the scope of 1:20-20:1, to the control efficiency of plant disease, Shen piperazine mycin and emamectin benzoate Complex synergism are obvious, are better than other antibiotics bactericide and emamectin benzoate is composite, Shen piperazine mycin and abamectin compounded control efficiency.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a composition pesticide, is characterized in that, active ingredient contains Shen piperazine mycin and emamectin benzoate, and the weight ratio of described Shen piperazine mycin and emamectin benzoate is 1:80 ~ 80:1.
2. composition pesticide according to claim 1, is characterized in that, the weight ratio of described Shen piperazine mycin and emamectin benzoate is 1:40 ~ 40:1.
3. composition pesticide according to claim 2, is characterized in that, the weight ratio of described Shen piperazine mycin and emamectin benzoate is 1:20 ~ 20:1.
4. according to described composition pesticide arbitrary in claims 1 to 3, it is characterized in that, also containing pesticidal preparations auxiliary element in described composition pesticide, to make the formulation being applicable to agriculturally using.
5. composition pesticide according to claim 4, is characterized in that, described pesticidal preparations auxiliary element is one or more in solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent or wetting agent.
6. composition pesticide according to claim 4, is characterized in that, the formulation of described composition pesticide is suspending agent, suspended emulsion, dry suspending agent, water dispersible granules, wetting powder or granule.
7. the application of the arbitrary described composition pesticide of claim 1 to 6 in the pesticidal preparations preparing controlling plant diseases and insect pest.
8. the application of composition pesticide according to claim 7, it is characterized in that, for the preparation of the pesticidal preparations of control root-knot nematode, pine wood nematode, soybean cyst nematode Heterodera glycines, sweet potato stem nematode, aphelenchoides besseyi, beet Cyst nematode, globodera rostochiensis, root rot or potato wilt.
9. the application method of the composition pesticide described in claim 1 to 6, is characterized in that, active principle Shen piperazine mycin and emamectin benzoate are used with above-mentioned weight ratio, and it is used after mixing in proportion, use in proportion simultaneously or use successively in proportion.
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| CN111345307B (en) * | 2020-02-25 | 2021-09-28 | 安徽省农业科学院植物保护与农产品质量安全研究所 | Seed coating agent for preventing and treating phytophthora sojae root rot |
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