CN102326578B - Pesticide composition and preparation thereof - Google Patents
Pesticide composition and preparation thereof Download PDFInfo
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- CN102326578B CN102326578B CN201110306640.1A CN201110306640A CN102326578B CN 102326578 B CN102326578 B CN 102326578B CN 201110306640 A CN201110306640 A CN 201110306640A CN 102326578 B CN102326578 B CN 102326578B
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Abstract
The invention relates to the field of pesticide preparations, and discloses a pesticide composition and the preparation thereof. The pesticide composition provided by the invention consists of diflufenican and thiamethoxam the mass ratio of which is (2-20):(5-30). A suspension seed dressing provided by the invention comprises: 2-20% of diflufenican, 5-30% of thiamethoxam, 1-8% of wetting dispersion agent, 0.5-10% of film-forming agent, 1-10% of coloring agent, 0.1-2% of thickening agent, 1-5% of anti-freezing agent, 0.1-1% of antiseptic agent, 0.1-1% of defoaming agent, and the balance of distilled water. According to the invention, the complex diflufenican and thiamethoxam acts as the active ingredient of the suspension seed dressing, the advantages of diflufenican and thiamethoxam are complementary, the insect prevention spectrum of the medicaments can be expanded, the pesticide effect is improved simultaneously, multiple insect damages can be prevented and treated by medicament use once, the using amount, types and times of the pesticide are reduced, and the pesticide composition and the preparation can be widely used in the agricultural filed.
Description
Technical field
The present invention relates to pesticidal preparations field, relate to specifically a kind of Pesticidal combination and preparation thereof.
Background technology
In modern agricultural production, utilize seed coat agent to seed carry out that chemicals treatment is that control soil insect and crops soil passes, one of the method for the economical and convenient of seed-borne disease.Seed coat agent be a kind of for crop or other plant seed treatment, there is the pesticidal preparations of film forming characteristics, it can solidify to form the film that is called kind of clothing at the surface of the seed.Seed coat agent imbibition and not dissolved in soil, allow normal required moisture and the air that germinate of seed to pass through, the materials such as contained agricultural chemicals and seed manure slowly discharge, can kill soil insect, seedling stage insect, there is control sprout term disease and systemic disease, improve percentage of seedgermination, promote the effects such as seedling healthy growth.
Suspension seed-coating agent is a kind of of seed coat agent, is a kind of flowable stable unit for uniform suspension of being made through wet pulverizing by pesticide original medicine, film forming agent, wetting agent, dispersant, thickener, colouring agent, filler and water.Because it is easy to use, safe, in the seed coat agent of numerous kinds, gain great popularity.
Diacloden is a kind of nicotinoids high-efficient low toxicity insecticide, is used as seed coat agent and prevents and treats kind of a biography insect pest, insect is had stomach toxicity, is tagged and systemic activity, for foliar spray and soil root irrigation.After its dispenser, rapidly by interior suction, and be transmitted to each position of plant, sucking pest is had to good preventive effect as aphid, plant hopper, aleyrodid etc.But Diacloden is as invalid in wireworm for part coleopteran pest, simultaneously as poor in the preventive effect of leafhopper to some homoptera pests.
Ethiprole is a kind of Phenylpyrazole insecticides, can be used for seed treatment and can carry out foliar spray again, insecticidal spectrum is wide, insect be take to stomach poison function as main, have concurrently and tag and certain systemic action, it imposes on soil effectively chrysomelid, the wireworm of control of maize root and cutworm, but poor to plant hopper and aleyrodid preventive effect.
Due to above problem, crop seeds needs multiple insecticide to process, and this has just increased the risk of antagonism between various insecticides, therefore provides a kind of suspension seed-coating agent efficient, wide spectrum significant.
Summary of the invention
In view of this, the object of the invention is to provide a kind of Pesticidal combination and preparation thereof, make the multiple insect pests such as this suspension seed-coating agent can be prevented eliminating aphis simultaneously, plant hopper, aleyrodid, wireworm, leafhopper, and guarantee that each active component of this suspension seed-coating agent is without antagonism, there is higher preventive effect.
For realizing object of the present invention, the present invention adopts following technical scheme:
, by ethiprole and Diacloden, being formed, the mass ratio of described ethiprole and Diacloden is 2-20: 5-30, as preferably, the mass ratio of described ethiprole and Diacloden is 5-15: 10-25.
The present invention also provides a kind of suspension seed-coating agent, be calculated in mass percent, comprise 2-20% ethiprole, 5-30% Diacloden, 1-8% wetting dispersing agent, 0.5-10% film forming agent, 1-10% colouring agent, 0.1-2% thickener, 1-5% antifreezing agent, 0.1-1% preservative, 0.1-1% defoamer, surplus is distilled water.
Wherein, described ethiprole mass percent is preferably 5-15%, and described Diacloden mass percent is preferably 10-25%.
The anabasine insecticide of Diacloden Shi You Novartis Co.,Ltd exploitation, its mechanism of action is similar to Imidacloprid, alternative inhibition insect central nervous system nicotinic acid nAChR ligands, and then the normal conduction of blocking-up insect central nervous system, dead while causing insect to occur paralysis machine.Diacloden not only have tag, stomach toxicity, systemic activity, and there is higher activity, better safety, wider insecticidal spectrum and the feature such as speed of action is fast, the lasting period is long, be the better kind that replaces those are high to mammalian toxicity, have residual and environmental problem organic phosphor, carbamate, organochlorine insecticides.Can effectively prevent and treat the insect that the insects such as various aphids, plant hopper, aleyrodid, chafer larva, colorado potato beetle, nematode, ground beetle, leaf miner and knot polytype chemical pesticide produce resistance.With Imidacloprid, Acetamiprid, Nitenpyram without cross resistance.Both can be used for cauline leaf processing, seed treatment, also can be used for soil treatment.Suitable crop is rice class crop, beet, rape, potato, cotton, Kidney bean, fruit tree, peanut, sunflower, soybean, tobacco and citrus etc.
Ethiprole belongs to Phenylpyrazole insecticides, have tag, stomach toxicity and moderate systemic action.Insecticidal spectrum is wide, is mainly to hinder the fluoride metabolism that insect γ-aminobutyric acid is controlled, and main controlling object comprises the insects such as aphid, leafhopper, lepidopterous larvae, fly class and coleoptera, has very high insecticidal activity.
In order to promote that between particles of active components, wetting dispersion prevents its phase inter coagulation, suspension seed-coating agent of the present invention also comprises wetting dispersing agent, described wetting dispersing agent is preferably fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene fatty acid, alkylaryl polyglycol ether, alkylsulfonate, arylsulphonate, fatty acid polyglycol ethylene glycol, dodecyl benzene sulfonate, polyoxyethylene groups phenol formaldehyde condensate, polyoxyethylene poly-oxygen propylene aether block copolymer, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates, aliphatic alcohol polyoxyethylene sulfonate, alkylphenol polyoxyethylene sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane additive product phosphate, alkylphenol polyoxyethylene phosphate, one or more in alkylphenol polyoxyethylene formaldehyde condensation products sulphate.
In order to guarantee that limited farm chemical ingredients is concentrated, act on seed and root, difficult drop-off and dispersing, has reduced diffusion and the contact to non-target of agricultural chemicals in environment, and described suspension seed-coating agent also needs to comprise film forming agent.Described film forming agent should guarantee that institute's ready-made clothes film is ventilative, good water permeability, and normal seed germination growth, guarantees that institute's ready-made clothes film is insoluble in water again, and in clothing film, active component can slowly discharge, and efficiency time is long.According to film forming agent of the present invention, be preferably one or more in gum Arabic, animal glue, pectin, xanthans, methylcellulose, ethyl cellulose, sodium carboxymethylcellulose, hydroxypropyl cellulose, sodium alginate, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate.
Colouring agent claims again alert toner, can improve the use safety of suspension seed-coating agent, wherein, described colouring agent is preferably one or more in basic rhodamine, water-based rhodo, acid scarlet, Fluorescein red 5B, Red-8110, Red-131, FGR-131.
Suspension seed-coating agent of the present invention also comprises thickener, to improve the viscosity of dispersion medium, reduces the settling velocity of particle, thereby improves the stability of preparation.Preferably, described tackifier is one or more in xanthans, gum Arabic, methylcellulose, carboxymethyl cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, PAA, sodium alginate, polyvinyl alcohol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate, aluminium-magnesium silicate, bentonite.
In order to improve the stability of the low-temperature storage of seed coat agent, suspension seed-coating agent of the present invention has also added antifreezing agent.Preferably, described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride, calcium chloride.
As preferably, defoamer of the present invention is machine silicone, C
8-10fatty alcohol, C
10-20saturated fatty acid and one or more in ester class thereof;
For the ease of medicament storage, the present invention also comprises preservative, described preservative is preferably benzoic acid, benzaldehyde, Sodium Benzoate, Potassium Benzoate, sorbic acid, sodium salicylate, 2-xenol, parahydroxyben-zaldehyde, 1, one or more in 2-[4-morpholinodithio quinoline-3-ketone.
The preparation method of suspension seed-coating agent of the present invention is: by ethiprole and Diacloden process air-flow crushing, after wetting dispersing agent, film forming agent, colouring agent, thickener, antifreezing agent, preservative, defoamer and distilled water dissolve completely, drop in proportion sand mill and grind 2 times, until the grain fineness of suspension reaches D
50for 2-3 μ m, D
90< 8 μ m, obtain product.In actual medication process, the present invention can according to local controlling object, a situation arises determines the suitable consumption of described suspension seed-coating agent, and formulation rate is that the mass ratio of seed coat agent and seed is 1 conventionally: 30-60.
The prepared suspension seed-coating agent of the present invention is light yellow flowable suspension, and low temperature, heat storage stability are qualified, and heat storage resolution ratio is less than 5%, and suspensibility is greater than 90%, and wet screening test 98% is by 45 μ m standard screens, grain fineness D
50for 2-3 μ m.
Different seed coat agent active components is mixed rear each active component due to the difference of composition, structure, physicochemical property, makes the synergy between each active component be typically expressed as synergistic effect, summation action or antagonism.So-called synergistic effect is exactly the mutual synergism between different material, and the effect of its generation is greater than the sum total of each composition effect; And the effect that summation action is exactly its generation equals the sum total of each composition effect; Antagonism refers to that when two kinds of materials act on living organism, a kind of material disturbs the effect of another kind of material, or the effect of interfering with an opponent each other, the phenomenon that general effect is declined.
The present invention, according to Sun Yunpei (Sun Y-P) method, calculates co-toxicity coefficient and evaluates ethiprole effect mixed with Diacloden, and result shows that co-toxicity coefficient is all greater than 120, shows that the mixing use of the two has notable synergistic effect.
In addition, the present invention is with ethiprole proportionings different from Diacloden, respectively each active component single dose in described suspension seed-coating agent and suspension seed-coating agent has been carried out to pest control test, and in suspension seed-coating agent, each active component consumption is less than single dose consumption, result shows, the preventive effect of suspension seed-coating agent of the present invention is higher than the preventive effect of single dose, shows that in suspension seed-coating agent of the present invention, each active component is without cross tolerance, and control efficiency has synergistic effect.
From above technical scheme, suspension seed-coating agent of the present invention is usingd ethiprole and Thiamethoxam compound as active ingredient, the two mutual supplement with each other's advantages, can expand the insect protected spectrum of medicament, improve drug effect simultaneously, a drug can be prevented and treated multiple insect pest, has reduced the usage amount of agricultural chemicals and has used kind, number of times, can be widely used in agriculture field.
Embodiment
The embodiment of the invention discloses a kind of suspension seed-coating agent.Those skilled in the art can use for reference content herein, suitably improve technological parameter and realize.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they are all deemed to be included in the present invention.Product of the present invention is described by preferred embodiment, and related personnel obviously can change product as herein described or suitably change and combination within not departing from content of the present invention, spirit and scope, realizes and apply the technology of the present invention.
In order further to understand the present invention, below in conjunction with embodiment, a kind of suspension seed-coating agent provided by the invention is elaborated.
Embodiment 1: diseases control test
Test in Zhengzhou, henan one peasant household's wheat paddock and carry out, it is the composite seed coat agent of active component that suspension seed-coating agent be take ethiprole and Diacloden, single dose is respectively ethiprole suspension seed-coating agent and Diacloden suspension seed-coating agent, each suspension seed-coating agent test seed and experimental enviroment are all identical, test processing and formulation rate are in Table 1, and control efficiency is in Table 2.
Table 1 test is processed and formulation rate
| Process | Reagent agent | Amount of application (active component/100kg seed) |
| 1 | Ethiprole | 32g |
| 2 | Diacloden | 210g |
| 3 | Ethiprole+Diacloden | 20g+70g |
| 4 | Ethiprole+Diacloden | 25g+100g |
| 5 | Ethiprole+Diacloden | 25g+150g |
| 6 | Ethiprole+Diacloden | 25g+180g |
| 7 | Ethiprole+Diacloden | 28g+180g |
| 8 | Ethiprole+Diacloden | 28g+210g |
| 9 | Ethiprole+Diacloden | 32g+100g |
| 10 | Clear water |
Wherein, computing formula is as follows:
Insect population decline rate=[the worm amount of living before (the worm amount of living after the worm amount-medicine of living before medicine) ÷ medicine] * 100%
Preventive effect=[(applying area insect population decline rate-check plot insect population decline rate) ÷ (1-check plot insect population decline rate)] * 100%
Table 2 pest control effect (%)
| Process | Wireworm | Leafhopper | Aphid | Plant hopper | Aleyrodid |
| 1 | 80.1 | 81.4 | 72.5 | 61.8 | 45.5 |
| 2 | 0 | 62.5 | 73.5 | 81.6 | 81.3 |
| 3 | 82.7 | 82.8 | 75 | 82.9 | 83.1 |
| 4 | 82.2 | 82.5 | 80.3 | 83.5 | 82.7 |
| 5 | 83.1 | 83.2 | 83.5 | 83.2 | 82.8 |
| 6 | 83.2 | 85.3 | 85.2 | 84 | 83.2 |
| 7 | 85.6 | 86.1 | 87.2 | 84.5 | 83.8 |
| 8 | 86.2 | 87.4 | 89.2 | 86.2 | 85.1 |
| 9 | 86.5 | 87.8 | 90 | 82.2 | 81.5 |
| 10 | 0 | 0 | 0 | 0 | 0 |
As seen from the results in Table 2, the consumption of suspension seed-coating agent active ingredient ethiprole of the present invention and Diacloden is compared minimizing with each composition single dose, but preventive effect when preventive effect is used higher than each composition single dose, particularly for the synergistic effect of wireworm, this synergy result is not to obtain because another added active component directly acts on insect pest, but due to two kinds of composite rear interactions of active component, strengthened the effect of pest control each other.This shows in suspension seed-coating agent of the present invention that two kinds of active components are without antagonism, and has improved preventive effect, has reduced dosage and types of medicines, number of times, can prevent eliminating aphis, the multiple insect pest such as plant hopper, aleyrodid, wireworm, leafhopper simultaneously.
Embodiment 2:10% ethiprole Diacloden suspension seed-coating agent (being mass fraction)
Ethiprole 3.0%, Diacloden 7.0%, YUS-FS30003.0%, YUS-TXC 1.0%, PICO-NW11.0%, ethylene glycol 5.0%, PVA 17-884.0%, xanthans 0.2%, defoamer 0.3%, Sodium Benzoate 0.3%, basic rhodamine 1.0%, distilled water adds to 100%.
YUS-FS3000, YUS-TXC, PICO-NW1 dissolve completely with distilled water, then add successively ethiprole, Diacloden active ingredient through air-flow crushing, and other auxiliary agent, enter sand mill and grind 2 times, until the grain fineness of suspension reaches D
50for 2-3 μ m, D
90< 8 μ m obtain product.
Suspension seed-coating agent prepared by the present embodiment and the contrast of each single dose, take each active component consumption is criterion calculation, at each active component consumption of suspension seed-coating agent of the present invention, be less than or equal under the prerequisite of each single dose active component consumption, the preventive effect of suspension seed-coating agent of the present invention is higher than the preventive effect of single dose, and increased insect protected spectrum.
Embodiment 3:20% ethiprole Diacloden suspension seed-coating agent (being mass fraction)
Ethiprole 5.0%, Diacloden 15.0%, DA-6752.5%, DA-6462.5%, defoamer 0.3%, xanthans 0.2%, Sodium Benzoate 0.1%, PVP-K303%, FGR-1312%, distilled water adds to 100%.
By ethiprole and Diacloden process air-flow crushing, after wetting dispersing agent, film forming agent, colouring agent, thickener, antifreezing agent, preservative, defoamer and water dissolve completely, drop in proportion sand mill and grind 2 times, until the grain fineness of suspension reaches D
50for 2-3 μ m, D
90< 8 μ m, obtain product.
Suspension seed-coating agent prepared by the present embodiment and the contrast of each single dose, take each active component consumption is criterion calculation, at each active component consumption of suspension seed-coating agent of the present invention, be less than or equal under the prerequisite of each single dose active component consumption, the preventive effect of suspension seed-coating agent of the present invention is higher than the preventive effect of single dose, and increased insect protected spectrum.
Embodiment 4:30% ethiprole Diacloden suspension seed-coating agent (being mass fraction)
Ethiprole 10.0%, Diacloden 20.0%, YUS-FS30005.0%, YUS-TXC 2.0%, PICO-NW11.0%, ethylene glycol 5.0%, PVA 17-887.0%, xanthans 0.2%, defoamer 0.3%, Sodium Benzoate 0.3%, basic rhodamine 4.0%, distilled water adds to 100%.
YUS-FS3000, YUS-TXC, PICO-NW1 dissolve completely with distilled water, then add successively ethiprole, Diacloden active ingredient through air-flow crushing, and other auxiliary agent, enter sand mill and grind 2 times, until the grain fineness of suspension reaches D
50for 2-3 μ m, D
90< 8 μ m obtain product.
Suspension seed-coating agent prepared by the present embodiment and the contrast of each single dose, take each active component consumption is criterion calculation, at each active component consumption of suspension seed-coating agent of the present invention, be less than or equal under the prerequisite of each single dose active component consumption, the preventive effect of suspension seed-coating agent of the present invention is higher than the preventive effect of single dose, and increased insect protected spectrum.
Embodiment 5:40% ethiprole Diacloden suspension seed-coating agent (being mass fraction)
Ethiprole 15.0%, Diacloden 25.0%, sodium lignin sulfonate 2.0%, polyoxyethylene poly-oxygen propylene aether block copolymer 4.0%, PVA 17-887.0%, xanthans 0.2%, defoamer 0.3%, Sodium Benzoate 0.3%, basic rhodamine 6.0%, distilled water adds to 100%
By ethiprole and Diacloden process air-flow crushing, after wetting dispersing agent, film forming agent, colouring agent, thickener, antifreezing agent, preservative, defoamer and water dissolve completely, drop in proportion sand mill and grind 2 times, until the grain fineness of suspension reaches D
50for 2-3 μ m, D
90< 8 μ m, obtain product.
Suspension seed-coating agent prepared by the present embodiment and the contrast of each single dose, take each active component consumption is criterion calculation, at each active component consumption of suspension seed-coating agent of the present invention, be less than or equal under the prerequisite of each single dose active component consumption, the preventive effect of suspension seed-coating agent of the present invention is higher than the preventive effect of single dose, and increased insect protected spectrum.
Embodiment 6:50% ethiprole Diacloden suspension seed-coating agent (being mass fraction)
Ethiprole 20.0%, Diacloden 30.0%, YUS-FS30004.0%, YUS-TXC 0.5%, PICO-NW11.0%, ethylene glycol 5.0%, PVA 17-887.0%, defoamer 0.3%, Sodium Benzoate 0.3%, basic rhodamine 1.5%, distilled water adds to 100%.
YUS-FS3000, YUS-TXC, PICO-NW1 dissolve completely with distilled water, then add successively ethiprole, Diacloden active ingredient through air-flow crushing, and other auxiliary agent, enter sand mill and grind 2 times, until the grain fineness of suspension reaches D
50for 2-3 μ m, D
90< 8 μ m obtain product.
Suspension seed-coating agent prepared by the present embodiment and the contrast of each single dose, take each active component consumption is criterion calculation, at each active component consumption of suspension seed-coating agent of the present invention, be less than or equal under the prerequisite of each single dose active component consumption, the preventive effect of suspension seed-coating agent of the present invention is higher than the preventive effect of single dose, and increased insect protected spectrum.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a Pesticidal combination, is characterized in that, ethiprole and Diacloden, consists of, and the mass ratio of described ethiprole and Diacloden is 1:3.125,1:3.5,1:4,1:6,1:7.2,1:6.4 and 1:7.5, and described Pesticidal combination is used for preventing and treating wireworm.
2. a suspension seed-coating agent, it is characterized in that, be calculated in mass percent, comprise 2-20% ethiprole, 5-30% Diacloden, 1-8% wetting dispersing agent, 0.5-10% film forming agent, 1-10% colouring agent, 0.1-2% thickener, 1-5% antifreezing agent, 0.1-1% preservative, 0.1-1% defoamer, surplus is distilled water, the mass ratio of described ethiprole and Diacloden is 1:3.125,1:3.5,1:4,1:6,1:7.2,1:6.4 and 1:7.5, and described suspension seed-coating agent is used for preventing and treating wireworm.。
3. suspension seed-coating agent according to claim 2, it is characterized in that, comprise 5-15% ethiprole, 10-25% Diacloden, 1-8% wetting dispersing agent, 0.5-10% film forming agent, 1-10% colouring agent, 0.1-2% thickener, 1-5% antifreezing agent, 0.1-1% preservative, 0.1-1% defoamer, surplus is distilled water.
4. according to suspension seed-coating agent described in claim 2 or 3, it is characterized in that, described wetting dispersing agent is fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, polyoxyethylene fatty acid, alkylaryl polyglycol ether, alkylsulfonate, arylsulphonate, fatty acid polyglycol ethylene glycol, dodecyl benzene sulfonate, polyoxyethylene groups phenol formaldehyde condensate, polyoxyethylene poly-oxygen propylene aether block copolymer, naphthalene or alkyl naphthalene formaldehyde condensate sulfonates, aliphatic alcohol polyoxyethylene sulfonate, alkylphenol polyoxyethylene sulfonate, lignin and derivative sulfonate thereof, fatty acid ethane additive product phosphate, alkylphenol polyoxyethylene phosphate, one or more in alkylphenol polyoxyethylene formaldehyde condensation products sulphate.
5. according to suspension seed-coating agent described in claim 2 or 3, it is characterized in that, described film forming agent is one or more in gum Arabic, animal glue, pectin, xanthans, methylcellulose, ethyl cellulose, sodium carboxymethylcellulose, hydroxypropyl cellulose, sodium alginate, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate.
6. according to suspension seed-coating agent described in claim 2 or 3, it is characterized in that, described colouring agent is one or more in basic rhodamine, water-based rhodo, acid scarlet, Fluorescein red5B, Red-8110, Red-131, FGR-131.
7. according to suspension seed-coating agent described in claim 2 or 3, it is characterized in that, described thickener is one or more in xanthans, gum Arabic, methylcellulose, carboxymethyl cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, PAA, sodium alginate, polyvinyl alcohol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate, aluminium-magnesium silicate, bentonite.
8. according to suspension seed-coating agent described in claim 2 or 3, it is characterized in that, described antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride, calcium chloride.
9. according to suspension seed-coating agent described in claim 2 or 3, it is characterized in that, described defoamer is organosilicon ketone, C
8-10fatty alcohol, C
10-20saturated fatty acid and one or more in ester class thereof.
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| CN115067352B (en) * | 2022-07-13 | 2024-04-23 | 江苏艾津作物科技集团有限公司 | Seed treatment agent for preventing and controlling corn aphids and preparation method thereof |
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