CN104304287B - A kind of suspension seed-coating agent of containing fipronil and ZEN 90160 and application thereof - Google Patents
A kind of suspension seed-coating agent of containing fipronil and ZEN 90160 and application thereof Download PDFInfo
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Abstract
The invention discloses suspension seed-coating agent of a kind of containing fipronil and ZEN 90160 and application thereof, including active component and auxiliary agent, described active component adopts ethiprole (A) and ZEN 90160 (B), the percentage by weight of described component is: ethiprole 0.1～80%, ZEN 90160 1～80%, surplus is auxiliary agent, and the weight percentage of described active component is the 0.1%～80% of described composition total weight. The suspension seed-coating agent of the present invention is used for seed pelleting, has good film property, lasting period length, safety and low toxicity, potentiation feature significantly, improves the utilization rate of pesticide, and the yield that simultaneously can also improve crop reduces the labour cost of peasant. Suspension seed-coating agent of the present invention may be used for the seed treatment of various crop such as Semen Tritici aestivi, Oryza sativa L., Semen Maydis, Cotton Gossypii, Semen arachidis hypogaeae, vegetable and Semen sojae atricolor etc.
Description
Technical field
The present invention relates to a kind of pesticide, suspension seed-coating agent of especially a kind of containing fipronil and ZEN 90160 and application thereof.
Background technology
ZEN 90160, English common name (Picoxystrobin), molecular formula: C18H16F3NO4, chemical name: (E)-3-methoxy-2-[2-[6-(trifluoromethyl)-2-pyridine oxygen methyl] phenyl] acrylic acid methyl ester.. ZEN 90160 belongs to mitochondrial respiratory inhibitor, and its mechanism of action is to suppress mitochondrial breathing by electron transfer between cytochrome b and C1. The bacterial strain that 14-demethylation enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole produce resistance is effective. ZEN 90160, once be absorbed by blade, will move in xylem, flows in transportation system with current; It also flows and along with flowing in xylem again after being absorbed into blade from gas phase in the gas phase of blade surface. With ZEN 90160 (250ga.i./hm under condition without rain2) crop that processes of spraying and after spraying equally is processed 2h be exposed to rainfall be 10mm, crop up to 1h compare, result shows that the prevention effect of Folium Hordei Vulgaris rot is consistent by the two. Just because of systemic activity and the evaporation activity of ZEN 90160, thus after dispenser, active component can effectively reallocate and fully transmit, and therefore ZEN 90160 has better therapeutic activity than commercial Fluoxastrobin and trifloxystrobin.
It is mainly used in preventing and treating foliage disease such as leaf blight, leaf rust, glume blight, brown spot, powdery mildew etc., compared with existing strobilurin series bactericidal agent, leaf blight, net blotch and moire disease is had higher therapeutic effect.
Ethiprole, English general (fipronil) by name, molecular formula: C12H4Cl2F6N4OS; chemical name: (±)-5-amino-1-(2; the chloro-α of 6-bis-; α; α;-trifluoro-p-tolyl)-4-trifluoromethyl sulfinyl pyrazole-3-nitrile, the maincenter conduction destroying in central nervous system by hindering the chloride that gamma aminobutyric acid (GABA) regulates and controls to transmit. Safe and efficient, no interactions resistance. This product, to tag and stomach poison function, can prevent and treat insecticide when as soil or seed coat agent.Oryza sativa L. has stronger systemic activity, knocks down activity for medium. With existing insecticide no interactions resistance, organophosphor, cyclodiene, carbamate, pyrethroid etc. are had resistance or sensitivity insect is all effective, and the lasting period is long. It is mainly used in the snout moth's larva of rice in the various crop such as preventing and treating Oryza sativa L., Semen Maydis, Cotton Gossypii, Fructus Musae, Radix Betae, Rhizoma Solani tuber osi, Semen arachidis hypogaeae, Helianthi, Brassica campestris L, Sorghum vulgare Pers., Folium Camelliae sinensis, fruit tree, Semen sojae atricolor, plant hopper, thrips, rice beetle, diamondback moth, corn rootworm, nematicide, Coptotermes formosanus Shtrari., boll weevil, cotton plant bug, leaf miner etc., aphid, leafhopper, lepidopterous larvae, flies and coleoptera is all had significantly high insecticidal activity in interior a series of important pests simultaneously.
At present, ethiprole and ZEN 90160 composite and being applied in not yet is disclosed both at home and abroad.
Summary of the invention
It is an object of the invention to provide a kind of mixture reasonable, prevention effect is good, and the sterilization and the suspension seed-coating agent of a kind of containing fipronil of parasite killing and ZEN 90160 and application thereof that drug cost is low, for treating and preventing the pest and disease damage of plant. The present invention is achieved through the following technical solutions:
A kind of suspension seed-coating agent of containing fipronil and ZEN 90160, including active component and auxiliary agent, described active component adopts ethiprole (A) and ZEN 90160 (B), the percentage by weight of described component is: ethiprole 0.1～80%, ZEN 90160 1～80%, surplus is auxiliary agent, and the weight percentage of described active component is the 0.1%～80% of described composition total weight.
In described suspension seed-coating agent, ethiprole (A) and ZEN 90160 (B) ratio of weight and number are 1:40～40:1.
The percentage by weight of described component is preferably: ethiprole 0.1～40%, ZEN 90160 1～40%, surplus is auxiliary agent.
The percentage by weight of described component is more preferably: ethiprole 0.1～20%, ZEN 90160 1～20%, surplus is auxiliary agent.
The purposes of the suspension seed-coating agent of a kind of containing fipronil and ZEN 90160, described suspension seed-coating agent can for for preventing and treating the multiple pest and disease damage on grass family class crop, Cotton Gossypii, Semen arachidis hypogaeae, vegetable and soybean seed. The diseases such as this pesticidal preparations energy effectively preventing leaf blight, leaf rust, glume blight, brown spot, powdery mildew, net blotch and moire disease. The snout moth's larva of rice in the various crop such as this pesticidal preparations energy effectively preventing Oryza sativa L., Semen Maydis, Cotton Gossypii, Fructus Musae, Radix Betae, Rhizoma Solani tuber osi, Semen arachidis hypogaeae, Helianthi, Brassica campestris L, Sorghum vulgare Pers., Folium Camelliae sinensis, fruit tree, Semen sojae atricolor, plant hopper, thrips, rice beetle, diamondback moth, corn rootworm, nematicide, Coptotermes formosanus Shtrari., boll weevil, cotton plant bug, leaf miner etc., all have significantly high insecticidal activity to aphid, leafhopper, lepidopterous larvae, flies and coleoptera in interior a series of important pests simultaneously. Utilize this suspension seed-coating agent, it is provided that epiphyte pharmaceutical on antagonism seed and occur in the protection of plant pathogenic fungi in soil, it is provided that subterranean pest-insect in antagonism soil and each class pest occurred in growing process.
Auxiliary agent in the pesticidal preparations of the present invention includes but not limited to one or more the mixture in emulsifying agent, dispersant, film former, thickening agent, stabilizer, defoamer, preservative, antifreezing agent, coloring agent.
Described emulsifying agent, immiscible biphase liquid can be made to form the auxiliary agent of opaque or translucent cream liquid, such as sulfated castor oil, turkey red oil, polyoxyethylene alkyl amine, aralkyl phenol polyethenoxy ether formaldehyde condensation products, sucrose fatty acid ester etc., in the pesticidal preparations of the present invention, emulsifying agent can be one or more the mixture in agriculture breast 500, agriculture breast 602, Nongru-700-2, agriculture breast 400.Emulsifier is the 1～25% of described composition total weight, and emulsifying agent is purchased from Jiangsu Hai'an Petrochemical Plant.
Pesticide dispersion can be become colloid granule by described dispersant, promote wetting and dispersing between active ingredients particles, in the pesticidal preparations of the present invention, dispersant can be one or more mixture in polyacrylic acid, polycarboxylate, phosphoric acid lipid, dodecylbenzene sodium sulfonate, aryl alkyl polyoxyethylene ether, sodium lauryl sulphate and lignin sodium iodate. Dispersant dosage is the 2～15% of described composition total weight.
Described film former is Customary film formers on market, and as preferably, in the pesticidal preparations of the present invention, film former can be the one or more kinds of mixture in starch, polyvinyl alcohol, arabic gum, polyvinyl acetate, xanthan gum and gelatin. Film former consumption is the 0.2～10% of described composition total weight.
Described thickening agent is used for improving the viscosity of disperse medium, reduces the sedimentation velocity of particle, improves the stability of preparation, and in the pesticidal preparations of the present invention, thickening agent is Magnesiumaluminumsilicate and/or xanthan gum. Thickening agent consumption is the 0.5～5% of described composition total weight.
Described stabilizer can prevent preparation physical property from degenerating in storage, and in the pesticidal preparations of the present invention, stabilizer can be one or more the mixture in Bentonite, sodium benzoate, oleum lini, Benzodiazepines, Borax, oleic acid triethanolamine. Stabilizing agent dosage is the 0.1～10% of described composition total weight.
Described defoamer adopts C8～10Aliphatic alcohols, C10～20One or more in saturated fat acids and amide, silicone oil, silicone compound. Defoamer consumption is the 0.1～5% of described composition total weight.
Described preservative is preservative conventional on market, and in the pesticidal preparations of the present invention, preservative can be one or more the mixture in formaldehyde, sodium benzoate, benzyl alcohol. Preservative consumption is the 1～3% of described composition total weight.
Described antifreezing agent is antifreezing agent conventional on market, and in the pesticidal preparations of the present invention, antifreezing agent can be one or more the mixture in glycerol, glycerol, ethylene glycol. Antifreezing agent consumption is the 1～5% of described composition total weight.
Described coloring agent is pesticidal preparations medicament being dyed shades of colour, in the pesticidal preparations of the present invention, coloring agent adopt Flos Rosae Rugosae quintessence oil, rose-red, aqueous rose-red, bright red in one or more. Colorant concentrations is the 0.1～2% of described composition total weight.
Have now found that this suspension seed-coating agent has synergism; and it is suitable for preventing and treating animal pest and fungus; the activity of the independent reactive compound of its specific activity is high, and the plant that this suspension seed-coating agent grows up to after being particularly suitable for process seed and protection germination is to resist the invasion of insect and fungus. At present, ethiprole and ZEN 90160 composite and be applied in and have no report both at home and abroad.
The invention have the benefit that
(1), suspension seed-coating agent of the present invention have special in absorption, seed self can not only be protected as seed coat agent, and the plant after emerging can also be protected from pest attacks, it is possible to crop dispenser immediately when saving sowing or in the short period.
(2), the suspension seed-coating agent of the present invention there is synergism, add insecticidal activity with the Compound Phase of independent insecticidal activity ratio, exceeded active summation when two kinds of compounds are individually used; Add bactericidal activity compared with independent Fungicidal active compound, exceed active summation when two kinds of compounds are individually used.
(3), each active component is absent from cross resistance problem in said composition, and said composition can reach to delay the drug-fast generation of pathogen and development, contributes to extending the application effect of this medicament, reduces Drug resistance and produces probability.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, but the present invention is not limited by following example, and the addition of each component is measured by weight.
Embodiment 1
15% ethiprole ZEN 90160 suspension seed-coating agent
A kind of containing fipronil of the present embodiment and the suspension seed-coating agent of ZEN 90160, including active component and auxiliary agent, described active component adopts ethiprole (A) and ZEN 90160 (B), the percentage by weight of described component is: the former medicine 5% of ethiprole of 95%, the former medicine 10% of ZEN 90160 of 97%, emulsifying agent agriculture breast No. 602 10%, dispersant lignin sodium iodate 1.3%, stabilizer oleic acid triethanolamine 1.5%, film former xanthan gum 0.5%, defoamer n-octyl alcohol 1.5%, antifreezing agent glycerol 1.2%, coloring agent Flos Rosae Rugosae quintessence oil 0.5%, adds water and complements to 100%.
First ethiprole and ZEN 90160 are converted after the water of 30kg grinds 2h in sand mill, emulsifying agent, dispersant are added and grind 1.5h in sand mill, adds film former, stabilizer, defoamer and other adjuvant and grind 1h, be filtrated to get suspension seed-coating agent. Taking the suspension seed-coating agent prepared by the present embodiment, detect its indices, result is shown in Table 1, and table 1 is the testing result table of suspension seed-coating agent indices. From table 1 result, the suspension seed-coating agent indices that the present embodiment 1 prepares all meets the requirement of suspension seed-coating agent, and properties of product are stable, less by low temperature effect, and expulsion rate is low.
The present embodiment suspension seed-coating agent have special in absorption, seed self can not only be protected as seed coat agent, and the plant after emerging can also be protected from pest attacks, it is possible to crop dispenser immediately when saving sowing or in the short period. Secondly the suspension seed-coating agent of the present embodiment has synergism, adds insecticidal activity with the Compound Phase of independent insecticidal activity ratio, has exceeded active summation when two kinds of compounds are individually used; Add bactericidal activity compared with independent Fungicidal active compound, exceed active summation when two kinds of compounds are individually used. In said composition, each active component is absent from cross resistance problem, and said composition can reach to delay the drug-fast generation of pathogen and development, contributes to extending the application effect of this medicament, reduces Drug resistance and produces probability.
Embodiment 2
20% ethiprole ZEN 90160 suspension seed-coating agent
A kind of containing fipronil of the present embodiment and the suspension seed-coating agent of ZEN 90160, including active component and auxiliary agent, described active component adopts ethiprole (A) and ZEN 90160 (B), the percentage by weight of described component is: the former medicine 10% of ethiprole of 95%, the former medicine 10% of ZEN 90160 of 97%, emulsifying agent Nongru-700-No. 2 15%, dispersant dodecylbenzene sodium sulfonate 1.5%, stabilizer Benzodiazepines 2%, film former polyvinyl acetate 0.4%, defoamer n-octyl alcohol 1.5%, antifreezing agent glycerol 1.2%, coloring agent Flos Rosae Rugosae quintessence oil 0.5%, add water and complement to 100%.
First ethiprole and ZEN 90160 are converted after the water of 20kg grinds 2h in sand mill, emulsifying agent, dispersant are added and grind 0.5h in sand mill, adds film former, stabilizer, defoamer and other adjuvant and grind 1h, be filtrated to get suspension seed-coating agent. From table 1 result, the suspension seed-coating agent indices that the present embodiment 2 prepares all meets the requirement of suspension seed-coating agent, and properties of product are stable, less by low temperature effect, and expulsion rate is low.
The present embodiment suspension seed-coating agent have special in absorption, seed self can not only be protected as seed coat agent, and the plant after emerging can also be protected from pest attacks, it is possible to crop dispenser immediately when saving sowing or in the short period. Secondly the suspension seed-coating agent of the present embodiment has synergism, adds insecticidal activity with the Compound Phase of independent insecticidal activity ratio, has exceeded active summation when two kinds of compounds are individually used; Add bactericidal activity compared with independent Fungicidal active compound, exceed active summation when two kinds of compounds are individually used. In said composition, each active component is absent from cross resistance problem, and said composition can reach to delay the drug-fast generation of pathogen and development, contributes to extending the application effect of this medicament, reduces Drug resistance and produces probability.
Embodiment 3
35% ethiprole ZEN 90160 suspension seed-coating agent
The former medicine 20% of ethiprole of 95%, the former medicine 15% of ZEN 90160 of 97%, emulsifying agent agriculture breast 50020%, dispersant sodium lauryl sulphate 1% and phosphoric acid lipid (YUS-FS3000) 0.5%, film former xanthan gum 0.3%, defoamer silicone oil 1%, antifreeze glycol 1%, coloring agent Flos Rosae Rugosae quintessence oil 0.5%, adds water and complements to 100%.
After above-mentioned raw materials, auxiliary agent and water mix homogeneously, with high shear machine Mixingemulsificationmachine pre-dispersed after, be poured into sand mill grind 2h, add Flos Rosae Rugosae quintessence oil grind 1h, then add water grinding 1h, be filtrated to get suspension seed-coating agent. From table 1 result, the suspension seed-coating agent indices that the present embodiment 3 prepares all meets the requirement of suspension seed-coating agent, and properties of product are stable, less by low temperature effect, and expulsion rate is low.
The present embodiment suspension seed-coating agent have special in absorption, seed self can not only be protected as seed coat agent, and the plant after emerging can also be protected from pest attacks, it is possible to crop dispenser immediately when saving sowing or in the short period. Secondly the suspension seed-coating agent of the present embodiment has synergism, adds insecticidal activity with the Compound Phase of independent insecticidal activity ratio, has exceeded active summation when two kinds of compounds are individually used; Add bactericidal activity compared with independent Fungicidal active compound, exceed active summation when two kinds of compounds are individually used. In said composition, each active component is absent from cross resistance problem, and said composition can reach to delay the drug-fast generation of pathogen and development, contributes to extending the application effect of this medicament, reduces Drug resistance and produces probability.
Embodiment 4
30% ethiprole ZEN 90160 suspension seed-coating agent
A kind of containing fipronil of the present embodiment and the suspension seed-coating agent of ZEN 90160, including active component and auxiliary agent, described active component adopts ethiprole (A) and ZEN 90160 (B), the percentage by weight of described component is: the former medicine 12% of ethiprole of 95%, the former medicine 18% of ZEN 90160 of 97%, emulsifying agent agriculture breast No. 400 15%, dispersant sodium lauryl sulphate 1.5%, film former polyvinyl alcohol 0.3%, defoamer silicone oil 1%, thickening agent Magnesiumaluminumsilicate 0.5%, antifreezing agent glycerol 1%, coloring agent Flos Rosae Rugosae quintessence oil 0.5%, adds water and complements to 100%.
First ethiprole and ZEN 90160 are converted after the water of 20kg grinds 2h in sand mill, emulsifying agent, dispersant are added and grind 0.5h in sand mill, adds film former, stabilizer, defoamer and other adjuvant and grind 1h, be filtrated to get suspension seed-coating agent. From table 1 result, the suspension seed-coating agent indices that the present embodiment 4 prepares all meets the requirement of suspension seed-coating agent, and properties of product are stable, less by low temperature effect, and expulsion rate is low.
The present embodiment suspension seed-coating agent have special in absorption, seed self can not only be protected as seed coat agent, and the plant after emerging can also be protected from pest attacks, it is possible to crop dispenser immediately when saving sowing or in the short period. Secondly the suspension seed-coating agent of the present embodiment has synergism, adds insecticidal activity with the Compound Phase of independent insecticidal activity ratio, has exceeded active summation when two kinds of compounds are individually used; Add bactericidal activity compared with independent Fungicidal active compound, exceed active summation when two kinds of compounds are individually used. In said composition, each active component is absent from cross resistance problem, and said composition can reach to delay the drug-fast generation of pathogen and development, contributes to extending the application effect of this medicament, reduces Drug resistance and produces probability.
Embodiment 5
The present embodiment measures the embodiment 1 prevention effect to cotton wilt and subterranean pest-insect (black cutworm) under field condition. Test sets 3 process groups, respectively embodiment 1 (15% ethiprole ZEN 90160 suspension seed-coating agent) 1:25,1:50,1:100 seed dressing, two control treatment, respectively 5g/L ethiprole suspension seed-coating agent 1:100 seed dressing, 10g/L ZEN 90160 suspension seed-coating agent 1:50 dresses seed, and sets a blank.
Experimental plot arranges according to random district group, repeats 4 times, amounts to 24 communities, and each plot area that processes is 30m2(5m*6m), each process between set protection row, cave from 0.3m, every cave point 3, totally 200 caves, every community (400). Depth of planting is unified for about 10cm. Before sowing, 3d carries out artificial coating (seed dressing) by treatment dosage, it is desirable to medicament adheres on seed equably. 0.1% bacterium soil (artificially the accessing cotton-wilt fusarium) 50g that after planting often spreads manuer in holes covers and covers field soil on seed again.
Investigation method: every 5, community sampling, every 10 caves. After planting 15d investigates number of emerging, and calculates emergence rate; After planting 20d investigates subterranean pest-insect number, records strain of being injured, and adds up percentage of injury, calculates preventive effect; After stable disease, main plot investigation diseased plant number, total strain number, diseased plant number, calculate diseased plant rate and preventive effect.
Experimental result is shown in Table 2; result of the test shows; this suspension seed-coating agent; after processing seed; seed can germinate normally, without poisoning and can effective killing pathogenic bacteria, protection seed in soil not by the invasion of pest and disease damage; improve the bud ratio of seed significantly, in germination, Seedling Stage and whole growth stage, crop can be played good preventive and therapeutic effect. This suspension seed-coating agent, it is possible to effectively preventing droop and subterranean pest-insect, it is achieved that same preparation has the dual preventive effect function of parasite killing and sterilization, and along with the increase preventive effect of pharmaceutical quantities is remarkably reinforced.
Embodiment 6
The present embodiment measures the embodiment 4 prevention effect to the leaf blight of corn and subterranean pest-insect under field condition. Test sets 3 process groups, respectively embodiment 1 (30% ethiprole ZEN 90160 suspension seed-coating agent) 1:100,1:150,1:200 seed dressing, two control treatment, respectively 25g/L ethiprole suspension seed-coating agent 1:100 seed dressing, 25g/L ZEN 90160 suspension seed-coating agent 1:150 dresses seed, and sets a blank.
Experimental plot arranges according to random district group, repeats 4 times, amounts to 24 communities, and each plot area that processes is 30m2(5m*6m), each process between set protection row, cave from 0.3m, every cave point 3, totally 200 caves, every community (400). Depth of planting is unified for about 10cm.Before sowing, 3d carries out artificial coating (seed dressing) by treatment dosage, it is desirable to medicament adheres on seed equably. 0.1% bacterium soil (the artificial access leaf blight of corn pathogenic bacteria) 50g that after planting often spreads manuer in holes covers and covers field soil on seed again.
Investigation method: every 5, community sampling, every 10 caves. After planting 15d investigates number of emerging, and calculates emergence rate; After planting 20d investigates subterranean pest-insect number, records strain of being injured, and adds up percentage of injury, calculates preventive effect; After stable disease, main plot investigation diseased plant number, total strain number, diseased plant number, calculate diseased plant rate and preventive effect.
Experimental result is shown in Table 3. Result of the test shows; this suspension seed-coating agent; after processing seed; seed can germinate normally; without poisoning and can effective killing pathogenic bacteria; protection seed not by the invasion of pest and disease damage, improves the bud ratio of seed significantly in soil, in germination, Seedling Stage and whole growth stage, crop can be played good preventive and therapeutic effect. This suspension seed-coating agent, it is possible to effectively preventing leaf blight and subterranean pest-insect, it is achieved that same preparation has the dual preventive effect function of parasite killing and sterilization, the shortcoming that compensate for single dose, reduces the dispenser cost of peasant, has higher economic benefit.
In research process, the ethiprole ZEN 90160 suspension seed-coating agent of 20%, 35% has been also carried out above-mentioned test by applicant, demonstrate the impact on percentage of seedgermination similar with the ethiprole ZEN 90160 suspension seed-coating agent of 15%, 50% and field vermins-proof effect, illustrate that the suspension seed-coating agent of the present invention is respectively provided with good integrated pest prevention and control effect at various concentrations.
Table 1
Table 2
Note: " " represents invalid
Table 3
Note: " " represents invalid.
Claims (2)
1. the suspension seed-coating agent of a containing fipronil and ZEN 90160, it is characterized in that, including active component and auxiliary agent, described active component adopts ethiprole (A) and ZEN 90160 (B), the percentage by weight of described component is: ethiprole 0.1～20%, ZEN 90160 1～20%, surplus is auxiliary agent, the weight percentage of described active component be described composition total weight 0.1%～80%; In described suspension seed-coating agent, ethiprole (A) and ZEN 90160 (B) ratio of weight and number are 1:40～40:1.
2. the purposes of the suspension seed-coating agent of a containing fipronil and ZEN 90160, it is characterised in that: described suspension seed-coating agent can for for preventing and treating the multiple pest and disease damage on grass family class crop, Cotton Gossypii, Semen arachidis hypogaeae, vegetable and soybean seed.
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