CN102342284A - Sterilization disease-resistant composition and suspension seed coating agent thereof - Google Patents

Sterilization disease-resistant composition and suspension seed coating agent thereof Download PDF

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CN102342284A
CN102342284A CN2011103586586A CN201110358658A CN102342284A CN 102342284 A CN102342284 A CN 102342284A CN 2011103586586 A CN2011103586586 A CN 2011103586586A CN 201110358658 A CN201110358658 A CN 201110358658A CN 102342284 A CN102342284 A CN 102342284A
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difenoconazole
agent
avermectin
coating agent
suspension seed
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CN102342284B (en
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王洲
卢桂鲜
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Lianbao Crop Technology Co Ltd
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Lianbao Crop Technology Co Ltd
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Abstract

The invention relates to the field of pesticide preparations and discloses a sterilization disease-resistant composition and a suspension seed coating agent thereof. The composition is composed of abamectin and difenoconazole. The mass ratio of the abamectin to the difenoconazole is 1:(0.7-1.5). The suspension seed coating agent disclosed by the invention comprises 0.1-15% of abamectin, 0.1-15% of difenoconazole, 1-8.0% of wet dispersing agent, 1-10.0% of film forming agent, 1-10.0% of colouring agent, 0.1-2.0% of thickening agent, 1-5.0% of anti-freeze agent, 0.1-1.0% of preservative, 0.1-1.0% of defoaming agent and the balance of distilled water. The mass ratio of the abamectin to the difenoconazole is 1:(0.7-1.4). The abamectin and the difenoconazole are mixed in the suspension seed coating agent. The advantages of the abamectin and the difenoconazole are complementary. The composition can be used for killing insects and preventing diseases by being applied at one time. Simultaneously, the pesticide effect is increased; the pesticide use amount and the use kind and number can be reduced; and the composition can be widely applied in agricultural fields.

Description

Disease-resistant composition of a kind of sterilization and suspension seed-coating agent thereof
Technical field
The present invention relates to the pesticidal preparations field, relate to a kind of suspension seed-coating agent specifically.
Background technology
In modern times in the agricultural production, utilize kind of clothing agent to seed carry out that chemicals treatment is that control soil insect and crops soil pass, one of the method for the economical and convenient of seed-borne disease.The agent of kind of clothing is a kind of pesticidal preparations that is used for crop or other plant seed treatment, has film forming characteristics, and it can solidify to form the film that is called kind of clothing at the surface of the seed.Kind of clothing agent imbibition and not dissolved in soil; Allow normal required moisture and the air that germinate of seed to pass through; Materials such as contained agricultural chemicals and seed manure slowly discharge; Can kill soil insect, seedling stage insect, have control sprout term disease and systemic disease, improve percentage of seedgermination, promote effect such as seedling healthy growth.
Suspension seed-coating agent is a kind of of kind of clothing agent, is a kind of flowable stable unit for uniform suspension of being processed through waterproof pulverization 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 kind clothing agent of numerous kinds, gains great popularity.
Avermectin; English name avermectins; Be by university's big village intelligence in the Japanese north etc. and one type of ten hexa-atomic Macrocyclic lactone compounds that have desinsection, kill mite, eelworm-killing activity that U.S. Merck company at first develops, produce by streptomyces griseus Streptomyces avermitilis fermentation in the streptomycete.Abamectin insecticide is a kind of antibiotics insecticidal/acaricidal agent of efficient, wide spectrum, mite class and insect is had stomach toxicity and action of contace poison, and faint fumigation action is arranged, and is especially obvious to the nematode effect.It has the characteristics of super-high-efficient, noresidue, biopesticide such as nuisanceless.
But crops not only face insect pest in whole growth process, and infecting also of some germs can impact the growth of crop; Especially seed germination stage; And Avermectin is a kind of insecticide, can not prevent and treat harmful germ, can't accomplish that the general protection crop is not infected.Therefore, provide a kind of can insect protected again can be fungi-proofing suspension seed-coating agent significant.
Summary of the invention
In view of this, the object of the invention provides a kind of killing pests and preventing diseases composition and suspension seed-coating agent thereof, makes pest control simultaneously of this suspension seed-coating agent and disease, and has synergistic effect.
For realizing the object of the invention, the present invention adopts following technical scheme:
A kind of killing pests and preventing diseases composition is made up of Avermectin and Difenoconazole, and the mass ratio of said Avermectin and Difenoconazole is 1: 0.7-1.5.
Wherein, the mass ratio of said Avermectin and Difenoconazole is preferably 1: 1-1.2, more preferably 1: 1.1.
Avermectin; What its mechanism of action was different with general insecticide is that it disturbs neurophysiology movable; Stimulate and discharge γ-An Jidingsuan; And γ-An Jidingsuan has inhibitory action to arthropodan nerve conduction; The mite class becomes, if mite and insect and larva with paralysis symptom promptly appears after medicament contacts; Inertia is not got food, and is dead behind the 2-4d.Because of not causing that insect dewaters rapidly, so its lethal effect is slower.Parasite, diptera, coleoptera, Lepidoptera and pest mite etc. all there is effect preferably.Though predatism and parasite there are direct killing effect, because of plant surface is residual few, therefore little to the damage of beneficial insect.
Difenoconazole belongs to triazole bactericidal agent, is sterol demethylation inhibitor, has good interior absorption, tool protection and therapeutic action.The Difenoconazole fungicidal spectrum is wide; Leaf surface treatment or seed treatment can improve output and the guaranteed quality of crop; To Ascomycetes, Basidiomycetes with comprise that half of Alternaria, Ascochyta, the mould genus of tail spore, Colletotrichum, ball Cuo Pseudomonas, Phoma, Ramularia, Septoria, Venturia know sickly, Erysiphaceae, Uredinales and some are planted and are passed pathogen lasting protection and therapeutic action are arranged.In addition, also fine to bitter rot or anthracnose of grape, white rot effect, to disease tool special efficacys such as pear scab, rust class, powdery mildew class, the mould worry of apple, browns spot of grape.Absorbed by plant tissue in about 2 hours behind extremely strong, the spray cloth of absorption in the Difenoconazole, its drug effect is not executed back 2 hours precipitation affects.Difenoconazole also has strong therapeutic action except that having high protective effect, even germ invaded plants tissue also can kill it, disease no longer develops.Various crops such as Difenoconazole is suitable melon, capsicum, tomato, grape, peach, pears, corn; Can effectively prevent and treat multiple diseases such as powdery mildew, eqpidemic disease, gray mold, leaf spot, fallen leaves, anthracnose, black rot, northern and southern leaf blight; Except that the disease that Oomycete causes; All effective to multiple fungal disease, especially scab and the vegetable leaf pinta to pears has good preventive effect.
The different activity component mixes each active component of back because the difference of composition, structure, physicochemical property makes that the synergy between each active component is 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 being exactly the effect of its generation, summation action equals the sum total of each composition effect; Antagonism is meant that a kind of material disturbed the effect of another kind of material when two kinds of materials acted on living organism, or the effect of interfering with an opponent each other, the phenomenon that general effect is descended.
The present invention calculates co-toxicity coefficient evaluation Avermectin and Difenoconazole and uses effect with according to Sun Yunpei (Sun Y-P) method, and the result shows co-toxicity coefficient all greater than 120, shows that the mixing use of the two has the notable synergistic effect.
The present invention also provides a kind of suspension seed-coating agent, in mass percent, comprises Avermectin 0.1-15%; Difenoconazole 0.1-15%; Wetting dispersing agent 1.0-8.0%, film forming agent 1.0-10.0%, colouring agent 1.0-10.0%; Thickener 0.1-2.0%; Antifreezing agent 1.0-5.0%, preservative 0.1-1.0%, defoamer 0.1-1.0%; Surplus is a distilled water, and the mass ratio of said Avermectin and Difenoconazole is 1: 1-1.5.
As preferably, said Avermectin mass percent is 0.5-10%, and said Difenoconazole mass percent is 0.5-10%, and the mass ratio of said Avermectin and Difenoconazole is 1: 1-1.2, more preferably 1: 1.1.
In order to promote that wetting dispersion prevents its phase inter coagulation between particles of active components; Suspension seed-coating agent according to the invention also comprises wetting dispersing agent; Said wetting dispersing agent can be according to the suitable wetting dispersing agent of any selection known in this field; Be preferably fatty alcohol-polyoxyethylene ether; Alkylphenol polyoxyethylene; Polyoxyethylene fatty acid; Alkylaryl polyglycol ether; Alkylsulfonate; Arylsulphonate; Fatty acid polyglycol ethylene glycol; Dodecyl benzene sulfonate; The polyoxyethylene groups phenol formaldehyde condensate; The 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 addition product phosphate; Alkylphenol polyoxyethylene phosphate; In the alkylphenol polyoxyethylene formaldehyde condensation products sulphate one or more.
Act on seed and root in order to guarantee that limited farm chemical ingredients is concentrated, difficult drop-off with disperse, reduced agricultural chemicals in environment diffusion and to the contact of non-target, said suspension seed-coating agent also need comprise film forming agent.Said film forming agent should guarantee that institute's ready-made clothes film is ventilative, good water permeability, and the normal seed germination growth guarantees that again institute's ready-made clothes film is insoluble in water, and active component can slowly discharge in the clothing film, and efficiency time is long.Film forming agent according to the invention can be according to the suitable film forming agent of any selection known in this field, is preferably in gum Arabic, animal glue, pectin, xanthans, methylcellulose, ethyl cellulose, sodium carboxymethylcellulose, hydroxypropyl cellulose, sodium alginate, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylamide, the Sodium Polyacrylate one or more.
Colouring agent is claimed alert toner again; Can improve the safe in utilization of suspension seed-coating agent; Wherein, said colouring agent is preferably one or more among basic rhodamine, water-based rhodo, acid scarlet, Fluorescein red 5B, Red-8110, Red-131, the FGR-131.
Suspension seed-coating agent according to the invention also comprises thickener, to improve the viscosity of dispersion medium, reduces the settling velocity of particle, thereby improves stability of formulation.Thickener according to the invention can be according to the suitable kind of any selection known in this field.As preferably, said 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, the bentonite.
In order to improve kind of the stability of the low-temperature storage of clothing agent, suspension seed-coating agent according to the invention has also added antifreezing agent.Preferably, said antifreezing agent is one or more in ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride, the calcium chloride.
As preferably, defoamer according to the invention is machine silicone, C 8-10Fatty alcohol, C 10-20Saturated fatty acid and in the ester class one or more thereof; Said preservative is 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 according to the invention is: with Avermectin and Difenoconazole process comminution by gas stream; After wetting dispersing agent, film forming agent, colouring agent, thickener, antifreezing agent, preservative, defoamer and distilled water dissolve fully; Drop into sand mill in proportion and grind 2 times, reach D until the grain fineness of suspension 50Be 2-3 μ m, D 90＜8 μ m promptly get product.In actual medication process, the present invention can a situation arises confirms the consumption that said suspension seed-coating agent is suitable according to local controlling object, and formulation rate is that the mass ratio of kind of clothing agent and seed is 1 usually: 50-100.
The prepared suspension seed-coating agent outward appearance of the present invention is red 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 through 45 μ m standard screens, grain fineness D 50Be 2-3 μ m.
Simultaneously; The test of pesticide effectiveness result of suspension seed-coating agent according to the invention shows; Single use Avermectin or Difenoconazole; Can only play desinsection or disease-resistant effect; And after composite; Under consumption less than single use Avermectin or Difenoconazole; Suspension seed-coating agent according to the invention can desinsection; Again can be disease-resistant, no cross tolerance, and preventive effect is improved; This shows; This synergistic effect of composition according to the invention is not that the direct effect owing to another kind of active substance produces, but both are collaborative each other, promote self desinsection or disease-resistant effect synergy.
Can know by above technical scheme; Suspension seed-coating agent according to the invention is composite as active ingredient with Avermectin and Difenoconazole; The two mutual supplement with each other's advantages; A drug not only can pest control can also be prevented and treated disease; Improve drug effect simultaneously; Reduce the usage amount and use kind, number of times of agricultural chemicals, can be widely used in agriculture field.
Embodiment
The embodiment of the invention discloses a kind of killing pests and preventing diseases composition and suspension seed-coating agent thereof.Those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is that all similarly replace and change apparent to those skilled in the art, they all are regarded as and are included in the present invention.Product of the present invention is described through preferred embodiment, and the related personnel obviously can change or suitably change and combination product as herein described in not breaking away from content of the present invention, spirit and scope, realizes and use technology of the present invention.
In order further to understand the present invention, a kind of killing pests and preventing diseases composition provided by the invention and suspension seed-coating agent thereof are elaborated below in conjunction with embodiment.
Embodiment 1: the damage by disease and insect efficiency test
Test in the one peasant household's wheat paddock of Baoding and carry out; Suspension seed-coating agent is the composite kind clothing agent of active component with Avermectin and Difenoconazole; Single agent is respectively Avermectin suspension seed-coating agent and difenoconazole suspending seed-dressing agent; Each suspension seed-coating agent test seed and experimental enviroment are all identical; Test is handled and formulation rate is seen table 1, and control efficiency is seen table 2.
Wherein, the preventive effect computing formula is following:
Disease index, preventive effect computing formula are following:
Blade disease index=∑ (the disease numbers of sheets at different levels * relative level numerical value)/(investigating total number of sheets * 9) * 100;
Control efficiency (%)=(blank group disease index-experimental group disease index)/blank district disease index * 100;
State of an illness grade scale is known in this field, no longer enumerates at this.
Table 1 test is handled and formulation rate
Handle Supply the reagent agent Amount of application (active component/100kg seed)
1 Avermectin 15g
2 Difenoconazole 15g
3 Avermectin+Difenoconazole 5g+7g
4 Avermectin+Difenoconazole 7g+5g
5 Avermectin+Difenoconazole 9g+10g
6 Avermectin+Difenoconazole 10g+10g
7 Avermectin+Difenoconazole 11g+10g
8 Avermectin+Difenoconazole 11g+12g
9 Avermectin+Difenoconazole 12g+12g
10 Clear water
Table 2 extermination of disease and insect pest effect
Handle Acarid Cyst nematode Loose smut of wheat Wheat sharp eyespot
1 78.5 81.2 0 0
2 0 0 82.3 81.5
3 79.0 82.7 82.8 82.9
4 79.2 82.5 83.4 82.7
5 81.2 82.8 83.2 82.8
6 82.5 84.6 84.5 83.8
7 84.2 86.7 85.2 83.2
8 85.1 86.6 88.5 87.6
9 89. 88.4 88.8 87.8
10 0 0 0 0
Can be known that by table 2 result each active ingredient is under the prerequisite of single agent consumption less than each in the suspension seed-coating agent according to the invention, drug effect is higher than each single-dose and imitates.Simultaneously; Can know from handling 1 and 2 result of the test; This synergy result is not because another active component that is added directly acts on disease or insect pest obtains, but because two kinds of composite backs of active component interact, has strengthened the effect of preventing and treating disease or insect pest each other.Result of the test shows that two kinds of active components do not have antagonism in the suspension seed-coating agent according to the invention, and has improved preventive effect, can reduce dosage and types of medicines, number of times.
Embodiment 2:10% Avermectin difenoconazole suspending seed-dressing agent (being mass fraction)
Avermectin 4.0%, Difenoconazole 6.0%, YUS-FS30002.5%, YUS-TXC 2.5%, PICO-NW1 1.0%, PVA 17-885.0%, ethylene glycol 2.0%, 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 with distilled water fully, add Avermectin, Difenoconazole active ingredient through comminution by gas stream then successively, and other auxiliary agent, get into sand mill and grind 2 times, reach D until the grain fineness of suspension 50Be 2-3 μ m, D 90＜8 μ m promptly obtain product.
Single agent that the suspension seed-coating agent and the single-activity composition of present embodiment preparation are processed contrasts; With each active component consumption is criterion calculation; Under the prerequisite of each active component consumption in suspension seed-coating agent according to the invention less than each single agent active component consumption; The preventive effect of suspension seed-coating agent according to the invention is higher than the preventive effect of single agent; And there is not cross tolerance, simultaneously desinsection and disease-resistant.
Embodiment 3:15% Avermectin difenoconazole suspending seed-dressing agent (being mass fraction)
Avermectin 7.0%, Difenoconazole 8.0%, DA-675 4.0%, DA-646 3.0%, PVA 17-886.0%, xanthans 0.2%, defoamer 0.3%, Sodium Benzoate 0.1%, FGR-1312.0%, distilled water adds to 100%.
DA-675, DA-646 dissolve with distilled water fully, add Avermectin, Difenoconazole active ingredient through comminution by gas stream then successively, and other auxiliary agent, get into sand mill and grind 2 times, reach D until the grain fineness of suspension 50Be 2-3 μ m, D 90＜8 μ m promptly obtain product.
Single agent that the suspension seed-coating agent and the single-activity composition of present embodiment preparation are processed contrasts; With each active component consumption is criterion calculation; Under the prerequisite of each active component consumption in suspension seed-coating agent according to the invention less than each single agent active component consumption; The preventive effect of suspension seed-coating agent according to the invention is higher than the preventive effect of single agent; And there is not cross tolerance, simultaneously desinsection and disease-resistant.
Embodiment 4:20% Avermectin difenoconazole suspending seed-dressing agent (being mass fraction)
Avermectin 10.0%, Difenoconazole 10.0%, DA-6754.0%, DA-6463.0%, ethylene glycol 4.0%, PVA 17-886.0%, xanthans 0.2%, defoamer 0.3%, Sodium Benzoate 0.3%, alkalescence are rose-red 2.0%, and distilled water adds to 100%.
Avermectin, Difenoconazole through comminution by gas stream, after wetting dispersing agent, film forming agent, colouring agent, thickener, antifreezing agent, preservative, defoamer and water dissolve fully, are dropped into sand mill grinding 2 times in proportion, reach D until the grain fineness of suspension 50Be 2-3 μ m, D 90＜8 μ m promptly get product.
Single agent that the suspension seed-coating agent and the single-activity composition of present embodiment preparation are processed contrasts; With each active component consumption is criterion calculation; Under the prerequisite of each active component consumption in suspension seed-coating agent according to the invention less than each single agent active component consumption; The preventive effect of suspension seed-coating agent according to the invention is higher than the preventive effect of single agent; And there is not cross tolerance, simultaneously desinsection and disease-resistant.
Embodiment 5:30% Avermectin difenoconazole suspending seed-dressing agent (being mass fraction)
Avermectin 16.0%, Difenoconazole 14.0%, YUS-FS3000 4.0%, YUS-TXC 1.0%, PICO-NW1 1.0%, PVA 17-88 7.0%, xanthans 0.2%, defoamer 0.3%, Sodium Benzoate 0.3%, basic rhodamine 1.5%, distilled water adds to 100%.
Avermectin, Difenoconazole through comminution by gas stream, after wetting dispersing agent, film forming agent, colouring agent, thickener, antifreezing agent, preservative, defoamer and water dissolve fully, are dropped into sand mill grinding 2 times in proportion, reach D until the grain fineness of suspension 50Be 2-3 μ m, D 90＜8 μ m promptly get product.
Single agent that the suspension seed-coating agent and the single-activity composition of present embodiment preparation are processed contrasts; With each active component consumption is criterion calculation; Under the prerequisite of each active component consumption in suspension seed-coating agent according to the invention less than each single agent active component consumption; The preventive effect of suspension seed-coating agent according to the invention is higher than the preventive effect of single agent; And there is not cross tolerance, simultaneously desinsection and disease-resistant.
The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle 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 claim of the present invention.

Claims (8)

1. a killing pests and preventing diseases composition is characterized in that, is made up of Avermectin and Difenoconazole, and the mass ratio of said Avermectin and Difenoconazole is 1: 0.7-1.5.
2. according to the said composition of claim 1, it is characterized in that the mass ratio of said Avermectin and Difenoconazole is 1: 1-1.2.
3. according to the said composition of claim 1, it is characterized in that the mass ratio of said Avermectin and Difenoconazole is 1: 1.1.
4. a suspension seed-coating agent is characterized in that, in mass percent; Comprise Avermectin 0.1-15%, Difenoconazole 0.1-15%, wetting dispersing agent 1.0-8.0%; Film forming agent 1.0-10.0%; Colouring agent 1.0-10.0%, tackifier 0.1-2.0%, antifreezing agent 1.0-5.0%; Preservative 0.1-1.0%; Defoamer 0.1-1.0%, surplus is a distilled water, the mass ratio of said Avermectin and Difenoconazole is 1: 0.7-1.4.
5. according to the said suspension seed-coating agent of claim 4, it is characterized in that said Avermectin mass percent is 0.5-10%.
6. according to the said suspension seed-coating agent of claim 4, it is characterized in that said Difenoconazole mass percent is 0.5-10%.
7. according to the said suspension seed-coating agent of claim 4, it is characterized in that the mass ratio of said Avermectin and Difenoconazole is 1: 1-1.2.
8. according to the said suspension seed-coating agent of claim 4, it is characterized in that the mass ratio of said Avermectin and Difenoconazole is 1: 1.1.
CN201110358658.6A 2011-11-11 2011-11-11 Sterilization disease-resistant composition and suspension seed coating agent thereof Expired - Fee Related CN102342284B (en)

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CN107183040A (en) * 2017-06-30 2017-09-22 江苏省绿盾植保农药实验有限公司 A kind of suspension seed-coating agent containing trifluoro-benzene pyrimidine and thifluzamide and its preparation method and application

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