CN102835415A - Pesticidal and disease-preventing composite and preparation thereof - Google Patents
Pesticidal and disease-preventing composite and preparation thereof Download PDFInfo
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- CN102835415A CN102835415A CN2012103412771A CN201210341277A CN102835415A CN 102835415 A CN102835415 A CN 102835415A CN 2012103412771 A CN2012103412771 A CN 2012103412771A CN 201210341277 A CN201210341277 A CN 201210341277A CN 102835415 A CN102835415 A CN 102835415A
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Abstract
The invention relates to the pesticide preparation field and particularly relates to a pesticidal and disease-preventing composite and preparation of the pesticidal and disease-preventing composite. The invention also provides a suspended seed coating, wherein the suspended seed coating is used for seed treatment of crops such as wheat, rice, cotton, soybean, peanut and so on so as to prevent piercing-sucking pests such as aphids at seedling stage, leafhopper, plant hopper, thrips, aleyrodid and so on, and diseases such as root rot, damping off, wilt, stalk break, bakanae disease, stinking smut and so on. The suspended seed coating can be used for seed treatment of various crops, preventing and treating diseases and insect pests at seedling stage and has advantage of being safe, low in toxicity, long in lasting period and convenient to use.
Description
Technical field
The present invention relates to the pesticidal preparations field, the composition and the preparation thereof of the disinsection prophylaxis that particularly a kind of active ingredient is MTI-446 and fludioxonil.
Background technology
Sucking pest is bigger in the common insect of a field-crop and ornamental plant monoid.Their individualities are little, but numbers of poles is many, often infest on spray, leaf, bud, bud, the fruit, draw water, rob its nutrition, cause branches and leaves and steamed twisted roll bent, even whole strain are withered or dead.Rice fulgorid, Insecta Homoptera Delphacidae insect, popular name fire midge worm inhales the plant juice crops such as paddy rice of causing harm with thorn.Aphid is claimed aphid, aphid etc. again, belongs to the Homoptera Aphidiadae more, is the insect of sucking mouth parts, often is clustered in position thorns such as blade, tender stem, bud, terminal bud and inhales juice, and the honeydew of its secretion also can bring out sooty mould, virus disease and cause ant harm etc.Scale insect is the insect of Homoptera Diaspididae, has valuable information for systematic on most of polypides, i.e. shell; Scale insect is a modal insect on flowers and the fruit tree, often is clustered on branch, leaf, the fruit, draws water and makes a living; Its secretion can also bring out sooty mould, and is very harmful.Insects such as Homoptera rice fulgorid, aphid, scale insect all have the breeding cycle short, breeding amount is big, generation overlap is obvious, characteristics such as be prone to develop immunity to drugs.
Corps diseases is one of main agricultural disaster of China, and it has, and kind is many, influence is big, also break out the characteristics of causing disaster often, and its occurrence scope and the order of severity often cause heavy losses to Chinese national economy, particularly agricultural production.And it is difficult with control, so should be to put prevention first integrated control that the back takes place disease.
Plant the clothing agent and can solidify to form the film that is called kind of clothing at the surface of the seed.Imbibition is not and dissolved in soil to plant the clothing agent, and normal required moisture and the air that germinate of permission seed passes through, and materials such as contained agricultural chemicals and seed manure slowly discharge.So, to plant the clothing agent and have the soil insect of killing, seedling stage insect, control sprout term disease and systemic disease improve percentage of seedgermination, promote the seedling healthy growth, reduce effects such as seed consumption, finally reach preventing disease pest control, the strong sprout of keeping a full stand of seedings, improve the purpose of output.Film forming agent in the agent of kind of clothing can guarantee that limited farm chemical ingredients is concentrated and act on seed and root, difficult drop-off with disperse, reduced agricultural chemicals in environment diffusion and to the contact of non-target, have bigger advantage with protecting aspect the environment reducing medication.Provide a kind of suspension seed-coating agent that can prevent and treat crops seedling stage sucking pest and disease simultaneously significant.
Summary of the invention
In view of this, the present invention provides a kind of suspension seed-coating agent that is used for the crop insecticide diseases prevention.This suspension seed-coating agent is used for seed treatment such as wheat, paddy rice, cotton, soybean, peanut can effectively prevent and treat sucking pests such as aphid in seedling stage, leafhopper, plant hopper, thrips, aleyrodid, and disease such as above-mentioned various crop root rot, damping off, fusarium wilt, stalk break, bakanae disease, bunt.
In order to realize the foregoing invention purpose, the present invention provides following technical scheme:
The invention provides a kind of composition that is used for the crop insecticide diseases prevention, active ingredient is MTI-446 and fludioxonil.
MTI-446 (dinotefuran) is the third generation nicotinic insecticide of Mitsui chemical company exploitation.The chemical constitution of itself and existing nicotinic insecticide is far from each other, and chloro-pyridine base, chloro thiazolyl before its tetrahydrofuran base has replaced do not contain the halogen family element.Simultaneously, also different at aspect of performance with nicotine, so people are referred to as " furans nicotine " at present.MTI-446 acts on AchR, can block the normal neurotransmission of insect, and reach insecticidal effect.This medicament have tag, strong, the quick-acting height of absorption in stomach toxicity and the root, characteristics such as the lasting period is long, insecticidal spectrum is wide, and sucking insect had excellent preventive effect, and promptly shown very high insecticidal activity at very low dosage.Be mainly used in aphid, leafhopper, plant hopper, thrips, aleyrodid and resistant strain thereof on the various crop such as control wheat, paddy rice, cotton, vegetables, fruit tree, tobacco leaf; Simultaneously to coleoptera, diptera and Lepidoptera and thrips pest efficient, as can effectively preventing and treating sanitary insect pests such as blattaria, termite, housefly.MTI-446 was introduced in Japan in 1993, obtained registration in the countries in Asia, this country and the European various countries that with the Korea S are representative later on.
Fludioxonil belongs to new pyrrole class, non-interior suction, broad-spectrum touch-out property bactericide.Be mainly used in and prevent and treat the disease that kind of biography and soil-borne disease bacterium such as Alternaria, Ascochyta, aspergillus, Fusarium, Helminthosporium, Rhizoctonia and Penicillium bacterium etc. cause in the crops such as wheat, barley, corn, pea, rape, paddy rice, ornamental crops, xylocarp, vegetables, grape and lawn.Be used for seed treatment, can prevent and treat the fungal disease of most of seed-borne fungi and soil infection.Stable in soil, form the protection zone at seed and seedling rhizosphere, prevent the germ invasion, the lasting period is long.The fludioxonil novel structure is difficult for and other bactericide generation cross resistance.
The present invention also provides a kind of pesticidal preparations that is used for the crop insecticide diseases prevention, comprises acceptable assistant in composition pesticide and the agricultural chemicals; Composition pesticide comprises MTI-446 and fludioxonil.
The present invention also provides a kind of suspension seed-coating agent, and by weight percentage, it is made up of following component:
In order to reach insecticidal effect preferably and the effect of preventing and treating disease, suspension seed-coating agent provided by the invention, by weight percentage, it is made up of following component:
In order to reach insecticidal effect preferably and the effect of preventing and treating disease, suspension seed-coating agent provided by the invention, by weight percentage, it is made up of following component:
In order to promote that wetting dispersion prevents its phase inter coagulation between particles of active components; In the suspension seed-coating agent provided by the invention, wetting agent is selected from PICO-NW1, TERSPERSE4894, TERSPERSE4896, SP-SC3, SP-SC29, fatty alcohol polyglycol ether sulphate, fat alcohol polyethylene ether, NPE, sorbitan fatty acid ester APEO, Fluhyzon formaldehyde condensation products.
In order to promote that wetting dispersion prevents its phase inter coagulation between particles of active components; In the suspension seed-coating agent provided by the invention, dispersant is selected from sodium methylene bis-naphthalene sulfonate (NNO), TERSPERSE2500, YUS-FS3000, YUS-TXC, DA-675, DA-646, SP-2728, sodium lignin sulfonate, calcium lignosulfonate, Sodium Polyacrylate, carboxymethyl cellulose, sodium phosphate trimer.
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; In the suspension seed-coating agent provided by the invention, film forming agent is selected from gum Arabic, animal glue, pectin, xanthans, sodium carboxymethylcellulose, ethyl cellulose, hydroxypropyl cellulose, sodium alginate, polyvinyl alcohol, polyethylene glycol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate.
Colouring agent is claimed alert toner again, can improve the safe in utilization of suspension seed-coating agent.In the suspension seed-coating agent provided by the invention, colouring agent is from basic rhodamine, water-based rhodo, acid scarlet, Fluorescein red 5B, Red-8110, Red-131, FGR-131.
In the suspension seed-coating agent provided by the invention, thickener is selected from xanthans, gum Arabic, methylcellulose, carboxymethyl cellulose, hydroxyethylcellulose, hydroxypropyl cellulose, PAA, sodium alginate, polyvinyl alcohol, polyvinylpyrrolidone, polyacrylamide, Sodium Polyacrylate.
Suspension seed-coating agent provided by the invention also comprises antifoaming agent and preservative, and antifoaming agent is selected from machine silicone, C
8-10Fatty alcohol, C
10-20Saturated fatty acid and ester class thereof; Preservative is selected from benzoic acid, Sodium Benzoate, Potassium Benzoate, sorbic acid, card pine.
In order to improve kind of the stability of the low-temperature storage of clothing agent, suspension seed-coating agent provided by the invention can also add antifreezing agent, and antifreezing agent is selected from ethylene glycol, propane diols, glycerine, hexylene glycol, urea, ammonium sulfate, sodium chloride or calcium chloride.
The preparation method of suspension seed-coating agent provided by the invention is: after dissolving fully mixes fully in water in proportion with wetting agent, dispersant, film forming agent, colouring agent, tackifier, antifreezing agent, preservative, antifoaming agent with active ingredient MTI-446 and fludioxonil; The input sand mill grinds, and reaches D until the grain fineness of suspension
50Be 2 ~ 3 μ m, D
90<8 μ m promptly get.
Suspension seed-coating agent provided by the invention; Composite with MTI-446 and fludioxonil as active ingredient; Have good film-forming property, even, the suspensibility advantages of higher of dressing; Can be widely used in the seed treatment of wheat, paddy rice, cotton, soybean, peanut and other crops, prevent and treat sucking pests such as above-mentioned crops seedling stage aphid, leafhopper, plant hopper, thrips, aleyrodid, and disease such as above-mentioned various crop root rot, damping off, fusarium wilt, stalk break, bakanae disease, bunt.Simultaneously can also improve seed germination rate, with not dressing comparison, germination rate can improve 6% ~ 10%.Suspension seed-coating agent provided by the invention is easy to use, handles kind of a period of the day from 11 p.m. to 1 a.m, both can dress seed by machinery, but also manual operation can be satisfied the needs of different user.
Embodiment
The invention discloses a kind of composition and preparation thereof that is used for the crop insecticide diseases prevention, 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.Method of the present invention and application are described through preferred embodiment; The related personnel obviously can change or suitably change and combination methods and applications as herein described in not breaking away from content of the present invention, spirit and scope, realizes and use technology of the present invention.
Raw materials used medicine and auxiliary agent all can be buied by market in the composition of a kind of disinsection prophylaxis provided by the invention and the preparation thereof.
Below in conjunction with embodiment, further set forth the present invention:
Embodiment 1 1.5% MTI-446 fludioxonil suspension seed-coating agent (being mass fraction)
Get dispersant YUS-FS3000, YUS-TXC and wetting agent PICO-NW1 and dissolve fully, add MTI-446, fludioxonil then successively, and other auxiliary agent, get into sand mill and grind, reach D until the grain fineness of suspension with distilled water
50Be 2～3 μ m, D
90<8 μ m promptly get.
The suspension seed-coating agent of embodiment of the invention preparation is red flowable suspension, and low temperature, heat storage stability are qualified, heat storage resolution ratio 4%, and suspensibility 97%, wet screening test 98% is through 45 μ m standard screens, grain fineness D
50Be 2 μ m.
Embodiment 24.0% MTI-446 fludioxonil suspension seed-coating agent
Get dispersant, wetting agent dissolves with distilled water fully, adds MTI-446, fludioxonil then successively, and other auxiliary agent gets into sand mill and grinds 2 times, reaches D until the grain fineness of suspension
50Be 2～3 μ m, D
90<8 μ m promptly get.
The suspension seed-coating agent of embodiment of the invention preparation is red flowable suspension, and low temperature, heat storage stability are qualified, heat storage resolution ratio 4%, and suspensibility 96%, wet screening test 98% is through 45 μ m standard screens, grain fineness D
50Be 2 μ m.
Embodiment 311% MTI-446 fludioxonil suspension seed-coating agent
Get dispersant, wetting agent dissolves with distilled water fully, adds MTI-446, fludioxonil then successively, and other auxiliary agent gets into sand mill and grinds, and reaches D until the grain fineness of suspension
50Be 2～3 μ m, D
90<8 μ m promptly get.
The suspension seed-coating agent of embodiment of the invention preparation is red flowable suspension, and low temperature, heat storage stability are qualified, heat storage resolution ratio 4%, and suspensibility 96%, wet screening test 98% is through 45 μ m standard screens, grain fineness D
50Be 3 μ m.
Embodiment 4 12% MTI-446 fludioxonil suspension seed-coating agents
Get dispersant, wetting agent dissolves with distilled water fully, adds MTI-446, fludioxonil then successively, and other auxiliary agent gets into sand mill and grinds, and reaches D until the grain fineness of suspension
50Be 2～3 μ m, D
90<8 μ m promptly get.
The suspension seed-coating agent of embodiment of the invention preparation is red flowable suspension, and low temperature, heat storage stability are qualified, heat storage resolution ratio 3%, and suspensibility 97%, wet screening test 99% is through 45 μ m standard screens, grain fineness D
50Be 2 μ m.
Embodiment 5 15% MTI-446 fludioxonil suspension seed-coating agents
Get dispersant, wetting agent dissolves with distilled water fully, adds MTI-446, fludioxonil active ingredient then successively, and other auxiliary agent gets into sand mill and grinds, reaching D50 until the grain fineness of suspension is 2～3 μ m, D
90<8 μ m promptly get.
The suspension seed-coating agent of embodiment of the invention preparation is red flowable suspension, and low temperature, heat storage stability are qualified, heat storage resolution ratio 5%, and suspensibility 97%, wet screening test 98% is through 45 μ m standard screens, grain fineness D
50Be 3 μ m.
Embodiment 6 field trials
In order further to understand the present invention, the present invention is elaborated below in conjunction with the application implementation example.A situation arises confirms suitable consumption according to controlling object according to the present invention, and formulation rate is that the weight ratio of kind of clothing agent and seed is 1:50～100 usually.
In order to further specify the effect of the present composition, carry out following test.This test is carried out in a peasant household field in Xinxiang, Henan Province, and supplying the examination wheat breed is Henan wheat 34, and preceding crop is a corn.Before wheat cultivation, carry out dressing with 2.5% MTI-446 suspension seed-coating agent, 2.5% fludioxonil suspension seed-coating agent, embodiment of the invention 1-5 product respectively, effective ingredient consumption is all the 15g/100kg seed.Other establishes the clear water contrast, and every processing repeats every sub-district area 30m 4 times
2, district's group is arranged at random.Investigate preventive effect respectively to aphid, thrips and the bunt of wheat, wheat damping off.
Diseases control investigation method: five point samplings.5 points of every sub-district picked at random, each is selected and gets 20 strain wheats and investigate.In the wheat during jointing stage investigation wheat damping off root system incidence of disease, in harvesting wheat investigation in preceding 10 days bunt of wheat dust-brand rate.The serious situation of falling ill is used the disease series expression.
0 grade: anosis;
1 grade: onset area accounts for 1%-5%;
2 grades: onset area accounts for 1%-5%;
3 grades: onset area accounts for 6%-20%;
5 grades: onset area accounts for 21%-40%;
7 grades: onset area accounts for 41%-60%;
9 grades: onset area accounts for more than 61%.
Dust-brand rate investigation: get the 1.5m duplicate rows at every and investigate total spike number and dust-brand rate.
Computational methods:
Disease index=[∑ (the sick numbers of sheets at different levels * relative level numerical value)/(investigating total strain number * 9)] * 100
Control efficiency %=[(contrast disease index-processing disease index)/contrast disease index] * 100
Dust-brand rate (%)=(the total strain number of dust-brand number/investigation) * 100
Control efficiency (%)=[(contrast dead ears rate-processing dead ears rate)/contrast dead ears rate] * 100
The insecticidal effect investigation:
Control efficiency (%)=(check plot borer population alive-treatment region borer population alive)/check plot borer population alive
Control efficiency is seen table 1.
Table 1 control efficiency
Can be known that by table 1 result suspension seed-coating agent provided by the invention is 74.5～93.5 to the preventive effect of aphid, be 76.8～91.6 to the preventive effect of thrips, is 72.4～89.6 to the preventive effect of the bunt of wheat, is 71.5～88.5 to the preventive effect of wheat damping off.It is thus clear that; Composition and the preparation thereof that is used for the crop insecticide diseases prevention provided by the invention; Composite with MTI-446 and fludioxonil as active ingredient; Can be widely used in the seed treatment of wheat, paddy rice, cotton, soybean, peanut and other crops, prevent and treat sucking pests such as above-mentioned crops seedling stage aphid, leafhopper, plant hopper, thrips, aleyrodid, and disease such as above-mentioned various crop root rot, damping off, root rot, fusarium wilt, stalk break, bakanae disease, bunt.
The above only is a preferred implementation of the present invention; 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 make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (4)
1. the composition of a disinsection prophylaxis is characterized in that, active ingredient is MTI-446 and fludioxonil.
2. a suspension seed-coating agent is characterized in that, by weight percentage, it is made up of following component:
3. suspension seed-coating agent according to claim 2 is characterized in that,
4. suspension seed-coating agent according to claim 2 is characterized in that,
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Cited By (8)
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| CN102939985A (en) * | 2012-10-18 | 2013-02-27 | 北京燕化永乐农药有限公司 | Pesticide composition |
| CN103004856A (en) * | 2013-01-07 | 2013-04-03 | 联保作物科技有限公司 | Insecticidal disease-resistant composition and suspended seed coating thereof |
| CN103766386A (en) * | 2014-01-26 | 2014-05-07 | 江西农业大学 | Suspended seed coating containing dinotefuran and pyraclostrobin and preparation method thereof |
| CN104068039A (en) * | 2014-06-27 | 2014-10-01 | 何芳 | Pesticide composition for fruits and vegetables |
| CN106973934A (en) * | 2017-05-12 | 2017-07-25 | 陕西上格之路生物科学有限公司 | A kind of agricultural insecticidal bactericidal composition |
| CN109315420A (en) * | 2018-10-15 | 2019-02-12 | 深圳诺普信农化股份有限公司 | A kind of dinotefuran oil suspension thermal fog and preparation method thereof |
| CN109463392A (en) * | 2018-10-15 | 2019-03-15 | 深圳诺普信农化股份有限公司 | A kind of dinotefuran oil base seed coat agent and preparation method thereof |
| CN111567531A (en) * | 2020-06-11 | 2020-08-25 | 甘肃省农业科学院植物保护研究所 | Seed coating agent for spring rape and application thereof |
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| CN109463392A (en) * | 2018-10-15 | 2019-03-15 | 深圳诺普信农化股份有限公司 | A kind of dinotefuran oil base seed coat agent and preparation method thereof |
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| CN109315420B (en) * | 2018-10-15 | 2021-10-19 | 深圳诺普信农化股份有限公司 | Dinotefuran oil suspension hot fogging concentrate and preparation method thereof |
| CN111567531A (en) * | 2020-06-11 | 2020-08-25 | 甘肃省农业科学院植物保护研究所 | Seed coating agent for spring rape and application thereof |
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Application publication date: 20121226 |