CN102860318B - Pest-killing bactericidal combination - Google Patents
Pest-killing bactericidal combination Download PDFInfo
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- CN102860318B CN102860318B CN201210388427.4A CN201210388427A CN102860318B CN 102860318 B CN102860318 B CN 102860318B CN 201210388427 A CN201210388427 A CN 201210388427A CN 102860318 B CN102860318 B CN 102860318B
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The invention relates to a pest-killing bactericidal combination which comprises two active ingredients which are dinotefuran and hexaconazole. The pest-killing bactericidal combination is low in toxicity and efficient, is mainly used for prevention and treatment of rice seedling stage rice planthopper, rice thrips, rice blast, damping off, bacterial wilt, sheath blight and bakanae disease and has excellent pest-killing and bactericidal activity, generation of pesticide resistance is delayed while the using quantity is reduced, the lasting period is prolonged, pollution to the environment is reduced, and the pest-killing bactericidal combination is safe to plants and free of phytotoxicity.
Description
Technical field
The invention belongs to pesticide field, is the insecticidal and bactericidal composition taking MTI-446 and own azoles alcohol as active ingredient specifically.
Technical background
MTI-446 (dinotefuran) is the exploitation of Mitsui East Asia KCC the novel nicotinamide insecticide listing in 2002.It is the unique not chloride atom of bases insecticide and aromatic ring.Be referred to as third generation nicotinic insecticide, there is super-high-efficient, wide spectrum, consumption is few, toxicity is low (preparation micro-poison level), lasting medicine, to crop without poisoning, use the advantages such as safety.This medicament have tag, strong, the quick-acting height of absorption in stomach toxicity and root, the feature such as the lasting period is long, insecticidal spectrum is wide, and sucking insect is had to excellent preventive effect, and has shown very high insecticidal activity at very low dosage.Be mainly used in preventing and treating aphid, leafhopper, plant hopper, thrips, aleyrodid and the resistant strain thereof in the various crop such as wheat, paddy rice, cotton, vegetables, fruit tree, tobacco leaf, coleoptera, diptera and Lepidoptera, diptera, beetle order and total wing order insect are had efficiently simultaneously, and to blattaria, have efficiently from the sanitary insect pest such as ant, housefly.
Own azoles alcohol (Hexaconazole) belongs to azoles fungicide, sterol demethylation inhibitor, and the disease that fungi especially Basidiomycota and Ascomycota are caused has protection and the therapeutic action of broad spectrum activity.Destroy and stop the biosynthesis of the cell membrane important composition composition ergosterol of germ, cause cell membrane not form, make germ death.There is this medicine of interior suction, protection and therapeutic activity and can effectively prevent and treat the disease that sac fungi, basidiomycetes and imperfect fungus cause, especially basidiomycetes and the microbial disease of ascus are had to good preventive and therapeutic action as powdery mildew, rust, scab, brown spot, anthracnose, banded sclerotial blight, false smut etc.
Suspension seed-coating agent be taking water as medium by certain mechanical means, process one or more solids or liquid pesticidal, it is evenly dispersed in water with particulate form, and can keeps preferably stable suspension system.Be characterized in making medicament be coated on equably the surface of the seed by the effect of film forming agent, form the film of gas permeability, play the effect of desinsection and sterilization by the slow release of medicament.The water base chemical preparation of suspension seed-coating agent crop, has the features such as efficient, safety, environmental protection, compared with traditional seed soaking agent, seed dressing, have medication accurately, medicine film difficult drop-off, economize medicine, the slow advantage such as release.
Rice thrips, damping off are main insect and the diseases of rice seedling, all there is generation in rice in all parts of the country district, rice thrips with adult, nymph hazard rice, cause lobus cardiacus curling, not tensible of leaf sheath, blade is injured, and makes the tip contracting of hanging, vertical volume, after booting, be injured, pistil hypoplasia in floral organ, affects solid.
Rice seedling blight is that paddy rice often sends out venereal disease evil, on Seedling Quality in Rice impact greatly, dredge two kinds of damping off point physiological damping off and pathologic damping offs, the main pathogenic factor of physiological damping off is that rice shoot is to soil acidity or alkalinity, the uncomfortable disease symptom that occurs of liquid manure gas heat condition, show as plant dwarfing, flavescence, new root few or without new root, there is when light seedbed rice shoot flavescence
Infection center becomes pan bottom shape yellow, and when heavy, rice shoot is withered in flakes; Pathologic damping off is to infect a class disease of initiation due to disease fungus in soil, show as the butt rot of rice shoot plant, dwarfing, yellow, during with hand-lifting plant, root is easily broken, two kinds of damping offs are all very serious to rice seedling harm, as find evening, the method of preventing and treating is improper, prevents and treats not in time, all to cause overall rice shoot death.
Summary of the invention
The object of the invention is to carry out rational mixture by MTI-446 and own azoles alcohol, solve and in the time that plant disease and insect pest occur the same period, repeatedly repeat dispenser and make troubles to user, and repeat the adverse effects such as the poisoning that causes of dispenser, in particular for paddy rice rice thrips, rice seedling blight, the disease of stunting.
The present invention is a kind of with MTI-446 and the composite insecticidal and bactericidal composition forming of own azoles alcohol, screen the field efficacy experiment of toxicity test experiment, mixture by formula indoor, the rational formula of clear and definite two kinds, the mass ratio that is MTI-446 and own azoles alcohol is 1:12～12:1, all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element, under better formula, to rice seedling rice thrips and rice seedling blight, the disease control of stunting reaches good effect.
The present composition can be prepared into the suspension seed-coating agent that is applicable to agricultural use by known method.
The auxiliary agent using in composition of the present invention comprises a point film forming agent, wetting agent, dispersant, thickener, warning colouration dye well, and other are of value to the known substance of active ingredient stable and drug effect performance in preparation, all various compositions conventional in pesticidal preparations or that permission is used, be not particularly limited, concrete composition and consumption require to determine by test according to formula.
Insecticidal bactericide composition of the present invention can be used for the control of rice seedling rice fulgorid, rice thrips, rice blast, damping off, bacterial wilt, banded sclerotial blight and the disease of stunting, and especially rice thrips, damping off, the disease of stunting is had to good preventive effect.
The present invention has following remarkable result associating advantage: one,, after MTI-446 and own azoles alcohol mixture, strengthened the control efficiency to rice dwarf virus disease, rice seedling insect and disease are had to dual control action; Two, after MTI-446 and own azoles alcohol mixture for paddy rice seed dressing, less drug cost, has reduced peasant's labour intensity; Three, after MTI-446 and own azoles alcohol mixture, extended control efficiency, four, after MTI-446 and own azoles alcohol mixture, can promote young rice seedlings growth, have keep a full stand of seedings, strong sprout and disease-resistant effect.
Applicant has carried out formula screening study to MTI-446 and own azoles alcohol, and specific experiment situation and result are as follows:
Experimental pharmacy adopts the former medicine of 95% MTI-446 and the former medicine of 95% own azoles alcohol, is mixed with required preparation by inventor, according to the matched proportion density of setting, is mixed with desired concn liquid for subsequent use.
The processing of seed: choose the rice paddy seed of particle homogeneous, respectively with liquid by for subsequent use after the surface of the seed dressing.
Experiment adopts pot-culture method.Rice seedling blight: first by after Dressing after paddy rice Steeping and budding, be seeded into rhizoctonia solani (concentration 10
7cfu/g), in soil, after planting move on in illumination box and cultivate, 27 DEG C of temperature, humidity 80 ~ 90%, observes the situation of emerging every day, 20 days " Invest, Then Investigate " diseased plant rate and seedling quality thereof (comprise plant height, fresh weight, root are long, radical)
Paddy rice rice thrips: first by after Dressing after paddy rice Steeping and budding, after planting move on in illumination box and cultivate, 27 DEG C of temperature, humidity 80%～90%, grows to two leaves wholeheartedly time until paddy rice, inoculate 100 thrips on rice seedling, 7d, 15d " Invest, Then Investigate " work borer population.
The indoor measurement result of table 1 different blended preparaton and single dose
As can be seen from the table, 30d after medicine, the mixture preparation of MTI-446 and own azoles alcohol still has obvious control efficiency to rice thrips.And MTI-446 single dose and own azoles alcohol single dose do not have the double effects of desinsection and sterilization.MTI-446 and own azoles alcohol mixture preparation all have obvious control efficiency to rice thrips, rice seedling blight and rice dwarf virus disease, and plant height, fresh weight and the root that can significantly improve paddy rice are long, showing has effect in strong sprout to paddy rice after MTI-446 and own azoles alcohol mixture, can improve the quality of rice seedlings.
Formulation Example
The present composition can be prepared into the suspension seed-coating agent that is applicable to agricultural use by known method, the auxiliary agent using comprises that dispersant, wetting agent, thickener, film forming agent, warning colouration dyestuff etc. and other contribute to the known substance of active ingredient stable and performance drug effect in preparation, be all various compositions conventional in pesticidal preparations or that permission is used, be not particularly limited; The carrier that the present composition comprises can use any in preparation desinsection, bactericidal composition any carrier used.
Dispersion moisture agent is natural wetting agent and nonionic wetting agent, as poly naphthalene sulfonate class, alkylphenol polyoxyethylene class, polyoxyethylene polyoxypropylene base ether block copolymers etc. one or more, thickener has natural and synthetic, as xanthans, polyvinylpyrrolidone.
Film forming agent is the element of most critical in suspension seed-coating agent, and good film forming agent even if also can firmly be attached at a lower temperature the surface of the seed, does not come off, adhesion, and conventional film forming agent has polyethylene glycol, polyvinyl alcohol, polyvinylpyrrolidone.
Warning colouration dyestuff is water-soluble and oil-soluble dyes, as permanent bordeaux.
In order better to understand invention essence, describe the technology contents of invention below in detail with example, but the purposes of preventing and treating of the present invention is not limited to this.Percentage in the following example is the mass percent in preparation.
The own azoles alcohol of embodiment 1:24% MTI-446 suspension seed-coating agent
By formula requirement, taking water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspending agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 5g～6g to be watered 80g～100g and mix 1kg rice paddy seed, the control efficiency of broadcasting latter 25 days rice seedling blights 92.12%～95.31%, the control efficiency 90.88%～93.65% of rice dwarf virus disease, the control efficiency of rice thrips is 93.34%～95.88%.
The own azoles alcohol of embodiment 2:39% MTI-446 suspension seed-coating agent
By formula requirement, taking water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspending agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 3g～4g to be watered 80g～100g and mix 1kg rice paddy seed, broadcast the control efficiency of latter 25 days rice seedling blights in the control efficiency 88.96%～93.05% of 89.81%～94.01% rice dwarf virus disease, the control efficiency of rice thrips is 88.76%～94.17%.
The own azoles alcohol of embodiment 3:36% MTI-446 suspension seed-coating agent
By formula requirement, taking water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspending agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 3g～4g to be watered 80g～100g and mix 1kg rice paddy seed, the control efficiency of broadcasting latter 25 days rice seedling blights 90.17%～92.91%, the control efficiency 88.16%～91.95% of rice dwarf virus disease, the control efficiency of rice thrips is 91.77%～94.42%.
The own azoles alcohol of embodiment 4:22% MTI-446 suspension seed-coating agent
By formula requirement, taking water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspending agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 2g～3g to be watered 80g～100g and mix 1kg rice paddy seed, the control efficiency of broadcasting latter 25 days rice seedling blights 89.41%～92.91%, the control efficiency 88.86%～90.13% of rice dwarf virus disease, the control efficiency of rice thrips is 89.87%～92.59%.
The own azoles alcohol of embodiment 5:26% MTI-446 suspension seed-coating agent
By formula requirement, taking water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspending agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 5g～6g to be watered 80g～100g and mix 1kg rice paddy seed, the control efficiency of broadcasting latter 25 days rice seedling blights 90.96%～94.23%, the control efficiency 89.12%～92.01% of rice dwarf virus disease, the control efficiency of rice thrips is 90.29%～92.75%.
Comparative example 1
By formula requirement, taking water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspending agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 5g～6g to be watered 80g～100g and mix 1kg rice paddy seed, broadcast the control efficiency of latter 25 days rice thripses 90.15%～91.21%.
Comparative example 2
By formula requirement, taking water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspending agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 2g～3g to be watered 80g～100g and mix 1kg rice paddy seed, broadcast the control efficiency of latter 25 days rice seedling blights 89.98～91.48%.
From above-described embodiment and comparative example, MTI-446 and own azoles alcohol single dose do not have the double effects of pesticide-germicide, MTI-446 and own azoles alcohol mixture, expanding prevention scope.Reach dispenser once can insect protected again can sterilization double effects.Mix at seeding time medicine and once can prevent and treat the damage by disease and insect of whole Rice Seedlings, reduce labour intensity.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; instead of restriction to mentality of designing of the present invention; any combination, increase and amendment that is no more than mentality of designing of the present invention, all falls within the scope of protection of the present invention.
Claims (3)
1. an insecticidal and bactericidal composition, it is characterized in that: its active ingredient is made up of insecticidal active ingredient MTI-446 and the own azoles alcohol of bactericidal active ingredient, wherein the mass ratio of MTI-446 and own azoles alcohol is between 3:4～4:3, and all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element.
2. insecticidal and bactericidal composition according to claim 1, is characterized in that: its formulation is suspension seed-coating agent.
3. a purposes for insecticidal and bactericidal composition according to claim 1 and 2, is characterized in that: this insecticidal and bactericidal composition is used for preventing and treating paddy rice thrips, damping off, the disease of stunting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210388427.4A CN102860318B (en) | 2012-10-12 | 2012-10-12 | Pest-killing bactericidal combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210388427.4A CN102860318B (en) | 2012-10-12 | 2012-10-12 | Pest-killing bactericidal combination |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102860318A CN102860318A (en) | 2013-01-09 |
| CN102860318B true CN102860318B (en) | 2014-07-23 |
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| CN106359474A (en) * | 2016-08-31 | 2017-02-01 | 江苏星源生物科技有限公司 | Fungicidal composition for preventing and treating rice planthopper and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1566104A (en) * | 1998-06-10 | 2005-01-19 | 拜尔公司 | Agents for combating plant pests |
| CN101242739A (en) * | 2005-06-29 | 2008-08-13 | 先正达参股股份有限公司 | Liquid compositions for treating plant propagation materials |
| CN101541179A (en) * | 2006-11-29 | 2009-09-23 | 三井化学株式会社 | Pest control composition and method of preventing pest damage |
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| JP3258502B2 (en) * | 1993-10-26 | 2002-02-18 | 三井化学株式会社 | Insecticidal tetrahydrofuran derivative |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566104A (en) * | 1998-06-10 | 2005-01-19 | 拜尔公司 | Agents for combating plant pests |
| CN101242739A (en) * | 2005-06-29 | 2008-08-13 | 先正达参股股份有限公司 | Liquid compositions for treating plant propagation materials |
| CN101541179A (en) * | 2006-11-29 | 2009-09-23 | 三井化学株式会社 | Pest control composition and method of preventing pest damage |
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| JP特开平7-173157A 1995.07.11 |
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