CN102860318A - Pest-killing bactericidal combination - Google Patents

Pest-killing bactericidal combination Download PDF

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CN102860318A
CN102860318A CN2012103884274A CN201210388427A CN102860318A CN 102860318 A CN102860318 A CN 102860318A CN 2012103884274 A CN2012103884274 A CN 2012103884274A CN 201210388427 A CN201210388427 A CN 201210388427A CN 102860318 A CN102860318 A CN 102860318A
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rice
pest
mti
killing
azoles alcohol
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CN102860318B (en
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杨会营
刘晓娇
张�浩
王占娣
蔡朝阳
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Yanhua Yongle (Leting) Biological Technology Co. Ltd.
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Beijing Yanhua Yongle Pesticide Co Ltd
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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

A kind of insecticidal and bactericidal composition
Technical field
The invention belongs to pesticide field, is the insecticidal and bactericidal composition take MTI-446 and own azoles alcohol as active ingredient specifically.
Technical background
MTI-446 (dinotefuran) is the novel nicotinamide insecticide that Mitsui East Asia KCC develops and went on the market in 2002.It is the unique not chloride atom of bases insecticide and aromatic ring.Be referred to as third generation nicotinic insecticide, have super-high-efficient, wide spectrum, consumption is few, toxicity is low (preparation little poison level), lasting medicine, to crop without poisoning, use the advantage such as safety.This medicament have tag, strong, the quick-acting height of absorption in stomach toxicity and the root, the characteristics such as the lasting period is long, insecticidal spectrum is wide, and sucking insect had excellent preventive effect, and namely shown very high insecticidal activity at very low dosage.Be mainly used in preventing and treating aphid, leafhopper, plant hopper, thrips, aleyrodid and resistant strain thereof on the various crop such as wheat, paddy rice, cotton, vegetables, fruit tree, tobacco leaf, simultaneously coleoptera, diptera and Lepidoptera, diptera, beetle order and total wing order insect are had efficiently, and to blattaria, have efficiently from sanitary insect pests such as ant, houseflies.
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 dead.Have 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 such as powdery mildew, rust, scab, brown spot, anthracnose, banded sclerotial blight, false smut etc. are had preferably preventive and therapeutic action.
Suspension seed-coating agent be take water as medium by certain mechanical means, process one or more solids or liquid pesticidal, it is evenly dispersed in the 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 characteristics such as efficient, safety, environmental protection, compares with traditional seed soaking agent, seed dressing, have medication accurately, medicine film difficult drop-off, economize medicine, slow advantages 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, be injured after the booting, pistil hypoplasia in the floral organ affects solid.
Rice seedling blight is that paddy rice often sends out the venereal disease evil, on the Seedling Quality in Rice impact greatly, dredge two kinds of damping off minute 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 is few or without new root, seedbed rice shoot flavescence occurs when light
Infection center becomes the pan bottom shape yellow, and rice shoot is withered in flakes when heavy; The pathologic damping off is owing to disease fungus in the soil infects a class disease of initiation, show as the butt rot of rice shoot plant, dwarfing, yellow, root is easily broken during with the hand-lifting plant, 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 untimely, all dead to cause whole rice shoot.
Summary of the invention
The object of the invention is to carry out rational mixture by MTI-446 and own azoles alcohol, solution repeatedly repeats dispenser when plant disease and insect pest occur the same period make troubles to the user, and repeat the adverse effects such as poisoning that dispenser causes, 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 that forms of own azoles alcohol, field efficacy experiment by the experiment of formula indoor screening toxicity test, mixture, clear and definite two kinds rational formula, the mass ratio that is MTI-446 and own azoles alcohol is 1:12~12:1, all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element, under better formula, the disease control of stunting reaches preferably effect to rice seedling rice thrips and rice seedling blight.
The present composition can be prepared into by known method the suspension seed-coating agent that is fit to agricultural use.
The auxiliary agent that uses in the composition of the present invention comprises a minute 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 be various compositions commonly used in the pesticidal preparations or that permission is used, be not particularly limited, concrete composition and consumption require to determine by test according to prescription.
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 good preventive effect.
The present invention has following remarkable result associating advantage: after one, MTI-446 and own azoles alcohol are mixed, strengthened the control efficiency to rice dwarf virus disease, rice seedling insect and disease are had dual control action; Two, be used for the paddy rice seed dressing after MTI-446 and own azoles alcohol are mixed, less drug cost has reduced peasant's labour intensity; Three, prolonged control efficiency after MTI-446 and own azoles alcohol are mixed, four, after MTI-446 and own azoles alcohol is mixed, can promote young rice seedlings growth, have keep a full stand of seedings, strong sprout and disease-resistant effect.
The applicant has carried out the prescription screening study to MTI-446 and own azoles alcohol, specifically tests situation and the result is 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 the inventor, and the matched proportion density according to setting is mixed with the desired concn liquid for subsequent use.
The processing of seed: choose the rice paddy seed of particle homogeneous, for subsequent use after with the surface of the seed dressing with liquid respectively.
Pot-culture method is adopted in experiment.Rice seedling blight: first with behind the Dressing behind the paddy rice Steeping and budding, be seeded into rhizoctonia solani (concentration 10 7Cfu/g) in the soil, after planting move on in the illumination box and cultivate, 27 ℃ of temperature, humidity 80 ~ 90% is observed 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)
Figure BDA0000225012341
Figure BDA0000225012342
The paddy rice rice thrips: first with behind the Dressing behind the paddy rice Steeping and budding, after planting move on in the illumination box and cultivate, 27 ℃ of temperature, humidity 80%~90% is treated that paddy rice is long wholeheartedly the time, inoculate 100 thrips on rice seedling, 7d, 15d " Invest, Then Investigate " work borer population to two leaves.
Figure BDA0000225012343
Figure BDA0000225012344
The indoor measurement result of table 1 different blended preparaton and single dose
Figure BDA0000225012345
As can be seen from the table, 30d behind the 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 does 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, show that MTI-446 and own azoles alcohol are mixed and rear paddy rice are had strong sprout effect, can improve the quality of rice seedlings.
Formulation Example
The present composition can be prepared into by known method the suspension seed-coating agent that is fit to agricultural use, the auxiliary agent that uses comprises that dispersant, wetting agent, thickener, film forming agent, warning colouration dyestuff etc. reach other and help active ingredient to stablize and bring into play the known substance of drug effect in preparation, all be various compositions commonly used in the 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 used any carrier.
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, such as xanthans, polyvinylpyrrolidone.
Film forming agent is the element of most critical in the suspension seed-coating agent, and good film forming agent even can firmly be attached to the surface of the seed at a lower temperature, does not come off, adhesion yet, and film forming agent commonly used has polyethylene glycol, polyvinyl alcohol, polyvinylpyrrolidone.
The warning colouration dyestuff is water-soluble and oil-soluble dyes, such as permanent bordeaux.
In order better to understand invention essence, the below describes the technology contents of invention 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 the preparation.
The own azoles alcohol of embodiment 1:24% MTI-446 suspension seed-coating agent
Figure BDA0000225012346
By the prescription requirement, take water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined batching mix in the axe, after ball mill was pulverized, porphyrize in sand mill was made 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 the 1kg rice paddy seed, the control efficiency of broadcasting rear 25 days paddy rice damping offs 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
Figure BDA0000225012347
Figure BDA0000225012348
By the prescription requirement, take water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined batching mix in the axe, after ball mill was pulverized, porphyrize in sand mill was made 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 the 1kg rice paddy seed, broadcast the control efficiency of rear 25 days paddy rice damping offs 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
Figure BDA0000225012349
By the prescription requirement, take water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined batching mix in the axe, after ball mill was pulverized, porphyrize in sand mill was made 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 the 1kg rice paddy seed, the control efficiency of broadcasting rear 25 days paddy rice damping offs 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
Figure BDA00002250123410
Figure BDA00002250123411
By the prescription requirement, take water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined batching mix in the axe, after ball mill was pulverized, porphyrize in sand mill was made 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 the 1kg rice paddy seed, the control efficiency of broadcasting rear 25 days paddy rice damping offs 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
Figure BDA00002250123412
By the prescription requirement, take water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined batching mix in the axe, after ball mill was pulverized, porphyrize in sand mill was made 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 the 1kg rice paddy seed, the control efficiency of broadcasting rear 25 days paddy rice damping offs 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
Figure BDA00002250123413
By the prescription requirement, take water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined batching mix in the axe, after ball mill was pulverized, porphyrize in sand mill was made 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 the 1kg rice paddy seed, broadcast the control efficiency of rear 25 days rice thripses 90.15%~91.21%.
Comparative example 2
Figure BDA00002250123415
By the prescription requirement, take water as medium, former medicine, dispersant, suspending agent and antifreezing agent etc. are joined batching mix in the axe, after ball mill was pulverized, porphyrize in sand mill was made 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 the 1kg rice paddy seed, broadcast the control efficiency of rear 25 days paddy rice damping offs 89.98~91.48%.
By above-described embodiment and comparative example as can be known, MTI-446 and own azoles alcohol single dose do not have the double effects of pesticide-germicide, and MTI-446 and own azoles alcohol are mixed the expanding prevention scope.But reach dispenser and once get final product the again double effects of sterilization of insect protected.Mix at seeding time medicine and once can prevent and treat the damage by disease and insect of whole Rice Seedlings, reduce labour intensity.
What need to understand is: 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; rather than to the restriction of mentality of designing of the present invention; any combination, increase and modification that is no more than mentality of designing of the present invention all falls within the scope of protection of the present invention.

Claims (4)

1. an insecticidal and bactericidal composition is characterized in that: contain the own azoles alcohol of insecticidal active ingredient MTI-446 and bactericidal active ingredient.
2. composition according to claim 1 is characterized in that: wherein the mass ratio of MTI-446 and own azoles alcohol is between 1:12~12:1, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
3. composition according to claim 1 and 2, it is characterized in that: its formulation is suspension seed-coating agent.
4. composition according to claim 1 and 2 is characterized in that: be mainly used in preventing and treating paddy rice thrips, damping off, the disease of stunting.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103931647A (en) * 2014-03-16 2014-07-23 广东中迅农科股份有限公司 Compound pesticide preparation
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07173157A (en) * 1993-10-26 1995-07-11 Mitsui Toatsu Chem Inc Insecticidal tetrahydrofuran derivative
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07173157A (en) * 1993-10-26 1995-07-11 Mitsui Toatsu Chem Inc Insecticidal tetrahydrofuran derivative
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103931647A (en) * 2014-03-16 2014-07-23 广东中迅农科股份有限公司 Compound pesticide preparation
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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