CN102845454B - Compound pesticide and fungicide - Google Patents
Compound pesticide and fungicide Download PDFInfo
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- CN102845454B CN102845454B CN201210387630.XA CN201210387630A CN102845454B CN 102845454 B CN102845454 B CN 102845454B CN 201210387630 A CN201210387630 A CN 201210387630A CN 102845454 B CN102845454 B CN 102845454B
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Abstract
The invention relates to compound pesticide and fungicide. The pesticide and fungicide comprises dinotefuran and tebuconazole which are utilized as active components. The compound pesticide and fungicide is efficient and low in toxicity, has excellent insecticide and sterilization activities to wheat aphid, damping off and banded sclerotial blight, generation of drug resistance is delayed while dosage of the pesticide and fungicide is reduced, the duration is prolonged, the pollution to the environment is reduced, and the plant safety is not hazarded.
Description
Technical field
The invention belongs to pesticide seed coating field, is to take the composite insecticidal bactericide that MTI-446 and Tebuconazole be 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, 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, aphid, aleyrodid and the resistant strain thereof in the various crop such as wheat, wheat, 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 sanitary insect pests such as ant, houseflies.
Tebuconazole (Tebuconazole) belongs to triazole bactericidal agent, 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.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.
Wheat aphid, damping off are main insect and the diseases of Wheat Seedling, and all there is generation in wheat in all parts of the country district, and wheat aphid is sucked the juice of wheat leaf, stem, tender fringe with adult, nymph.By harm, being just yellow stigma, is streak afterwards, and withered, whole strain becomes till death withered.The breathing and the photosynthesis that after wheat aphid harm, not only affect plant, the viral disease that also can spread disease, causes wheat yield and even total crop failure.
Wheat damping off claims again full rot, is a kind of soil-borne disease, and the soil is porous for general soil, fertility is low, and basic soil morbidity is heavier.Soil humidity is conducive to disease and occurs and expand.Full rot is a kind of root disease, only infects Mai Gen and basal part of stem 1-2 joint.Seedling stage, diseased plant was short and small, bottom Huang Yeduo, and in seminal root and ground, stem becomes grey black, causes wheat seeding to connect leaf withered when serious.Show the jaundice of disease seedling radical leaves on the ground, lobus cardiacus is involute, and the minimizing of tillering, grows weak, dead when serious.The postponement of turning green of sick seedling, short and small sparse, root blackening increases the weight of.
Summary of the invention
The object of the invention is to carry out rational mixture by MTI-446 and Tebuconazole, solution repeatedly repeats dispenser when plant disease and insect pest occur the same period makes troubles to user, and repeating the adverse effects such as poisoning that dispenser causes, this composite insecticidal bactericide is mainly used in preventing and treating wheat aphid, wheat damping off and banded sclerotial blight.
The present invention is a kind of with MTI-446 and the composite insecticidal bactericide forming of Tebuconazole, by formula indoor, screening the field efficacy of toxicity test experiment, mixture tests, the rational formula of clear and definite two kinds, the mass ratio that is MTI-446 and Tebuconazole is 50:1～1:10, all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element, under better formula, Wheat Seedling aphid and wheat damping-off control are reached to good effect.
The present composition can be prepared into by known method any one formulation that is applicable to agricultural use, and reasonable formulation is seed coat agent.
The auxiliary agent using in composition of the present invention comprises that wetting agent, dispersant, thickener, film forming agent 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 allow to use, be not particularly limited, concrete composition and consumption require to determine by test according to formula.
Composite insecticidal bactericide of the present invention can be used for the control of Wheat Seedling aphid, damping off, banded sclerotial blight, especially wheat aphid and damping off is had to good preventive effect.
The present invention has following remarkable result associating advantage: one,, after MTI-446 and Tebuconazole are mixed, expanded prevention and treatment range, Wheat Seedling insect pest and disease are had to dual control action; Two, MTI-446 and Tebuconazole be mixed after for wheat seed dressing, reduced drug cost, reduced peasant's labour intensity; Three, MTI-446 and Tebuconazole have increased the lasting period after being mixed, and four, after MTI-446 and Tebuconazole be mixed, improved the quality of wheat seedling.
Applicant has carried out formula screening study to MTI-446 and Tebuconazole, and specific experiment situation and result are as follows:
Experimental pharmacy adopts the former medicine of 95% MTI-446 and 95% Original Tebuconazole, by inventor, is mixed with required preparation, and the matched proportion density according to setting, is mixed with desired concn liquid standby.
The processing of seed: choose the rice paddy seed of particle homogeneous, respectively with liquid by standby after the surface of the seed dressing.
Experiment adopts pot-culture method.Wheat damping off: first by after Dressing after wheat Steeping and budding, be seeded into rhizoctonia solani (concentration 10
7cfu/g), in soil, after planting move on in illumination box and cultivate, 22 ℃ 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)
Wheat aphid: first by after Dressing after wheat Steeping and budding, be seeded in the soil with rhizoctonia solani, after planting move on in illumination box and cultivate, 22 ℃ of temperature, humidity 80～90%, grows to two leaves wholeheartedly time until wheat, inoculate 100 aphids on wheat seeding, 7d " Invest, Then Investigate " borer population alive.
Table 1 composite insecticidal bactericide indoor measurement result
As can be seen from the table, MTI-446 and Tebuconazole single dose do not have the double effects of desinsection and sterilization.MTI-446 and Tebuconazole mixture preparation have obvious control efficiency to aphid and wheat damping off.Meanwhile, it is long that mixture preparation can significantly improve plant height, fresh weight and the root of wheat, and showing has effect in strong sprout to wheat after MTI-446 and Tebuconazole are mixed, and can improve the quality of wheat seedling.
Formulation Example
The present composition can be prepared into seed coat agent by known method; The auxiliary agent using comprises that dispersant, wetting agent, thickener, film forming agent etc. and other contribute to the known substance of active ingredient stable and performance drug effect in preparation, is all various compositions conventional in pesticidal preparations or that allow to use, is not particularly limited; The carrier that the present composition comprises can use any in preparation desinsection, bactericidal composition carrier used.
Wetting agent is natural wetting agent and anion wetting agent, as lignosulfonates, alkylsulfonate, laruyl alcohol etc. one or more, dispersant is anionic and nonionic, as one or more in alkylnaphthalene sulfonate, cresol sulfonic acid, aliphatic acid polyethenoxy ether, thickener has natural and synthetic, as xanthans, polyvinylpyrrolidone.
Film forming agent is suitable for doing the due requirement of seed coat agent, as gas permeability, water penetration after film forming with there is certain elasticity, optional binding agent has natural, semi-synthetic and complete synthetic macromolecular organic compound and inorganic compound, as sodium carboxymethyl starch, hydroxypropyl methylcellulose, ethyl cellulose, sodium alginate, suitable liquid-carrier comprises water and organic solvent, and water can be made solvent.
In order better to understand invention essence, with example, describe the technology contents of invention below in detail, 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.
Embodiment 1:11% MTI-446 Tebuconazole suspension seed-coating agent
By formula requirement, take 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 suspension seed-coating agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 8g～10g to be watered 80g～100g and mix 1kg wheat seed, the control efficiency of broadcasting latter 20 days wheat damping offs 88.12%～92.31%, the control efficiency of aphid is 90.76%～97.11%.
Embodiment 2:21% MTI-446 Tebuconazole suspension seed-coating agent
By formula requirement, take 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 suspension seed-coating agent, and through after the assay was approved, carrying out metering, distributing, packaging is finished product.
Use this mixture 8g～10g to be watered 80g～100g and mix 1kg wheat seed, the control efficiency of broadcasting latter 20 days wheat damping offs 89.81%～93.01%, the control efficiency of aphid is 93.86%～97.54%.
Embodiment 3:51% MTI-446 Tebuconazole suspension seed-coating agent
By formula requirement, take water as medium, former medicine, dispersant, wetting agent, film forming agent and antifreezing agent are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspension seed-coating agent through after the assay was approved, and carrying out metering, distributing, packaging is finished product.
Use this mixture 4g～5g to be watered 80g～100g and mix 1kg wheat seed, the control efficiency of broadcasting latter 20 days wheat damping offs 90.36%～95.66%, the control efficiency of aphid is 93.57%～97.40%.
Embodiment 4:33% MTI-446 Tebuconazole suspension seed-coating agent
By formula requirement, take water as medium, former medicine, dispersant, wetting agent, film forming agent and antifreezing agent are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspension seed-coating agent through after the assay was approved, and carrying out metering, distributing, packaging is finished product.
Use this mixture 8g～10g to be watered 80g～100g and mix 1kg wheat seed, the control efficiency of broadcasting latter 20 days wheat damping offs 91.41%～93.91%, the control efficiency of aphid is 93.86%～97.10%.
Embodiment 5:30% MTI-446 Tebuconazole suspension seed-coating agent
By formula requirement, take water as medium, former medicine, dispersant, wetting agent, film forming agent and antifreezing agent are joined in batching axe and mixed, after ball mill is pulverized, porphyrize in sand mill, makes suspension seed-coating agent through after the assay was approved, and carrying out metering, distributing, packaging is finished product.
Use this mixture 8g～10g to be watered 80g～100g and mix 1kg wheat seed, the control efficiency of broadcasting latter 20 days wheat damping offs 91.71%～93.62%, the control efficiency of aphid is 91.86%～94.26%.
Comparative example 1:20% MTI-446 wetting powder
By formula requirement, former medicine, dispersant, wetting agent and carrier are mixed by after cracker meal, with airslide disintegrating mill, be pulverized and mixed, 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 wheat seed, broadcast the control efficiency of latter 20 days aphids 78.15%～86.21%.
Comparative example 2:50% Tebuconazole wetting powder
By formula requirement, former medicine, dispersant, wetting agent and carrier are mixed by after cracker meal, with airslide disintegrating mill, be pulverized and mixed, 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 wheat seed, broadcast the control efficiency of latter 20 days wheat damping offs 83.98%～88.48%.
From above embodiment and comparative example, MTI-446 and Tebuconazole single dose do not have the double effects of pesticide-germicide, and MTI-446 and Tebuconazole are mixed, 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 wheat in whole seedling stage, reduce labour intensity.
Claims (3)
1. a composite insecticidal bactericide, it is characterized in that: contain two kinds of active ingredients of insecticidal active ingredient MTI-446 and bactericidal active ingredient Tebuconazole, wherein the mass ratio of MTI-446 and Tebuconazole is between 50:1～1:10, and all the other are in agricultural chemicals, to allow to use and acceptable auxiliary element.
2. composite insecticidal bactericide according to claim 1, is characterized in that: its formulation is suspension seed-coating agent.
3. a purposes for composite insecticidal bactericide according to claim 1, is characterized in that: for preventing and treating wheat aphid, wheat damping off, wheat sharp eyespot.
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| CN103664415A (en) * | 2013-12-16 | 2014-03-26 | 辽宁南洋肥业有限公司 | Organic biological compound pesticide fertilizer and preparation method thereof |
| CN105265469B (en) * | 2014-07-09 | 2018-03-20 | 江苏龙灯化学有限公司 | A kind of Fungicidal insecticidal composition |
| CN104472507B (en) * | 2014-11-27 | 2016-06-15 | 安徽省农业科学院植物保护与农产品质量安全研究所 | A kind of Bactericide composition preventing and treating soil-borne disease |
| CN104604925A (en) * | 2014-12-24 | 2015-05-13 | 陈燕婷 | Nicotine seed treatment agent composition |
| CN106508950A (en) * | 2016-11-04 | 2017-03-22 | 淄博市农业科学研究院 | Compound seed coating agent containing pyraclostrobin, tebuconazole and dinotefuran, and application thereof |
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| CN1554234A (en) * | 2003-12-24 | 2004-12-15 | 山东农业大学 | High efficiency low poisonness corn seed coating agent |
| WO2007005470A2 (en) * | 2005-06-29 | 2007-01-11 | Syngenta Participations Ag | Liquid compositions for treating plant propagation materials |
| EP2039248A1 (en) * | 2007-09-21 | 2009-03-25 | Bayer CropScience AG | Active agent combinations with insecticide and acaricide properties |
| EA201001231A1 (en) * | 2008-02-05 | 2011-08-30 | Басф Се | PESTICIDAL MIXTURES |
| CN102405927A (en) * | 2011-11-21 | 2012-04-11 | 广东中迅农科股份有限公司 | Wheat seed coating agent |
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Address after: 101105 Beijing city Tongzhou District Yongle Town East Village Naruhito service Applicant after: BEIJING YANHUA YONGLE PESTICIDES CO.,LTD. Address before: 101105 Beijing city Tongzhou District Yongle Town East Village Naruhito service Applicant before: Beijing Yoloo Pesticide Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: BEIJING YOLOO PESTICIDE CO., LTD. TO: BEIJING YANHUA YONGLE BIOTECHNOLOGY CO., LTD. |
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Address after: 101105 Beijing city Tongzhou District Yongle Town East Village Naruhito service Applicant after: Beijing Yanhua Yongle Biotechnology Co., Ltd. Address before: 101105 Beijing city Tongzhou District Yongle Town East Village Naruhito service Applicant before: BEIJING YANHUA YONGLE PESTICIDES CO.,LTD. |
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Address after: 102488, Beijing, Fangshan District Star Street, No. 1 hospital green sail, No. 16, building 8 Patentee after: Beijing Yanhua Yongle Biotechnology Co., Ltd. Address before: 101105 Beijing city Tongzhou District Yongle Town East Village Naruhito service Patentee before: Beijing Yanhua Yongle Biotechnology Co., Ltd. |
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Effective date of registration: 20171218 Address after: 063600 Leting County Economic Development Zone, Tangshan City, Hebei Patentee after: Yanhua Yongle (Leting) Biological Technology Co. Ltd. Address before: 102488, Beijing, Fangshan District Star Street, No. 1 hospital green sail, No. 16, building 8 Patentee before: Beijing Yanhua Yongle Biotechnology Co., Ltd. |
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