CN103039536A - Pesticide composition with functions of preventing and controlling nematodes - Google Patents
Pesticide composition with functions of preventing and controlling nematodes Download PDFInfo
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- CN103039536A CN103039536A CN2012105770884A CN201210577088A CN103039536A CN 103039536 A CN103039536 A CN 103039536A CN 2012105770884 A CN2012105770884 A CN 2012105770884A CN 201210577088 A CN201210577088 A CN 201210577088A CN 103039536 A CN103039536 A CN 103039536A
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- fosthiazate
- nematode
- flos tagetis
- tagetis erectae
- preventing
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Abstract
The invention relates to a pesticide composition with functions of preventing and controlling nematodes. The pesticide active ingredients comprise fosthiazate and marigold extract. The fosthiazate and the marigold extract can be processed into granules and are applicable to prevention and control of the nematodes. After the fosthiazate and the marigold extract are compounded, obvious synergism is achieved, the prevention and control effect is improved, the dosage of the pesticide is reduced, the environmental pollution caused by the pesticide is reduced, and the resistance of the nematodes on the fosthiazate and the marigold extract is reduced.
Description
Technical field
The invention belongs to the composition pesticide technical field, be specifically related to a kind of composition pesticide take fosthiazate and Flos Tagetis Erectae extract as active ingredient.
Background technology
Plant nematode mainly comprises: Meloidogyne (Meloidogyne), kidney shape Turbatrix (Rotylenchulus), cyst roundworm [Heterodera (Heterodera)], root spot nematode (the short Turbatrix (Pratykenchus) of stopping), causing harm of nematode, can significantly reduce the absorption of Plant To Nutrient and moisture, the nematode plant of causing harm is caused wound, causes phytopathogen to invade.
The chemicals of control nematode have phonamiphos, carbofuran, terbufos, the contour malicious agricultural chemicals of cadusafos at present, and this type of agricultural chemicals is because of long-term single use, and nematode is larger to its pesticide resistance, and environmental pollution causes a hidden trouble.
Fosthiazate, English common name fosthiazate has and tags and systemic action, can be absorbed and upwards conduction by plant roots.Toxicity is lower, meets export of farm produce standard, is mainly used in preventing and treating nematode, aphid etc., and to root-knot nematode, pratylenchus has special efficacy.
Flos Tagetis Erectae extract is the material that is gone out to have eelworm-killing activity by the Aztec marigold tissue extraction, and chemical composition comprises thiophene-based, essential oil, Bao Su, flavones and glycoside etc., and it mainly is three polythiophenes and its derivative that nematode is had biologically active.
Being mixed of different pesticide species is the common methods of the agriculture resistance disease of control, worm, crop smothering.By the formulation of pesticide screening, filter out rational prescription, but the actual control efficiency of Effective Raise reduces dosage, reduces cost, delays the generation of disease drug resistance, is the important means of disease, worm, the crop smothering comprehensive regulation.The inventor conducts in-depth research the prescription screening of fosthiazate and Flos Tagetis Erectae extract, finds that fosthiazate and Flos Tagetis Erectae extract are mixed, and in certain mixed ratio scope nematode is had obvious synergistic effect, can effectively prevent and treat the crops nematode.After further study, finished the present invention.
Being mixed and using of fosthiazate and Flos Tagetis Erectae extract there is no report at present.
Summary of the invention
The object of the invention is to overcome the deficiency in the existing pesticide control nematode technology, the composition of fosthiazate and Flos Tagetis Erectae extract is provided, it has excellent synergy control efficiency.
The present invention is mixed with fosthiazate and Flos Tagetis Erectae extract and obtains granule, wherein the ratio of weight and number of fosthiazate and Flos Tagetis Erectae extract is 40:1～1:40, the preferred weight portion rate is 10:1～1:20, fosthiazate and the percentage by weight of Flos Tagetis Erectae extract weight summation in composition pesticide are 1%～60%, and all the other are auxiliary agent.
The production and processing method of the various application forms of composition pesticide of the present invention can be implemented by conventional method, all belongs to existing known technology, does not repeat them here.
The insecticide-applying way of composition pesticide of the present invention adopt spread fertilizer over the fields, ditch spread, spread manuer in holes etc. a kind of.Frequency of administration and amount of application change with weather conditions and nematode situation of the harm, can reach the purpose of control by using suitable dosage.
The present composition is applicable to prevent and treat elimination of underground destructive pests, especially prevents and treats nematode.
Compared with prior art, the invention has the advantages that: after 1, fosthiazate and Flos Tagetis Erectae extract are mixed, have obvious synergistic effect, improved control efficiency.2, after fosthiazate and Flos Tagetis Erectae extract are mixed, can overcome the shortcoming that single use easily produces resistance, delay the drug-fast generation of damage by disease and insect, prolong medicament service life.3, after fosthiazate and Flos Tagetis Erectae extract were mixed, drug effect significantly improved, and had reduced the agricultural chemicals usage amount, had reduced drug cost, had reduced infringement and the pollution of agricultural chemicals to ecotope.
Embodiment
In order to understand better essence of the present invention, below in conjunction with embodiment content of the present invention is described in further detail, mentioned content is not limitation of the invention among the embodiment, and the selection of the process conditions such as temperature, time can be suited measures to local conditions and the result be there is no substantial effect among the preparation method.
The present invention is mixed with fosthiazate and Flos Tagetis Erectae extract and obtains granule, wherein the ratio of weight and number of fosthiazate and Flos Tagetis Erectae extract is 40:1～1:40, the preferred weight portion rate is 10:1～1:20, fosthiazate and the percentage by weight of Flos Tagetis Erectae extract weight summation in composition pesticide are 1%～60%, and all the other are auxiliary agent.
Described auxiliary agent comprises carrier 70-90%, adhesive 0.5-10%, coating agent 0.1-0.3%, dyestuff: 0.05-0.5%.
Wherein, described carrier is a kind of in particle diameter 8-20 purpose river sand, quartz sand, the deposed brick slag.
Wherein, described binding agent is viscosity kaolin, one or both compositions in attapulgite, paraffin, rosin, gelatinized starch, xanthans, carboxymethyl cellulose, carboxyethyl cellulose, the methylcellulose.
Wherein, described coating agent is one or several in polyvinyl alcohol, polyvinylpyrrolidone, mylar, acrylic acid synthetic polymer, acrylic resin film forming agent, butadiene resin film forming agent, polyurethane finishing agent, the cellulose nitrate film forming agent.
Wherein, a kind of for in the disperse red, disperse blue, disperse violet, reactive red, reactive blue, reactive yellow of described dyestuff.
The preparation method of above-mentioned Prochloraz (prochloraz-manganese chloride complex) comprises the steps:
Fosthiazate 6.0%; Flos Tagetis Erectae extract 4.0%; Attapulgite 2.0%; Polyvinylpyrrolidone 0.15%; Reactive blue 0.1%; Quartz sand 87.75%.
According to fertilizer granules preparation method of the present invention, above-mentioned material is mixed in airtight compounding kettle, the granulation of coating method, under 120 ℃ of conditions, be dried to particle water content 1%, screening, 4000 microns of particle size ranges (μ m) through after the assay was approved, namely obtain 10% fosthiazate Flos Tagetis Erectae extract granule.
Biologicall test embodiment 1: fosthiazate and Flos Tagetis Erectae extract are mixed to the indoor biometrics test of cucumber root-knot nematode.
Test method: get the cucumber root that produces a large amount of root knots, running water is rinsed well gently, with the dissecting needle milky egg capsule on the picking old complaint gently, put into the little culture dish of diameter 6cm, add a small amount of sterile water, in 25 ℃ of insulating boxs, hatch 3～4d, collect 2 instar larvaes, and the adding sterile water is for subsequent use with the suspension that it is mixed with finite concentration (about 500/milliliter).
Set 5 concentration gradients and process, take sterile water as blank.Get 96 porocyte culture plates, every hole adds medicament 150 microlitres of the variable concentrations for preparing, add again isopyknic nematode suspension, moisturizing is cultivated under 25 ℃ of conditions, different time after processing checks amount of survival and the dead quantity of southern nematode 2 instars respectively, nematode is the stiff motionless dead worm that is, nematode is crooked wriggling state and is the worm that lives.Calculate lethality and corrected mortality.
According to survey data, calculate the corrected mortality that each is processed.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T1154.1-2006.If contrast lethality＜5% is not proofreaied and correct; The contrast lethality is proofreaied and correct between 5%-20%; Contrast lethality＞20%, test need be reformed.Take the logarithm value of drug concentration (mg/L) as independent variable x, take the probit value of corrected mortality as dependent variable y, set up respectively the virulence regression equation formula, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50, LC
90, 95% confidence limit and mixture co-toxicity coefficient thereof, relatively synergy situation.According to the NY/T11547.7-2006 insecticide synergy criteria for classifying: co-toxicity coefficient (CTC value) 〉=120 shows as synergistic effect; Co-toxicity coefficient (CTC value)≤120 shows as antagonism; 80＜co-toxicity coefficient (CTC value)＜80 shows as summation action.
Measurement result shows, the scope of the composite proportioning 10:1 of fosthiazate and Flos Tagetis Erectae extract～1:20 is interior to nematode CTC value 〉=120, illustrate that the synergy that fosthiazate and Flos Tagetis Erectae extract are mixed to nematode belongs to synergistic effect, fosthiazate and Flos Tagetis Erectae extract be composite to have reasonability and feasibility.
Table 1, different proportioning fosthiazate and Flos Tagetis Erectae extract are surveyed the synergy of cucumber root-knot nematode
Fixed.
Biologicall test embodiment 2: fosthiazate and Flos Tagetis Erectae extract are mixed to the field control effectiveness test of cucumber root-knot nematode.
Test medicine: (1) 10% fosthiazate Flos Tagetis Erectae extract granule, (2) 10% fosthiazate granules, (3) 10% Flos Tagetis Erectae extract granules.
Spraying time: transplant cucumber and to be watered the filling root in rear 7 days.
Result of the test: see Table 2, as can be seen from the test results: after the dispenser 20 days, 30 days, the effect of 1000-2000 g/acre of control of composition pesticide 10% fosthiazate Flos Tagetis Erectae extract granular preparation consumption of the present invention cucumber root-knot nematode is more than 85.92%, significantly better than single dose, illustrate that composition pesticide of the present invention can prevent and treat the crops nematode well, reduce dosage, reduce cost, delay the drug-fast generation of nematode, reduced environmental pollution.
The field control effectiveness test result of table 2, control cucumber root-knot nematode.
Claims (5)
1. composition pesticide of preventing and treating nematode, it is characterized in that: active ingredient is fosthiazate and Flos Tagetis Erectae extract.
2. a kind of composition pesticide of preventing and treating nematode according to claim 1, it is characterized in that: the ratio of weight and number of fosthiazate and Flos Tagetis Erectae extract is 40:1～1:40, and fosthiazate and the percentage by weight of Flos Tagetis Erectae extract weight summation in composition pesticide are 1%～60%.
3. a kind of composition pesticide of preventing and treating nematode according to claim 2, it is characterized in that: the ratio of weight and number of fosthiazate and Flos Tagetis Erectae extract is 10:1～1:20.
4. a kind of composition pesticide of preventing and treating nematode according to claim 1 is characterized in that: the composition pesticide of described control nematode is processed into granule.
5. each described a kind of composition pesticide of preventing and treating nematode according to claim 1～4 is characterized in that for control crops nematode.
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| CN201210577088.4A CN103039536B (en) | 2012-12-27 | 2012-12-27 | Pesticide composition with functions of preventing and controlling nematodes |
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| CN201210577088.4A CN103039536B (en) | 2012-12-27 | 2012-12-27 | Pesticide composition with functions of preventing and controlling nematodes |
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| CN103039536B CN103039536B (en) | 2014-12-31 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355706A (en) * | 2014-11-15 | 2015-02-18 | 云南农业大学 | Oyster mushroom residue organic fertilizer and application method thereof |
| CN107467093A (en) * | 2017-09-28 | 2017-12-15 | 惠州市支持网知识产权运营有限公司 | A kind of agriculturally useful compositions containing Chinese herbal medicine |
| CN107581199A (en) * | 2017-10-30 | 2018-01-16 | 赖丰光 | A kind of nematicidal composition containing fosthiazate |
| CN113994960A (en) * | 2021-12-01 | 2022-02-01 | 江西省农业科学院植物保护研究所 | Pharmaceutical composition and pharmaceutical preparation for preventing and treating peanut root-knot nematode and preparation method thereof |
| CN113994980A (en) * | 2021-12-07 | 2022-02-01 | 济南栖圣农林科技有限公司 | Composition for preventing and treating pine wood nematode as well as preparation method and application thereof |
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| EP1967057A1 (en) * | 2007-03-06 | 2008-09-10 | Bayer CropScience AG | Safeguarding seed safety of treated seeds |
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| CN102388912A (en) * | 2011-10-19 | 2012-03-28 | 广东中迅农科股份有限公司 | Fosthiazate aqueous emulsion and preparation method thereof |
| CN102388916A (en) * | 2011-10-19 | 2012-03-28 | 广东中迅农科股份有限公司 | Pesticide composition containing chlorpyrifos and fosthiazate |
| CN102613256A (en) * | 2012-02-24 | 2012-08-01 | 袁为祥 | Plant medicine of tobacco root knot nematode disease and preparation method thereof |
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| WO2007132224A2 (en) * | 2006-05-12 | 2007-11-22 | Plant Impact Plc. | Nematicidal composition |
| EP1967057A1 (en) * | 2007-03-06 | 2008-09-10 | Bayer CropScience AG | Safeguarding seed safety of treated seeds |
| CN101422162A (en) * | 2008-12-09 | 2009-05-06 | 昆明线敌生物科技有限公司 | Plant source preparation for preventing and treating Meloidogyne incognita disease and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355706A (en) * | 2014-11-15 | 2015-02-18 | 云南农业大学 | Oyster mushroom residue organic fertilizer and application method thereof |
| CN107467093A (en) * | 2017-09-28 | 2017-12-15 | 惠州市支持网知识产权运营有限公司 | A kind of agriculturally useful compositions containing Chinese herbal medicine |
| CN107581199A (en) * | 2017-10-30 | 2018-01-16 | 赖丰光 | A kind of nematicidal composition containing fosthiazate |
| CN113994960A (en) * | 2021-12-01 | 2022-02-01 | 江西省农业科学院植物保护研究所 | Pharmaceutical composition and pharmaceutical preparation for preventing and treating peanut root-knot nematode and preparation method thereof |
| CN113994980A (en) * | 2021-12-07 | 2022-02-01 | 济南栖圣农林科技有限公司 | Composition for preventing and treating pine wood nematode as well as preparation method and application thereof |
| CN113994980B (en) * | 2021-12-07 | 2022-10-04 | 济南栖圣农林科技有限公司 | Composition for preventing and treating pine wood nematode as well as preparation method and application thereof |
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| CN103039536B (en) | 2014-12-31 |
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