CN104542696A - Methoxyfenozide and triazophos, pyridaphethione or fenitrothion compound pesticide - Google Patents
Methoxyfenozide and triazophos, pyridaphethione or fenitrothion compound pesticide Download PDFInfo
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- CN104542696A CN104542696A CN201510042827.3A CN201510042827A CN104542696A CN 104542696 A CN104542696 A CN 104542696A CN 201510042827 A CN201510042827 A CN 201510042827A CN 104542696 A CN104542696 A CN 104542696A
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Abstract
The invention relates to a methoxyfenozide and triazophos, pyridaphethione or fenitrothion compound pesticide, belonging to the technical field of pesticides. The methoxyfenozide and triazophos, pyridaphethione or fenitrothion compound pesticide disclosed by the invention contains the following substances in percentage by weight: 1.0-9.0% of methoxyfenozide, 11.0-19.0% of triazophos, or, 1.0-5.0% of methoxyfenozide, 15.0-19.0% of pyridaphethione, or, 2.0-4.0% of methoxyfenozide, and 41.0-43.0% of fenitrothion. According to the methoxyfenozide and triazophos, pyridaphethione or fenitrothion compound pesticide, for the toxicity test on chilo suppressalis, all the cotoxicity coefficients are more than 120; therefore, the methoxyfenozide and triazophos, pyridaphethione or fenitrothion compound pesticide has the obvious synergistic effect; the kind of compound agent is low or medium in toxicity, wide in insecticidal spectrum, quick in acting property and good in durable effect and also low in production cost; compared with the independent use of methoxyfenozide, the compound pesticide has the advantages that the control efficiency is improved by 15-25%; and the production cost is reduced by about 20%.
Description
Technical field
The invention belongs to technical field of pesticide, be specially methoxyfenozide and Hostathion, pyridaphethione or fenitrothion complex pesticide.
Background technology
Paddy rice is the principal item in China cereal crops, and cultivated area is large, and due to illness, worm, grass etc. endanger and cause production loss to reach 20 ~ 30%.The agricultural chemicals quantity that the disease of control paddy rice, worm, crop smothering use accounts for about 50% of China's agricultural chemicals year usage amount.The control area of the whole nation to Insect Pests in Rice, according to Ministry of Agriculture's statistics at about 1,200,000,000 mu, area controlled by insect outbreak year part medicine can be larger.
The pesticide species of control Insect Pests in Rice, along with the lifting of environmental requirement, the restriction of the factors such as the pesticide resistance of insect increases, the difficulty increase of the increase of pesticide cost and new varieties of pesticides development, changes more closely over several years.As the snout moth's larva class of paddy rice of causing harm, for striped rice borer.Nearly ten years, once large area uses the agricultural chemicals such as Cupric sulfate, dimehypo, sumithion, Hostathion.Come all because pesticide resistance produces year by year, control efficiency declines, after use the ethiprole and the relevant agricultural chemicals of insect hormone class that Bayer A.G produces instead, as flufenoxuron etc., equal to comparatively large on the impact of the beneficial organisms such as fish, shrimp, honeybee, be successively deactivated and reduce dosage.So that once causing the nothing effectively Pesticide use of environmental protection.In recent years quote the Rynaxypyr that du pont company produces, control efficiency is good, but price very high (4 ~ 5 times of suitable Hostathion mu consumption price).Current large area uses kind single, and pesticide resistance progressively comes out.
In order to improve China to large-scale production about pesticide species is to the control efficiency of rice grub, reducing drug-fast generation speed, reducing the pollution to environment, reducing the high price to Introduced From Abroad agricultural chemicals, unicity.Adopt the insect growth regulator, IGR of low toxicity and the organophosphorus agent of domestic large-scale production to carry out composite, through screening test, the obvious composition of selective advance, increases quick-acting and reduces drug-fast risk, reduces the main target that pesticide cost is this built agent.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the invention is to design the technical scheme that a kind of low toxicity or the methoxyfenozide poisoning, insecticidal spectrum is comparatively wide, production cost is low and Hostathion, pyridaphethione or fenitrothion complex pesticide are provided, both are composite has obvious synergistic effect, and it is good to the control efficiency of paddy rice lepidoptera pest, indoor measurement co-toxicity coefficient is large, and what field control practice can reach production requirement prevents and treats standard.
Described methoxyfenozide and Triazoxide as built-up agricultural chemical, is characterized in that the following material containing weight percentage: methoxyfenozide 1.0 ~ 9.0%, Hostathion 11.0 ~ 19.0%.
Described methoxyfenozide and Triazoxide as built-up agricultural chemical, is characterized in that methoxyfenozide 3.0 ~ 8.0%, Hostathion 13.0 ~ 17.0%.
Described methoxyfenozide and Triazoxide as built-up agricultural chemical, is characterized in that methoxyfenozide 4.0 ~ 6.0%, Hostathion 15.0 ~ 16.0%.
Described methoxyfenozide and pyridaphethione Recompounded pesticide, is characterized in that the following material containing weight percentage: methoxyfenozide 1.0 ~ 5.0%, pyridaphethione 15.0 ~ 19.0%.
Described methoxyfenozide and pyridaphethione Recompounded pesticide, is characterized in that methoxyfenozide 2.0 ~ 4.0%, pyridaphethione 16.0 ~ 18.0%.
Described methoxyfenozide and pyridaphethione Recompounded pesticide, is characterized in that methoxyfenozide 2.5 ~ 3.5%, pyridaphethione 16.5 ~ 17.5%.
Described methoxyfenozide and fenitrothion complex pesticide, is characterized in that the following material containing weight percentage: methoxyfenozide 2.0 ~ 4.0%, sumithion 41.0 ~ 43.0%.
Described methoxyfenozide and fenitrothion complex pesticide, is characterized in that methoxyfenozide 2.5 ~ 3.5%, sumithion 41.5 ~ 42.5%.
Described methoxyfenozide and fenitrothion complex pesticide, is characterized in that methoxyfenozide 30%, sumithion 42%.
Methoxyfenozide (Methoxyfenozide), has another name called happiness; Intrepid; A kind of insect growth regulator, IGR that Runner is LG-DOW company, the enterprises registration of Shanghai favour photochemistry Co., Ltd is produced is the Novel bionic insecticide promoting that lepidopterous larvae is casted off a skin.Sterling is white powder, fusing point 202 ~ 205 DEG C, in dimethyl sulfoxide (DMSO), cyclohexanone, acetone equal solvent, have certain solubility.Low toxicity, Big and Little Rats anxious LD50 of passing through mouth > 5000mg/kg.Lepidoptera pest is taking food the crop leaf or cane after 6 ~ 8 hours that are sprayed with this medicine, namely stops taking food, and produces reaction of casting off a skin, owing to casting off a skin, disturb the normal development of insect, and cause larva to dewater, hunger and dead.The lepidoptera pests such as striped rice borer, cotton bollworm, beet armyworm, prodenia litura, cabbage caterpillar, lima bean pod borer can be prevented and treated.
Hostathion (Triazophos), have another name called EOE2960, triazophos, Hostathion, phentriazophos, a kind of organophosphorus insecticide that tens of insecticide factories such as Xin Nong chemical inc of China produce, have tag, stomach toxicity insecticidal action, insecticidal spectrum is wide.Be one of the major pharmaceutical agent of China control striped rice borer, paddy stem borer in the recent decade.Certain pesticide resistance is produced to striped rice borer at present.Meanwhile, this agricultural chemicals or a kind of miticide, also have certain lethal effect to nematode.
Pyridaphethione (Pyridaphenthino), has another name called benzene and to rattle away phosphorus, pyridaphenthione, Bi Fensong etc., for new Saden Chemical Co., Ltd. of Anhui Chizhou City of China produces without competition.Be a kind of efficient, low toxicity, low-residual broad-spectrum organic insecticide, have and tag and stomach poison function.To striped rice borer, two-spotted spider mite, there is good control efficiency.
Sumithion (Fenitrothon), has another name called OMS43, ENT-25715, Fenitox, Folithion etc., in China Ningbo City, Zhejiang Province, chemicals Co., Ltd, Deng Shiyujia insecticide factory of Jia Hua Group Co., Ltd produce.Be a kind of have strong etc. to tag, the pesticide species of stomach poison function, insecticidal spectrum is wide.Be widely used in water prevention rice borer, grain storage pest, fruit tree, vegetable-crop pest-insect etc.
Above-mentioned methoxyfenozide and Hostathion, pyridaphethione or fenitrothion complex pesticide, to the toxicity test of striped rice borer, co-toxicity coefficient is all greater than 120, have obvious synergistic effect, such built agent is low toxicity or poisoning, and insecticidal spectrum is wide, quick-acting all good with lasting effect, production cost is also lower, improves control efficiency 15 ~ 25% than alone methoxyfenozide, reduces production cost about 20%.
Proportioning in present patent application is the weight percentage of the pure material of active ingredient.
Embodiment
Below by way of specific embodiment, the invention will be further described, and further illustrate beneficial effect of the present invention in conjunction with corresponding test.
Described methoxyfenozide and the embodiment 1-4 of Triazoxide as built-up agricultural chemical:
Mixture 1: methoxyfenozide 1%, Hostathion 19%.
Mixture 2: methoxyfenozide 3%, Hostathion 17%.
Mixture 3: methoxyfenozide 5%, Hostathion 15%.
Mixture 4: methoxyfenozide 7%, Hostathion 13%.
Mixture 5: methoxyfenozide 9%, Hostathion 11%.
The embodiment 1-5 of described methoxyfenozide and pyridaphethione Recompounded pesticide:
Mixture 1: methoxyfenozide 1%, pyridaphethione 19%.
Mixture 2: methoxyfenozide 2%, pyridaphethione 18%.
Mixture 3: methoxyfenozide 3%, pyridaphethione 17%.
Mixture 4: methoxyfenozide 4%, pyridaphethione 16%.
Mixture 5: methoxyfenozide 5%, pyridaphethione 15%.
Described methoxyfenozide and the embodiment 1-5 of fenitrothion complex pesticide:
Mixture 1: methoxyfenozide 4%, sumithion 41%.
Mixture 2: methoxyfenozide 3.5%, sumithion 41.5%.
Mixture 3: methoxyfenozide 3%, sumithion 42%.
Mixture 4: methoxyfenozide 2.5%, sumithion 42.5%.
Mixture 5: methoxyfenozide 2%, sumithion 43%.
Above-mentioned methoxyfenozide and Hostathion, pyridaphethione or fenitrothion complex pesticide, according to its purposes, can process multiple formulation, as colloidal suspending agent, adds diffusant, wetting agent, binding agent filler etc. obtain by former medicine.As being processed into water dispersant, adding bleeding agent, diffusant, wetting agent, binding agent, filler etc. by former medicine and making.Concrete mixture production technology and usual auxiliaries all with reference to existing known technology, can not repeat at this.
Test one: agricultural chemicals toxicity test is tested.
For the needs of screening control striped rice borer built agent, in June, 2014 in insect assays room, China Paddy Rice Inst's rice technology center, the mixture that the basis of primary dcreening operation has been carried out methoxyfenozide and Hostathion, methoxyfenozide and pyridaphethione, methoxyfenozide and sumithion etc. measures the synergy of striped rice borer.
1. experimental condition:
1.1. for examination target: striped rice borer (Chilo suppressalis) 3-4 instar larvae.
1.2. situation is raised: the first tenday period of a month in May, the a large amount of rice stem borer of natural luring of collection and foster worm garden rice seedling morning is lured to lay eggs on rice seedling with light, mid-May, hatching caused the withered sheath of rice seedling, late May presents a large amount of withered heart seedlings, when larvae development to 3 length of time mid-June, extract rice seedling strips the standby test of larva of basic simlarity in length of time use in indoor.
2. experimental scheme
2.1. reagent
2.1.1. test medicine: the colloidal suspending agent that methoxyfenozide is 24% is provided by The Dow Agrosciences, LLC.; The former medicine of Hostathion is provided by Zhejiang Xinnong Chemical Co., Ltd; The former medicine of pyridaphethione is provided by new Saden Chemical Co., Ltd. of Chizhou City of Anhui Province; The former medicine of sumithion is provided by chemicals Co., Ltd in Ningbo City, Zhejiang Province.
2.1.2. solvent: Hostathion, pyridaphethione and sumithion all use DMF (D.M.F) to make solvent, adding emulsifier, to be configured to missible oil for subsequent use.
2.1.3. blank (ck): adopt D.M.F 3000 times of liquid (33.3.mg/L) to make solvent control, separately with clear water to blank.
2.2. test process:
2.2.1 dosage is arranged:
The dosage of methoxyfenozide is set to 5 geometric ratio dosage, 0.075 ~ 1.200mg/L, it is also 5 geometric ratio dosage that the dosage of Hostathion is arranged, be 0.0625 ~ 1.0000mg/L, pyridaphethione is also 5 geometric ratio dosage, be 0.625 ~ 1.0000mg/L, sumithion is also 5 same-size ratio 0.1563 ~ 2.5000mg/L.
The proportioning of each mixed agent is as following table:
2.2.2 repetition is tested
Each agricultural chemicals and mixture amount proportioning test arrange five series concentration, and each concentration arranges four repetitions.Each reprocessing is striped rice borer 3-4 instar larvae about 10.
3. test method
With reference to People's Republic of China (PRC) agricultural industry criteria NY/T 1154.6-2006.Adopt dip method.With two-way glass-tube (long 8cm, diameter 3cm) one cover with nylon gauze, will choose in pipe for examination Chilo spp larvae about 10 writing brushes, the hand-held mouth of pipe immerses in the concentration liquid that configures, soak 5-6 second, take out polypide to be placed on blotting paper and adsorb body surface solution, then by polypide with writing brush choose put into be equipped with short rice straw (TN1 rice varieties, it is long that shooting stage rice straw is cut into 3-4cm, 8-10 props up) do in the plastic bowl of feed, mouth covers preservative film, and it is some to prick upper aperture, sticks liquor strength label.Being placed in black out place (temperature 23-28 DEG C) raises after 48 hours, checks dead, borer population of living.Calculate lethality and corrected mortality.
The same day of pesticide species and mixture tries worm, arranges and does not make one of blank containing corresponding organic solvent (D.M.F) 3000 times of liquid of agricultural chemicals.Processing method is the same.
4. data statistics and analysis
The check result of each medicament and mixture lists in table 4-22.
Experimental data machine DPS software systems process as calculated, obtains the LC of each medicament
50, toxicity regression line and 95% confidence interval.
Computational methods:
The toxicity index (taking methoxyfenozide as standard pesticide agent A)=100 of standard pesticide agent A
Standard pesticide agent B(Hostathion or pyridaphethione or sumithion) toxicity index=(LC of standard pesticide agent A
50the LC of/standard pesticide agent B
50) × 100
Toxicity index=(the LC of standard pesticide agent A of actual measurement mixture
50the LC of/mixture
50) × 100
The content of toxicity index × B in mixture (%) of the content of toxicity index × A in mixture (the %)+B of the toxicity index=A of theoretical mixture
Toxicity index × 100 of the toxicity index/theoretical mixture of co-toxicity coefficient=actual measurement mixture
Co-toxicity coefficient is greater than 120, shows there is synergistic effect; If co-toxicity coefficient is less than 100, then indicate antagonism; Be summation action close to 100.
5. results and analysis, result of the test is as table 23-25.
Measurement result shows: the co-toxicity coefficient of the proportioning 1 of 20% methoxyfenozide and Triazoxide as built-up is less than 120, proportioning 2-5, and its co-toxicity coefficient is all greater than 120, shows there is obvious synergistic effect.
Measurement result shows: 20% methoxyfenozide and the composite proportioning 1-5 of pyridaphethione, its co-toxicity coefficient is all greater than 120, shows there is obvious synergistic effect.
Measurement result shows: 45% methoxyfenozide and the composite proportioning 1-5 of sumithion, its co-toxicity coefficient is all greater than 120, shows there is obvious synergistic effect.
Methoxyfenozide and Hostathion, pyridaphethione or sumithion mixture, 5 kinds of ratio of each mixed agent have all shown obvious synergistic effect, can carry out formulation selection according to demand.
Test two: pesticide field efficacy medicine test.
1. test objective: verify that the Recompounded pesticides such as methoxyfenozide, Hostathion, methoxyfenozide, pyridaphethione, methoxyfenozide and sumithion are to the field control effect of rice-stem borer, for these Recompounded pesticides of development and utilization provide the foundation of field control effect.
2. experimental condition:
2.1. experimental subjects: rice-stem borer
Experiment crop: early rice yk47 and middle morning 39, tillering stage.
2.2 experimental conditions:
Test arrangement is in Experimental Base B district of China Paddy Rice Inst and transgenosis ecological experiment base.Experimental field area everybody 2 mu.Be cement ridge, gravity irrigation.Soil is clay loam, medium fertility.
Rice varieties is yk47 and the middle morning 39 of China Paddy Rice Inst's incubation.
Film seedling on March 26, April 29 transplanted.Ridge is made in minizone, and used weed killer herbicide (second benzyl mixture) and urea (15 kgs/acre) on May 7, do not use any desinsection, bactericide before experiment, paddy growth is normal.
3. experimental scheme and arrangement:
3.1 test medicines:
Yk47 is rice field early: arrange methoxyfenozide, pyridaphethione, methoxyfenozide is with sumithion compound drug and contrast medicament; Middle morning 39 is rice field early, arranges methoxyfenozide with Triazoxide as built-up agent and contrasts medicament.
3.2 communities arrange:
Community arranges: the community of test medicine contrast medicament and blank, all the arrangement of employing order.Plot area 25 square metres, ridge isolation is done in minizone, often processes in triplicate.
3.3 application method
By every mu of water consumption 45 kilograms conversion, with the electronic knapsack sprayer spraying of MH-16.Dispenser date: yk47 early rice field be in May 15 (withered sheath rate more than 5%) early 39 early rice field be striped rice borer ovum May 21 (withered sheath rate reaches more than 5%) to incubate the Sheng phase.
Dispenser weather on the same day is fine cloudy day, and temperature is 18-26 DEG C, and within after dispenser 48 hours, have light rain, rear 3-5 days has light rain-heavy rain process, and temperature is 17-26 DEG C.15-17 days after dispenser, have again light rain-heavy rain process, all the other dates are the moon, fine day.
Investigation method: after medication about 20 days, Chilo spp larvae is developed to the 4-5 length of time, and the withered heart seedling basicly stable phase carries out the withered heart rate investigation in field.
Investigate withered heart rate and adopt parallel jump sampling method, Ji Mei community samples 10 points (row), often point (row) five clumps of rice, investigates the withered calculation of 50 clumps of rice altogether, is converted to hundred clumps of withered calculations of rice and calculates.
The tiller number of Ling Mei community random searching 5 clumps of rice, is converted to hundred clumps of total strain numbers of rice, the withered heart rate of calculation plot.
When investigating, observe community rice growth situation, with or without poisoning or other damage.
4. results and analysis
Investigation result is as table 26, table 27.
Result of the test shows: methoxyfenozide and Triazoxide as built-up (mixture 2), methoxyfenozide and pyridaphethione composite (mixture 2), methoxyfenozide and or snout moth's larva sulphur phosphorus composite (mixture 1), to the field control effect of rice-stem borer all about 80%, than each single dose synergy 15% ~ 20%, when the large generation of each field striped rice borer, control efficiency is good.Carry out field control effectiveness test with other formula of above-mentioned mixed insecticide, also can reach beneficial effect of the present invention.
Claims (9)
1. methoxyfenozide and Triazoxide as built-up agricultural chemical, is characterized in that the following material containing weight percentage: methoxyfenozide 1.0 ~ 9.0%, Hostathion 11.0 ~ 19.0%.
2. methoxyfenozide as claimed in claim 1 and Triazoxide as built-up agricultural chemical, is characterized in that methoxyfenozide 3.0 ~ 8.0%, Hostathion 13.0 ~ 17.0%.
3. methoxyfenozide as claimed in claim 1 and Triazoxide as built-up agricultural chemical, is characterized in that methoxyfenozide 4.0 ~ 6.0%, Hostathion 15.0 ~ 16.0%.
4. methoxyfenozide and pyridaphethione Recompounded pesticide, is characterized in that the following material containing weight percentage: methoxyfenozide 1.0 ~ 5.0%, pyridaphethione 15.0 ~ 19.0%.
5. methoxyfenozide as claimed in claim 4 and pyridaphethione Recompounded pesticide, is characterized in that methoxyfenozide 2.0 ~ 4.0%, pyridaphethione 16.0 ~ 18.0%.
6. methoxyfenozide as claimed in claim 4 and pyridaphethione Recompounded pesticide, is characterized in that methoxyfenozide 2.5 ~ 3.5%, pyridaphethione 16.5 ~ 17.5%.
7. methoxyfenozide and fenitrothion complex pesticide, is characterized in that the following material containing weight percentage: methoxyfenozide 2.0 ~ 4.0%, sumithion 41.0 ~ 43.0%.
8. methoxyfenozide as claimed in claim 7 and fenitrothion complex pesticide, is characterized in that methoxyfenozide 2.5 ~ 3.5%, sumithion 41.5 ~ 42.5%.
9. methoxyfenozide as claimed in claim 7 and fenitrothion complex pesticide, is characterized in that methoxyfenozide 30%, sumithion 42%.
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Cited By (1)
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CN107156172A (en) * | 2017-06-14 | 2017-09-15 | 江苏辉丰农化股份有限公司 | Composition pesticide containing fosthiazate and methoxyfenozide |
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CN101669509A (en) * | 2009-08-23 | 2010-03-17 | 山东兆丰年生物科技有限公司 | Pesticide composition and application thereof |
WO2010055909A1 (en) * | 2008-11-14 | 2010-05-20 | 日本農薬株式会社 | Pest control agent composition for agricultural and horticultural use |
CN103563980A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Compound pesticidal composition containing chlorpyrifos and methoxyfenozide and application thereof |
CN103563975A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Compound pesticidal composition containing methoxyfenozide and profenofos and application thereof |
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WO2010055909A1 (en) * | 2008-11-14 | 2010-05-20 | 日本農薬株式会社 | Pest control agent composition for agricultural and horticultural use |
CN101669509A (en) * | 2009-08-23 | 2010-03-17 | 山东兆丰年生物科技有限公司 | Pesticide composition and application thereof |
CN103563980A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Compound pesticidal composition containing chlorpyrifos and methoxyfenozide and application thereof |
CN103563975A (en) * | 2012-08-05 | 2014-02-12 | 南京华洲药业有限公司 | Compound pesticidal composition containing methoxyfenozide and profenofos and application thereof |
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