CN104542696B - Methoxyfenozide and triazophos, pyridaphethione or fenitrothion complex pesticide - Google Patents

Methoxyfenozide and triazophos, pyridaphethione or fenitrothion complex pesticide Download PDF

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Publication number
CN104542696B
CN104542696B CN201510042827.3A CN201510042827A CN104542696B CN 104542696 B CN104542696 B CN 104542696B CN 201510042827 A CN201510042827 A CN 201510042827A CN 104542696 B CN104542696 B CN 104542696B
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China
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methoxyfenozide
pesticide
pyridaphethione
triazophos
fenitrothion
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CN104542696A (en
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何佳春
胡国文
李波
赖凤香
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China National Rice Research Institute
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China National Rice Research Institute
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Abstract

Methoxyfenozide and triazophos, pyridaphethione or fenitrothion complex pesticide, belong to technical field of pesticide.Following material containing weight percentage: methoxyfenozide 1.0~9.0%, triazophos 11.0~19.0%.Or methoxyfenozide 1.0~5.0%, pyridaphethione 15.0~19.0%.Or methoxyfenozide 2.0~4.0%, fenifrothion 41.0~43.0%.Above-mentioned methoxyfenozide and triazophos, pyridaphethione or fenitrothion complex pesticide, toxicity test to striped rice borer, co-toxicity coefficient is all higher than 120, having obvious potentiation, such built agent is low toxicity or poisoning, and insecticidal spectrum is wide, quick-acting the best with lasting effect, production cost is relatively low, improves prevention effect 15~25% than alone methoxyfenozide, reduces production cost about 20%.

Description

Methoxyfenozide and triazophos, pyridaphethione or fenitrothion complex pesticide
Technical field
The invention belongs to technical field of pesticide, specially methoxyfenozide is multiple with triazophos, pyridaphethione or fenifrothion Join pesticide.
Background technology
Oryza sativa L. is the principal item in China cereal crops, and cultivated area is big, and due to illness, worm, grass etc. endanger and cause yield to damage Mistake reaches 20~30%.The pesticide quantity that the preventing and treating disease of Oryza sativa L., worm, crop smothering are used accounts for 50% left side of China's pesticide year usage amount Right.The whole nation preventing and treating area to Insect Pests in Rice, adds up at about 1,200,000,000 mu according to the Ministry of Agriculture, and face controlled by insect outbreak year part medicine Long-pending meeting is bigger.
The pesticide species of preventing and treating Insect Pests in Rice, along with the lifting of environmental requirement, the Drug resistance of insect increases, and pesticide becomes The restriction of the factors such as the difficulty increase that this increase and new varieties of pesticides are developed, changes more the most over several years.Such as Oryza sativa L. of causing harm Snout moths larva class, as a example by striped rice borer.Nearly ten years, once large area uses the pesticide such as Cupric sulfate, dimehypo, fenifrothion, triazophos. Come year by year all because of Drug resistance produce, prevention effect decline, after use instead Bayer A.G produce ethiprole and insect hormone class Relevant pesticide, such as Cascade etc., all because of relatively big on the impact of the beneficial organisms such as fish, shrimp, Apis, be successively deactivated and reduce use Dose.So that once causing without the effectively Pesticide use of environmental protection.In recent years the chlorine worm benzoyl that du pont company produces is quoted Amine, prevention effect is good, but price the highest (4~5 times of suitable triazophos mu consumption price).Large area uses kind list at present One, Drug resistance the most progressively comes out.
In order to improve China to large-scale production about the pesticide species prevention effect to rice grub, reduce drug-fast There is speed, reduce the pollution to environment, reduce the high price to Introduced From Abroad pesticide, unicity.The insecticide using low toxicity is raw Long regulator compounds with the organophosphorus agent of domestic large-scale production, and through screening test, selective advance significantly combines Thing, 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, it is an object of the invention to design provide a kind of low toxicity or poisoning, Insecticidal spectrum is compared with methoxyfenozide wide, that production cost is low and triazophos, pyridaphethione or the technical side of fenitrothion complex pesticide Case, both compound has obvious potentiation, and good to the prevention effect of Oryza sativa L. lepidoptera pest, indoor measurement co-toxicity coefficient Greatly, what field control practice can reach production requirement prevents and treats standard.
Described methoxyfenozide and Triazoxide as built-up agricultural chemical, it is characterised in that containing the following thing of weight percentage Matter: methoxyfenozide 1.0~9.0%, triazophos 11.0~19.0%.
Described methoxyfenozide and Triazoxide as built-up agricultural chemical, it is characterised in that methoxyfenozide 3.0~8.0%, triazophos 13.0~17.0%.
Described methoxyfenozide and Triazoxide as built-up agricultural chemical, it is characterised in that methoxyfenozide 4.0~6.0%, triazophos 15.0~16.0%.
Described methoxyfenozide and pyridaphethione Recompounded pesticide, it is characterised in that containing the following thing of weight percentage Matter: methoxyfenozide 1.0~5.0%, pyridaphethione 15.0~19.0%.
Described methoxyfenozide and pyridaphethione Recompounded pesticide, it is characterised in that methoxyfenozide 2.0~4.0%, pyridazine Sulfur phosphorus 16.0~18.0%.
Described methoxyfenozide and pyridaphethione Recompounded pesticide, it is characterised in that methoxyfenozide 2.5~3.5%, pyridazine Sulfur phosphorus 16.5~17.5%.
Described methoxyfenozide and fenitrothion complex pesticide, it is characterised in that containing the following thing of weight percentage Matter: methoxyfenozide 2.0~4.0%, fenifrothion 41.0~43.0%.
Described methoxyfenozide and fenitrothion complex pesticide, it is characterised in that methoxyfenozide 2.5~3.5%, kill snout moth's larva Sulfur phosphorus 41.5~42.5%.
Described methoxyfenozide and fenitrothion complex pesticide, it is characterised in that methoxyfenozide 30%, fenifrothion 42%。
Methoxyfenozide (Methoxyfenozide), has another name called happiness;Intrepid ;Runner, is that LG-DOW is public A kind of insect growth regulator, IGR that department, the enterprises registration of Shanghai favour photochemistry company limited produce, is to promote that lepidopterous larvae is casted off a skin Novel bionic insecticide.Sterling is white powder, fusing point 202~205 DEG C, at dimethyl sulfoxide, Ketohexamethylene, acetone equal solvent In have certain solubility.Low toxicity, Big and Little Rats urgency LD50 of passing through mouth > 5000mg/kg.Lepidoptera pest is sprayed with this medicine taking food Crop leaf or cane 6~after 8 hours, i.e. stop taking food, and produce reaction of casting off a skin, owing to casting off a skin, just disturbing insecticide Often grow, and cause larva dehydration, hungry and dead.Striped rice borer, bollworm, beet armyworm, Prodenia litura, dark greyish green can be prevented and treated The lepidoptera pest such as worm, bean-pod borer.
Triazophos (Triazophos), has another name called EOE2960, triazophos, Hostathion, phentriazophos, I A kind of organophosphorus insecticide that tens of the insecticide factories such as Guo Xin agrochemicals limited company produce, have tag, stomach toxicity parasite killing Effect, insecticidal spectrum is wide.One of major pharmaceutical agent preventing and treating striped rice borer, yellow rice borer for China in the recent decade.At present to striped rice borer Produce certain Drug resistance.Meanwhile, this pesticide or a kind of acaricide, nematicide is also had certain lethal effect.
Pyridaphethione (Pyridaphenthino), has another name called benzene and rattles away phosphorus, pyridaphenthione, Bi Fensong etc., for China An Huichi Zhou Xin Saden Chemical Co., Ltd. produces without competition.It is a kind of efficient, low toxicity, low-residual broad-spectrum organic insecticide, have tactile Kill and stomach poison function.Striped rice borer, two-spotted spider mite had good prevention effect.
Fenifrothion (Fenitrothon), has another name called OMS43, ENT-25715, Fenitox, Folithion etc., for China Zhejiang River Sinochem Ningbo Chemicals Co., Ltd. of province, Deng Shiyujia insecticide factory of Jia Hua Group Co., Ltd produce.It is that one has strongly Etc. tagging, the pesticide species of stomach poison function, insecticidal spectrum is wide.It is widely used in the preventing and treating snout moth's larva of rice, grain storage pest, fruit tree, vegetable evil Worm etc..
Above-mentioned methoxyfenozide and triazophos, pyridaphethione or fenitrothion complex pesticide, the toxicity test to striped rice borer, Co-toxicity coefficient is all higher than 120, has obvious potentiation, and such built agent is low toxicity or poisoning, and insecticidal spectrum is wide, quick-acting and holding effect Property the best, production cost is relatively low, and the alone methoxyfenozide of ratio improves prevention effect 15~25%, reduces production cost 20% left Right.
Proportioning in present patent application is the weight percentage of the pure material of effective ingredient.
Detailed description of the invention
Below by way of specific embodiment, the invention will be further described, and the corresponding test of combination further illustrates the present invention Beneficial effect.
Described methoxyfenozide and embodiment 1-4 of Triazoxide as built-up agricultural chemical:
Mixture 1: methoxyfenozide 1%, triazophos 19%.
Mixture 2: methoxyfenozide 3%, triazophos 17%.
Mixture 3: methoxyfenozide 5%, triazophos 15%.
Mixture 4: methoxyfenozide 7%, triazophos 13%.
Mixture 5: methoxyfenozide 9%, triazophos 11%.
Described methoxyfenozide and embodiment 1-5 of 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 embodiment 1-5 of fenitrothion complex pesticide:
Mixture 1: methoxyfenozide 4%, fenifrothion 41%.
Mixture 2: methoxyfenozide 3.5%, fenifrothion 41.5%.
Mixture 3: methoxyfenozide 3%, fenifrothion 42%.
Mixture 4: methoxyfenozide 2.5%, fenifrothion 42.5%.
Mixture 5: methoxyfenozide 2%, fenifrothion 43%.
Above-mentioned methoxyfenozide and triazophos, pyridaphethione or fenitrothion complex pesticide, according to its purposes, can process Multiple dosage form, such as colloidal suspending agent, is added diffusant, wetting agent, binding agent filler etc. by former medicine and prepares.As being processed into water dispersant, Added penetrating agent, diffusant, wetting agent, binding agent, filler etc. by former medicine to make.Concrete mixture production technology and usual auxiliaries are equal Refer to existing known technology, do not repeating at this.
Test one: pesticide toxicity test is tested.
The needs of striped rice borer built agent are prevented and treated, in June, 2014 at China Paddy Rice Inst's rice technology center for screening Insect assays room, has carried out methoxyfenozide and triazophos, methoxyfenozide and pyridaphethione, methoxy worm on the basis of primary dcreening operation The synergy of striped rice borer is measured by the mixture of hydrazides and fenifrothion etc..
1. experimental condition:
1.1. for examination target: striped rice borer (Chilo suppressalis) 3-4 instar larvae.
1.2. raise situation: the first tenday period of a month in May, lure with light a large amount of striped rice borer of natural luring collected with foster worm garden early rice seedling to become Worm lays eggs on rice seedling, and mid-May, hatching caused the withered sheath of rice seedling, and late May presents substantial amounts of withered heart Seedling, in children's mid-June When worm was developed to for 3 age, extracts rice seedling and strip the standby test of larva of age basic simlarity in indoor and be used.
2. EXPERIMENTAL DESIGN
2.1. reagent
2.1.1. test medicine: the colloidal suspending agent that methoxyfenozide is 24% is provided by The Dow Agrosciences, LLC.;Triazophos is former Medicine is provided by Zhejiang Xinnong Chemical Co., Ltd;The former medicine of pyridaphethione is carried by new Saden Chemical Co., Ltd. of Chizhou City of Anhui Province Supply;The former medicine of fenifrothion is provided by chemicals company limited in Ningbo City, Zhejiang Province.
2.1.2. solvent: triazophos, pyridaphethione and fenifrothion are all made molten with DMF (D.M.F) Agent, adding emulsifying agent, to be configured to cream standby.
2.1.3. blank (ck): use 3000 times of liquid (33.3.mg/L) of D.M.F to make solvent control, separately use clear water To blank.
2.2. test processes:
2.2.1 dosage is arranged:
The dosage of methoxyfenozide is set to 5 geometric ratio dosage, and 0.075~1.200mg/L, the dosage of triazophos is also arranged Being 5 geometric ratio dosage, be 0.0625~1.0000mg/L, pyridaphethione is also 5 geometric ratio dosage, be 0.625~ 1.0000mg/L, fenifrothion is also 5 same-size ratios 0.1563~2.5000mg/L.
The proportioning of each mixed agent such as following table:
2.2.2 repetition is tested
Each pesticide and mixture amount proportioning test arrange five series concentration, and each concentration arranges four repetitions.Every time Repeat to be processed as 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.Use dip method.Use two-way glass Nylon gauze coverd with by pipe (long 8cm, diameter 3cm), will choose in pipe for examination about 10 brush pens of Chilo spp larvae, hand-held The mouth of pipe immerses in the concentration liquid configured, and soaks 5-6 second, takes out and polypide is placed in absorbent paper absorption body surface solution, then will Polypide is chosen with brush pen to put into and makees feedstuff equipped with short rice straw (TN1 rice varieties, jointing stage rice straw is cut into 3-4cm length, and 8-10 props up) In plastic bowl, mouth covers preservative film, and it is some to prick upper aperture, sticks liquor strength label.It is placed in (temperature 23-28 DEG C) at black out to raise After supporting 48 hours, check dead, borer population of living.Calculate mortality rate and corrected mortality.
Tried worm the same day of pesticide species and mixture, the 3000 times of liquid of corresponding organic solvent (D.M.F) without pesticide were set Make one of blank.Processing method is ibid.
4. data statistics and analysis
The inspection result of each medicament and mixture is listed in table 4-22.
Experimental data processes through computer DPS software system, obtains the LC of each medicament50, toxicity regression line and 95% confidence district Between.
Computational methods:
The toxicity index (with methoxyfenozide for standard pesticide agent A)=100 of standard pesticide agent A
Standard pesticide agent B(triazophos or pyridaphethione or fenifrothion) toxicity index=(LC of standard pesticide agent A50/ The LC of standard pesticide agent B50) × 100
Toxicity index=(the LC of standard pesticide agent A of actual measurement mixture50The LC of/mixture50) × 100
Toxicity index × the B of the toxicity index × A of the toxicity index=A of theoretical mixture content (%)+B in mixture exists Content (%) in mixture
Toxicity index × 100 of the toxicity index of co-toxicity coefficient=actual measurement mixture/theory mixture
Co-toxicity coefficient is more than 120, shows there is potentiation;If co-toxicity coefficient is less than 100, then it represents that have antagonism; It is summation action close to 100.
5. result and analysis, result of the test such as table 23-25.
Measurement result shows: 20% methoxyfenozide is less than 120 with the co-toxicity coefficient of the proportioning 1 of Triazoxide as built-up, proportioning 2- 5, its co-toxicity coefficient is all higher than 120, shows there is obvious potentiation.
Measurement result shows: proportioning 1-5 that 20% methoxyfenozide is compounding with pyridaphethione, its co-toxicity coefficient is all higher than 120, show there is obvious potentiation.
Measurement result shows: proportioning 1-5 that 45% methoxyfenozide is compounding with fenifrothion, its co-toxicity coefficient is all higher than 120, show there is obvious potentiation.
Methoxyfenozide and triazophos, pyridaphethione or fenifrothion mixture, 5 kinds of ratio of each mixed agent all show Go out and have obvious potentiation, formulation selection can be carried out according to demand.
Test two: pesticide field efficacy medicine test.
1. test objective: verify methoxyfenozide, triazophos, methoxyfenozide, pyridaphethione, methoxyfenozide and kill snout moth's larva The Recompounded pesticide field control effects to rice-stem borer such as sulfur phosphorus, provide field control for these Recompounded pesticides of development and utilization The foundation of effect.
2. experimental condition:
2.1. experimental subject: 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 transgenic ecological experiment base.Experimental plot area is each 2 mu, position.It is 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.
Thin film seedling on March 26, transplanted April 29.Ridge is made in minizone, and (second benzyl closes to use herbicide on May 7 Agent) and carbamide (15 kgs/acre), do not use any parasite killing, antibacterial before experiment, paddy growth is normal.
3. EXPERIMENTAL DESIGN and arrangement:
3.1 test medicines:
Yk47 early rice field: arrange methoxyfenozide, pyridaphethione, methoxyfenozide and fenifrothion compound drug and compare Medicament;Early rice field, arranged methoxyfenozide and Triazoxide as built-up agent and compareed medicament middle morning 39.
3.2 communities arrange:
Community arranges: test medicine comparison medicament and the community of blank, all the arrangement of employing order.Plot area 25 is flat Side's rice, minizone is made ridge isolation, is often processed in triplicate.
3.3 application method
By every mu of water consumption 45 kilograms conversion, spray with the electronic knapsack sprayer of MH-16.The dispenser date: yk47 early rice Field be in May 15 (withered sheath rate more than 5%) early 39 early rice field be to be striped rice borer ovum May 21 (withered sheath rate reaches more than 5%) to incubate Sheng Qi.
Dispenser weather on the same day is fine cloudy day, and temperature is 18-26 DEG C, within after dispenser 48 hours, has light rain, within latter 3-5 days, has little Rain-heavy rain process, temperature is 17-26 DEG C.After dispenser 15-17 days, having again light rain-heavy rain process, remaining date is the moon, fine My god.
Investigation method: after medication about 20 days, Chilo spp larvae is developed to 4-5 age, and the withered heart Seedling basicly stable phase is carried out Field withered heart rate investigation.
Investigating withered heart rate and use parallel jump sampling method, Ji Mei community samples 10 points (row), every five clumps of rice of point (row), adjusts altogether Look into the withered calculation of 50 clumps of rice, be converted to hundred clumps of withered calculations of rice and calculate.
The tiller number of Ling Mei community 5 clumps of rice of random searching, is converted to hundred clumps of rice total strain numbers, calculates the withered heart rate of community.
When investigation, observe community rice growth situation, with or without poisoning or other damage.
4. result and analysis
Survey result such as table 26, table 27.
Result of the test shows: methoxyfenozide compounds with pyridaphethione with Triazoxide as built-up (mixture 2), methoxyfenozide (mixture 2), methoxyfenozide with or snout moth's larva sulfur phosphorus compounding (mixture 1), all left 80% to the field control effect of rice-stem borer The right side, each single dose potentiation 15%~20% of ratio, in the case of each big generation of field striped rice borer, prevention effect is good.With above-mentioned mixture Other formula of pesticide carries out field control effectiveness test, also can reach beneficial effect of the present invention.

Claims (5)

1. methoxyfenozide and fenitrothion complex pesticide, it is characterised in that containing the following material of weight percentage: methoxy Tebufenozide 2-3.5%, fenifrothion 41.5-43%.
2. methoxyfenozide as claimed in claim 1 and fenitrothion complex pesticide, it is characterised in that methoxyfenozide 3.5%, Fenifrothion 41.5%.
3. methoxyfenozide as claimed in claim 1 and fenitrothion complex pesticide, it is characterised in that methoxyfenozide 3%, kills Snout moth's larva sulfur phosphorus 42%.
4. methoxyfenozide as claimed in claim 1 and fenitrothion complex pesticide, it is characterised in that methoxyfenozide 2.5%, Fenifrothion 42.5%.
5. methoxyfenozide as claimed in claim 1 and fenitrothion complex pesticide, it is characterised in that methoxyfenozide 2%, kills Snout moth's larva sulfur phosphorus 43%.
CN201510042827.3A 2015-01-28 2015-01-28 Methoxyfenozide and triazophos, pyridaphethione or fenitrothion complex pesticide Expired - Fee Related CN104542696B (en)

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Publication number Priority date Publication date Assignee Title
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
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
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

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
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
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
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

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