CN101189967B - Insecticidal composition - Google Patents
Insecticidal composition Download PDFInfo
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- CN101189967B CN101189967B CN2007100687358A CN200710068735A CN101189967B CN 101189967 B CN101189967 B CN 101189967B CN 2007100687358 A CN2007100687358 A CN 2007100687358A CN 200710068735 A CN200710068735 A CN 200710068735A CN 101189967 B CN101189967 B CN 101189967B
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- buprofezin
- rice
- thiophene worm
- worm piperazine
- insecticide
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Abstract
The invention relates to a pesticide compound, which is characterized in that the pesticide compound comprises the following ingredients (weight proportion): 5-75 percent of buprofezin and 3-70 percent of thiamethoxam. The composition of the invention has remarkable enhanced effect on rice plant-hopper and can reduce application amount of pesticide by half, and has high cost performance.
Description
Technical field
The invention belongs to the chemistry of pesticide field, particularly relate to a kind of insecticides, in particular for the insecticides of control rice fulgorid.
Background technology
Rice fulgorid is a kind of primary pest of hazard rice, and it is drawn paddy rice juice and cause harm by its sucking mouthpart.When this insect is caused harm paddy rice, can also transmitted virus, for various bacterial diseases such as paddy rice stalk break provide the generation environment.And rice fulgorid is a migratory pest, and its harm is very big.The especially big outburst of rice district brown planthopper has caused the serious paddy rice underproduction on the south 2005-2006 China the Changjiang river.
The prevention and control of rice fulgorid mainly rely on chemical pesticide, the nineties in 20th century to the beginning of this century, Imidacloprid (a kind of main agricultural chemicals of preventing and treating rice fulgorid) once as the specific drug of control rice fulgorid, had been brought into play enormous function for ensureing the paddy rice high and stable yields.But because the combined influence of multiple factors such as cropping system change, the irrational use of agricultural chemicals, rice fulgorid has produced very strong pesticide resistance to Imidacloprid and (has measured according to units such as Agricultural University Of Nanjing and academies of agricultural sciences, Guangxi, brown planthopper to the resistance of Imidacloprid more than 300 times), Imidacloprid can not effectively be prevented and treated rice fulgorid.And in recent years, great year after year generation of national rice hoppers and generation area enlarge rapidly, have had a strong impact on grain-production.At present, the agricultural chemicals Buprofezin effect that production is used always is slow, invalid to adult, and preventive effects such as Mobucin are relatively poor, and chlopyrifos etc. are bigger to eco-environmental impact, lacks the safe and effective product of control rice fulgorid in the production, and urgent need will be able to be used for the environment friendly agricultural of pollution-less agriculture.
On the other hand, in order to use on industry, price factor also is a very important index, and the peasant will wait according to its consumption, unit price, effect and take all factors into consideration cost performance when selecting insecticide for use.Therefore in the assessment insecticide, reasonable prices also are essential condition.
Summary of the invention
The purpose of this invention is to provide a kind of efficient and cheap insecticides, can be used for effectively preventing and treating rice fulgorid.
The inventor found through experiments, and Buprofezin (buprofezin) and thiophene worm piperazine (thiamethoxam) different proportion are composite, and rice fulgorid is had significant synergistic effect, can reduce nearly 1 times of the usage amount of agricultural chemicals.
Table 1: the agent of Buprofezin Thiamethoxam compound is to brown planthopper co-toxicity coefficient measurement result
| The test agricultural chemicals | Lethal concentration of 50 LC50 (mg/L) | Actual poison exponent ATI | Theoretical poison exponent TTI | The synergy multiple |
| Thiophene worm piperazine | 2.198 | 35.78 | ||
| Buprofezin | 0.7823 | 100 | ||
| Buprofezin thiophene worm piperazine 5: 1 | 0.6061 | 129.73 | 89.30 | 1.4527 |
| The test agricultural chemicals | Lethal concentration of 50 LC50 (mg/L) | Actual poison exponent ATI | Theoretical poison exponent TTI | The synergy multiple |
| Buprofezin thiophene worm piperazine 4: 1 | 0.4029 | 195.16 | 87.16 | 2.2391 |
| Buprofezin thiophene worm piperazine 3: 1 | 0.4082 | 192.63 | 83.95 | 2.2946 |
| Buprofezin thiophene worm piperazine 2: 1 | 0.4177 | 188.25 | 78.93 | 2.3850 |
| Buprofezin thiophene worm piperazine 1: 1 | 0.5535 | 142.06 | 67.89 | 2.0925 |
Based on above discovery, the technical scheme that the present invention proposes is as follows: insecticides is characterized in that it contains following component (weight ratio): Buprofezin (bup of ezin) 5-75%, thiophene worm piperazine (thiamethoxam) 3-70%.
Further, technical scheme of the present invention is such: insecticides is characterized in that it contains following component (weight ratio): Buprofezin (buprofezin) 10-30%, thiophene worm piperazine (thiamethoxam) 5-30%, auxiliary agent 7-15%, filler 27.5-77.7%.
Further technical scheme is such: insecticides, it is characterized in that it contains following component (weight ratio): Buprofezin (buprofezin) 10-20%,, thiophene worm piperazine (thiamethoxam) 5-15%, auxiliary agent 7-12%, filler 27.5-77.7%.
Best proportioning of the present invention is as follows: Buprofezin (buprofezin) 16.6%, thiophene worm piperazine (thiamethoxam) 8.3%, diffusant (naphthalenesulfonic acid-formaldehyde condensate) 5.5%, wetting agent (lauryl sodium sulfate) 0.4%, detergent (to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt) 4%, kaolin: surplus.
Described auxiliary agent is to be selected from lauryl sodium sulfate, calcium dodecyl benzene sulfonate, NONYL PHENOL POLYOXYETHYLENE, dibenzyl phenol polyoxy ethyl ether, benzyl dimethyl phenol polyoxy ethyl ether, phenyl phenol polyoxy ethyl ether, alkylphenol-formaldehyde resin polyoxy ethyl ether, wooden disorderly sulfoacid calcium, sodium lignin sulfonate, the nekal formaldehyde condensation products, naphthalenesulfonic acid-formaldehyde condensate, methyl Cai sodium sulfonate formaldehyde condensation products, alkylphenol-polyethenoxy base formaldehyde condensation products sulfonate, to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt, polyvinyl alcohol, sodium carboxymethylcellulose, in the surfactants such as gum Arabic one or more, select for use according to formulation is different, play diffusion, moistening, effects such as emulsification; Described filler is mica, white carbon, kaolin, talcum powder etc., plays effect stable and that fill.
The main active ingredient of the present invention is Buprofezin (buprofezin) and thiophene worm piperazine (thiamethoxam), and from biological angle, its spectrum point that acts on insect has two, and insect produces the chemical sproof time to it and also is far longer than single insecticide; According to market survey, the most receptible insecticide price of peasant should not be higher than 2 yuan/mu; Simultaneously, technical scheme of the present invention is adopted in a large amount of experiment showed,, effectively prevention and control are current produces resistance rice planthopper to agricultural chemicals such as Imidacloprids, and this price range about 2 yuan every mu, and goodish insecticidal effect is arranged.
Embodiment
Embodiment one
The preparation of insecticide
The former medicine of Buprofezin (by 100%) 20.0g
The former medicine of thiophene worm piperazine (by 100%) 5.0g
Naphthalenesulfonic acid-formaldehyde condensate 5.0g
Lauryl sodium sulfate 0.5g
To methoxyl group fatty acyl amido benzene sulfonic acid sodium salt 4.0g
Kaolin 65.5g
Above-mentioned raw materials is mixed according to a conventional method, make wetting powder.
Embodiment two
The effect measuring of insecticide
1, materials and methods
1.1 test medicine
25% wetting powder of embodiment one
1.2 contrast medicament
25% Buprofezin wetting powder
10% imidacloprid wettable powder
1.3 trial crops and controlling object
Trial crops is a paddy rice, and kind is a hybrid early gold excellent 402; Controlling object is a rice fulgorid, based on brown planthopper.
1.4 experimental scheme and method
1.4.1 field design
Test site is located at the Zhejiang Changshan, and 6 processing are established in test, 4 repetitions, area 20m
2
Test is handled as follows:
Dosing (gram/mu)
(1) embodiment 1
(2) embodiment 1
(3) embodiment 1
(4) 25% Buprofezin wetting powders 100
(5) 10% imidacloprid wettable powders 40
(6) 25% thiophene worm piperazine granulas 1.6
(7) blank
1.4.2 experimental field overview, spraying time and method
In such a month, and on such a day (rice fulgorid nymph peak period in 1～3 age) dispenser is handled with knapsack sprayer, converts 45 kilograms in water for every mu.
1.5 pilot survey
Tested after dispenser 3 days, 7 days, 15 days, 25 days, 20 clumps of the parallel jump method investigation in every sub-district, 2 clumps every, be stained with a small amount of kerosene with disk and place rice from base portion, pat the rice clump, residual worm amount in the statistics disk is calculated the insect population rate that goes down.
2, result of the test
2.1 safety is observed
Visual observations behind medicine, the chemicals treatment of the variant dosage of Buprofezin is to rice safety.
2.2 control efficiency
As can be seen from Table 1, under the situation of embodiment one every mu of medication 8-10 gram, 3 days preventive effect 61.4-66.1% behind the medicine to rice fulgorid, its quick-acting significantly is better than contrasting Buprofezin, and is suitable with Imidacloprid.15 days preventive effect is all more than 93% behind the medicine, still keeps the preventive effect more than 94% behind the medicine in 25 days.Significantly be better than contrasting agricultural chemicals.
The control efficiency table (%) of a pair of rice hoppers of table 1 embodiment
Annotate: average preventive effect is the arithmetic mean of 3 days, 7 days, 15 days, 25 days preventive effects behind the medicine.
Embodiment three
The preparation of insecticide
The former medicine of Buprofezin (by 100%) 20.8g
The former medicine of thiophene worm piperazine (by 100%) 4.2g
Sodium lignin sulfonate 5.0g
Tea Saponin 0.5g
To methoxyl group fatty acyl amido benzene sulfonic acid sodium salt 4.0g
Kaolin 65.5g
Method by embodiment one is made wetting powder
Embodiment four
The effect measuring of insecticide
Subjects is embodiment three, and test method, assay method etc. are all identical with embodiment two, and the result is as follows.
The preventive effect of three pairs of rice fulgorids of table 2 embodiment
Embodiment five
The preparation of insecticide
The former medicine of Buprofezin (by 100%) 20.5g
The former medicine of thiophene worm piperazine (by 100%) 4.5g
Nekal formaldehyde condensation products 5.0g
Lauryl sodium sulfate 0.5g
Kaolin 65.5g
Method by embodiment one is made wetting powder
Embodiment six
The effect measuring of insecticide
Subjects is embodiment five, and test method, assay method etc. are all identical with embodiment two, and the result is as follows.
The preventive effect of five pairs of rice fulgorids of table 3 embodiment
Embodiment seven
The preparation of insecticide
The former medicine of Buprofezin (by 100%) 1.8g
The former medicine of thiophene worm piperazine (by 100%) 23.2g
Sodium lignin sulfonate 5.0g
NONYL PHENOL POLYOXYETHYLENE 0.5g
Sodium carboxymethylcellulose 4.0g
Kaolin 65.5g
Method by embodiment one is made wetting powder
Embodiment eight
The effect measuring of insecticide
Subjects is embodiment seven, and test method, assay method etc. are all identical with embodiment two, and the result is as follows.
The preventive effect of seven pairs of rice fulgorids of table 2 embodiment
Embodiment nine
The preparation of insecticide
The former medicine of Buprofezin (by 100%) 2.0g
The former medicine of thiophene worm piperazine (by 100%) 23.0g
Methyl Cai sodium sulfonate formaldehyde condensation products 5.0g
Polyvinyl alcohol 0.5g
Kaolin 65.5g
Method by embodiment one is made wetting powder.
Embodiment ten
The effect measuring of insecticide
Subjects is embodiment nine, and test method, assay method etc. are all identical with embodiment two, and the result is as follows.
The preventive effect of nine pairs of rice fulgorids of table 5 embodiment
Embodiment 11
The preparation of insecticide
The former medicine of Buprofezin (by 100%) 24.0g
The former medicine of thiophene worm piperazine (by 100%) 1.0g
Calcium dodecyl benzene sulfonate 5.0g
Alkylphenol-polyethenoxy base formaldehyde condensation products sulfonate 0.5g
To methoxyl group fatty acyl amido benzene sulfonic acid sodium salt 4.0g
Kaolin 65.5g
Method by embodiment one is made wetting powder
Embodiment 12
The effect measuring of insecticide
Subjects is embodiment 11, and test method, assay method etc. are all identical with embodiment two, and the result is as follows.
The preventive effect of table 6 embodiment ten a pair of rice fulgorids
Embodiment 13
The preparation of insecticide
The former medicine of Buprofezin (by 100%) 23.8g
The former medicine of thiophene worm piperazine (by 100%) 1.2g
Benzyl dimethyl phenol polyoxy ethyl ether 5.0g
Lauryl sodium sulfate 0.5g
Kaolin 65.5g
Method by embodiment one is made wetting powder
Embodiment 14
The effect measuring of insecticide
Subjects is embodiment 13, and test method, assay method etc. are all identical with embodiment two, and the result is as follows.
The preventive effect of 13 pairs of rice fulgorids of table 7 embodiment
Embodiment 15
The preparation of insecticide
The former medicine of Buprofezin (by 100%) 5.0g
The former medicine of thiophene worm piperazine (by 100%) 20.0g
Wooden disorderly sulfoacid calcium 5.0g
Lauryl sodium sulfate 0.5g
Kaolin 65.5g
Method by embodiment one is made wetting powder
Embodiment 16
The effect measuring of insecticide
Subjects is embodiment 15, and test method, assay method etc. are all identical with embodiment two, and the result is as follows.
The preventive effect of 15 pairs of rice fulgorids of table 8 embodiment
As can be seen from the above embodiments, the present invention has cost performance preferably, and when the consumption price fixing was 2 yuan every mu, its preventive effect to rice fulgorid was better than prior art far away, and has obtained beyond thought synergistic effect, has finished purpose of the present invention well.
Claims (3)
1. insecticides is characterized in that it contains following component (weight ratio): Buprofezin 10-30%, thiophene worm piperazine 5-30%, auxiliary agent 7-15%, filler 27.5-77.7%.
2. insecticides as claimed in claim 1 is characterized in that it contains following component (weight ratio): Buprofezin 10-20%, thiophene worm piperazine 5-15%, auxiliary agent 7-12%, filler 27.5-77.7%.
3. insecticides as claimed in claim 1, it is characterized in that it contains following component (weight ratio): Buprofezin 16.6%, thiophene worm piperazine 8.3%, auxiliary agent: naphthalenesulfonic acid-formaldehyde condensate 5.5%, lauryl sodium sulfate 0.4% and to methoxyl group fatty acyl amido benzene sulfonic acid sodium salt 4%, surplus is a filler: kaolin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100687358A CN101189967B (en) | 2007-05-18 | 2007-05-18 | Insecticidal composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100687358A CN101189967B (en) | 2007-05-18 | 2007-05-18 | Insecticidal composition |
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| Publication Number | Publication Date |
|---|---|
| CN101189967A CN101189967A (en) | 2008-06-04 |
| CN101189967B true CN101189967B (en) | 2010-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100687358A Expired - Fee Related CN101189967B (en) | 2007-05-18 | 2007-05-18 | Insecticidal composition |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743969B (en) * | 2009-12-29 | 2012-10-31 | 华南农业大学 | Mixed insecticide of tea saponin and neonicotine insecticide |
| CN102648712A (en) * | 2011-02-23 | 2012-08-29 | 广西田园生化股份有限公司 | Ultralow-volume liquid containing buprofezin |
| CN104817407A (en) * | 2014-05-09 | 2015-08-05 | 青岛中达农业科技有限公司 | Paddy field pesticide-fertilizer granule containing silicon and zinc elements and chitosan and preparation method of same |
| AU2015234288B2 (en) * | 2015-09-29 | 2017-07-13 | Rotam Agrochem International Company Limited | A synergistic insecticidal composition |
| CN106747902A (en) * | 2016-11-15 | 2017-05-31 | 陈爱红 | Pesticidal and sterilizing nutrient solution aqua and preparation method thereof and application method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2172804A (en) * | 1985-02-25 | 1986-10-01 | Nihon Nohyaku Co Ltd | Thiadiazin pesticidal composition |
| CN1325628A (en) * | 2001-07-11 | 2001-12-12 | 深圳市诺普信农化有限公司 | Imidacloprid baprofezin insecticidal composition |
-
2007
- 2007-05-18 CN CN2007100687358A patent/CN101189967B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2172804A (en) * | 1985-02-25 | 1986-10-01 | Nihon Nohyaku Co Ltd | Thiadiazin pesticidal composition |
| CN1325628A (en) * | 2001-07-11 | 2001-12-12 | 深圳市诺普信农化有限公司 | Imidacloprid baprofezin insecticidal composition |
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| CN101189967A (en) | 2008-06-04 |
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