CN101444215A - Desinsection composite and application thereof - Google Patents
Desinsection composite and application thereof Download PDFInfo
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- CN101444215A CN101444215A CNA2008101907330A CN200810190733A CN101444215A CN 101444215 A CN101444215 A CN 101444215A CN A2008101907330 A CNA2008101907330 A CN A2008101907330A CN 200810190733 A CN200810190733 A CN 200810190733A CN 101444215 A CN101444215 A CN 101444215A
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- buprofezin
- nitenpyram
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Abstract
The invention relates to a desinsection composite and application thereof. The effective components are Nitenpyram and Buprofezin; the weight portion ratio of the Nitenpyram to the Buprofezin is 5:1-1:20. The desinsection composite can be processed into any preparation formulation acceptable to pesticide application; the preferable preparation formulation is wettable powder, aqueous emulsion, missible oil, microemulsion, water dispersible granule or troche, and suspending agent. The composite is used for controlling pests on plants, especially the homoptera pests like plant hopper, leafhopper, white fly, and the like.
Description
Technical field
The present invention relates to composition pesticide and application thereof, being specifically related to Nitenpyram and Buprofezin is the composition of active ingredient, be used to prevent and treat the insect on the agricultural, especially be suitable for preventing and treating insects such as plant hopper, aleyrodid, aphid, more specifically be suitable for control and produced homoptera pests such as resistance rice planthopper, aleyrodid, aphid.
Background technology
In agricultural production, chemical control is the main effective means of pest control.The problem that is easy to generate most by the chemical control insect is the generation of pest resistance to insecticide.Be easy to generate normally big, the tangible insect of generation overlap of breeding amount of drug-fast insect, as plant hopper, aleyrodid, aphid etc.
Rice fulgorid is one of paddy rice three major pests, can migrate at a distance, and can propagate the paddy rice virus disease; The rice fulgorid breeding amount is big, and every mu of insect population number can reach heads up to a million when serious, can cause crushing harm to paddy rice.
Aleyrodid is the primary pest on cotton, vegetables, the flowers etc., and adult and nymph suck the juice of blade, and energy part of propagation virus disease can also be secreted a large amount of honeydews, brings out sooty mould.
In recent years, because drug-fast generation, phoxim in conventional pesticide composition such as pyrethroid, the organic phosphor, the Mobucin of carbamates etc., prevent and treat rice fulgorid, aleyrodid poor effect separately, even newer anabasine insecticide Imidacloprid is also because of developing immunity to drugs, control efficiency declines to a great extent, and loses use value on many areas and target object.
Nitenpyram, English general nitenpyram by name is a kind of efficient, wide spectrum, novel nicotinamide insecticide.Mainly act on the nerve of insect, the aixs cylinder of insect is touched acceptor have the nerve block effect.Nitenpyram has remarkable interior suction and osmosis, and consumption is few, and toxicity is low, and crop safety is not had poisoning, is the desirable kind of integrated control.Nitenpyram can be widely used in paddy rice, fruit tree, vegetables and tea, and control rice fulgorid, aphid, thrips, trialeurodes vaporariorum, Bemisia tabaci, leafhopper etc. inhale the formula mouthpart insect, and the insect that conventional pesticides has been produced resistance has good control efficiency.Its structure and Imidacloprid belong to anabasine, and the pesticide resistance risk is higher, must take preventive measures.
Buprofezin has another name called buprofezin, and English general buprofezin by name belongs to diazine ketone chitin synthesis inhibitor, adult is not had direct lethality, but can shorten its life-span, reduce egg laying amount, and the ovum that is produced mostly is addle-egg.It is synthetic that Buprofezin suppresses insect chitin, disturbs metabolism, makes nymph cast off a skin deformity or wing deformity and slowly dead, do not have cross resistance with conventional organic phosphor and pyrethrin pesticide, and selectivity is strong, to natural enemies security.Though the lasting period is long, Buprofezin belongs to and suppresses the insecticide that insect growth is grown, and action effect is slow, and adult is not had lethal effect, can not control harm rapidly.
Present domestic registration also mainly contains at the composition that contains Buprofezin that uses: Buprofezin and Mobucin, Buprofezin and desinsection list, Buprofezin and Hostathion, Buprofezin and Imidacloprid, Buprofezin and pyridaben, Buprofezin and beta-cypermethrin etc., still nobody reported in the composite and application of Buprofezin and Nitenpyram.
Summary of the invention
Based on above statement, the purpose of this invention is to provide a kind of Pesticidal combination, its quick-acting is good, and the lasting period is long, can reduce the usage amount of agricultural chemicals, helps to overcome and delay the generation and the development of pest resistance to insecticide, and the control efficiency of antagonism property of medicine insect is good especially.
Another object of the present invention provides the application of Pesticidal combination.
The objective of the invention is to be achieved through the following technical solutions:
The active ingredient kind of different mechanism of action is carried out composite, can delay the generation of pest resistance to insecticide, is one of effective way of control resistant insect.Compound synergic is well filled a prescription, owing to obviously improved actual control efficiency, has reduced the usage amount of agricultural chemicals, is the important channel of agricultural chemicals new product development.The agricultural chemicals of different cultivars shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing usually.But be specially which kind of effect, unpredictable, have only by a large amount of tests and just can know.
The present composition is to be first active component (A) with Nitenpyram, is second active component (B) with Buprofezin, and the ratio of quality and the number of copies of A and B is 1:1-1:10 at 5:1-1:20 preferably, and all the other are to allow the auxiliary material that uses in the agricultural chemicals.
Pesticidal combination provided by the invention, can be according to crop, the environmental condition of living in of required control, prevent and treat all kinds of factors such as method, control cost, cooperate with auxiliary material make agricultural chemicals use in acceptable any one formulation, preferred formulation is wetting powder, aqueous emulsion, missible oil, microemulsion, water dispersible granules or tablet, suspending agent.
Auxiliary material in the present composition comprises that solvent, dispersant, wetting agent, emulsifier, stabilizing agent, thickener, pH regulator agent, antifreezing agent, excipient, filler and other are of value to the known substance of active ingredient stable and drug effect performance in preparation, all be the various compositions that permission commonly used in the pesticidal preparations is used, be not particularly limited.
The processing technology of the various preparations of the present composition adopts known method preparation, is method commonly used in the pesticidal preparations processing technology.
Product described in the invention can the finished product preparation form provide, and promptly each material mixes in the composition, and the composition of composition also can provide with single agent form, directly directly mixes in bucket or jar before the use, is diluted to required concentration then.
The present invention is in conjunction with test and embodiment, and composition has obvious synergistic effect as can be seen, and has produced following beneficial effect:
1. the present composition shows fabulous synergistic effect, the insecticidal effect of composition is significantly improved than single agent, reduced using dosage, dispenser recruitment and the cost of agricultural chemicals simultaneously, also reduced harmful effect and residue of pesticide, had tangible economic benefit and social benefit environment.
2. the active ingredient mechanism of action difference in the present composition, the application of composition can delay or overcome the pesticide resistance of insect, prolongs the service life of single agent.
Embodiment
The present patent application people is in to the research of plant hopper pesticide resistance, the plant hopper of finding Nitenpyram antagonism Imidacloprid is active high, further that Nitenpyram and other known farm chemical ingredients is composite, found that unexpectedly Nitenpyram and buprofezin compound have significant synergistic effect; Nitenpyram and Buprofezin are 5:1-1:20 by ratio of quality and the number of copies, are 1:1-1:10 preferably; The present composition can will contain the former medicine of these active ingredients and suitable assistant agent and make upward available any formulation of agricultural according to the known processing method of those skilled in the art of the present technique; The present composition can be used for preventing and treating the homoptera pests such as insect, especially plant hopper, leafhopper and aleyrodid on the various plants, has more particularly produced the homoptera pests such as water rice hopper, leafhopper and aleyrodid of resistance.
In order to make purpose of the present invention, technical scheme and advantage clearer, summary of the invention is described in further detail below in conjunction with embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.All any modifications of being made within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention, therefore, the protection domain of patent of the present invention should be as the criterion with claims.
In the embodiment of the invention in the proportioning of all preparations percentage be mass percent, the treatment dosage of the biologicall test part and the test of pesticide effectiveness is effective content.
Embodiment 1:20% Nitenpyram Buprofezin missible oil
Nitenpyram 5%
Buprofezin 15%
The newborn 1601# 3% of farming
The newborn 500# 3% of farming
Dimethyl sulfoxide (DMSO) 6%
N-Methyl pyrrolidone 3%
Acetone is mended to 100%
Mentioned component is pressed formula rate add in the mixing kettle, stir, make 20% Nitenpyram Buprofezin missible oil.
There is the resistance rice planthopper test in this prescription control field to Imidacloprid, and the contrast medicament is 10% Nitenpyram aqua (Jiangsu Lianyungang Liben Agro-chemical Co., Ltd.) and 25% Buprofezin wetting powder (Shenzhen Nuopuxin Agricultural Chemical Co., Ltd).Test adopts spraying to handle.
The dosage of this prescription is 45 gram/hectares, and the dosage of contrast medicament 10% Nitenpyram aqua is 30 gram/hectares, and the dosage of 25% Buprofezin wetting powder is 110 gram/hectares, and 15 days control efficiency is respectively 96.2%, 85.4% and 84.0% behind the medicine.
The control efficiency of this prescription is better than single agent kind, significant difference, and synergistic effect is obvious, can reduce the formulation rate of agricultural chemicals simultaneously.
Embodiment 2:21% Nitenpyram buprofezin suspension agent
Nitenpyram 1%
Buprofezin 20%
Poly-naphthaldehyde sulfonate sodium 3%
Alkylaryl polyoxyethylene polyoxypropylene ether 2%
Defoamer 0.4%
Xanthans 0.2%
Urea 1%
Water is mended to 100%
The ratio of mentioned component in prescription mixed, through grind and or high speed shear after, be mixed with 21% Nitenpyram buprofezin suspension agent.
This prescription control vegetable field trialeurodes vaporariorum test, the contrast medicament is the same.Test adopts spraying to handle.
The dosage of this prescription is 78.75 gram/hectares, the dosage of contrast medicament 10% Nitenpyram aqua is 30 gram/hectares, the dosage of 25% Buprofezin wetting powder is 90 gram/hectares, and 15 days control efficiency is respectively 95.9%, 86.4% and 84.7% behind the medicine.
The control efficiency of this prescription is better than single agent kind, significant difference, and synergistic effect is obvious, can reduce the formulation rate of agricultural chemicals simultaneously.
Embodiment 3:12% Nitenpyram Buprofezin aqueous emulsion
Nitenpyram 10%
Buprofezin 2%
Emulsifier 1602# phosphate 4%
Emulsifier 500# 2%
N-Methyl pyrrolidone 8%
Acetone 5%
Water is mended to 100%
With the ratio of mentioned component in prescription, add in the blender, shear through fully stirring, be mixed with 12% Nitenpyram Buprofezin aqueous emulsion.
The test of this prescription control eggplant Bemisia tabaci, the contrast medicament is the same.Test adopts spraying to handle.
The dosage of this prescription is 28.8 gram/hectares, the dosage of contrast medicament 10% Nitenpyram aqua is 30 gram/hectares, the dosage of 25% Buprofezin wetting powder is 90 gram/hectares, and 15 days control efficiency is respectively 96.7%, 84.1% and 84.0% behind the medicine.
The control efficiency of this prescription is better than single agent kind, significant difference, and synergistic effect is obvious, can reduce the formulation rate of agricultural chemicals simultaneously.
Embodiment 4:55% Nitenpyram Buprofezin water-dispersible granules
Nitenpyram 5%
Buprofezin 50%
Sodium lignin sulfonate 6%
Alkyl is sodium sulfonate 5% how
Lauryl sodium sulfate 2%
Ammonium sulfate 6%
CMC 1％
Precipitated calcium carbonate is mended to 100%
Mentioned component mixes in the ratio of filling a prescription after coarse crushing, through comminution by gas stream, makes wetting powder, adds a certain amount of water again, mixes extruder grain, and 55% Nitenpyram Buprofezin water-dispersible granules is made in the drying screening.
The test of this prescription control tomato Bemisia tabaci, the contrast medicament is the same.Test adopts spraying to handle.
The dosage of this prescription is 110 mg/kg, the dosage of contrast medicament 10% Nitenpyram aqua is 50 mg/kg, the dosage of 25% Buprofezin wetting powder is 250 mg/kg, and 15 days control efficiency is respectively 97.7%, 87.1% and 83.8% behind the medicine.
The control efficiency of this prescription is better than single agent kind, significant difference, and synergistic effect is obvious, can reduce the formulation rate of agricultural chemicals simultaneously.
Embodiment 5:32% Nitenpyram Buprofezin microemulsion
Nitenpyram 2%
Buprofezin 30%
Neopelex 6%
N-Methyl pyrrolidone 3%
Nongru-700 # 4%
Isopropyl alcohol 6%
Acetone 4%
Water is mended to 100%
With each component stirring and evenly mixing in agitator, the heating phase inversion promptly gets product.
The test of this prescription control rice black-tailed leafhopper, the contrast medicament is the same.Test adopts spraying to handle.
The dosage of this prescription is 40 gram/hectares, and the dosage of contrast medicament 10% Nitenpyram aqua is 30 gram/hectares, and the dosage of 25% Buprofezin wetting powder is 140 gram/hectares, and 15 days control efficiency is respectively 96.1%, 88.1% and 84.5% behind the medicine.
The control efficiency of this prescription is better than single agent kind, significant difference, and synergistic effect is obvious, can reduce the formulation rate of agricultural chemicals simultaneously.
Embodiment 6:5% Nitenpyram Buprofezin microemulsion
Nitenpyram 2.5%
Buprofezin 2.5%
Neopelex 4%
N-Methyl pyrrolidone 2%
Nongru-700 # 3%
Isopropyl alcohol 4%
Acetone 3%
Water is mended to 100%
Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase, slowly add in the entry under stirring,, be chilled to room temperature and make microemulsion again through the rapid phase inversion of agitating heating.
The test of this prescription control tea tree smaller green leaf hopper, the contrast medicament is the same.Test adopts spraying to handle.
The dosage of this prescription is 45 gram/hectares, and the dosage of contrast medicament 10% Nitenpyram aqua is 30 gram/hectares, and the dosage of 25% Buprofezin wetting powder is 140 gram/hectares, and 15 days control efficiency is respectively 95.3%, 89.4% and 84.7% behind the medicine.
The control efficiency of this prescription is better than single agent kind, significant difference, and synergistic effect is obvious, can reduce the formulation rate of agricultural chemicals, simultaneously can the double Aleurocanthus spiniferus of controlling on the tea tree.
Embodiment 7:70% Nitenpyram Buprofezin wetting powder
Nitenpyram 20%
Buprofezin 50%
Sodium lignin sulfonate 6%
Alkyl is sodium sulfonate 5% how
Lauryl sodium sulfate 2%
Ammonium sulfate 6%
CMC 1％
Precipitated calcium carbonate is mended to 100%
Mentioned component mixes in the ratio of filling a prescription after coarse crushing, through comminution by gas stream, makes 70% Nitenpyram Buprofezin wetting powder.
The test of this prescription control apple thrips, the contrast medicament is the same.Test adopts spraying to handle.
The dosage of this prescription is 117 mg/kg, the dosage of contrast medicament 10% Nitenpyram aqua is 50 mg/kg, the dosage of 25% Buprofezin wetting powder is 250 mg/kg, and 15 days control efficiency is respectively 91.0%, 87.1% and 60.9% behind the medicine.
The control efficiency of this prescription is better than single agent kind, significant difference, and synergistic effect is obvious, can reduce the formulation rate of agricultural chemicals simultaneously.
Biologicall test example 1:
It is tested object that brown plant-hopper (Nilaparvata lugens) is adopted in test, and early rice field gather brown planthopper adult from Hepu of Guangxi in June, 2007, indoor egg reproduction, and this population has high-level resistance to Imidacloprid.Test method adopts rice stem infusion process.Extract with root the rice strain at healthy and strong tillering stage to booting initial stage, clean, be cut into the long band root rice stem of about 10cm, one group of 3 strain locate to dry in the air not have washmarking to the surface in the cool place.With distilled water reagent agent being become 5-6 series concentration by proportional diluted, the rice stem is soaked 30s respectively in the soup of variable concentrations, is contrast with distilled water, dries after the taking-up, encases root with the absorbent cotton that soaks and puts into the cultivation cup.The brown planthopper nymph in 3 age of artificial feeding is sucked in the cultivation cup, and 20 every glass, every concentration repeats 3 times, 60 of coprocessing.Connect behind the worm that to put into temperature be 27 ± 1 ℃ cultivating cup, the photoperiod is 16:8h (L:D), and relative moisture is to raise in the incubator of 70-80%.Check borer population anyway after handling 96h, calculate lethality and corrected mortality.Carry out statistical analysis with the DPS data processing software, calculate the LC of each medicament
50
The co-toxicity coefficient of mixture (CTC value) calculates by following formula:
In the formula:
ATI---mixture actual measurement toxicity index;
The LC of S---standard insecticide
50, unit is every liter (mg/l) of milligram;
The LC of M---mixture
50, unit is every liter (mg/l) of milligram;
TTI＝TI
A x P
A+TI
B x P
B
In the formula:
The theoretical toxicity index of TTI---mixture;
TI
A----A medicament toxicity index;
P
AThe percentage composition of-----A medicament in mixture, unit is a percentage;
TI
B----B medicament toxicity index;
P
BThe percentage composition of-----B medicament in mixture, unit is a percentage
In the formula:
The CTC----co-toxicity coefficient;
ATI---mixture actual measurement toxicity index;
The theoretical toxicity index of TTI---mixture.
Composite dose co-toxicity coefficient CTC 〉=120 show as synergistic effect; CTC≤80 show as antagonism; 80＜CTC＜120 show as summation action.
Nitenpyram and buprofezin compound ratio are 5:1-1:20, and rice fulgorid co-toxicity coefficient CTC value all greater than 120, is all had significant synergistic effect (seeing Table 1).
Table 1 different disposal is to the toxicity test result of rice fulgorid
| Handle medicament and proportioning | LC 50(mg/L) | ATI | TTI | Co-toxicity coefficient CTC |
| Nitenpyram (A) | 10.76 | 100 | / | / |
| Buprofezin (B) | 20.02 | 53.75 | / | / |
| (A)5：(B)1 | 8.14 | 132.19 | 61.68 | 214.33 |
| (A)3：(B)1 | 7.36 | 146.20 | 64.32 | 227.30 |
| (A)1：(B)1 | 6.05 | 177.85 | 66.96 | 265.60 |
| (A)1：(B)3 | 5.36 | 200.75 | 69.60 | 288.41 |
| (A)1：(B)5 | 5.87 | 183.30 | 72.25 | 253.72 |
| (A)1：(B)10 | 6.12 | 175.82 | 61.68 | 285.07 |
| (A)1：(B)15 | 6.58 | 163.53 | 64.32 | 254.24 |
| (A)1：(B)20 | 7.11 | 151.34 | 66.96 | 226.00 |
Biologicall test example 2:
Adopting trialeurodes vaporariorum (Trialeurodes vaporariorum) is subjects, and test method is with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ".
The examination worm is the cucumber trialeurodes vaporariorum adult of picking up from the field, and an indoor feeding generation is got the trialeurodes vaporariorum nymph and tested, and will have the cucumber leaves of 30 above trialeurodes vaporariorum nymphs to put into the culture dish of 12 centimetres of diameters, 5 wares of every processing; Spray under 50PSI pressure with the Potter spray tower, spray a culture dish at every turn, 3 milliliters of every ware spraying liquids, blank spray equivalent clear water.Sprayed the back airing and put into 25 ℃, cultivated in the 12H/12H illumination box, handled back 48 hours, calculated lethality with the dead borer population of anatomical lens inspection.Each processing is provided with 6 concentration gradients.Statistical method is the same.
Nitenpyram and buprofezin compound ratio are 5:1-1:20, and cucumber trialeurodes vaporariorum co-toxicity coefficient CTC value all greater than 120, is all had significant synergistic effect (table 2).
Table 2 different disposal is to the toxicity test result of cucumber trialeurodes vaporariorum
| Handle medicament and proportioning | LC 50(mg/L) | ATI | TTI | Co-toxicity coefficient CTC |
| Nitenpyram (A) | 11.73 | 100.00 | / | / |
| Buprofezin (B) | 20.26 | 57.90 | / | / |
| (A)5：(B)1 | 8.54 | 131.58 | 92.98 | 141.52 |
| (A)3：(B)1 | 7.06 | 160.83 | 89.47 | 121.75 |
| (A)1：(B)1 | 6.25 | 141.21 | 78.95 | 178.87 |
| (A)1：(B)3 | 5.56 | 140.99 | 68.42 | 206.05 |
| (A)1：(B)5 | 6.87 | 126.13 | 64.91 | 194.30 |
| (A)1：(B)10 | 7.12 | 135.76 | 61.72 | 219.95 |
| (A)1：(B)15 | 6.88 | 125.32 | 60.53 | 207.04 |
| (A)1：(B)20 | 7.31 | 114.44 | 59.90 | 191.04 |
Claims (5)
1, a kind of Pesticidal combination is characterized in that the effective active composition is made up of Nitenpyram and Buprofezin, and the ratio of quality and the number of copies of Nitenpyram and Buprofezin is at 5:1-1:20.
2, according to claim 1, the ratio of quality and the number of copies that it is characterized in that Nitenpyram and Buprofezin is 1:1-1:10.
3, according to claim 1 or 2, the total content that it is characterized in that active ingredient in the composition is 5-80%.
4, according to claim 1 or 2, it is characterized in that Nitenpyram and buprofezin compound, be processed into acceptable any one formulation in the agricultural chemicals application, preferred formulation is wetting powder, aqueous emulsion, missible oil, microemulsion, water dispersible granules or tablet, suspending agent.
5, a kind of Pesticidal combination is used to prevent and treat the insect on the plant, homoptera pests such as plant hopper, leafhopper and aleyrodid especially, homoptera pests such as the water rice hopper that has more particularly developed immunity to drugs, leafhopper and aleyrodid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101907330A CN101444215A (en) | 2008-12-27 | 2008-12-27 | Desinsection composite and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101907330A CN101444215A (en) | 2008-12-27 | 2008-12-27 | Desinsection composite and application thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101946763A (en) * | 2010-08-25 | 2011-01-19 | 广西田园生化股份有限公司 | Nitenpyram and buprofezin binary composition electrostatic spray liquid agent and preparation method thereof |
| CN101755773B (en) * | 2010-01-25 | 2012-07-04 | 陕西上格之路生物科学有限公司 | Pesticidal combination containing IPP and buprofezin |
| CN103621517A (en) * | 2013-12-05 | 2014-03-12 | 湖南省植物保护研究所 | Buprofezin and nitenpyram binary composition, pesticide and application of pesticide to prevention and control of paddy rice sogatella furcifera |
-
2008
- 2008-12-27 CN CNA2008101907330A patent/CN101444215A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755773B (en) * | 2010-01-25 | 2012-07-04 | 陕西上格之路生物科学有限公司 | Pesticidal combination containing IPP and buprofezin |
| CN101946763A (en) * | 2010-08-25 | 2011-01-19 | 广西田园生化股份有限公司 | Nitenpyram and buprofezin binary composition electrostatic spray liquid agent and preparation method thereof |
| CN101946763B (en) * | 2010-08-25 | 2013-11-06 | 广西田园生化股份有限公司 | Nitenpyram and buprofezin binary composition electrostatic spray liquid agent and preparation method thereof |
| CN103621517A (en) * | 2013-12-05 | 2014-03-12 | 湖南省植物保护研究所 | Buprofezin and nitenpyram binary composition, pesticide and application of pesticide to prevention and control of paddy rice sogatella furcifera |
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