CN101297649B - Insecticidal composition containing pymetrozine - Google Patents

Insecticidal composition containing pymetrozine Download PDF

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CN101297649B
CN101297649B CN2008101501242A CN200810150124A CN101297649B CN 101297649 B CN101297649 B CN 101297649B CN 2008101501242 A CN2008101501242 A CN 2008101501242A CN 200810150124 A CN200810150124 A CN 200810150124A CN 101297649 B CN101297649 B CN 101297649B
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pyrrole aphid
aphid ketone
nitenpyram
effect
pesticide
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CN2008101501242A
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CN101297649A (en
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郑敬敏
何爱华
冯建雄
张崇斌
王同斌
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陕西上格之路生物科学有限公司
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Abstract

The invention discloses a pesticide composite containing pymetrozine, comprising (A) a first active ingredient: pymetrozine and (B) a second active ingredients: effective cyhalothrin, nitenpyram or chlorpyrifos; the weight ratio of the first active ingredient and the second active ingredients is 0.01 to 100 : 1. The pesticide composite has reasonable constituent, good pesticide effect and low drug cost, and the activity and the pesticide effect are not simple sum of the activities of all the constituents but with the advantages of obvious synergistic effect, high quick action, long lasting effect, reducing the generation of resistance to drugs, little residual of preparation, no pollution to crops and good safety and meets the safety requirement of the pesticide preparation. The pesticide composite of the invention has controlling effect of 86.65 to 90.64 percent for rice fulgorid of rice, trialeurodes vaporariorum of vegetable and aphids of cotton.

Description

A kind of insecticides that contains pyrrole aphid ketone

Technical field

The present invention relates to a kind of agricultural insecticidal composite and application thereof that contains pyrrole aphid ketone, contain pyrrole aphid ketone as first active component and any one Pesticidal combination and application thereof as second active component of being selected from gamma cyhalothrin, Nitenpyram, the chlopyrifos particularly a kind of comprising, belongs to technical field of compounded pesticide.

Pyrrole aphid ketone (english common name pymetrozine, chemical molecular formula C 10H 11N 5O) mechanism of action is adult with after nymph contacts, and produces the lancet blocking effect, stops to get food and causes harm, hungry causing death.The characteristics of control are that speed of action is slower, lasting period is long, does not have cross resistance with its existing numerous insecticides, can prevent and treat most of homoptera pest, especially aphid section, Aleyrodidae, Cicadellidae and Delphacidae insect insect are applicable to vegetables, paddy rice, cotton, fruit tree and multiple field crop.But in actual application, use pyrrole aphid ketone list agent quick-acting relatively poor separately, insect easily produces resistance.

Gamma cyhalothrin (english common name lambda-cyhalothrin, chemical molecular formula C 23H 19O 3NClF 3) be extremely strong stomach toxicity of a kind of tool and action of contace poison, the insecticide of desinsection wide spectrum.It is fast to have insecticidal action, holds to imitate length, also lower to the toxicity of beneficial insect.Be applicable to insect on the crops of peanut, soybean, cotton, fruit tree, vegetables.In agriculture application process, gamma cyhalothrin has higher insecticidal activity, and homoptera pest is had good preventive effect, but owing to use for many years, and a lot of insects to be producing resistance to it, thereby causes control efficiency to descend.

Nitenpyram (english common name nitenpyram, chemical molecular formula C 11H 15ClN 4O 2) be a kind of efficient, wide spectrum, novel nicotinamide insecticide, its mechanism of action is touched acceptor to the aixs cylinder of insect and is had the nerve block effect for mainly acting on the insect nerve.Have remarkable interior suction and osmosis, consumption is few, and toxicity is low, crop safety is not had advantages such as poisoning.Be widely used in paddy rice, fruit tree, vegetables and tealeaves, prevent and treat various pests.But in actual application, use the agent of Nitenpyram list separately, insect easily produces resistance, and use cost rises day by day.

Chlopyrifos (english common name chlorpyrifos, chemical molecular formula C 9H 11Cl 3NO 3PS) belonging to anticholinesterase, is organic phosphor desinsection, the miticide of a kind of efficient, wide spectrum, safety.Have good tag, stomach toxicity and fumigation action and strong in absorption and high insecticidal activity, a dispenser can prevent and treat the various pests on the crop, to compare toxicity low, safe in utilization with conventional organophosphorous pesticide; Little to natural enemy population influence, but owing to use for many years, a lot of insects to be producing resistance to it, thereby cause control efficiency to descend.

At present, the pesticidal preparations that with pyrrole aphid ketone is effective ingredient is based on 25% pyrrole aphid ketone wetting powder, in actual use, lasting period is long, but quick-acting is relatively poor, and gamma cyhalothrin, Nitenpyram, chlopyrifos quick-acting are better, but lasting effect is relatively poor, the unexpected discovery of inventor is mixed two active components to use and can improves its quick-acting, and the lasting period is preferably arranged again, slows down the generation of pest resistance.

Summary of the invention

One of purpose of the present invention is to provide a kind of good disinsection effect, and drug cost is low, the insecticides that contains pyrrole aphid ketone that is difficult for developing immunity to drugs.

Another object of the present invention is to provide the purposes of above-mentioned composition.

In order to overcome the defective of existing single component formulations, technical scheme of the present invention is to solve like this:

A kind of agricultural insecticide composition that contains pyrrole aphid ketone is characterized in that comprising:

A) the first active component pyrrole aphid ketone;

B) the second active component gamma cyhalothrin, Nitenpyram or chlopyrifos;

The weight ratio of first active component and second active component is 0.01~100: 1, be preferably 0.02~50: and 1, most preferably be 0.02~20: 1.

The preparation formulation that the present composition can be prepared according to the known method of those skilled in the art of the present technique can be water dispersible granules, suspending agent and wetting powder.

For water dispersible granules, those skilled in the art are familiar with the use corresponding adjuvants and finish the present invention very much.In dispersant such as polycarboxylate, lignosulfonates, the alkylnaphthalene sulfonate one or more; In wetting agent such as alkyl sulfate, alkylsulfonate, the naphthalene sulfonate one or more; In disintegrant such as ammonium sulfate, urea, sucrose, the glucose one or more; In binding agent such as diatomite, corn starch, PVA, carboxymethyl (ethyl) cellulose family one or more; Filler such as diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.

To wetting powder, spendable auxiliary agent has: in dispersant such as polycarboxylate, lignosulfonates, the alkylnaphthalene sulfonate one or more; In wetting agent such as alkyl sulfate, alkylsulfonate, the naphthalene sulfonate one or more; Filler such as ammonium sulfate, urea, sucrose, glucose diatomite, kaolin, white carbon, fine particle calcium carbonate, talcum powder, attapulgite, potter's clay one or more.

To suspending agent, spendable auxiliary agent has: among dispersant such as polycarboxylate, lignosulfonates, alkylnaphthalene sulfonate, the TERSPERSE 2425 (U.S. Huntsman Corporation produces, the alkyl naphthalene sulfonic acid salt) one or more; Anhydrous sorbitol monostearate polyoxyethylene groups ether), agricultural newborn 1601# (common name: triphen ethyl-phenol polyoxyethylene polyoxypropylene block polymer), among TERSPERSE 4894 (the U.S. Huntsman Corporation product) TERSPERSE 2500 (U.S. Huntsman Corporation product) one or more emulsifier such as Nongru-700 # (common name: alkyl phenol formaldehyde resin polyoxyethylene ether, farming breast 2201, this dish-60# (common name sorbitan monostearate), Tween-60 # (common name:; Among wetting agent such as alkylphenol-polyethenoxy base ether formaldehyde condensation products phosphate, alkylphenol-polyethenoxy base ether phosphate, phenethyl phenol polyethenoxy base ether phosphate, alkyl sulfate, alkylsulfonate, naphthalene sulfonate, the TERSPERSE 2500 (U.S. Huntsman Corporation product) one or more; In thickener such as xanthans, polyvinyl alcohol, the bentonite one or more; In preservative such as formaldehyde, benzoic acid, the Sodium Benzoate one or more; Defoamer such as organic silicon defoamer; In antifreezing agent such as ethylene glycol, propane diols, glycerine, urea, inorganic salts such as the sodium chloride one or more.

Component of the present invention is reasonable, good disinsection effect, drug cost is low, and its active and insecticidal effect is not the simple superposition of each composition activity, but significant synergistic effect is arranged, quick-acting height, lasting effect are long, slow down the generation of resistance, the preparation less residue, pollution-free to crop, safety is good, meets the security requirement of pesticidal preparations.The present invention has 86.65%~90.64% control efficiency to rice hoppers, vegetables trialeurodes vaporariorum, cotton aphid.

Embodiment

Below in conjunction with embodiment content of the present invention is described further.

Example of formulations 1

Take by weighing 8% pyrrole aphid ketone, 20% chlopyrifos, 3%TERSPERSE 4894 (U.S. Huntsman Corporation product), 1%TERSPERSE 2500 (U.S. Huntsman Corporation product), 0.3% xanthans, 3% white carbon, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces) deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the pyrrole aphid ketone chlopyrifos suspending agent that makes 28% behind the sand mill sand milling.

The part by weight of pyrrole aphid ketone and chlopyrifos can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 28%, form new embodiment.

Chlopyrifos can also be replaced to gamma cyhalothrin or Nitenpyram, form new embodiment.

Example of formulations 2

Take by weighing 1% pyrrole aphid ketone, 50% gamma cyhalothrin, 4%TERSPERSE 4894 (U.S. Huntsman Corporation product), 1.5%TERSPERSE 2500 (U.S. Huntsman Corporation product), 2%TERSPERSE2425 (U.S. Huntsman Corporation product), 0.2% xanthans, 3% white carbon, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces) deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the pyrrole aphid ketone gamma cyhalothrin suspending agent that makes 51% behind the sand mill sand milling.

The part by weight of pyrrole aphid ketone and gamma cyhalothrin can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 51%, form new embodiment.

Gamma cyhalothrin can also be replaced to chlopyrifos or Nitenpyram, form new embodiment.

Example of formulations 3

Take by weighing 40% pyrrole aphid ketone, 2% Nitenpyram, 5%TERSPERSE 4894 (U.S. Huntsman Corporation product), 2%TERSPERSE 2500 (U.S. Huntsman Corporation product), 3%TERSPERSE 2425 (U.S. Huntsman Corporation product), 0.2% xanthans, 3% white carbon, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces) deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the pyrrole aphid ketone Nitenpyram suspending agent that makes 42% behind the sand mill sand milling.

The part by weight of pyrrole aphid ketone and Nitenpyram can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 42%, form new embodiment.

Nitenpyram can also be replaced to chlopyrifos or gamma cyhalothrin, form new embodiment.

Example of formulations 4

Take by weighing 40% pyrrole aphid ketone, 0.4% gamma cyhalothrin, 4%TERSPERSE 4894 (U.S. Huntsman Corporation product), 2%TERSPERSE 2500 (U.S. Huntsman Corporation product), 0.3% xanthans, 3% white carbon, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces) deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the pyrrole aphid ketone gamma cyhalothrin suspending agent that makes 40.4% behind the sand mill sand milling.

The part by weight of pyrrole aphid ketone and gamma cyhalothrin can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 40.4%, form new embodiment.

Gamma cyhalothrin can also be replaced to chlopyrifos or Nitenpyram, form new embodiment.

Example of formulations 5

Take by weighing 0.5% pyrrole aphid ketone, 44.5% gamma cyhalothrin, 4%TERSPERSE 4894 (U.S. Huntsman Corporation product), 2%TERSPERSE 2500 (U.S. Huntsman Corporation product), 0.3% xanthans, 3% white carbon, 5% propane diols, 0.5% benzoic acid, 0.5% silicone defoaming agent (trade name: s-29 Nanjing "four news" (new ideas applied chemistry product company produces) deionized water and add to 100% weight portion.Above-mentioned raw materials is through mixing, and high speed shear is disperseed 30min, with the pyrrole aphid ketone gamma cyhalothrin suspending agent that makes 45% behind the sand mill sand milling.

The part by weight of pyrrole aphid ketone and gamma cyhalothrin can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 45%, form new embodiment.

Gamma cyhalothrin can also be replaced to chlopyrifos or Nitenpyram, form new embodiment.

Example of formulations 6

Take by weighing 10% pyrrole aphid ketone, 1% gamma cyhalothrin, 6% calcium lignosulfonate, 3% alkylnaphthalene sulfonate formaldehyde condensation products (dispersing agent NNO), 1% lauryl sodium sulfate, 5% white carbon, kaolin and fill up weight portion to 100%.Above-mentioned raw materials is prepared into 11% pyrrole aphid ketone gamma cyhalothrin wetting powder through mixing, ultra micro comminution by gas stream, hybrid technique step.

The part by weight of pyrrole aphid ketone and gamma cyhalothrin can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 11%, form new embodiment.

Gamma cyhalothrin can also be replaced to chlopyrifos or Nitenpyram, form new embodiment.

Example of formulations 7

Take by weighing 1% pyrrole aphid ketone, 48% chlopyrifos, 6% calcium lignosulfonate, 4% alkylnaphthalene sulfonate formaldehyde condensation products (dispersing agent NNO), 1.5% lauryl sodium sulfate, 10% white carbon, kaolin and fill up weight portion to 100%.Above-mentioned raw materials is prepared into 49% pyrrole aphid ketone chlopyrifos wetting powder through mixing, ultra micro comminution by gas stream, hybrid technique step.

The part by weight of pyrrole aphid ketone and chlopyrifos can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 49%, form new embodiment.

Chlopyrifos can also be replaced to gamma cyhalothrin or Nitenpyram, form new embodiment.

Example of formulations 8

Take by weighing 30% pyrrole aphid ketone, 2% Nitenpyram, 4% calcium lignosulfonate, 4% alkylnaphthalene sulfonate formaldehyde condensation products (dispersing agent NNO), 1.5% lauryl sodium sulfate, 5% white carbon, kaolin and fill up weight portion to 100%.Above-mentioned raw materials is prepared into 32% pyrrole aphid ketone Nitenpyram wetting powder through mixing, ultra micro comminution by gas stream, hybrid technique step.

The part by weight of pyrrole aphid ketone and Nitenpyram can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 32%, form new embodiment.

Nitenpyram can also be replaced to gamma cyhalothrin or chlopyrifos, form new embodiment.

Example of formulations 9

Take by weighing 80% pyrrole aphid ketone, 1% Nitenpyram, 5% calcium lignosulfonate, 4% alkylnaphthalene sulfonate formaldehyde condensation products (dispersing agent NNO), 1.5% lauryl sodium sulfate, 5% white carbon, kaolin and fill up weight portion to 100%.Above-mentioned raw materials is prepared into 81% pyrrole aphid ketone Nitenpyram wetting powder through mixing, ultra micro comminution by gas stream, hybrid technique step.

The part by weight of pyrrole aphid ketone and Nitenpyram can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 81%, form new embodiment.

Nitenpyram can also be replaced to gamma cyhalothrin or chlopyrifos, form new embodiment.

Example of formulations 10

Take by weighing 15% pyrrole aphid ketone, 5% Nitenpyram, 3%TERSPERSE 2700 (polycarboxylate, U.S. Huntsman Corporation produces), 2% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 3% Nekal BX (nekal), 2%K-12 (lauryl sodium sulfate), 3% white carbon black, 5% sulphur ammonium, diatomite adds to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is promptly mixed, ultra micro comminution by gas stream, mixing, granulation step are produced 20% pyrrole aphid ketone Nitenpyram water dispersible granules.

The part by weight of pyrrole aphid ketone and Nitenpyram can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 20%, form new embodiment.

Nitenpyram can also be replaced to gamma cyhalothrin or chlopyrifos, form new embodiment.

Example of formulations 11

Take by weighing 1.5% pyrrole aphid ketone, 60% chlopyrifos, 5%TERSPERSE 2700 (polycarboxylate, U.S. Huntsman Corporation produces), 3% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 3% Nekal BX (nekal), 2%K-12 (lauryl sodium sulfate), 5% white carbon black, 8% sulphur ammonium, diatomite adds to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is promptly mixed, ultra micro comminution by gas stream, mixing, granulation step are produced 61.5% pyrrole aphid ketone chlopyrifos water dispersible granules.

The part by weight of pyrrole aphid ketone and chlopyrifos can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 61.5%, form new embodiment.

Chlopyrifos can also be replaced to gamma cyhalothrin or Nitenpyram, form new embodiment.

Example of formulations 12

Take by weighing 50% pyrrole aphid ketone, 3% gamma cyhalothrin, 5%TERSPERSE 2700 (polycarboxylate, U.S. Huntsman Corporation produces), 3% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 3% Nekal BX (nekal), 2%K-12 (lauryl sodium sulfate), 3% white carbon black, 8% sulphur ammonium, diatomite adds to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is promptly mixed, ultra micro comminution by gas stream, mixing, granulation step are produced 53% pyrrole aphid ketone gamma cyhalothrin water dispersible granules.

The part by weight of pyrrole aphid ketone and gamma cyhalothrin can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 53%, form new embodiment.

Gamma cyhalothrin can also be replaced to chlopyrifos or Nitenpyram, form new embodiment.

Example of formulations 13

Take by weighing 70% pyrrole aphid ketone, 1% gamma cyhalothrin, 5%TERSPERSE 2700 (polycarboxylate, U.S. Huntsman Corporation produces), 3% dispersing agent NNO (alkylnaphthalene sulfonate formaldehyde condensation products), 3% Nekal BX (nekal), 2%K-12 (lauryl sodium sulfate), 3% white carbon black, 8% sulphur ammonium, diatomite adds to 100% weight portion.The method of the frequent regulation of above-mentioned raw materials water intaking dispersible granule is promptly mixed, ultra micro comminution by gas stream, mixing, granulation step are produced 71% pyrrole aphid ketone gamma cyhalothrin water dispersible granules.

The part by weight of pyrrole aphid ketone and gamma cyhalothrin can be 0.01~100 in the present embodiment: change between 1, both total weight items still are 71%, form new embodiment.

Gamma cyhalothrin can also be replaced to chlopyrifos or Nitenpyram, form new embodiment.

Biological Examples 1: control cotton aphid field trial

The inventor consolidates the field control effectiveness test that Niu Jia village, town has carried out 11% pyrrole aphid ketone gamma cyhalothrin wetting powder control cotton aphid on July 5th, 2007 at Shaanxi Province's Weinan City Linwei District, verifies that the control efficiency of this medicament, effective dose reach the safety to cotton.The test cotton flower variety is " middle cotton 41 ".Test medicine and dosage are divided into: 750 times, 1000 times, 1500 times of 11% pyrrole aphid ketone gamma cyhalothrin wetting powders, and 1500 times of 25% pyrrole aphid ketone wetting powders, 1000 times of 2.5% gamma cyhalothrin aqueous emulsions adopt conventional spray-on process.

Control time and method: 5 samplings in every sub-district, fix 2 strains investigation at every, every strain fixedly upper blade has 4~5, the aphid number on the investigation fixed blade; Preventive effect is calculated by 1d, 3d, the residual group of 7d investigation cotton aphid behind the medicine.

Pt in the formula 0The equal group of the strain number of the worm alive before-chemicals treatment district medicine; Pt 1The equal group of the strain number of the worm alive behind-chemicals treatment district medicine;

CK 0The equal group of the strain number of the worm alive before-blank district medicine; CK 1The equal group of the strain number of the worm alive behind-blank district medicine;

Table 111% pyrrole aphid ketone gamma cyhalothrin WP control cotton aphid result of the test

As shown in table 1, to behind the medicine 7 days the time each sub-district preventive effect carry out the biostatistics analysis, analysis result shows: handle differences and reach extremely outstanding level, district's group difference is not remarkable.Significance of difference comparative result shows: consistent with the significance of difference on 0.01 level on 0.05 level, 11% pyrrole aphid ketone gamma cyhalothrin wetting powder is respectively handled differences with other for 750 times and is reached utmost point significance level, doubly handle differences utmost point significance level with 1000 times of 2.5% gamma cyhalothrin aqueous emulsions, 25% pyrrole aphid ketone WP1500 for its 1000 times, 1000 times of contrast medicament 2.5% gamma cyhalothrin aqueous emulsions, 25% pyrrole aphid ketone WP1500 doubly handles and to handle differences not remarkable for 1500 times of test medicines.

Field trial shows: 11% pyrrole aphid ketone gamma cyhalothrin wetting powder has remarkable prevention effect to cotton aphid, the preventive effect that 11% pyrrole aphid ketone gamma cyhalothrin wetting powder is 750 times, 1000 times all obviously is better than two contrast medicaments, after test shows that pyrrole aphid ketone and gamma cyhalothrin are mixed, obviously improved pyrrole aphid ketone to cotton aphid quick-acting, increased should the list agent to the control efficiency of cotten aphid, greatly reduce dosage and drug cost, reduced the influence of agricultural chemicals simultaneously environment.Handle all to cotton growth safety through each concentration of duration of test viewing test medicament, have no adverse effects.

Biological Examples 2: prevent and treat the rice hoppers field trial

The inventor has carried out 28% pyrrole aphid ketone chlopyrifos suspending agent on July 25th, 2007 and has prevented and treated the field control effectiveness test of rice hoppers in Xi Tou village, Heng Xi town, Zhejiang Province's fairy house county, verified that this medicament reaches the safety to paddy rice to rice hoppers control efficiency, effective dose.The test water rice varieties is excellent No. 1 of Zhejiang.Test medicine and dosage: 28% pyrrole aphid ketone chlopyrifos suspending agent 20ml/ mu, 30mlg/ mu, 40ml/ mu, 40% chlorpyrifos ec 80ml/ mu, 25% pyrrole aphid ketone wetting powder 20g/ mu, conventional spray-on process is adopted in test, respectively at respectively carrying out once residual borer population investigation before the medicine, behind the medicine in 2 days, 7 days, 14 days.Take the random sampling of balance great-jump-forward, 10 every 2 clumps of every sub-districts (totally 20 clumps), with basin bat method record rice fulgorid (comprising small brown rice planthopper, brown planthopper and white-backed planthopper) borer population, by before every clump of medicine, the borer population calculation correction preventive effect (hereinafter to be referred as preventive effect) behind the medicine, and carry out the significance of difference and measure.2,7,14 days observation paddy growth situations behind medicine are estimated reagent agent and are had or not poisoning to produce to paddy rice simultaneously.Computational methods

In the formula: Pt 0Before-----treatment region medicine; Pt 1Behind-----treatment region medicine

CK 0Before the medicine of-----check plot; CK 1Behind the medicine of-----check plot

Table 2 28% pyrrole aphid ketone chlopyrifos suspending agent is prevented and treated the rice hoppers result of the test

As shown in table 2, to behind the medicine the 7th day the time each sub-district preventive effect carry out the biostatistics analysis, analysis result shows: handle differences and reach extremely outstanding level, district's group difference is not remarkable.Significance of difference comparative result shows: consistent with the significance of difference on 0.01 level on 0.05 level, 28% pyrrole aphid ketone chlopyrifos suspending agent 40ml/ mu and 30ml/ mu 2 are handled differences and are all reached utmost point significance level, 2 handle all with its 20ml/ mu and contrast medicament 40% chlorpyrifos ec 80ml/ mu, 25% pyrrole aphid ketone WP20g/ mu processing differences and all reach utmost point significance level, and test medicine 28% pyrrole aphid ketone chlopyrifos suspending agent 30ml/ mu is not with to contrast the difference of comparing between medicament 40% chlorpyrifos ec 80ml/ mu, 3 processing in twos of 25% pyrrole aphid ketone WP20g/ mu all remarkable.Field test results shows (seeing Table 2): 28% pyrrole aphid ketone chlopyrifos suspending agent has remarkable prevention effect to rice hoppers, after pyrrole aphid ketone and chlopyrifos are mixed the advantage that dosage is few, control efficiency is high is arranged; On quick-acting and control efficiency, all be better than two kinds of contrast medicament list agent control efficiency, and good to rice safety, therefore have wide practical use in the production.Observe through duration of test, each dosage of test medicine is handled and all paddy growth safety is had no adverse effects.

Biological Examples 3: control tomato trialeurodes vaporariorum field trial

The inventor has carried out the field control effectiveness test of 20% pyrrole aphid ketone Nitenpyram water dispersible granules control tomato trialeurodes vaporariorum in November, 2007 in Yangling District Li Tai township, Shaanxi Province builds cunette village green house, verify that this medicament is to the control efficiency of trialeurodes vaporariorum, effective dose and to the safety of tomato.The test tomato variety is " east is holy ".Test medicine and dosage: 1000 times, 1500 times, 2000 times of 20% pyrrole aphid ketone Nitenpyram water dispersible granules, 750 times of 25% pyrrole aphid ketone wetting powders, 1500 times in 10% Nitenpyram aqua.Adopt conventional spray-on process, 10 strains are fixedly chosen in every sub-district during investigation, are letting alone under the situation of insect the whole strain of investigation borer population all alive.Carry out radix investigation before the dispenser, and 1 day, 3 days and each investigation in 7 days are investigated altogether 4 times once behind medicine, calculate preventive effect.Computational methods:

In the formula: Pt 0Pt before-----treatment region medicine 1Behind-----treatment region medicine

CK 0CK before the medicine of-----check plot 1Behind the medicine of-----check plot

Table 3 20% pyrrole aphid ketone Nitenpyram water dispersible granules control tomato trialeurodes vaporariorum result of the test

As shown in table 3, to behind the medicine the 3rd day the time each sub-district preventive effect carry out the biostatistics analysis, analysis result shows: handle differences and reach extremely outstanding level, district's group difference is not remarkable.Significance of difference comparative result shows: consistent with the significance of difference on 0.01 level on 0.05 level, 20% pyrrole aphid ketone Nitenpyram water dispersible granules is respectively handled differences with other for 1000 times, 1500 times and is reached utmost point significance level, its 2000 times are not remarkable with 1500 times of processing of 10% Nitenpyram aqua differences, and both all reach utmost point significance level with 750 times of processing of 25% pyrrole aphid ketone wetting powder differences.

Field trial shows: 20% pyrrole aphid ketone Nitenpyram water dispersible granules has remarkable prevention effect to the tomato trialeurodes vaporariorum, the preventive effect that 20% pyrrole aphid ketone Nitenpyram water dispersible granules is 1000 times, 1500 times all obviously is better than two contrast medicaments, after test shows that pyrrole aphid ketone and Nitenpyram are mixed, significantly improved to the quick-acting of trialeurodes vaporariorum and to the control efficiency of trialeurodes vaporariorum, greatly reduce dosage and drug cost, reduced the influence of agricultural chemicals simultaneously environment.Handle all to tomato growth safety through each concentration of duration of test viewing test medicament, have no adverse effects.

In sum, composition of the present invention is to adopt two kinds of active component compound schemes, and its activity and desinsection effect are not the simple superposition of each composition activity, compare with existing unitary agent, except having significant desinsection effect, and significant synergistic effect arranged, quick-acting height, lasting effect are long, slow down the generation of resistance, the preparation less residue, pollution-free to crop, security is good, meets the security requirement of agricultural chemicals preparation.

Claims (5)

1. Pesticidal combination that contains pyrrole aphid ketone is characterized in that comprising:
A) the first active component pyrrole aphid ketone;
B) the second active component gamma cyhalothrin;
The weight ratio of first active component and second active component is 0.01~100: 1.
2. a kind of Pesticidal combination that contains pyrrole aphid ketone according to claim 1 is characterized in that: the weight ratio of first active component and second active component is 0.02~50: 1.
3. a kind of Pesticidal combination that contains pyrrole aphid ketone according to claim 2 is characterized in that: the weight ratio of first active component and second active component is 0.02~20: 1.
4. according to one of any described a kind of Pesticidal combination that contains pyrrole aphid ketone of claim 1~3, it is characterized in that described composition is water dispersible granules, suspending agent or wetting powder formulation.
5. the purposes of the described composition of claim 1 in preventing and treating rice hoppers, vegetables trialeurodes vaporariorum and cotton aphid insect.
CN2008101501242A 2008-06-24 2008-06-24 Insecticidal composition containing pymetrozine CN101297649B (en)

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CN102017993A (en) * 2009-09-22 2011-04-20 南京华洲药业有限公司 Synergistic insecticidal compound containing pymetrozine and chlorpyrifos-methyl and application thereof
CN102017948B (en) * 2009-09-22 2013-09-18 南京华洲药业有限公司 Synergistic pesticide combination containing nitenpyram and pyridalyl and application of combination
CN101743975A (en) * 2010-01-08 2010-06-23 张志高 Insecticidal composition containing pymetrozine and nitenpyram
CN101911934B (en) * 2010-01-28 2013-06-12 惠州市银农科技有限公司 Emamectin benzoate water dispersible granule capable of fast disintegrating and preparation method thereof
CN101773139A (en) * 2010-01-29 2010-07-14 中国水稻研究所 Compound pesticide of pymetrozine and chlorpyrifos
CN101911941A (en) * 2010-08-06 2010-12-15 北京燕化永乐农药有限公司 Pesticide composition containing nitenpyram and pymetrozine
CN102349535A (en) * 2011-09-30 2012-02-15 张少武 Insecticide combination containing pymetrozine and high-efficacy lambda-cyhalothrin
CN102578106A (en) * 2012-02-06 2012-07-18 山东禾宜生物科技有限公司 Pesticide for controlling aphides of ornamental chrysanthemum
CN103355301B (en) * 2012-03-31 2017-03-29 陕西韦尔奇作物保护有限公司 A kind of composition pesticide containing pyridalyl
CN104982441A (en) * 2015-08-01 2015-10-21 华中农业大学 Insecticidal composition containing pymetrozine and nitenpyram and preparation method of insecticidal composition
CN106342823A (en) * 2016-08-30 2017-01-25 周翠华 Pesticide sprayed by unmanned aerial vehicle used to prevent and kill rice planthopper
CN107307019A (en) * 2017-08-15 2017-11-03 马鞍山中粮生物化学有限公司 A kind of vegetables special-purpose insecticide and preparation method thereof

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