CN103070186A - Insecticidal composition containing thiamethoxam and application of insecticidal composition - Google Patents
Insecticidal composition containing thiamethoxam and application of insecticidal composition Download PDFInfo
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- CN103070186A CN103070186A CN2013100269884A CN201310026988A CN103070186A CN 103070186 A CN103070186 A CN 103070186A CN 2013100269884 A CN2013100269884 A CN 2013100269884A CN 201310026988 A CN201310026988 A CN 201310026988A CN 103070186 A CN103070186 A CN 103070186A
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- diacloden
- thiamethoxam
- osthole
- pesticidal combination
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Abstract
The invention discloses an insecticidal composition containing thiamethoxam, which comprises thiamethoxam and cnidium lactone as active components. The weight ratio of thiamethoxam to cnidium lactone is 50:1-1:50. The invention relates to an application of the insecticidal composition containing thiamethoxam in controlling homoptera. The insecticidal composition and the application have the advantages that the composition comprises the two active ingredients of which mechanisms of action are totally different, thiamethoxam has systemic, stomach toxicity and contact activity, and cnidium lactone inhibits acetylcholin esterase of insects, influences nervous systems, allows the injurious insects to have nonfunctional muscle contraction and finally die due to exhaustion, is helpful for retarding resistance development of thiamethoxam, and prolongs the service life of an agent. Thiamethoxam and cnidium lactone are compounded to exert obvious synergistic action, after an effect is improved, the use amount and use frequency of the active ingredients are reduced, the use cost is lowered, and the pollution to an environment is reduced. The composition can extend an insecticidal spectrum.
Description
Technical field
The present invention relates to a kind of Pesticidal combination, especially a kind of Pesticidal combination and application thereof that contains Diacloden.
Background technology
Homoptera insect is all take water as food, and wherein numerous species can be propagated the viroses of plant, is important pest; Some kind can be secreted wax, glue, or forms insect gall, produces gall nut, is important industrial resources insect; Comprising cicada, froghopper, leafhopper, horned frog, plant hopper, plant hopper, wood louse, aleyrodid, aphid and coccid, is larger in an Insecta monoid, and metamorphosis is larger, the mouthpart pierce-suck type, and fore wing quality identical (corresponding with Semiptera) is therefore claim Homoptera.The song of cicada is melodized, and the form of plant hopper, horned frog is special, be people love view and admire insect.
Chemical control is the Main Means of plant protection always, and still, one of subject matter that for many years chemical control faces is the resistance problem of insect.Generation is many, breeding amount large, the pest resistance rate of climb of generation overlap is fast, and plant hopper, leafhopper, aleyrodid etc. are exactly such insect.For example, 2005, the brown planthopper in the many places of China to the Imidacloprid class produce high-level resistance (see " rice in China science ", 2008,22(4): 421-426).Diacloden and Imidacloprid are all nicotinic insecticide, have the resistance Upside Risk.Taking appropriate measures, it is significant to dissolve this risk.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of Pesticidal combination that contains Diacloden of obvious synergistic effect.Another object of the present invention provides the application of said composition in the crop pest control, can delay the development of pest resistance.
Technical scheme: in order to solve above-mentioned the first purpose, the technical solution adopted in the present invention is: a kind of Pesticidal combination that contains Diacloden, contain Diacloden and Osthole as active component.
As the improvement of active component among the present invention, the weight ratio of described Diacloden and Osthole is 50:1-1:50.
Further preferred as active component among the present invention, the weight ratio of described Diacloden and Osthole is 30:1～1:30.
Two kinds of active component gross weight percentage compositions are 1%～80% in the composition of the present invention, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
Above-mentioned two kinds of active components gross weight percentage composition in the composition pesticide preparation is preferably 1%～50%.
Among the present invention, Diacloden English name: Thiamethoxam, chemical name 3-(2-chloro-1,3-thiazole-5-ylmethyl)-the 5-methyl isophthalic acid, 3,5-oxadiazines-4-base fork (nitro) amine, Diacloden is the anabasine insecticide of being developed by Novartis Co.,Ltd in 1991, its mechanism of action is similar to Imidacloprid, not only have and tag, stomach toxicity, systemic activity, and has a higher activity, better safety, wider insecticidal spectrum and speed of action are fast, the characteristics such as the lasting period is long are to replace that those are high to mammalian toxicity, have residual and organic phosphor environmental problem, carbamate, the better kind of organochlorine insecticides.To coleoptera, diptera, Lepidoptera, especially homoptera pest has high activity, can effectively prevent and treat the insect that the insect such as various aphids, leafhopper, plant hopper, aleyrodid, chafer larva, colorado potato beetle, nematode, ground beetle, leaf miner and knot polytype chemical pesticide produce resistance.Both can be used for cauline leaf processing, seed treatment, also can be used for soil treatment.Suitable crop is rice class crop, beet, rape, potato, cotton, Kidney bean, fruit tree, peanut, sunflower, soybean, tobacco and citrus etc.Under recommended dose, use to crop safety, without poisoning.
Frutus cnidii English name: Osthole, the chemical name osthole extracts from the fruit of Umbelliferae annual herb plant cnidium monnieri Cnidium monnieric (L.) Cuss..Osthole also has important pesticide activity group---iso-amylene structure except the activity core structure phenyl ring with coumarin and pyrones ring, show as unique killing pests and suppressing bacteria active.Studies show that Osthole not only has effect to the insects such as cabbage caterpillar, diamond-back moth, aphid and noctuid pieces of an egg, and to plant pathogenic fungi such as powdery mildew of cucumber bacterium, Plasmopara viticola, Phytophthora capsici germ, fusarium graminearum etc. all have significant inhibitory action.The Osthole insecticidal mechanism shows as and suppresses the insect acetylcholinesterase, and the system that affects the nerves causes insect muscle non-functional to shrink, and finally dies of exhaustion.And noctuid pieces of an egg fine hair main composition is chitin, and Osthole is likely the fine hair on the dissolving noctuid pieces of an egg to the effect of noctuid pieces of an egg, reduces the adhesion of ovum grain, causes incubation rate to reduce.
Composition pesticide of the present invention can be prepared into known method any one formulation that is fit to agricultural use, and preferred dosage form is the upper acceptable wetting powder of agricultural, suspending agent, water dispersible granules.
The auxiliary element that uses in the composition of the present invention comprises that dispersant, wetting agent, stabilizing agent, antifreezing agent, thickener etc. reach other and be of value to the known substance that active component is stablized and drug effect is brought into play in preparation, all be various compositions commonly used in the pesticidal preparations or that permission is used, be not particularly limited, concrete composition and consumption require to determine by simple experiment according to prescription.
In order to solve above-mentioned the second purpose, the technical solution adopted in the present invention is: the above-mentioned application of Pesticidal combination in the control homoptera pest that contains Diacloden.
The above-mentioned preferably application in any insect in control plant hopper, leafhopper, aleyrodid, aphid of Pesticidal combination that contains Diacloden.Particularly be applicable to prevent and treat plant hopper and the leafhopper of hazard rice, endanger aleyrodid, aphid of multiple broad leaf crop etc.
Beneficial effect: compared with prior art, advantage of the present invention is:
1) be conducive to resistance management: the mechanism of action of two kinds of active ingredients is fully different in the composition, Diacloden has interior suction, stomach toxicity, contact toxicity to insect, and the Osthole insecticidal mechanism shows as inhibition insect acetylcholinesterase, system affects the nerves, cause insect muscle non-functional to shrink, finally die of exhaustion, help to delay the resistance development of Diacloden, prolong the service life of medicament.
2) behind two kinds of composite reagents obvious synergistic effect is arranged, after drug effect improved, the usage amount of active ingredient and medication number of times reduced, and have reduced drug cost, have reduced the pollution to environment.
3) enlarge insecticidal spectrum.Because the insecticidal spectrum of two kinds of active ingredients is variant, so mixing when sending out in the Various Diseases insect pest, composition can play the double effect of controlling of a medicine.
Embodiment
Describe beneficial effect of the present invention in detail below by the indoor biometrics application test.
By a large amount of screening tests, find that Diacloden and Osthole Combination application have significant synergistic function to Brown Planthopper, and be not only the simple addition of two kinds of medicaments, existing biologicall test embodiment with Diacloden and fructus cnidii complex awards explanation.
The synergistic effect experiment of Diacloden and fructus cnidii complex.The experiment test object is Brown Planthopper, and concrete grammar is as follows:
(1) experimental pharmacy:
The former medicine of 97% Diacloden (mass content that Syngenta Co.,Ltd produces is 97% Diacloden);
The former medicine of 50% Osthole (mass content that Kang Baotai Fine Chemical Co., Ltd in Hubei produces is 50% Osthole);
Former medicine is mixed with according to a conventional method the test medicine that needs.
(2) subjects: pick up from Yancheng, Jiangsu Province, the indoor feeding second generation.
(3) test method:
Test method is with reference to " the agricultural industry criteria NY/1154.11-2008 of the People's Republic of China (PRC) ".Adopt the rice stem to soak method: 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 15cm, one group of 3 strain, dry in the air to the surface without washmarking in the place in the cool place.The rice stem was soaked 30 seconds in the good medicament of dilution respectively, take out dry after, embrace root with the absorbent cotton that soaks and put into culture dish, draw 3 mid-term in age nymph put into culture dish, 20 every glass, establish that to soak clear water be blank, each concentration repeats 3 times.Process 27 ℃ of rearmounted temperature, photoperiod and be in the culture dish of 16h:8h (L:D) d and raise.Check death toll after 5 days.
(4) statistical analysis:
Carry out statistical analysis with the DPS data processing software, calculate the LC of each medicament
50And 95% confidence limit, estimate for the insecticidal activity of reagent to the examination worm with this.
The co-toxicity coefficient of mixture (CTC value) calculates by following formula:
In the formula:
ATI---mixture actual measurement toxicity index;
S---the LC of standard insecticide
50, unit is mg/L;
The LC of M---mixture
50, unit is mg/L;
TTI=TI
A×P
A+TI
B×P
B
In the formula:
The theoretical toxicity index of TTI---mixture;
TI
A---A medicament toxicity index;
P
A---the percentage composition of A medicament in mixture, %;
TI
B---B medicament toxicity index;
P
B---the percentage composition of B medicament in mixture, %;
In the formula:
CTC---co-toxicity coefficient;
ATI---mixture actual measurement toxicity index;
The theoretical toxicity index of TTI---mixture.
CTC≤80, the composition performance is antagonism; 80＜CTC＜120, the composition performance is summation action; CTC 〉=120, the composition performance is synergistic effect.
(5) interpretation of result:
Diacloden and fructus cnidii complex the results are shown in Table 1 to the toxicity test of brown plant-hopper.
Table 1 different disposal is to the toxicity test result of brown plant-hopper
Each proportioning of Diacloden and Osthole all shows synergistic effect, wherein Diacloden: Osthole=30:1,10:1,1:1,1:10 as shown in Table 1; The co-toxicity coefficient of 1:30 is larger, and all greater than 150, synergistic effect is obvious.
The present invention is described in further detail below in conjunction with specific embodiment.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.The ratio of below mentioning all is weight ratio, in the comparative efficacy test in contrast Diacloden, Osthole single dose be adopt the active ingredient former medicine identical with the embodiment of the invention routinely processing method prepare.
1, wetting powder embodiment
The compound method of embodiment 1～6 is: pesticide activity component Diacloden and Osthole, auxiliary agent, filler are mixed to mix behind air-flow crushing in proportion again making wetting powder.Capital equipment: mixer, airslide disintegrating mill.
Embodiment 1: prepare 51% Diacloden Osthole wetting powder
Active component is: 97% Diacloden 51.55g, 50% Osthole 2g;
Dispersant is: the 3g of wooden sodium sulfonate;
Wetting agent is: lauryl sodium sulfate 3g;
Filler is: diatomite 40.45g.
Embodiment 2: prepare 31% Diacloden Osthole wetting powder
Active component is: 97% Diacloden 30.93g, 50% Osthole 2g;
Dispersant is: the 3g of wooden sodium sulfonate;
Wetting agent is: lauryl sodium sulfate 3g;
Filler is: diatomite 61.07g.
Embodiment 3: prepare 11% Diacloden Osthole wetting powder
Active component is: 97% Diacloden 10.31g, 50% Osthole 2g;
Dispersant is: the 2g of wooden sodium sulfonate;
Wetting agent is: lauryl sodium sulfate 2g;
Filler is: diatomite 83.69g.
Embodiment 4: prepare 5.5% Diacloden Osthole wetting powder
Active component is: 97% Diacloden 0.52g, 50% Osthole 10g;
Dispersant is: the 2g of wooden sodium sulfonate;
Wetting agent is: lauryl sodium sulfate 1g;
Filler is: diatomite 86.48g.
Embodiment 5: prepare 15.5% Diacloden Osthole wetting powder
Active component is: 97% Diacloden 0.52g, 50% Osthole 30g;
Dispersant is: the 3g of wooden sodium sulfonate;
Wetting agent is: lauryl sodium sulfate 1.5g;
Filler is: diatomite 64.98g.
Embodiment 6: prepare 10.2% Diacloden Osthole wetting powder
Active component is: 97% Diacloden 0.21g, 50% Osthole 20g;
Dispersant is: the 3g of wooden sodium sulfonate;
Wetting agent is: lauryl sodium sulfate 1.5g;
Filler is: diatomite 75.29g.
See Table 2 with experimental example 1～6 built agent according to the control efficiency that following concentration spraying prevents and treats resistant rice plant hopper (resistance to Imidacloprid is 293 times).
The result of the test of table 2 embodiment 1～6 complex preparation control rice fulgorid
By as seen from Table 2, built agent to the rice fulgorid medicine after three days effects be better than Diacloden, Osthole single dose, illustrate that the quick-acting of built agent is better than single dose; 15 days built agent control efficiency significantly improve behind the medicine, and minimum preventive effect is 89.8%, have been up to 98.9%, and when particularly Diacloden and Osthole mass ratio were 30:1～1:30, preventive effect promoted particularly evident, and antagonism rice fulgorid preventive effect has reached more than 95%.
2, suspending agent embodiment
Compound method is: press formula rate, with pesticide activity component Diacloden with after Osthole, wetting agent, dispersant, thickener, antifreeze and part water mix, through high speed shear, the husky mill of wet method, make semi-finished product, moisturizing mixes filtration and namely obtains finished product after analyzing.
Embodiment 7: prepare 20% Diacloden Osthole suspending agent
In the test of Yancheng, Jiangsu Province field of vegetables, the present embodiment built agent by 15 g/has of dilution sprayings of active ingredient, is used for the control high resistance trialeurodes vaporariorum of tomato (the Imidacloprid resistance is reached more than 200 times).7 days the present embodiment products of drug effect control efficiency is 93.8%, 25% Diacloden water dispersible granules and 2% Osthole suspending agent use according to same method and dosage, 7 days preventive effects are respectively 86.2% and 60.8% behind the medicine, illustrate built agent to the preventive effect of high resistance trialeurodes vaporariorum apparently higher than single dose.
3, water-dispersible granules embodiment
The compound method of following embodiment 8 to embodiment 10 is: pesticide activity component Diacloden is mixed in proportion with Osthole, auxiliary agent, filler, through air-flow crushing, then add 15%～20% water, through the water dispersible granules product of kneading, granulation, drying, screening system.Capital equipment: mixer, airslide disintegrating mill, kneader, Squeezinggranulator, drying equipment (drying room or fluid bed)
Embodiment 8: prepare 1% Diacloden Osthole water dispersible granules
Embodiment 9: prepare 50% Diacloden Osthole water dispersible granules
Embodiment 10: prepare 80% Diacloden Osthole water dispersible granules
See Table 3 with experimental example 8～10 built agents according to the control efficiency that following concentration spraying prevents and treats resistant rice plant hopper (resistance to Imidacloprid is 293 times).
The result of the test of table 3 embodiment 8～10 complex preparations control rice fulgorid
By as seen from Table 3, built agent to the rice fulgorid medicine after three days effects be better than Diacloden, Osthole single dose, illustrate that the quick-acting of built agent is better than single dose; 15 days built agent control efficiency significantly improve behind the medicine, and minimum preventive effect is 93.9%, have been up to 97.2%, and when particularly Diacloden and Osthole mass ratio were 1:1～24:1, preventive effect promoted particularly evident, and antagonism rice fulgorid preventive effect has reached more than 95%.
Claims (9)
1. a Pesticidal combination that contains Diacloden is characterized in that, contains Diacloden and Osthole as active component.
2. the Pesticidal combination that contains Diacloden according to claim 1 is characterized in that, the weight ratio of described Diacloden and Osthole is 50:1-1:50.
3. the Pesticidal combination that contains Diacloden according to claim 2 is characterized in that, the weight ratio of described Diacloden and Osthole is 30:1～1:30.
4. each described Pesticidal combination that contains Diacloden is characterized in that according to claim 1-3, and two kinds of active component gross weight percentage compositions are 1%～80% in the described composition, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
5. the Pesticidal combination that contains Diacloden according to claim 4 is characterized in that, described two kinds of active components gross weight percentage composition in the composition pesticide preparation is 1%～50%.
6. the Pesticidal combination that contains Diacloden according to claim 1 is characterized in that, described combination dosage form is upper acceptable any one formulation of agricultural.
7. the Pesticidal combination that contains Diacloden according to claim 6 is characterized in that, described formulation is the upper acceptable wetting powder of agricultural, suspending agent, water dispersible granules.
8. the application of Pesticidal combination in the control homoptera pest that contains Diacloden claimed in claim 1.
9. the Pesticidal combination application in any insect in control plant hopper, leafhopper, aleyrodid, aphid that contains Diacloden claimed in claim 8.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103355322A (en) * | 2013-07-11 | 2013-10-23 | 山东省烟台市农业科学研究院 | Compound biological insecticide and application thereof |
| CN107743973A (en) * | 2017-10-17 | 2018-03-02 | 惠州市无龄康态健康科技有限公司 | A kind of composition pesticide containing Osthole |
| CN111642510A (en) * | 2020-07-03 | 2020-09-11 | 浙江中山化工集团股份有限公司 | Pesticide composition containing imidaclothizine and osthole |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148467A (en) * | 1996-08-01 | 1997-04-30 | 东莞市瑞德丰化工有限公司 | Phosphorus octasulfide and Avermectin insecticidal composition |
| WO2006008109A2 (en) * | 2004-07-20 | 2006-01-26 | Bayer Cropscience Ag | Insecticidal agents based on selected insecticides and safeners |
-
2013
- 2013-01-24 CN CN201310026988.4A patent/CN103070186B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148467A (en) * | 1996-08-01 | 1997-04-30 | 东莞市瑞德丰化工有限公司 | Phosphorus octasulfide and Avermectin insecticidal composition |
| WO2006008109A2 (en) * | 2004-07-20 | 2006-01-26 | Bayer Cropscience Ag | Insecticidal agents based on selected insecticides and safeners |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103355322A (en) * | 2013-07-11 | 2013-10-23 | 山东省烟台市农业科学研究院 | Compound biological insecticide and application thereof |
| CN107743973A (en) * | 2017-10-17 | 2018-03-02 | 惠州市无龄康态健康科技有限公司 | A kind of composition pesticide containing Osthole |
| CN111642510A (en) * | 2020-07-03 | 2020-09-11 | 浙江中山化工集团股份有限公司 | Pesticide composition containing imidaclothizine and osthole |
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