CN103875703B - A kind of agricultural chemicals paste preventing and treating longicorn - Google Patents
A kind of agricultural chemicals paste preventing and treating longicorn Download PDFInfo
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- CN103875703B CN103875703B CN201410117869.4A CN201410117869A CN103875703B CN 103875703 B CN103875703 B CN 103875703B CN 201410117869 A CN201410117869 A CN 201410117869A CN 103875703 B CN103875703 B CN 103875703B
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Abstract
The invention discloses a kind of agricultural chemicals paste preventing and treating longicorn.The parts by weight of each component of this agricultural chemicals paste are: Imidacloprid 1-20 part, dichlorvos 10-40 part, auxiliary agent 3-10 part, thickener 0.5-5 part, water 5-20 part, filler complement to 100 parts.This agricultural chemicals paste to be injected to by this agricultural chemicals paste inside the duct of longicorn harm by silica gel gun, relies on contact, the interior absorption of Imidacloprid and the stifling property of dichlorvos to eliminate longicorn inside duct.Agricultural chemicals paste of the present invention is the effective agent of control forestry pest longicorn, all has good control efficiency, especially have special efficacy to mulberry longicorn to longicorn beetle, anoplophora glabripennis, mulberry longicorn and batocera horsfieldi.Agricultural chemicals paste of the present invention synergistic effect is remarkable, has contact toxicity and fumigation activity concurrently, does not add organic solvent, reduce the pollution to environment, is worth promotion and application in control forestry pest longicorn.
Description
Technical field
The invention belongs to Pesticide formulation field, specifically relate to a kind of agricultural chemicals paste preventing and treating longicorn.
Background technology
Longicorn is the general name of coleoptera Chrysomeloidea Cerambycidae, and it becomes polypide to be oval tubular, and back is slightly flat; Feeler raw in feeler base knurl, has function feeler freely being rotated and is covered in polypide back backward.Its larva moves in timber, works the mischief to forest.Roundheaded borer is survived the winter in the trunk of killed trees, came into play after March in next year moth food, most larva cuts a hole growth 4cm in tree, the pupa room of wide 2-3cm and the circular emergence hole of straight-through epidermis, start to pupate when temperature liter reaches more than 15 DEG C, complete May and pupate, its, various places were different in size in pupa time, general 20-30 days, then turns into adult.Female male imago all one's life can mating repeatedly.General in fine day mating, female worm custom is laid eggs on the master, side shoot of trunk bottom, and late June to early July is egg production peak time.
Longicorn is plant-feed insect, and the most of woody plant of normal harm, as plane tree, maple, paper mulberry, pine tree, willow, cypress, willow, elm, mandarin tree, apple tree, oriental cherry, Malus spectabilis, peach etc., also endangers some herbaceous plant.
Longicorn is the most serious with larva period to causing harm of plant, although adult is owing to laying eggs, taking food branches and leaves, also can cause infringement more or less, general and not serious.Trees inside is eaten by the moth of larva, usually hinders their normal growth, slackens the growing way of trees, shortens the trees life-span, reduces timber yield, even can cause the withered and dead of whole trees.In addition, some are caused the intrusion of germ and insect by the trees Chang Yi eating into food, are very easily rolled over by large wind.Therefore, a lot of trees are had to lose economic worth because of causing harm of longicorn every year.
At present, the method for preventing and treating forestry pest longicorn mainly contains spray-on process, trunk injection, trapping method, catch and kill adult method, ovicidal method and hook kills larva method.But these methods have certain limitation substantially, desirable control efficiency can not be reached, such as spray-on process, spray organic phosphates, carbamates and pyrethroid insecticides in longicorn emergence peak period and all have certain effect to longicorn, but because the emergence period of longicorn is very irregular, can not interiorly at one time sprout wings, therefore, spray-on process effect is unsatisfactory.Trunk injection, sometimes can cause certain injury to trees, and generally add volatile organic solvent in medicament, and after solvent volatilization, medicament just freely can not conduct in trees body.Other several method is also all not fully up to expectations.
Inventor is studied by the long-term pests occurrence rule to forestry pest longicorn and prevention and controls, farm chemical ingredients is found to do paste making agent, inside duct after using silica gel gun agricultural chemicals paste to be injected longicorn harm, then around duct agricultural chemicals paste is sealed, the method is used for preventing and treating longicorn excellent, is worth further genralrlization and application in longicorn control in forestry, gardens.
Summary of the invention
The object of this invention is to provide a kind of agricultural chemicals paste preventing and treating longicorn, this agricultural chemicals paste synergistic effect is remarkable, have concurrently tag, systemic activity and fumigation activity, do not add organic solvent, reduce the pollution to environment, easy to use, highly promotion and application in control forestry pest longicorn.
The present invention is achieved through the following technical solutions:
Prevent and treat an agricultural chemicals paste for longicorn, it is characterized in that: the parts by weight of each component of described agricultural chemicals paste are: Imidacloprid 1-20 part, dichlorvos 10-40 part, auxiliary agent 3-10 part, thickener 0.5-5 part, water 5-20 part, filler complement to 100 parts.
In described agricultural chemicals paste, the ratio of weight and number of Imidacloprid and dichlorvos is 2: 1-1: 32.
As preferably, in described agricultural chemicals paste, the ratio of weight and number of Imidacloprid and dichlorvos is 1: 16.
One or more in described auxiliary agent castor oil polyoxyethylene ether, polyoxyethylene nonylphenol ether, styryl phenyl polyoxyethylene poly-oxygen propylene aether, aliphatic alcohol polyethenoxy polyoxypropylene graft copolymer, tristyrylphenyl APEO, calcium dodecyl benzene sulfonate, sodium lignin sulfonate, lauryl sodium sulfate, thermally coupled distillation columns and aliphatic alcohol polyoxyvinethene phosphate ammonium salt.
Described thickener is one or more in xanthans, gum Arabic, Magnesiumaluminumsilicate and polyvinyl alcohol.
Described filler is one or more in diatomite, attapulgite, bentonite, kaolin, potter's clay, precipitated calcium carbonate, lignin, corn starch and white carbon.
Agricultural chemicals paste of the present invention can effectively prevent and treat longicorn beetle, anoplophora glabripennis, mulberry longicorn or batocera horsfieldi, especially has special efficacy to mulberry longicorn.
The present invention possesses following beneficial effect:
1, in this agricultural chemicals paste, Imidacloprid and atgard mixed combination have notable synergistic effect, improve the control efficiency to longicorn, reduce cost accounting.
2, the processing of this agricultural chemicals paste is simple, is applicable to large-scale production and popularization, and does not add volatile organic solvent, to trees and environment safer.
3, this agricultural chemicals paste is injected inside longicorn duct by silica gel gun, and the pesticide imidacloprid of existing action of contace poison can kill the longicorn inside duct; There is again the dichlorvos of tool fumigation action, then will the longicorn of the inside after potential close, can also be made fatal.
Embodiment
By following embodiment, the present invention is further illustrated in the present invention.
One, indoor biometrics embodiment
Embodiment 1: indoor Imidacloprid and atgard mixed combination are tested the toxicity test of longicorn beetle
Assay method: respectively Imidacloprid and the former medicine of dichlorvos are mixed with 100,50,25,12.5 and 6.25 μ g/mL, five concentration with acetone.From low concentration to high concentration, draw the agricultural chemicals prepared with microsyringe, drip in the pronotary of longicorn beetle 3 instar larvae, between different agents, scrub microsyringe with acetone, every drips 1 μ L, every concentration 30, arranges 5% acetone soln simultaneously and compares process, observe dead larvae number after 24h.
Result of the test: with the logarithm value of drug concentration for independent variable X, be dependent variable Y the probability value of the average cumulative lethality after 24h, obtain the virulence regression equation of two kinds of medicines with DPS software, obtain the LC50 value of two kinds of medicines, virulence regression equation and co-toxicity coefficient.Then obtain co-toxicity coefficient and the nitrate enhancement of different compounded combination medicament by the abundant method of Sun Yun, computing formula is as follows:
Actual measurement toxicity index (ATI)=(standard agent LC50/ reagent agent LC50) × 100.
In theoretical toxicity index (TTI)=A medicament toxicity index × mixture A percentage composition+B medicament toxicity index × mixture in the percentage composition of B.
Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
According to the NY/T1154.13-2008 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80< co-toxicity coefficient (CTC) <120 shows as summation action.
Table 1 Imidacloprid compounded combination different from dichlorvos is to the indoor joint toxicity measuring of longicorn beetle
Embodiment 2: indoor Imidacloprid and atgard mixed combination are tested the toxicity test of mulberry longicorn
Assay method: respectively Imidacloprid and the former medicine of dichlorvos are mixed with 100,50,25,12.5 and 6.25 μ g/mL, five concentration with acetone.From low concentration to high concentration, draw the agricultural chemicals prepared with microsyringe, drip in the pronotary of mulberry longicorn 3 instar larvae, between different agents, scrub microsyringe with acetone, every drips 1 μ L, every concentration 30, arranges 5% acetone soln simultaneously and compares process, observe dead larvae number after 24h.
Result of the test: with the logarithm value of drug concentration for independent variable X, be dependent variable Y the probability value of the average cumulative lethality after 24h, obtain the virulence regression equation of two kinds of medicines with DPS software, obtain the LC50 value of two kinds of medicines, virulence regression equation and co-toxicity coefficient.Then obtain co-toxicity coefficient and the nitrate enhancement of different compounded combination medicament by the abundant method of Sun Yun, computing formula is with embodiment 1.
According to the NY/T1154.13-2008 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80< co-toxicity coefficient (CTC) <120 shows as summation action.
Table 2 Imidacloprid compounded combination different from dichlorvos is to the indoor joint toxicity measuring of mulberry longicorn
Embodiment 3: indoor Imidacloprid and atgard mixed combination are tested the toxicity test of batocera horsfieldi
Assay method: respectively Imidacloprid and the former medicine of dichlorvos are mixed with 100,50,25,12.5 and 6.25 μ g/mL, five concentration with acetone.From low concentration to high concentration, draw the agricultural chemicals prepared with microsyringe, drip in the pronotary of batocera horsfieldi 3 instar larvae, between different agents, scrub microsyringe with acetone, every drips 1 μ L, every concentration 30, arranges 5% acetone soln simultaneously and compares process, observe dead larvae number after 24h.
Result of the test: with the logarithm value of drug concentration for independent variable X, be dependent variable Y the probability value of the average cumulative lethality after 24h, obtain the virulence regression equation of two kinds of medicines with DPS software, obtain the LC50 value of two kinds of medicines, virulence regression equation and co-toxicity coefficient.Then obtain co-toxicity coefficient and the nitrate enhancement of different compounded combination medicament by the abundant method of Sun Yun, computing formula is with embodiment 1.
According to the NY/T1154.13-2008 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80< co-toxicity coefficient (CTC) <120 shows as summation action.
Table 3 Imidacloprid compounded combination different from dichlorvos is to the indoor joint toxicity measuring of batocera horsfieldi
Toxicity Determination result shows: in this complex composition, the weight ratio of Imidacloprid and dichlorvos is in 2: 1 ~ 1: 32 scopes, co-toxicity coefficient is all greater than 120, and namely said composition all shows as synergistic effect to longicorn beetle, mulberry longicorn and batocera horsfieldi 3 kinds of roundheaded borers; Especially the weight ratio of Imidacloprid and dichlorvos is 1: 16 time, and synergistic effect is the strongest.
Two, embodiment is prepared
Embodiment 4: 11% Imidacloprid dichlorvos paste
Embodiment 5: 23% Imidacloprid dichlorvos paste
Embodiment 6: 45% Imidacloprid dichlorvos paste
Embodiment 7: 37% Imidacloprid dichlorvos paste
The preparation method of paste: active ingredient, water, auxiliary agent, thickener and filler are weighed up to add have in the reaction vessel of magnetic stirring apparatus according to formula given amount, stirs 30-60min under normal temperature, be after uniform paste until material, can tank be distributed into.
Three, field efficacy embodiment
Embodiment 8: field control effectiveness test measures
Test site: Chen Shan botanical garden, Shanghai Songjiang district, in this garden, paper mulberry mulberry longicorn occurs comparatively serious.
Test period: dispenser on April 10, April 17 and investigation result on April 24.
Weather condition: duration of test is fine day, temperature 18-25 DEG C, humidity is 51-75%.
Contrast medicament: contrast 1 is 20% Imidacloprid soluble concentrate (adopting injection during test), contrast 2 is 20% DDT EC (adopting spray-on process during test).
Test method: by the agricultural chemicals paste prepared by embodiment 4, embodiment 5, embodiment 6 and embodiment 7 with silica gel gun inject longicorn harm after duct inside, then with paste by surrounding potential close.With 14 days " Invest, Then Investigate " lethality and control efficiency after distinguishing 7 days.
Several pharmacodynamic results containing the agricultural chemicals paste field control mulberry longicorn of Imidacloprid and dichlorvos of table 4
As can be seen from Table 4, contrast medicament 1 and contrast medicament 2 pairs of mulberry longicorns all do not have good effect, and agricultural chemicals paste of the present invention after 7 days to the preventive effect of mulberry longicorn more than 80%, illustrate that agricultural chemicals paste of the present invention all has good control efficiency to mulberry longicorn; Agricultural chemicals paste of the present invention after 14 days to the preventive effect of mulberry longicorn also more than 80%, show that the lasting effect of this agricultural chemicals paste is also better.
The foregoing is only preferred embodiment of the present invention, and be not used to the scope limiting substantial technological content of the present invention, substantial technological content of the present invention is broadly defined in the right of application, any technology that other people complete or method, if with the right of the application define identical, or the replacement of just a kind of equivalence, is all regarded as being covered by among this right.
Claims (2)
1. prevent and treat an agricultural chemicals paste for longicorn, it is characterized in that: the parts by weight of each component of described agricultural chemicals paste are: Imidacloprid 3 parts, 20 parts, dichlorvos, calcium dodecyl benzene sulfonate 5 parts, xanthans 3 parts, 6 parts, water, bentonite complement to 100 parts.
2. a purposes for agricultural chemicals paste control longicorn as claimed in claim 1, is characterized in that: described longicorn is any one in longicorn beetle, anoplophora glabripennis, mulberry longicorn and batocera horsfieldi.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107155735A (en) * | 2017-05-18 | 2017-09-15 | 何振贤 | A kind of trees longicorn biological control method |
| CN107439276A (en) * | 2017-08-14 | 2017-12-08 | 湖北瑞晟生物有限责任公司 | A kind of prevention and controls of rose longicorn |
| CN115997783A (en) * | 2022-12-31 | 2023-04-25 | 中国林业科学研究院木材工业研究所 | Solid medicament for killing wood bees and preparation and use methods thereof |
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| CN1539282A (en) * | 2003-10-29 | 2004-10-27 | 汪建沃 | Composite low toxicity Herbicide in high efficiency |
| CN1729777A (en) * | 2005-08-11 | 2006-02-08 | 西北农林科技大学无公害农药研究服务中心 | Imidacloprid-containing liquid formulation for trunk injection of trees |
| CN102246808A (en) * | 2011-07-22 | 2011-11-23 | 天津市绿亨化工有限公司 | Imidacloprid and dichlorvos compound preparation |
| CN103168796A (en) * | 2013-03-25 | 2013-06-26 | 扬州大学 | Ointment for preventing and treating insect pest longicorn of poplar |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1539282A (en) * | 2003-10-29 | 2004-10-27 | 汪建沃 | Composite low toxicity Herbicide in high efficiency |
| CN1729777A (en) * | 2005-08-11 | 2006-02-08 | 西北农林科技大学无公害农药研究服务中心 | Imidacloprid-containing liquid formulation for trunk injection of trees |
| CN102246808A (en) * | 2011-07-22 | 2011-11-23 | 天津市绿亨化工有限公司 | Imidacloprid and dichlorvos compound preparation |
| CN103168796A (en) * | 2013-03-25 | 2013-06-26 | 扬州大学 | Ointment for preventing and treating insect pest longicorn of poplar |
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Inventor after: Yan Wei Inventor after: Zhang Yiqiao Inventor after: Wei Liyuan Inventor after: Zhao Wenfang Inventor after: Yu Liangang Inventor after: Li Fuqi Inventor after: Ma Yang Inventor after: Tang Zhouhong Inventor after: Li Jun Inventor after: Xu Lina Inventor after: Han Jiayin Inventor after: Chen Dongxu Inventor after: Ma Jun Inventor after: Zhu Chungang Inventor after: Liu Ying Inventor after: Zhou Jianxun Inventor after: Zhu Jin Inventor after: Qi Yufeng Inventor after: Wang Ying Inventor after: Wang Weizhen Inventor before: Chen Dongxu Inventor before: Zhao Lina Inventor before: Han Jiayin Inventor before: Zhao Wenfang Inventor before: Qi Yufeng Inventor before: Yu Liangang Inventor before: Ma Jun Inventor before: Li Fuqi Inventor before: Ma Yang Inventor before: Zhu Chungang Inventor before: Liu Ying Inventor before: Zhou Jianxun Inventor before: Zhu Jin Inventor before: Wang Weizhen Inventor before: Zhang Yiqiao Inventor before: Wei Liyuan Inventor before: Li Jun |
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