CN103355311A - Applications of pesticide in preventing and treating frankliniella occidentalis - Google Patents
Applications of pesticide in preventing and treating frankliniella occidentalis Download PDFInfo
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- CN103355311A CN103355311A CN2013102995999A CN201310299599A CN103355311A CN 103355311 A CN103355311 A CN 103355311A CN 2013102995999 A CN2013102995999 A CN 2013102995999A CN 201310299599 A CN201310299599 A CN 201310299599A CN 103355311 A CN103355311 A CN 103355311A
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Abstract
The invention relates to the technical field of pesticides, in particular relates to applications of a pesticide in preventing and treating frankliniella occidentalis, in order to solve the problem that in the prior art, the effect for preventing and treating frankliniella occidentalis is not ideal, and the invention also provides applications of the pesticide in preventing and treating frankliniella occidentalis. The pesticide composition internally comprises spinosad and pymetrozine. The pesticide comprising spinosad and pymetrozine is efficient and is low in toxicity, is simple in the technology of frankliniella occidentalis, converts all input raw materials into products, is high in yield, and has no three wastes (industrial waste water, waste gas and waste residues).
Description
Technical field
The present invention relates to the agricultural chemical insecticide technical field, the particularly application of a kind of insecticide in the control Frankliniella occidentalis.
Background technology
Frankliniella occidentalis belongs to thrips, Thripidae, is dangerous Alien Invasive Species.This insect can endanger more than 60 section's 500 various plants, also propagates simultaneously the Various Diseases viral disease, has a strong impact on crop yield and quality.Be found first in Beijing in 2003, its potential suitable ecumene is distributed in 28 provinces, autonomous regions and municipalities in the whole nation, now in Yunnan Province, the ground such as Zhejiang, Shandong are found and in some areas outburst cause disaster.The Frankliniella occidentalis individuality is little, has invisiblely, and along with drug-fast enhancing, general chemical agent is difficult to it is is effectively prevented and treated.Produce at present the upper medicament that is used for this insect of control and be generally Imidacloprid, beta-cypermethrin, decis and other compound drug, but control efficiency is undesirable.
Multiple killing teichomycin is microbial metabolic products, have stomach toxicity and action of contace poison, its insecticidal mechanism is to make the depolarising of insect nerve cell by the activating nicoting receptor, cause widely superactivation or the nerve cell superactivation is killed off the insect pests by suppressing gamma-aminobutyric acid receptor of central nervous system, can effectively prevent and treat the various vegetables insect.This medicament is efficient, nontoxic, but when using single dose, insect easily develops immunity to drugs.
Pymetrozine belongs to the pyridine heterocycle insecticides, has to tag and systemic action, and insect touches this medicament and produces immediately the lancet blocking effect and stop to take food, and final hungry causing death, and this process is irreversible.This medicament can effectively be prevented and treated the vegetables various pests.This medicament is efficient, low toxicity is malicious, but when using single dose, insect easily develops immunity to drugs.
Summary of the invention
In order to solve the undesirable problem of control Frankliniella occidentalis effect in the above prior art, the invention provides the application of a kind of insecticide in the control Frankliniella occidentalis.This insecticides is good to the Frankliniella occidentalis control efficiency.
The present invention is achieved by the following measures:
The application of a kind of insecticide in the control Frankliniella occidentalis contains multiple killing teichomycin and pymetrozine in the described insecticides.
Described application, the weight ratio of multiple killing teichomycin and pymetrozine are 0.5 ~ 1.5:18.5 ~ 19.5.
Described application, the weight ratio of multiple killing teichomycin and pymetrozine are 1:19.
Described application also contains emulsifier and organic solvent in the described insecticides.
Described application, multiple killing teichomycin and pymetrozine account for 20% of gross mass in the described insecticides.
Described application, described organic solvent are dimethylbenzene.
CN101708000A discloses a kind of Pesticidal combination that contains multiple killing teichomycin and pymetrozine, can be used for preventing thrips, Homoptera, diptera, lepidoptera pest etc.Specification 91-95 section discloses the control efficiency of Pesticidal combination to the melon thrips.Frankliniella occidentalis and melon thrips belong to two different kinds of Thripidae, and the melon thrips namely occurs in China from 20 century 70s, correlative study is substantially clear and definite susceptibility present situation and the anti-control techniques of this insect to medicament commonly used; And Frankliniella occidentalis is a kind of Alien Invasive Species, control medicament for thrips, external and domestic at types of medicines for a long time, practical technique, there is larger difference the aspects such as insecticide sensitivity improvement, add that the Frankliniella occidentalis host range is wider, it is shorter to invade the domestic time, therefore may there be very big-difference in the insecticide sensitivity of current China Frankliniella occidentalis and melon thrips, namely the melon thrips there is the medicament combination of better control effect, may be relatively poor for the Frankliniella occidentalis effect, medicament combination for the control melon thrips of former screening not necessarily has preferably control efficiency to Frankliniella occidentalis.Therefore the research screening has the medicament combination of better control efficiency to Frankliniella occidentalis, is significant for the harm of effective this insect of control.
This research multiple killing teichomycin and pymetrozine are composite by the designated ratio weight ratio, and 24 hours co-toxicity coefficients to Frankliniella occidentalis are 264.27 ~ 234.67 behind the medicine, and field control effect is 92.56%～95.34%.
Beneficial effect of the present invention:
The insecticide that contains multiple killing teichomycin and pymetrozine is efficient, low toxicity, and simple to the technique of Frankliniella occidentalis, the raw material of input all is converted into product, and yield is high, without the three wastes.
Embodiment
For a better understanding of the present invention, further specify below in conjunction with specific embodiment.
Embodiment 1:
Multiple killing teichomycin 1.0
Pymetrozine 19.0
Dimethylbenzene 70.0
Emulsifier 10.0
Production technology: under stirring condition, multiple killing teichomycin with xylene soluble is arranged, is then added pymetrozine, emulsifier, organic solvent dimethylbenzene in proportion, after fully stirring, leave standstill, pack on request after being up to the standards and be product.
Embodiment 2:
Multiple killing teichomycin 0.5
Pymetrozine 19.5
Dimethylbenzene 70.0
Emulsifier 10.0
Production technology is with embodiment 1.
Embodiment 3:
Multiple killing teichomycin 1.5
Pymetrozine 18.5
Dimethylbenzene 70.0
Emulsifier 10.0
Production technology is with embodiment 1.
Employed emulsifier is emulsifier 0201B or Nongru-700 in above-described embodiment
#Deng the usual emulsifier that is used for agricultural chemicals.
Indoor associating Toxicological testing:
Adopt leaf dipping method.Reagent agent is the former medicine of 99% pleocidin (the emerging people's chemical products in Zhengzhou Co., Ltd), the former medicine of 98% pymetrozine (the wide phthalein chemurgy in Nanning Co., Ltd product) and two kinds of compounds that former medicine forms in proportion.Reagent agent is become 5 ~ 7 series concentration with acetone by the 1:2 dilution proportion on fundamentals of forecasting, select fresh smooth dish green pepper leaf cleaning to dry, in liquid, soak 10s by concentration order from low to high, after the blade liquid dries, face up and sandwich Munger Cell glass plate (filter paper that 1 diameter in blade lower berth is 9cm drips an amount of distilled water to keep humidity at filter paper).Get 20 ~ 24 female adults of palm thrips with pest sucking device, with moving into behind CO2 gas anesthesia 5 s on the Munger Cell glass plate circular space dish green pepper blade, fix with another glass plate sealing and with iron clamp rapidly.Dead borer population (can not normally creep as death standard take palm thrips) in the every Munger Cell of the observed and recorded glass plate under anatomical lens, it is faced up, and to place temperature be 25 ± 1 ℃, the illumination box of relative moisture 70%, illumination 16:8, every processing repeats 4 times, processes with clear water and does blank.Observe the palm thrips death toll behind 48 h, calculate and respectively process LC50 and co-toxicity coefficient (CTC).
Co-toxicity coefficient (CTC) adopts the abundant method of Sun Yun to calculate:
Co-toxicity coefficient (CTC)=[the actual toxicity index of mixture (ATI) the actual toxicity index of ÷ mixture (TTI)] * 100
The actual toxicity index of mixture (ATI)=(LC50 of the LC50 ÷ mixture of standard medicament) * 100
The content of B in the toxicity index (TI) of the content of A+B component * mixture active ingredient in the toxicity index (TI) of the actual toxicity index of mixture (TTI)=A component * mixture active ingredient
Toxicity index (TI)=(LC50 of the LC50 ÷ reagent agent of standard medicament) * 100
Indoor joint toxicity measuring result (table 1) shows, pleocidin and Pyraphione compound, when pleocidin and pymetrozine weight ratio are respectively 1.0:19.0,0.5:19.5 and 1.5:18.5, co-toxicity coefficient (CTC) to Frankliniella occidentalis is respectively 264.27,251.90 and 234.67, has obvious synergistic effect.
Table 1 pleocidin pymetrozine is to the indoor associating Toxicological testing of Frankliniella occidentalis
| Reagent agent | Component ratio | y=a+bx | LC50(ppm) | TI | ATI | TTI | CTC |
| Pleocidin+pymetrozine | 1.0:19.0 | y=3.327+1.995x | 0.3988 | -- | 74.92 | 28.35 | 264.27 |
| Pleocidin+pymetrozine | 0.5:19.5 | y=2.811+1.406x | 0.4482 | -- | 66.67 | 26.47 | 251.90 |
| Pleocidin+pymetrozine | 1.5:18.5 | y=3.339+1.556x | 0.4211 | -- | 70.96 | 30.24 | 234.67 |
| Pleocidin | -- | y=2.654+2.102x | 0.2988 | 100.00 | -- | -- | -- |
| Pymetrozine | -- | y=2.257+3.221x | 1.2156 | 24.58 | -- | -- | -- |
Field control effectiveness test:
Test dish green pepper in Jade Emperor mausoleum, Shanghe County, Jinan City, Shandong Province subdistrict office Xi Zhen village greenhouse by solar heat carries out, and is ' Hong Luodan ' for examination dish green pepper kind.Test is processed and to be respectively every mu of insecticides that every mu of insecticides that every mu of insecticides that every mu of insecticides that embodiment 1 obtains obtains with 40mL, embodiment 1 obtains with 20mL, embodiment 2 obtains with 40mL, embodiment 3 and to use 40mL, take 10% imidacloprid WP (Zhejiang Hisun Chemical Co., Ltd's product) 40g as standard control, take the spray clear water as blank, totally 6 process, every processing repeats 4 times, totally 24 residential quarters, every residential quarter area 40m
2Mays 15 in 2012, the spray medicine was 1 time, and medical instruments are the sharp agricultural sprayer of backpack Singapore.Water consumption is 70kg/667m
2Investigation insect population radix before the medicine is behind the medicine 1,3,7d investigates remaining borer population alive.Investigation method: 5 samplings in every residential quarter, fix 4 strain dish greens pepper at every, choose at random 5 flowers on every strain dish green pepper, each investigation all in the morning 6:00 ~ 7:30 carry out the Frankliniella occidentalis recorded thereon borer population of living.Calculate insect population decline rate and corrigendum preventive effect.
Result of the test (table 2) shows, embodiment 1 insecticide EC mu all has preferably control efficiency with 40mL to Frankliniella occidentalis with 3 mu of 40mL, embodiment with 2 mu of 40mL, 20mL, embodiment, 1 ~ 7 day preventive effect is 92.56%～95.34% behind the medicine, significantly be better than contrasting the effect that medicament 10% imidacloprid WP mu is used 40g, wherein every mu of insecticides 40mL preventive effect effect of using embodiment 1 to obtain is best.
Table 2 pleocidin pymetrozine is to the field control effect of Frankliniella occidentalis
Claims (6)
1. the application of insecticide in the control Frankliniella occidentalis is characterized in that containing in the described insecticides multiple killing teichomycin and pymetrozine.
2. application according to claim 1, the weight ratio that it is characterized in that multiple killing teichomycin and pymetrozine is 0.5 ~ 1.5:18.5 ~ 19.5.
3. application according to claim 1, the weight ratio that it is characterized in that multiple killing teichomycin and pymetrozine is 1:19.
4. each described application according to claim 1-3 is characterized in that also containing in the described insecticides emulsifier and organic solvent.
5. application according to claim 4 is characterized in that multiple killing teichomycin and pymetrozine account for 20% of gross mass in the described insecticides.
6. application according to claim 4 is characterized in that described organic solvent is dimethylbenzene.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102995999A CN103355311A (en) | 2013-07-17 | 2013-07-17 | Applications of pesticide in preventing and treating frankliniella occidentalis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389870A (en) * | 2017-08-10 | 2017-11-24 | 云南农业大学 | It is a kind of that stomach toxicity and toxicity test device and method of tagging are carried out to Frankliniella occidentalis |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708000A (en) * | 2009-12-23 | 2010-05-19 | 深圳诺普信农化股份有限公司 | Disinsection composition containing spinosad and application thereof |
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2013
- 2013-07-17 CN CN2013102995999A patent/CN103355311A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708000A (en) * | 2009-12-23 | 2010-05-19 | 深圳诺普信农化股份有限公司 | Disinsection composition containing spinosad and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张安盛等: "几种杀虫剂对西花蓟马的室内毒力", 《华东昆虫学报》, vol. 16, no. 3, 31 December 2007 (2007-12-31), pages 232 - 234 * |
| 陈雪林等: "阿维菌素与三种杀虫剂对西花蓟马的联合毒力", 《植物保护》, vol. 37, no. 5, 31 December 2011 (2011-12-31), pages 206 - 209 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389870A (en) * | 2017-08-10 | 2017-11-24 | 云南农业大学 | It is a kind of that stomach toxicity and toxicity test device and method of tagging are carried out to Frankliniella occidentalis |
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