CN103348887A - Insecticide application in prevention and cure of thrips palmis - Google Patents
Insecticide application in prevention and cure of thrips palmis Download PDFInfo
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- CN103348887A CN103348887A CN2013102998605A CN201310299860A CN103348887A CN 103348887 A CN103348887 A CN 103348887A CN 2013102998605 A CN2013102998605 A CN 2013102998605A CN 201310299860 A CN201310299860 A CN 201310299860A CN 103348887 A CN103348887 A CN 103348887A
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- pymetrozine
- thrips
- insecticide
- palmis
- cure
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Abstract
The invention relates to the technical field of agricultural chemical insecticide, in particular to insecticide application in prevention and cure of thrips palmis. In order to solve the problem that in the prior art, the effect of the prevention and cure of the thrips palmis is not ideal, insecticide comprises the following components by mass ratio of spinosad: pymetrozine= 0.8:19.2, or spinosad: pymetrozine=0.4:19.6, or spinosad: pymetrozine=1.2:18.8. The insecticide containing the spinosad and the pymetrozine is efficient and has low toxicity, the effect of the field prevention and cure of the thrips palmis is 93.03%-96.50%, the insecticide application is simple in technology, high in yield and free of three wastes, and fed raw materials are converted into the product completely.
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 palm thrips.
Background technology
Palm thrips belongs to thrips, Thripidae, Thrips, is a kind of worldwide insect.This insect host range is wide, the various vegetables such as happiness food Solanaceae, Curcurbitaceae.Palm thrips can also be propagated the Various Diseases viral disease in persistent mode except host plant being caused the direct harm, causes heavy losses to crop production.The palm thrips 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 palm thrips effect in the above prior art, the invention provides the application of a kind of insecticide in the control palm thrips.This insecticides is good to the palm thrips control efficiency.
The present invention is achieved by the following measures:
The application of a kind of insecticide in the control palm thrips contains multiple killing teichomycin and pymetrozine in the described insecticides; The weight ratio of multiple killing teichomycin and pymetrozine is 0.8:19.2 or 0.4:19.6 or 1.2:18.8.
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, and when the proportioning of multiple killing teichomycin and pymetrozine was 10:1,7 days preventive effect the bests reached 95.8% behind the medicine, and when proportioning was 1:20,3 days preventive effects reached 91.7% behind the medicine.Multiple killing teichomycin and pymetrozine are composite by the weight ratio of designated ratio in the insecticide of the present invention, 24 hours co-toxicity coefficients to palm thrips are 256.10 ~ 228.76 behind the medicine, field control effect can be reached for 93.03%～96.50%, drug effect than above-mentioned publication improves a lot, and control efficiency is better.And above-mentioned publication specification 91-95 section does not disclose every mu of dosage.
Beneficial effect of the present invention:
Efficient, the low toxicity of insecticide that contains multiple killing teichomycin and pymetrozine is 93.03%～96.50% to the field control effect of palm thrips; Technique is simple, and 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 0.8
Pymetrozine 19.2
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 0.4
Pymetrozine 19.6
Dimethylbenzene 70.0
Emulsifier 10.0
Production technology is with embodiment 1.
Embodiment 3:
Multiple killing teichomycin 1.2
Pymetrozine 18.8
Dimethylbenzene 70.0
Emulsifier 10.0
Production technology is with embodiment 1.
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 0.8:19.2,0.4:19.6 and 1.2:18.8, co-toxicity coefficient (CTC) to palm thrips is respectively 256.10,240.58 and 228.76, has obvious synergistic effect.
Table 1 pleocidin pymetrozine is to the indoor associating Toxicological testing of palm thrips
| Reagent agent | Component ratio | y=a+bx | LC50(ppm) | TI | ATI | TTI | CTC |
| Pleocidin+pymetrozine | 0.8:19.2 | y=3.724+1.815x | 0.3636 | -- | 71.84 | 28.05 | 256.10 |
| Pleocidin+pymetrozine | 0.4:19.6 | y=2.592+1.571x | 0.4089 | -- | 63.88 | 26.55 | 240.58 |
| Pleocidin+pymetrozine | 1.2:18.8 | y=3.008+2.217x | 0.3864 | -- | 67.60 | 29.55 | 228.76 |
| Pleocidin | -- | y=2.829+1.993x | 0.2612 | 100.00 | -- | -- | -- |
| Pymetrozine | -- | y=2.361+2.984x | 1.0426 | 25.05 | -- | -- | -- |
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 embodiment 1 obtains and to use 40mL, every mu of the insecticides that embodiment 1 obtains is used 20mL, every mu of the insecticides that embodiment 2 obtains is used 40mL, every mu of the insecticides that embodiment 3 obtains is used 40mL, take 10% imidacloprid WP (Zhejiang Hisun Chemical Co., Ltd's product) 40g as standard control 1, the insecticide of making according to weight ratio 1:20 with pleocidin and pymetrozine is as standard control 2, active constituent content is 20%, every mu of consumption is 40mL, take the spray clear water as blank, totally 7 process, every processing repeats 4 times, totally 28 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 palm thrips 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 93.03%～96.50% behind the medicine, the effect that significantly is better than standard control 1, standard control 2, 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 palm thrips
Claims (5)
1. the application of insecticide in the control palm thrips is characterized in that containing in the described insecticides multiple killing teichomycin and pymetrozine; The weight ratio of multiple killing teichomycin and pymetrozine is 0.8:19.2 or 0.4:19.6 or 1.2:18.8.
2. application according to claim 1, the weight ratio that it is characterized in that multiple killing teichomycin and pymetrozine is 1:19.
3. each described application according to claim 1-3 is characterized in that also containing in the described insecticides emulsifier and organic solvent.
4. application according to claim 4 is characterized in that multiple killing teichomycin and pymetrozine account for 20% of gross mass in the described insecticides.
5. 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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| CN2013102998605A CN103348887A (en) | 2013-07-17 | 2013-07-17 | Insecticide application in prevention and cure of thrips palmis |
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| Application Number | Priority Date | Filing Date | Title |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010046463A1 (en) * | 2008-10-23 | 2010-04-29 | Basf Se | Use of selected insecticides on cultivated plants |
| 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 |
| CN102349502A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultralow-volume solvent containing pleocidin or spinetoram |
| CN102349504A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Flonicamid-containing ultralow volume liquid agent |
-
2013
- 2013-07-17 CN CN2013102998605A patent/CN103348887A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010046463A1 (en) * | 2008-10-23 | 2010-04-29 | Basf Se | Use of selected insecticides on cultivated plants |
| 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 |
| CN102349502A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Ultralow-volume solvent containing pleocidin or spinetoram |
| CN102349504A (en) * | 2011-09-13 | 2012-02-15 | 广西田园生化股份有限公司 | Flonicamid-containing ultralow volume liquid agent |
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Application publication date: 20131016 |