CN102771504A - Compound pesticide for controlling apolygus lucorum and preparation method of compound pesticide - Google Patents
Compound pesticide for controlling apolygus lucorum and preparation method of compound pesticide Download PDFInfo
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- CN102771504A CN102771504A CN2012102873770A CN201210287377A CN102771504A CN 102771504 A CN102771504 A CN 102771504A CN 2012102873770 A CN2012102873770 A CN 2012102873770A CN 201210287377 A CN201210287377 A CN 201210287377A CN 102771504 A CN102771504 A CN 102771504A
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- phoxim
- green plant
- plant bug
- malathion
- recompounded pesticide
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Abstract
The invention belongs to the technical field of compound pesticides, and in particular relates to a compound pesticide for controlling apolygus lucorum and a preparation method of the compound pesticide. According to the preparation method, phoxim and malathion are taken as active ingredients to prepare the compound pesticide, the advantages of the phoxim and the malathion are complemented with each other, not only are the characteristics of good control effect and strong knockdown capacity of the phoxim brought into play, but also the defects of quick photodecomposition and short duration of the phoxim are overcome, the pesticide effect is obviously improved, and the synergistic effect is obvious; and the compound pesticide has an obvious effect on controlling the apolygus lucorum, and the use cost is lowered.
Description
Technical field
The invention belongs to technical field of compounded pesticide, be specifically related to a kind of Recompounded pesticide of preventing and treating green plant bug and preparation method thereof.
Background technology
Green plant bug, formal name used at school Apolygus lucorum (Meyer-D ü r) belongs to Semiptera; Miridae, the beautiful fleahopper in back belongs to, and is distributed widely in each cotton region, the whole nation; It is the less important insect of China's agricultural production always; In recent years, along with agricultural structure adjustment, increasing considerably to green plant bug of the cultivated area of fruit tree and vegetables provides abundant host plant and the hibernacle that suits; Particularly the transgenic pest-resistant cotton is at the implant mass of China late nineteen nineties, has caused green plant bug to become the primary pest in China cotton field.
The one-tenth of green plant bug, nymph thorn are inhaled juice on cotton plant terminal bud, tender leaf, bud and the young bell, and young shoot is injured and is formed only " public affairs " cotton of surplus two plump cotyledons; Blade is injured and is formed a large amount of holes of tool, uneven " broken leaf is crazy " of shrinkage; Axillalry bud, growing point are injured and are caused axillalry bud to grow thickly, and broken leaf is innumerable like the broom seedling; The children flower bud is injured, and to become yellowish-brown withered or come off; Cotton boll is injured and is then caused stain to be abound with, and the shedding of cotton bolls ossifys.According to statistics, in China Huanghe valley and the Yangtze river basin, general time, the loss that causes of green plant bug was up to 20-30%; The serious time surpasses 50%, for the outburst of responding actively green plant bug is caused disaster, is badly in need of research and development effectively preventing medicament; But; External research shows that the fleahopper class pest has produced resistance to multiple insecticide, so mixed insecticide is the effective means that delays pest resistance.
Summary of the invention
To the problems referred to above; The present invention proposes a kind of Recompounded pesticide of preventing and treating green plant bug and preparation method thereof, this Recompounded pesticide control efficiency is good, can reach more than 90% to the control efficiency of the insect green plant bug that newly breaks out in the recent period; And price is low, has reduced peasant's use cost.
The Recompounded pesticide of control green plant bug of the present invention, by weight percentage, its raw material consists of: phoxim 5%-20%, malathion 20%-40%, high osmotic agent 2-8%, emulsifier 5-10%, solvent surplus.
Among the present invention, phoxim is a kind of organophosphorus insecticide, and insecticidal spectrum is wide; The power of knocking down is strong, with tag with stomach poison function be main, no systemic action; To anti-eliminate aphis, thrips, leafhopper, plant hopper, aleyrodid, scale insect, tetranychid and multiple lepidopterous larvae be very effective; But it, decomposes because of to photo-labile in the field very soon, so the term of validity is short.Among the present invention, the consumption of phoxim is 5%-20%, and the phoxim ratio is too high, and the prepared Recompounded pesticide drug effect lasting period is short; Ratio is low excessively, and the quick-acting of Recompounded pesticide is poor.
The malathion is a kind of high-efficiency low-toxicity broad spectrum activity dithio acid esters insecticidal/acaricidal agent; Have good tagging and certain fumigation action; No systemic action gets into the polypide rear oxidation and becomes malaoxon, thereby more can bring into play toxic action; The malathion has the better prevention effect to green plant bug, and is stable to illumination.Among the present invention, the consumption of malathion is 20%-40%, and the content of malathion has guaranteed the lasting effect of Recompounded pesticide of the present invention, but the increase of malathion content, persticide residue can increase; Content reduces, and the insecticidal effect of the Recompounded pesticide that finally makes has to a certain degree decline.
Emulsifier among the present invention can be selected the compound farm chemical emulgent 0201 of commercially available anion and non-ionic surface active agent for use; Farm chemical emulgent 0201B etc.; Consumption is 5-10%, can effectively organize to stop the droplet of disperse phase to condense mutually, makes the emulsion of formation stable.Consumption is excessive, can cause waste, and environment is had certain pollution; Consumption is too small, and it is inhomogeneous to cause each composition to disperse, and can not effectively suppress droplets agglomerate, influences drug effect.
The high osmotic agent that the present invention adopted is an azone, and consumption is that 2%-8% promptly has significantly to help and oozes effect, just can reach desirable drug effect, and deposition can not appear in long-term storage, can guarantee its insecticidal effect.The drug effect of Recompounded pesticide is not good more along with increasing of bleeding agent, and the bleeding agent consumption is too much, puts for a long time to produce sediment, influences emulsifying effectiveness and drug effect, even poisoning can occur; The too small then synergistic effect of consumption is not obvious, and drug effect does not reach requirement.
The solvent that the present invention adopts is organic solvents commonly used such as xylol, acetone, because acetone stimulates taste little, and preferred acetone.
The Recompounded pesticide of control of the present invention green plant bug, its preparation method is: with phoxim and malathion respectively with mixing after the dissolution with solvents; To wherein adding high osmotic agent and emulsifier successively, add balance solvent then, be stirred to the solution of homogeneous transparent.
Because phoxim and malathion are the main active ingredient of this Recompounded pesticide, the inventor with phoxim with after the malathion makes Recompounded pesticide according to different proportionings, with reference to NY/T 1154.8-2007 processing green plant bug nymph in 3 age; Its detailed process is: with 1000 times of test medicine dilutions, the processing medicine liquid droplet of getting 0.2ml with liquid-transfering gun adds in the test tube, through horizontally rotating test tube with acetone; Form a uniform medicine film, insert then 20 3 age the green plant bug nymph, let its creep the contact 3h after; Move to again under the normal environment and to raise that (the raising condition: temperature is 26.0 ± 1.0 ℃, and relative moisture remains on 80 ± 5%, and the photoperiod is 16h/8h; Add the food kidney bean in the feeding process, to get rid of because of the hungry dead influence that is produced), observe the reaction of being poisoned to death of examination worm in 24h, 48h; Calculate lethality, LC
50And co-toxicity coefficient, the result sees table 1.
The action effect of the different proportioning medicaments of table 1
By finding out in the table 1, when phoxim mixed use with the malathion as active ingredient, two kinds of agricultural chemicals were had complementary advantages; It is good to bring into play the phoxim control efficiency, the characteristics that the power of knocking down is strong, and it is rapid to have overcome the phoxim photodissociation again; The shortcoming that lasting period is short; Drug effect significantly improves, and obvious synergistic effect is arranged, and its control efficiency all is better than independent use phoxim or malathion; When the proportioning of phoxim and malathion was 1:2-4, the adult lethality was up to more than 90%, and control efficiency is good.
In sum, the Recompounded pesticide of control green plant bug of the present invention adopts two kinds of agricultural chemicals commonly used as main component; Be equipped with emulsifier and high osmotic agent, reached mutual supplement with each other's advantages, complementary effect; Drug effect obviously improves; Thereby reduced spray medicine number of times, the generation of delaying drug resistance obviously is superior to the most products on the present market to the control efficiency of green plant bug.In addition, phoxim and malathion that Recompounded pesticide uses all are lower kinds of price in the insecticide, and other insecticides that cost is prevented and treated green plant bug reduce more than 50%, and the preparation method is simple.
Embodiment
Phoxim of the present invention is produced by Weihai Xiushui Pharmaceutical Research & Development Co., Ltd.; The malathion is produced by the north, Hengshui, Hebei province pesticide chemical Co., Ltd; Supplying the examination green plant bug is healthy active, the of the same size tritonymph of raising insectary, Institute of Plant Protection, academy of agricultural sciences, Shandong Province in, and the insectary temperature is that (26 ± 1) ℃, relative moisture are (80 ± 5) %, L/D=16h/8h.
Embodiment 1
A kind of Recompounded pesticide of preventing and treating green plant bug, by weight percentage, its raw material consists of: phoxim 5%, malathion 20%, azone 8%, emulsifier 10%, solvent surplus.
Its preparation method is: get the raw material of said ratio, phoxim and malathion are respectively with mixing after the dissolution with solvents; To wherein adding azone and emulsifier successively, add balance solvent then, be stirred to the solution of homogeneous transparent.
Emulsifier described in the present embodiment is a farm chemical emulgent 0201, and solvent is an acetone.
With the Recompounded pesticide of above-mentioned preparation, be used for the control of green plant bug with reference to NY/T 1154.8-2007, lethality reaches 93.3%.
Embodiment 2
A kind of Recompounded pesticide of preventing and treating green plant bug, by weight percentage, its raw material consists of: phoxim 10%, malathion 30%, azone 2%, emulsifier 8%, solvent surplus.
Its preparation method is: get the raw material of said ratio, phoxim and malathion are respectively with mixing after the dissolution with solvents; To wherein adding azone and emulsifier successively, add balance solvent then, be stirred to the solution of homogeneous transparent.
Emulsifier described in the present embodiment is farm chemical emulgent 0201B, and solvent is an acetone.
With the Recompounded pesticide of above-mentioned preparation, be used for the control of green plant bug with reference to NY/T 1154.8-2007, lethality reaches 96.18%.
Embodiment 3
A kind of Recompounded pesticide of preventing and treating green plant bug, by weight percentage, its raw material consists of: phoxim 20%, malathion 40%, azone 3%, emulsifier 6%, solvent surplus.
Its preparation method is: get the raw material of said ratio, phoxim and malathion are respectively with mixing after the dissolution with solvents; To wherein adding azone and emulsifier successively, add balance solvent then, be stirred to the solution of homogeneous transparent.
Emulsifier described in the present embodiment is a farm chemical emulgent 0201, and solvent is an xylol.
With the Recompounded pesticide of above-mentioned preparation, be used for the control of green plant bug with reference to NY/T 1154.8-2007, lethality reaches 96.20%.
Embodiment 4
A kind of Recompounded pesticide of preventing and treating green plant bug, by weight percentage, its raw material consists of: phoxim 16%, malathion 35%, azone 5%, emulsifier 9%, solvent surplus.
Its preparation method is: get the raw material of said ratio, phoxim and malathion are respectively with mixing after the dissolution with solvents; To wherein adding azone and emulsifier successively, add balance solvent then, be stirred to the solution of homogeneous transparent.
Emulsifier described in the present embodiment is farm chemical emulgent 0201B, and solvent is an acetone.
With the Recompounded pesticide of above-mentioned preparation, be used for the control of green plant bug with reference to NY/T 1154.8-2007, lethality reaches 93.45%.
Embodiment 5
A kind of Recompounded pesticide of preventing and treating green plant bug, by weight percentage, its raw material consists of: phoxim 8%, malathion 25%, azone 6%, emulsifier 5%, solvent surplus.
Its preparation method is: get the raw material of said ratio, phoxim and malathion are respectively with mixing after the dissolution with solvents; To wherein adding azone and emulsifier successively, add balance solvent then, be stirred to the solution of homogeneous transparent.
Emulsifier described in the present embodiment is a farm chemical emulgent 0201, and solvent is an xylol.
With the Recompounded pesticide of above-mentioned preparation, be used for the control of green plant bug with reference to NY/T 1154.8-2007, lethality reaches 94.65%.
Claims (7)
1. Recompounded pesticide of preventing and treating green plant bug, it is characterized in that: by weight percentage, its raw material consists of: phoxim 5%-20%, malathion 20%-40%, high osmotic agent 2-8%, emulsifier 5-10%, solvent surplus.
2. the Recompounded pesticide of control green plant bug according to claim 1, it is characterized in that: the weight ratio of phoxim and malathion is 1:2-4.
3. the Recompounded pesticide of control green plant bug according to claim 1, it is characterized in that: described emulsifier is farm chemical emulgent 0201 or farm chemical emulgent 0201B.
4. the Recompounded pesticide of control green plant bug according to claim 1, it is characterized in that: described high osmotic agent is an azone.
5. the Recompounded pesticide of control green plant bug according to claim 1, it is characterized in that: described solvent is acetone or xylol.
6. the Recompounded pesticide of control green plant bug according to claim 1, it is characterized in that: described solvent is an acetone.
7. prepare the Recompounded pesticide of the described control of claim 1 green plant bug, it is characterized in that: its concrete steps are: get the raw material of said ratio, phoxim and malathion are respectively with mixing after the dissolution with solvents; To wherein adding high osmotic agent and emulsifier successively, add balance solvent then, stir the solution of homogeneous transparent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210287377.0A CN102771504B (en) | 2012-08-13 | 2012-08-13 | Compound pesticide for controlling apolygus lucorum and preparation method of compound pesticide |
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| CN201210287377.0A CN102771504B (en) | 2012-08-13 | 2012-08-13 | Compound pesticide for controlling apolygus lucorum and preparation method of compound pesticide |
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| CN102771504B CN102771504B (en) | 2014-04-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103734114A (en) * | 2013-12-18 | 2014-04-23 | 中国农业科学院植物保护研究所 | Green plant bug imago control method |
| CN107279177A (en) * | 2017-06-28 | 2017-10-24 | 山东大农药业有限公司 | A kind of water dispersible granules containing phoxim and gamma cyhalothrin and its preparation method and application |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857508B (en) * | 2016-12-27 | 2019-12-03 | 华中农业大学 | The dilute Zuo Wei of trans--China pink shoulder green plant bug attractant application |
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| CN1820568A (en) * | 2006-03-21 | 2006-08-23 | 崔金杰 | Comprehensive preventing and controlling method for main pests in transgenic pest-resinstant cotton field |
| CN101366391A (en) * | 2008-09-28 | 2009-02-18 | 刘金虎 | Pesticide for killing heliothis armigera |
| CN101606529A (en) * | 2009-07-29 | 2009-12-23 | 河北省农林科学院植物保护研究所 | Contain insecticide of emamectin-benzoate and malathion and uses thereof |
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2012
- 2012-08-13 CN CN201210287377.0A patent/CN102771504B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1089432A (en) * | 1993-12-18 | 1994-07-20 | 康鸿声 | Pesticide " Zhonghaijing " |
| CN1110081A (en) * | 1994-04-04 | 1995-10-18 | 山东阳谷化工厂 | Missible oil for control of bollworm |
| CN1110080A (en) * | 1994-04-15 | 1995-10-18 | 湖北省潜江市利德化工股份有限公司 | Caichongling pesticide |
| CN1820568A (en) * | 2006-03-21 | 2006-08-23 | 崔金杰 | Comprehensive preventing and controlling method for main pests in transgenic pest-resinstant cotton field |
| CN101366391A (en) * | 2008-09-28 | 2009-02-18 | 刘金虎 | Pesticide for killing heliothis armigera |
| CN101606529A (en) * | 2009-07-29 | 2009-12-23 | 河北省农林科学院植物保护研究所 | Contain insecticide of emamectin-benzoate and malathion and uses thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103734114A (en) * | 2013-12-18 | 2014-04-23 | 中国农业科学院植物保护研究所 | Green plant bug imago control method |
| CN107279177A (en) * | 2017-06-28 | 2017-10-24 | 山东大农药业有限公司 | A kind of water dispersible granules containing phoxim and gamma cyhalothrin and its preparation method and application |
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| CN102771504B (en) | 2014-04-23 |
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