CN104126616A - Composite abamectin/beta-cypermethrin emulsifiable concentrate plant source biological pesticide - Google Patents
Composite abamectin/beta-cypermethrin emulsifiable concentrate plant source biological pesticide Download PDFInfo
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Abstract
The invention discloses a composite abamectin/beta-cypermethrin emulsifiable concentrate plant source biological pesticide which consists of the following components: 0.3-1.0kg of abamectin flavor powder, 1-2kg of beta-cypermethrin, 10-15 liters of emulsifiable concentrate emulsifier, 3-5 liters of alkylphenol ethoxylates, 20-40 liters of methanol, 2-5kg of brucea javanica extract, 8-12kg of asarone, 2-5kg of cynanchum komarovii extract and xylene added until the total volume is 100 liters. Various components are scientifically and reasonably compounded, strong points are learned to close the gap, advantages are taken to fill the disadvantages, the components are mutually coordinated, promoted and compensated in the insecticidal mechanism, insect pests are killed through multiple mechanisms, and the effect is good. Moreover, the insect pests difficultly generate drug resistance by utilizing plant source pesticides, the advantages of abamectin are fully exerted, and the defects of abamectin are overcome. The invention also relates to a method for preparing the composite abamectin/beta-cypermethrin emulsifiable concentrate plant source biological pesticide.
Description
Technical field
The present invention relates to agricultural chemicals, specifically Avermectins botanical biological pesticide, more specifically compound Avermectin/r botanical biological pesticide.
Background technology
Avermectin is a kind of antibiotics insecticidal/acaricidal agent of efficient, wide spectrum.It is comprised of one group of macrolides compound, and active substance is AVERMECTIN, and mite class and insect are had to stomach toxicity and action of contace poison.Spray leaf surface and can decompose rapidly dissipation, the active ingredient infiltrating in plant parenchyma can be present in tissue and have conduction the long period, to taking food the insect of harm in evil mite and plant tissue, has long residual effect.Be mainly used in poultry, domestic animal endoparasite and ectoparasite and crop pests, worm as red in parasitism, diptera, coleoptera, Lepidoptera and pest mite etc.Avermectin is natural products separated from edaphon, insects and mites is had and tags with stomach poison function and have faint fumigation action, without systemic action.Obvious to root nematode effect.Blade is had to very strong osmosis, can kill subepidermal insect, and the longevity of residure is long, but its ovicidal not.What its mechanism of action was different from general insecticide is that it disturbs neurophysiology movable, stimulate and discharge r-aminobutyric acid, and r-aminobutyric acid has inhibitory action to arthropodan nerve conduction, if there is paralysis symptom after becoming mite to contact with medicament with larva with insect in mite class, inertia does not take food, dead after 2-4 days.Because not causing that insect dewaters rapidly, so its lethal effect is slower.
Avermectin has tags and stomach poison function, and penetration is strong, and long residual effect, belongs to neurotoxin, residual few at plant surface, little to the damage of beneficial insect.A little less than its weak point is fumigation action, without systemic action, lethal effect is slower, ovicidal not, and have pest resistance.
Summary of the invention
In order to overcome the defect of Avermectin when giving full play to Avermectin advantage, the invention provides a kind of compound Avermectin/r botanical biological pesticide.
Compound Avermectin/r botanical biological pesticide of the present invention, by following compositions, formed: Avermectin fine powder: 0.3～1.0kg, beta-cypermethrin: 1～2kg, missible oil emulsifier: 10～15 liters, alkylphenol polyoxyethylene: 3～5 liters, methyl alcohol: 20～40 liters, brucea extract: 2～5kg, asarone: 8～12kg, Cynanchum Komarovii extract: 2～5kg, dimethylbenzene: add to 100 liters of volumes.
Preferably, Avermectin fine powder: 0.5～0.8kg, beta-cypermethrin: 1.2～1.6kg, missible oil emulsifier: 10～13 liters, alkylphenol polyoxyethylene: 3～5 liters, methyl alcohol: 25～35 liters, brucea extract: 3～4kg, asarone: 10～11kg, Cynanchum Komarovii extract: 3～4kg, dimethylbenzene: add to 100 liters of volumes.
The embodiment being more preferably is: Avermectin fine powder: 0.6kg, beta-cypermethrin: 1.4kg, missible oil emulsifier: 12 liters, alkylphenol polyoxyethylene: 4 liters, methyl alcohol: 30 liters, brucea extract: 3.5kg, asarone: 1.5kg, Cynanchum Komarovii extract: 3.5kg, dimethylbenzene: add to 100 liters of volumes.
In described compound Avermectin/r botanical biological pesticide, described missible oil emulsifier is selected from: 1101,1203,1215,1221,1226,2201 and 1200; Described alkylphenol polyoxyethylene is selected from OP series and TX series.
Wherein, described alkylphenol polyoxyethylene is preferably from OP series.
In missible oil emulsifier in the present invention, emulsifier 2201 comprises a lot of models, as Teva2201, Teva2201-10, Teva2201-A, Teva2201-B, Teva2201-C, Teva2201-D, Teva2201-H and Teva2201-L, can select or uses that be mixed according to actual conditions the good effect of growing to produce emulsification homogeneous, stationary phase.
Described alkylphenol polyoxyethylene (APEO) is a class non-ionic surface active agent, by hydrophilic radical classification, mainly contains OP series and TX series of products.
In the present invention, alkylphenol polyoxyethylene is selected from OP series and TX series.
Wherein, described alkylphenol polyoxyethylene is preferably from OP series.OP-10 particularly preferably.OP-10 is polyoxyethylene nonylphenol ether, is nonyl phenol and ethylene oxide adduct, has stability in hard water and alkali tolerance, has emulsification simultaneously, soaks, disperses the performances such as solubilising, decontamination and infiltration.In the present invention, coordinate missible oil emulsifier, play better the effect of emulsifier, wetting agent, stabilizing agent.
In the present invention, Cynanchum Komarovii extract preferred alcohol is as the extract of solvent.
Brucea extract preferred alcohol or n-butanol, as the extract of solvent, are more preferably ethanol as the extract of solvent.
The present invention also provides the preparation method of compound Avermectin/r botanical biological pesticide described above.
This preparation method, comprising:
1), brucea extract, asarone, Cynanchum Komarovii extract are dissolved in methyl alcohol;
2), Avermectin fine powder and beta-cypermethrin are joined in dimethylbenzene and dissolved, then add missible oil emulsifier and alkylphenol polyoxyethylene;
3), stir under by 1) gained joins 2) among gained;
4), finally adding dimethylbenzene to volume is 100 liters again.
The suitable situation buying satisfactory various raw materials of said method.
In order to reduce costs, or buy in the situation less than satisfactory brucea extract and Cynanchum Komarovii extract, also can adopt following method to prepare compound Avermectin/r botanical biological pesticide of the present invention, this method comprises:
1), brucea extract preparation: brucea complete stool is dried in the shade, and pulverizes, and crosses 40-50 order, adds alcohol immersion and extracts more than three times, merges soak, and Vacuum Concentration is to paste, stand-by;
2), Cynanchum Komarovii extract preparation: Cynanchum Komarovii complete stool is dried in the shade, and pulverizes, and crosses 40-80 order, adds alcohol immersion and extracts three times, merges soak, and Vacuum Concentration is to paste, stand-by;
3), brucea extract, asarone, Cynanchum Komarovii extract are dissolved in methyl alcohol;
4), Avermectin fine powder and beta-cypermethrin are joined in dimethylbenzene and dissolved, then add missible oil emulsifier and alkylphenol polyoxyethylene;
5), stir under by 3) gained joins 4) among gained;
6), finally adding dimethylbenzene to volume is 100 liters again.
The beta-cypermethrin using in the present invention is a kind of pyrethroid insecticides, and biologically active is higher, is the isomer of cypermethrin, and drug effect is higher than permethrin, has and tags and stomach poison function.Insecticidal spectrum is wide, the speed of knocking down is fast, and insecticidal activity is high compared with cypermethrin.It is a kind of quick-acting neurotoxin.Photo-thermal is all stablized.It easily decomposes on soil and plant.Beta-cypermethrin is two pairs of raceme mixtures, and it is about 2: 3 along inverse ratio.Former medicine outward appearance is extremely cream-colored crystalline solid of white, is soluble in aromatic hydrocarbons, ketone and alcohols.Be applicable to defending insect and killing, insects such as fly class, mosquito class and Simulium.To cotton sandfly worm, red worm septempunctata: in cotton two three generations's ovum hatching Sheng phase dispensers, to oranges and tangerines leaf mining pretty young woman: prevent and treat putting tip initial stage and ovum hatching Sheng phase, to oranges and tangerines ceroplastes rubens: in ovum hatching Sheng phase control.Beta-cypermethrin and abamectin compounded, utilizes that beta-cypermethrin speed is killed, the feature of ovicidal makes up Avermectin lethal effect more slowly and the disadvantage of ovicidal not.
The main component of asarone is positive 2,4,5 trimethoxies-propenylbenzene (beta-Asarone) (2,4,5-trimethoxy propenylbenzene, β-asaron), it is effective bioactive ingredients of rhizoma calami, beta-Asarone has resistance gland, food refusal and suppresses the effect of insect growth, mythimna separata is had to stifling, action of contace poison preferably, black peach aphid, cabbage caterpillar are had to stronger action of contace poison, corn weevil is had to certain fumigating, avoid and keep away and population inhibitory action, asarone is similar to intoxicating symptom and the never poison of insect.Asarone and abamectin compounded, can make up the shortcoming of Avermectin fumigation action deficiency.Asarone or the synergist of beta-cypermethrin, be also the synergist of botanical pesticide, has pesticide-germicide to kill the effect of mite.Yet asarone is poor to the activity of cotton bollworm and red flour beetle, there is obvious desinsection selectivity.
Java brucea n-butanol extract in the present invention has higher activity and toxicity, sterilization and disinsection, and its 5-10% cooling bath contacts 18-48 hour with mosquito larvae with ovum, can all kill it.Report, Java brucea n-butanol extract to the food refusal rate of cabbage caterpillar 4 instar larvaes and growth inhibition ratio all at more than 80% (Zeng Tao etc., Fructus Bruceae extract is on cabbage caterpillar larval feeding and the impact of growing, agricultural chemicals, 03 phase in 2006).The methanolic extract at Java brucea leaf, branch, 3 positions of seed all has higher contact toxicity to cigarette aphid, and wherein the activity of Java brucea seed extract is the highest, and the corrected mortality of processing after 48h is 98.79%; In stomach toxicity and selectivity, avoid and keep away in determination of activity, Java brucea leaf extract is maximum to the stomach poison activity of cigarette aphid, the corrected mortality of processing after 48h reaches 87.11%, it is 85.94% (Shang Xiankun etc. that selectivity after processing 24h is avoided the rate of keeping away, the bioactivity research of Fructus Bruceae extract to cigarette aphid, the agriculture journal in southwest, 06 phase in 2008).The present invention has utilized Java brucea n-butanol extract to make up the not disadvantage of ovicidal of Avermectin to the killing action of larvae and eggs, and expands its range of application.
Cynanchum Komarovii (Cynanchum komaroviiAL.Iljins-ki) belongs to Japanese metaplexis herb guiding principle Asclepiadaceae Cynanchum (Cynanchum L) plant, Cynanchum Komarovii is as a kind of traditional medicinal plant, the research of relevant its biologically active aspect is a lot. and utilize Cynanchum Komarovii (alkaloid) to prevent and treat aphid, cotton bollworm, cabbage caterpillar, diamond-back moth, mulberry longicorn and mythimna separata, in the experimental stage, all have good effect.Cynanchum Komarovii methanolic extract has significant eelworm-killing activity; Cynanchum Komarovii methanolic extract has disturbed the metabolism of sugared in nematode body and albumen; suppress SOD, AChE and GST active; (poplar is waited quietly to have destroyed nematode protective enzyme system and nervous system; Cynanchum Komarovii kill nematode mechanism; Tianjin Normal University's journal (natural science edition), 03 phase in 2010).Cynanchum Komarovii extract has the nematode protective enzyme system of destruction and neural pair of insecticidal mechanism, and can make up the defect that beta-cypermethrin can not be killed cotton bollworm.
In addition, Cynanchun komarovii contains 27 kinds of inorganic elements: barium, beryllium, chromium, lead, zinc, copper, nickel, zirconium, titanium, yttrium, ytterbium, manganese, iron, aluminium, cobalt, tin, gallium, silver, molybdenum, vanadium, strontium, calcium, magnesium, potassium, sodium, silicon and phosphorus.Wherein potassium content is up to more than 10%.Identifiedly in Cynanchun komarovii go out 57 volatile ingredients, its ethanol extract has the faint yellow grease of special odor.
So the composite Cynanchum Komarovii extract of the present invention, to Avermectin synergy, delays the pesticide resistance of insect, reduce Avermectin consumption, reduce costs, reduce residually, pesticide-germicide kills mite, can also increase fumigation action and suitably supplement inorganic nutrients.
The present invention is scientific and reasonable composite by various compositions, learn from other's strong points to offset one's weaknesses, got benefit nothing, on insecticidal mechanism, coordinate mutually, promote and make up, insect pest is carried out to multimachine system and kill, better effects if, and utilize botanical pesticide to be difficult for making insect to develop immunity to drugs, when not only having given full play to Avermectin advantage but also overcome the defect of Avermectin, thus the composite plant source biological pesticide that is difficult for developing immunity to drugs that provides a kind of range of application greatly to expand.
Compound Avermectin/r botanical biological pesticide of the present invention, being mainly used in greengrocery crop, thin up becomes 1: 1000～and 5000 times, even spraying, multiple insect pest is had to good preventive and therapeutic effect, can also supplement part trace element and inorganic elements.When the fruit tree crop, thin up becomes 1: 1000～and 1500 times.
This product in Hainan, the ground such as Guangdong, Guangxi, Fujian, Shandong, Henan tries out, and generally reacts good disinsection effect, and little to toxicity to man and livestock.
Embodiment
Embodiment 1
1), brucea extract preparation: brucea complete stool is dried in the shade, and pulverizes, and crosses 50 orders, adds alcohol immersion and extracts more than three times, merges soak, and Vacuum Concentration is to paste, stand-by;
2), Cynanchum Komarovii extract preparation: Cynanchum Komarovii complete stool is dried in the shade, and pulverizes, and crosses 50 orders, adds alcohol immersion and extracts three times, merges soak, and Vacuum Concentration is to paste, stand-by;
3), brucea extract, asarone, Cynanchum Komarovii extract are dissolved in methyl alcohol;
4), Avermectin fine powder and beta-cypermethrin are joined in 5 liters of dimethylbenzene and dissolved, then add missible oil emulsifier and alkylphenol polyoxyethylene;
5), stir under by 3) gained joins 4) among gained;
6), finally adding residue dimethylbenzene to volume is 100 liters again.
Wherein the consumption of each composition is: Avermectin fine powder: 0.6kg, beta-cypermethrin: 1.4kg, missible oil emulsifier: 12 liters, alkylphenol polyoxyethylene: 4 liters, methyl alcohol: 30 liters, brucea extract: 3.5kg, asarone: 1.5kg, Cynanchum Komarovii extract: 3.5kg, dimethylbenzene: add to 100 liters of volumes.
Embodiment 2
1), brucea extract preparation: brucea complete stool is dried in the shade, and pulverizes, and crosses 50 orders, adds alcohol immersion and extracts more than three times, merges soak, and Vacuum Concentration is to paste, stand-by;
2), Cynanchum Komarovii extract preparation: Cynanchum Komarovii complete stool is dried in the shade, and pulverizes, and crosses 50 orders, adds alcohol immersion and extracts three times, merges soak, and Vacuum Concentration is to paste, stand-by;
3), brucea extract, asarone, Cynanchum Komarovii extract are dissolved in methyl alcohol;
4), Avermectin fine powder and beta-cypermethrin are joined in 5 liters of dimethylbenzene and dissolved, then add missible oil emulsifier and alkylphenol polyoxyethylene;
5), stir under by 3) gained joins 4) among gained;
6), finally adding residue dimethylbenzene to volume is 100 liters again.
Wherein the consumption of each composition is: Avermectin fine powder: 1kg, beta-cypermethrin: 2kg, missible oil emulsifier: 15 liters, alkylphenol polyoxyethylene: 5 liters, methyl alcohol: 40 liters, brucea extract: 5kg, asarone: 11kg, Cynanchum Komarovii extract: 5kg, dimethylbenzene: add to 100 liters of volumes.
Embodiment 3
1), brucea extract, asarone, Cynanchum Komarovii extract are dissolved in methyl alcohol;
2), Avermectin fine powder and beta-cypermethrin are joined in dimethylbenzene and dissolved, then add missible oil emulsifier and alkylphenol polyoxyethylene;
3), stir under by 1) gained joins 2) among gained;
4), finally adding dimethylbenzene to volume is 100 liters again.
Wherein the consumption of each composition is: Avermectin fine powder: 0.5kg, beta-cypermethrin: 1.2kg, missible oil emulsifier: 10 liters, alkylphenol polyoxyethylene: 3 liters, methyl alcohol: 25 liters, brucea extract: 2.5kg, asarone: 10kg, Cynanchum Komarovii extract: 3kg, dimethylbenzene: add to 100 liters of volumes.
Claims (10)
1. compound Avermectin/r botanical biological pesticide, by following compositions, formed: Avermectin fine powder: 0.3～1.0kg, beta-cypermethrin: 1～2kg, missible oil emulsifier: 10～15 liters, alkylphenol polyoxyethylene: 3～5 liters, methyl alcohol: 20～40 liters, brucea extract: 2～5kg, asarone: 8～12kg, Cynanchum Komarovii extract: 2～5kg, dimethylbenzene: add to 100 liters of volumes.
2. compound Avermectin/r botanical biological pesticide according to claim 1, it is characterized in that: Avermectin fine powder: 0.5～0.8kg, beta-cypermethrin: 1.2～1.6kg, missible oil emulsifier: 10～13 liters, alkylphenol polyoxyethylene: 3～5 liters, methyl alcohol: 25～35 liters, brucea extract: 3～4kg, asarone: 10～11kg, Cynanchum Komarovii extract: 3～4kg, dimethylbenzene: add to 100 liters of volumes.
3. compound Avermectin/r botanical biological pesticide according to claim 1, it is characterized in that: Avermectin fine powder: 0.6kg, beta-cypermethrin: 1.4kg, missible oil emulsifier: 12 liters, alkylphenol polyoxyethylene: 4 liters, methyl alcohol: 30 liters, brucea extract: 3.5kg, asarone: 1.5kg, Cynanchum Komarovii extract: 3.5kg, dimethylbenzene: add to 100 liters of volumes.
4. according to the compound Avermectin/r botanical biological pesticide described in claim 1,2 or 3, it is characterized in that: described missible oil emulsifier is selected from: 1101,1203,1215,1221,1226,2201 and 1200; Described alkylphenol polyoxyethylene is selected from OP series and TX series.
5. compound Avermectin/r botanical biological pesticide according to claim 4, is characterized in that: described alkylphenol polyoxyethylene is selected from OP series.
6. according to the compound Avermectin/r botanical biological pesticide described in claim 1,2 or 3, it is characterized in that: Cynanchum Komarovii extract is that ethanol is as the extract of solvent.
7. according to the compound Avermectin/r botanical biological pesticide described in claim 1,2 or 3, it is characterized in that: brucea extract comprises that ethanol or n-butanol are as the extract of solvent.
8. compound Avermectin/r botanical biological pesticide according to claim 7, is characterized in that: brucea extract is that ethanol is as the extract of solvent.
9. the preparation method of the compound Avermectin/r botanical biological pesticide described in claim 1,2 or 3, comprising:
1), brucea extract, asarone, Cynanchum Komarovii extract are dissolved in methyl alcohol;
2), Avermectin fine powder and beta-cypermethrin are joined in dimethylbenzene and dissolved, then add missible oil emulsifier and alkylphenol polyoxyethylene;
3), stir under by 1) gained joins 2) among gained;
4), finally adding dimethylbenzene to volume is 100 liters again.
10. the preparation method of the compound Avermectin/r botanical biological pesticide described in claim 1,2 or 3, comprising:
1), brucea extract preparation: brucea complete stool is dried in the shade, and pulverizes, and crosses 40-50 order, adds alcohol immersion and extracts more than three times, merges soak, and Vacuum Concentration is to paste, stand-by;
2), Cynanchum Komarovii extract preparation: Cynanchum Komarovii complete stool is dried in the shade, and pulverizes, and crosses 40-80 order, adds alcohol immersion and extracts three times, merges soak, and Vacuum Concentration is to paste, stand-by;
3), brucea extract, asarone, Cynanchum Komarovii extract are dissolved in methyl alcohol;
4), Avermectin fine powder and beta-cypermethrin are joined in dimethylbenzene and dissolved, then add missible oil emulsifier and alkylphenol polyoxyethylene;
5), stir under by 3) gained joins 4) among gained;
6), finally adding dimethylbenzene to volume is 100 liters again.
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| CN110432106A (en) * | 2019-08-28 | 2019-11-12 | 广西壮族自治区农业科学院 | A kind of cultural method for the activator and selenium-rich chive that Selenium in Soil activates |
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