CN101627762A - Composite of insecticides, miticides and nematicide with synergistic effect and application - Google Patents
Composite of insecticides, miticides and nematicide with synergistic effect and application Download PDFInfo
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- CN101627762A CN101627762A CN200910018031A CN200910018031A CN101627762A CN 101627762 A CN101627762 A CN 101627762A CN 200910018031 A CN200910018031 A CN 200910018031A CN 200910018031 A CN200910018031 A CN 200910018031A CN 101627762 A CN101627762 A CN 101627762A
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- emamectin
- benzoate
- avermectin
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Abstract
The invention relates to the technical field of pesticide composite, in particular to a composite of insecticides, miticides and nematicide with a synergistic effect and an application. The composite of abamectin and Emamectin benzoate provided by the invention is recomposed, and the weight ratio of the abamectin to Emamectin benzoate is equal to 20:1-1:20. The composite in the invention can prevent and treat pests, mites and harmful nematode, and especially has a remarkable preventing and treating effect on diamond back moth, cnaphalocrocis medinalis, Panonychus citri McGregor and vegetable root knot nematode.
Description
Technical field
The present invention relates to the technical field of composition pesticide, be specially a kind of composite of insecticides, miticides and nematicide and application with synergistic function.
Background technology
Avermectin, English name Avermectins is to be had desinsection, killed ten hexa-atomic Macrocyclic lactone compounds of mite, eelworm-killing activity by university's big village intelligence in the Japanese north etc. and the class that U.S. Merck company at first develops, it is tagged, stomach toxicity, penetration is strong.Avermectin is the natural products that separates from edaphon, insect and mite class are had tag, stomach toxicity and faint fumigation action, no systemic action, but it has very strong osmosis to blade, can kill subepidermal insect.
Emamectin-benzoate, efficiently, wide spectrum, the longevity of residure are long, be good insecticidal/acaricidal agent, its mechanism of action is to hinder pest movements nerve information transmission and make the health paralysis dead, the mode of action is based on stomach toxicity, crop is not had interior absorption energy, but active ingredient can infiltrate and use crop epidermal tissue, thereby have the longer longevity of residure.Control Lepidoptera, coleoptera and homoptera pest there is high activity, and do not produce with other crops and intersect, easily degraded noresidue is free from environmental pollution in soil and water, in the routine dose scope to useful insect and natural enemy, people, animal safety, can with most of combined use of pesticides.
In the real process of agricultural production, the problem that pest control is easy to generate most is the generation of pest resistance to insecticide.Diamond-back moth is a kind of common insect, the main harm brassicaceous vegetable, often cause crushing disaster, especially in the zone, south, diamond-back moth is annual takes place, in some serious zone, the Methomyl of the sumicidin in conventional pesticide composition such as the pyrethroid, the phoxim in the organic phosphor, carbamates etc., control efficiency is very poor separately.
The mite class has another name called two spotted spider mite, white spider etc., belongs to the Arthropoda arachnids.The mite class of damage to crops mainly contains Panonychus citri, Tetranychus cinnabarinus, Tetranychus urticae, goitre mite and rust mite on agricultural, it is big that the mite class of these damages to crops has egg laying amount usually, reproduction speed is fast, population density is big, and generation overlap is obvious, and characteristics such as easily develop immunity to drugs, usually cause fruit to spend skin, the leaf chlorosis, fruit tree nutrition is bad, occurs falling flower at last, falls leaf, falls destructive consequence such as fruit.
In the process of China's agricultural production, chemical control is the main effective means of control mite class, easily develop immunity to drugs but adopt this to prevent and treat method mite class, and panonychus citri especially, under the environmental condition of long-term prescription, resistance increases obviously.Thereby use miticides such as pyridaben, azacyclotin, Hexythiazox, four mite piperazines, the harm of uncontrollable mite class separately.
Plant nematode is the important causal organism in the crops pest, and the nematode decapacitation directly causes can also propagate multiple pathogenic microorganism outside the plant disease, particularly virus.The average loss that whole world crop is caused because of plant nematode endangers is more than 10%, and Chinese eelworm harm is very serious, can make peanut underproduction 30-40% generally speaking, soybean underproduction 10-20%; The paddy rice underproduction 10% can make the peanut underproduction 70-80% when serious, even total crop failure; Soybean underproduction 30-50%; Paddy rice underproduction 40-50%; and harm is on the rise; particularly because the rapid expansion of China's protection ground vegetables area; annual uninterrupted plantation causes a large amount of accumulation of nematode and other pathogenic microorganism; not only cause vegetables underproduction 20-30%; also seriously influenced quality of vegetable and outlet, serious threat protection ground vegetables and is produced.The nematocide that uses mostly is organic phosphor and carbamic acid lipid greatly at present, all belong to highly toxic pesticide as Aldicarb etc., alternative low-toxin farm chemicals kind is few, nematode easily develops immunity to drugs, and compatibility extreme difference with environment, polluted soil and water resource, plant nematode is learned in China's research and starts late, and the research of biogenic nematocide is less.
Go up insect, evil mite, the parasitic nematode that produces resistance for the control agricultural, a kind of way is to release the new component that new and existing kind do not have cross resistance, still, and the development cost height of new active ingredient, construction cycle is long, and all produces the speed of resistance forever less than insect.Other method such as crop allocation adjustment, different agricultural chemicals are rotated etc., in the process of practical operation, are difficult to really play tangible control efficiency.The composition of different cultivars carries out composite, be control resistant insect or the very common way of evil mite, still nobody reported in the composite and application of Avermectin and emamectin-benzoate at present, and the harmful nematode that Avermectin and emamectin-benzoate are used to prevent and treat on the agricultural does not appear in the newspapers.
Summary of the invention
The objective of the invention is to the problem according to above-mentioned existence, and a kind of composite of insecticides, miticides and nematicide with synergistic function is provided, said composition can be prevented and treated insect, evil mite, the harmful nematode on the agricultural.Especially remarkable to diamond-back moth, rice leaf roller, citrus red mite, root knot nematode control efficiency.
The technical scheme of the present composition is: active ingredient is Avermectin and emamectin-benzoate, it is characterized in that, the weight ratio of Avermectin and emamectin-benzoate is an Avermectin in the said composition: emamectin-benzoate=20: 11: 20, as preferably, the weight ratio of described Avermectin and emamectin-benzoate is an Avermectin: emamectin-benzoate=1: 1-1: 10.
The weight percentage of described active ingredient is 1%-85%, and promptly the two total weight percentage of Avermectin and emamectin-benzoate is 1%-85%, and preferably, the active ingredient weight percentage is 1%-30%.
Described combination dosage form comprises missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder and water dispersible granules, is equipped with agricultural chemicals used additives and excipients etc. during according to practical application and makes different formulations, satisfies different occasion needs.
Composition of the present invention can be used for desinsection, kills mite, nematicide, and is especially remarkable to diamond-back moth, rice leaf roller, citrus red mite, root knot nematode control efficiency.
Beneficial effect of the present invention is: the complex composition of Avermectin of the present invention and emamectin-benzoate, prevent and treat the insect on the agricultural, harmful mite, harmful nematode etc., synergistic effect is good, obviously improved actual control efficiency, reduced the usage amount of agricultural chemicals, thereby delayed the generation of pest resistance to insecticide greatly, use the pesticide resistance problem for present single agent good solution is provided, the residue of pesticide of product have also been reduced, the Product Green environmental protection, simultaneously, further alleviate pollution problem, meet the trend of Future Society environmental protection environment.Said composition has desinsection, kills mite, nematicide effect, and is especially remarkable to diamond-back moth, rice leaf roller, citrus red mite, root knot nematode control efficiency.
To the compound synergic research of composition of the present invention, the diamond-back moth in field is adopted in test, is used for test after raising.
Concrete grammar is: adopt commercially available former medicine to carry out the composite needed preparation that is.The examination worm is the pickles chrysalis of picking up from the field, four generations of indoor feeding, select the second instar larvae of growth uniformity, in the culture dish that the diameter of access storing cabbage leaf (black leaf Chinese cabbage, outermost layer blade) is 9 centimetres, every ware connects 30, every processing connects three wares, spray under SOPSI pressure with the POTT spray tower, spray a ware at every turn, 3 milliliters of every ware spraying liquids.General each processing is provided with 1-7 concentration gradient.The culture dish of handling is put into 25 ℃, cultivates in the 12H/12H illumination box, checks the survival borer population in 48 hours, calculates the insect population rate that goes down.Blank spray equivalent clear water.Calculate virulence equation and lethal concentration of 50 LC50 with method of least squares, calculate the toxicity index of medicament and the co-toxicity coefficient of using with (CTC value) according to the abundant method of Sun Yun.
The different proportion relations of table 1 are to the toxicity test result of diamond-back moth
| Handle | ??LC50 ??(PPM ??) | Co-toxicity coefficient |
| Avermectin 20: emamectin-benzoate 1 | ??8.72 | ??203.17 |
| Avermectin 10: emamectin-benzoate 1 | ??3.19 | ??318.46 |
| Avermectin 5: emamectin-benzoate 1 | ??2.82 | ??412.96 |
| Avermectin 1: emamectin-benzoate 1 | ??1.21 | ??721.55 |
| Avermectin 1: emamectin-benzoate 5 | ??0.82 | ??885.76 |
| Avermectin 1: emamectin-benzoate 10 | ??0.77 | ??430.81 |
| Avermectin 1: emamectin-benzoate 20 | ??0.66 | ??316.75 |
| Avermectin | ??21.74 | |
| Emamectin-benzoate | ??0.46 |
To the compound synergic research of composition of the present invention, rice leaf roller is adopted in test, is used for test after raising.
Concrete grammar: adopt commercially available former medicine to carry out the composite needed preparation that is.The examination worm is the rice leaf roller pupa that picks up from the field, four generations of indoor feeding, select the second instar larvae of growth uniformity, in the culture dish that the diameter of access storing paddy rice leaf section is 9 centimetres, every ware connects 30, and every processing connects three wares, sprays under SOPSI pressure with the POTT spray tower, ware of each spray, 3 milliliters of every ware spraying liquids.General each processing is provided with 1-7 concentration gradient.The culture dish of handling is put into 25 ℃, cultivates in the 12H/12H illumination box, checks the survival borer population in 48 hours, calculates the insect population rate that goes down.Blank spray equivalent clear water.Calculate virulence equation and lethal concentration of 50 LC50 with method of least squares, calculate the toxicity index of medicament and the co-toxicity coefficient of using with (CTC value) according to the abundant method of Sun Yun.
The different proportion relations of table 2 are to the toxicity test result of rice leaf roller
| Handle | ??LC50 ??(PPM) | Co-toxicity coefficient |
| Avermectin 20: emamectin-benzoate 1 | ??23.73 | ??123.23 |
| Avermectin 10: emamectin-benzoate 1 | ??16.55 | ??138.49 |
| Avermectin 5: emamectin-benzoate 1 | ??8.42 | ??162.37 |
| Avermectin 1: emamectin-benzoate 1 | ??3.21 | ??257.62 |
| Avermectin 1: emamectin-benzoate 5 | ??0.88 | ??579.63 |
| Avermectin 1: emamectin-benzoate 10 | ??0.64 | ??308.63 |
| Avermectin 1: emamectin-benzoate 20 | ??0.43 | ??246.63 |
| Avermectin | ??41.74 | |
| Emamectin-benzoate | ??0.27 |
As can be seen, Avermectin and emamectin-benzoate are composite from table 1, table 2, and very high synergistic effect is arranged, and wherein with Avermectin: emamectin-benzoate is 1: 1-1: 10 scopes are more effective.
Embodiment
Below by specific embodiment technical scheme of the present invention is described in detail.
Embodiment 1
According to Avermectin 1%, emamectin-benzoate 3%, emulsifier 160 18%, emulsifier No. 500 6%, surplus is the weight proportion relation of toluene, is mixed with missible oil.
This compounded cream medicament is by 5000 times of dilution spraying diamond-back moths, 72 hours control efficiency are 97.6% behind the medicine, 3000 times of 4000 times of 1% abamectin emulsifiable concentrate dilutions and the dilutions of 3% emamectin-benzoate missible oil, according to using with quadrat method, 72 hours control efficiency are respectively 61.0% and 82.3% behind the medicine respectively.
This compounded cream medicament is by 4000 times of dilution spraying rice leaf roller, 72 hours control efficiency are 96.3% behind the medicine, 3000 times of 1000 times of 1% abamectin emulsifiable concentrate dilutions and the dilutions of 3% emamectin-benzoate missible oil, according to using with quadrat method, 72 hours control efficiency are respectively 48.3% and 79.67% behind the medicine respectively.
Embodiment 2:21% Avermectin emamectin-benzoate water dispersible granules comprises following component by weight:
Avermectin 1%
Emamectin-benzoate 20%
Sodium lignin sulfonate 6%
PO-EO block polyether 4%
Lauryl sodium sulfate 3%
Ammonium sulfate 5%
The precipitated calcium carbonate surplus
Above-mentioned active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, become wetting powder through comminution by gas stream, add a certain amount of water mixing extruder grain again, obtain 21% Avermectin emamectin-benzoate water dispersible granules after the drying screening.
This composite water dispersible granules is by 18000 times of dilution spraying diamond-back moths, 72 hours control efficiency are 95.5% behind the medicine, 15000 times of 600 times of 1% Avermectin water dispersible granules dilutions and 20% emamectin-benzoate water-dispersible grain dilution agents, according to using with quadrat method, 72 hours control efficiency are respectively 68.3% and 87.8% behind the medicine respectively.
This composite water dispersible granules is by 18000 times of dilution spraying rice leaf roller, 72 hours control efficiency are 96.7% behind the medicine, 15000 times of 600 times of 1% Avermectin water dispersible granules dilutions and 20% emamectin-benzoate water-dispersible grain dilution agents, according to using with quadrat method, 72 hours control efficiency are respectively 61.5% and 83.6% behind the medicine respectively.
Embodiment 35% Avermectin emamectin-benzoate missible oil comprises following component by weight:
Avermectin 3%
Emamectin-benzoate 2%
Calcium dodecyl benzene sulfonate 4%
Triphenylethylene base APEO 4%
Isopropyl alcohol 3%
The dimethylbenzene surplus
Above-mentioned active component, emulsifier and auxiliary agent are pressed formula rate add in the mixing kettle, evenly stir, make 5% Avermectin emamectin-benzoate missible oil.
This embodiment medicament is applied to prevent and treat the Panonychus citri on the tribute tangerine, by 6000 extraordinarily water dilution sprayings, 15 days control efficiency are 96.3% behind the medicine, 2000 times of 5000 times of 3% Avermectin suspending agent dilutions and the dilutions of 2% emamectin-benzoate missible oil, use respectively with quadrat method and use, behind the medicine 15 days, control efficiency was respectively 81.5% and 70.3%, significant difference.
Embodiment 4 5% Avermectin emamectin benzoate suspending agents comprise following component by weight:
Avermectin 3%
Emamectin-benzoate 2%
Alkylaryl polyoxyethylene polyoxypropylene ether 5%
Poly-naphthaldehyde sulfonate sodium 5%
Ethylene glycol 3%
Xanthans 0.8%
Water surplus
Above-mentioned active component, dispersant, wetting agent and water are mixed by formula rate, after high speed shear, obtain 5% Avermectin emamectin benzoate suspending agent.
This embodiment is applied to prevent and treat the Panonychus citri on the sweet orange, with 5% Avermectin emamectin benzoate suspending agent according to 5000 extraordinarily water dilution sprayings, 15 days control efficiency are 96.5% behind the medicine, 3000 times of 5000 times of 3% Avermectin suspending agent dilutions and the dilutions of 2% emamectin-benzoate missible oil, with using with quadrat method, 15 days control efficiency are respectively 79.8 and 76.7%, significant difference behind the medicine.
Embodiment 5 6% Avermectin emamectin-benzoate water dispersible granules comprise following component by weight:
Avermectin 3%
Emamectin-benzoate 3%
Sodium lignin sulfonate 6%
PO-EO block polyether 4%
Lauryl sodium sulfate 3%
Ammonium sulfate 5%
The precipitated calcium carbonate surplus
Above-mentioned active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, become wetting powder through comminution by gas stream, add a certain amount of water mixing extruder grain again, obtain 6% Avermectin emamectin-benzoate water dispersible granules after the drying screening.
Be applied to prevent and treat the Tetranychus cinnabarinus on the eggplant, the present embodiment compound drug is pressed 15000 extraordinarily water dilution sprayings, 15 days control efficiency are 96.7% behind the medicine, 2000 times of 5000 times of 3% Avermectin water dispersible granules dilutions and 3% emamectin-benzoate water-dispersible grain dilution agents, with using with quadrat method, 15 days control efficiency are respectively 79.3% and 84.1%, significant difference behind the medicine.
Use the Tetranychus cinnabarinus on the control tomato, the present embodiment compound drug is pressed 15000 extraordinarily water dilution sprayings, 15 days control efficiency are 96.6% behind the medicine, 2000 times of 5000 times of 3% Avermectin suspending agent dilutions and the dilutions of 3% emamectin-benzoate missible oil, use uses the same method, 15 days control efficiency are respectively 83.3% and 85.2%, significant difference behind the medicine.
Embodiment 6 4% Avermectin emamectin-benzoate aqueous emulsions,
Comprise following component by weight:
Avermectin 3%
Emamectin-benzoate 1%
Calcium dodecyl benzene sulfonate 4%
Styrene 4%
Xanthans 1%
Ethylene glycol 1%
The deionized water surplus
Above-mentioned active component, emulsifier and the thickener ratio in prescription is added in the blender successively, stir, make 4% Avermectin emamectin-benzoate aqueous emulsion.
This embodiment is applied to prevent and treat the Panonychus citri on the oranges and tangerines, by 4000 extraordinarily water dilution sprayings, 15 days control efficiency are 92.2% behind the medicine, 2000 times of 5000 times of 3% Avermectin suspending agent dilutions and the dilutions of 1% emamectin-benzoate missible oil, use uses the same method, 15 days control efficiency are respectively 83.1% and 73.7%, significant difference behind the medicine.
This embodiment is applied to prevent and treat the Tetranychus cinnabarinus on the tomato, this prescription is by 4000 extraordinarily water dilution sprayings, 15 days control efficiency are 93.8% behind the medicine, 2000 times of 6000 times of 3% Avermectin suspending agent dilutions and the dilutions of 1% emamectin-benzoate missible oil, with using with quadrat method, 15 days control efficiency are respectively 85.3% and 86.8%, significant difference behind the medicine.
Embodiment 7 3.2% Avermectin emamectin-benzoate granules comprise following component by weight:
Avermectin 3% emamectin-benzoate 0.2%
Binding agent 10% agricultural chemicals stabilizing agent 2% pH value conditioning agent 0.1%
Pigment 0.5% castor-oil plant (or peanut or soybean) seed expelleers oily powder surplus
Carry out field trial, select to take place certain experiment in period of root-knot nematode, experimental result is as shown in table 3.The experimental data of this embodiment medicament of table 3
| Medicament | The mu consumption | Behind the control efficiency 10d |
| 3.2% Avermectin emamectin-benzoate granule | ??1kg | ??94.47％ |
| 3% Avermectin granule | ??3kg | ??82.13％ |
| 0.2% emamectin-benzoate granule | ??4kg | ??70.03％ |
Embodiment 8 6% Avermectin emamectin-benzoate missible oil comprise following component by weight:
Avermectin: 4% emamectin-benzoate: 2% cosolvent: 5%
Emulsifier: 30% dimethylbenzene: surplus
Carry out field trial, select to take place certain experiment in period of root-knot nematode, experimental result is as shown in table 4.
The experimental data of this embodiment medicament of table 4
| Medicament | The mu consumption | Behind the control efficiency 10d |
| 6% Avermectin emamectin-benzoate missible oil | ??0.5kg | ??96.88％ |
| 4% abamectin emulsifiable concentrate | ??1.5kg | ??84.62％ |
| 2% emamectin-benzoate missible oil | ??1.5kg | ??74.96％ |
Claims (7)
1, a kind of composite of insecticides, miticides and nematicide with synergistic function, active ingredient comprises Avermectin and emamectin-benzoate, it is characterized in that the weight ratio of Avermectin and emamectin-benzoate is an Avermectin in the said composition: emamectin-benzoate=20: 1-1: 20.
2. composition according to claim 1 is characterized in that, the weight ratio of described Avermectin and emamectin-benzoate is an Avermectin: emamectin-benzoate=1: 1-1: 10.
3. composition according to claim 1 and 2 is characterized in that, the weight percentage of described active ingredient is 1%-85%.
4. composition according to claim 3 is characterized in that, the weight percentage of described active ingredient is 1%-30%.
5. composition according to claim 1 and 2 is characterized in that described combination dosage form comprises missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder and water dispersible granules.
6. composition according to claim 1 is characterized in that, described composition is used for desinsection, kills mite, nematicide.
7. composition according to claim 6 is characterized in that described composition is used to prevent and treat diamond-back moth, rice leaf roller, citrus red mite, root knot nematode.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103609571A (en) * | 2013-11-30 | 2014-03-05 | 海利尔药业集团股份有限公司 | Emamectin benzoate and abamectin containing pesticidal composition |
| CN104982444A (en) * | 2015-07-13 | 2015-10-21 | 山东农业大学 | Pesticide composition for controlling nematodes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440652A (en) * | 2003-04-04 | 2003-09-10 | 于建垒 | Granulated abamectin nematocide |
| CN101366387A (en) * | 2008-09-18 | 2009-02-18 | 陈章艳 | Agricultural chemical composition |
-
2009
- 2009-08-18 CN CN200910018031A patent/CN101627762A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1440652A (en) * | 2003-04-04 | 2003-09-10 | 于建垒 | Granulated abamectin nematocide |
| CN101366387A (en) * | 2008-09-18 | 2009-02-18 | 陈章艳 | Agricultural chemical composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103609571A (en) * | 2013-11-30 | 2014-03-05 | 海利尔药业集团股份有限公司 | Emamectin benzoate and abamectin containing pesticidal composition |
| CN104982444A (en) * | 2015-07-13 | 2015-10-21 | 山东农业大学 | Pesticide composition for controlling nematodes |
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