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CN103250726B - Indoxacarb-containing insect disinfestation composition - Google Patents

Indoxacarb-containing insect disinfestation composition Download PDF

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CN103250726B
CN103250726B CN201210037042.3A CN201210037042A CN103250726B CN 103250726 B CN103250726 B CN 103250726B CN 201210037042 A CN201210037042 A CN 201210037042A CN 103250726 B CN103250726 B CN 103250726B
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indoxacarb
pyridaben
dispenser
tea tree
effect
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CN103250726A (en
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田生荣
任太军
曹明章
王新军
杨立平
李广泽
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Shenzhen Novozon Crop Science Co ltd
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Shenzhen Noposion Agrochemicals Co Ltd
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Abstract

The present invention relates to an indoxacarb-containing insect disinfestation composition, which comprises effective components such as indoxacarb and pyridaben, wherein a mass ratio of the indoxacarb to the pyridaben is 50:1-1:50. The composition can be processed into a water dispersible granule, a suspension, a water emulsion, an emulsifiable concentrate, a micro-emulsion, a microcapsule suspension or wettable powder, and can be provided for prevention and control of agricultural pests, particularly for tea tree pest empoasca flavescens.

Description

A kind of Pesticidal combination that contains indoxacarb
Technical field
The present invention relates to a kind of Pesticidal combination, especially a kind of Pesticidal combination and application thereof that contains indenes worm one-tenth.
Background technology
Smaller green leaf hopper is that tea district of China generally occurs, harmfulness is large and the primary pest of keypoint control, wherein serious with the harm of false eye leafhopper (Empoasca vitis Gothe).The existing correlative study report about indoxacarb single dose control smaller green leaf hopper at present, but the lasting period of its control is partially short, and use cost is higher, in order to delay its pesticide resistance, extend the service life of this medicine, the necessary efficient insecticide composition that a kind of applicable control smaller green leaf hopper is provided.
Indoxacarb (indoxacarb) is a kind of Xin Xing oxadiazine insecticides, its mechanism of action is by irreversibly blocking the sodium-ion channel in insect nerve cell, destroys the nerve impulse transmission of insect, causes target pest ataxia, stop taking food, paralysis is also final dead.Have and tag and stomach toxicity function, with other insecticides without cross resistance.
Pyridaben (pyridaben), has another name called pyridaben, is a kind of heterocyclic miticide, and tagging property is strong, and quick-acting is good, and the lasting period is long.
At present there is not yet and disclose for preventing and treating the report of smaller green leaf hopper about indoxacarb and pyridaben are composite.
Summary of the invention
The object of the invention is to: provide a kind of indenes worm to become and pyridaben Pesticidal combination, while use separately to solve indoxacarb, dosage is large, cost is high, easily produce the practical problem such as resistance and residue of pesticide.
For solving the problems of the technologies described above, inventor, by a large amount of biologicall test screenings, finds that indoxacarb and pyridaben are composite in certain proportion, tea lesser leafhopper and false eye leafhopper are had significant synergies, and drug effect duration significant prolongation.On the basis of above-mentioned discovery, through composition being carried out to symphyogenetic quantitative analysis and other a large amount of formulation screening tests, form technical scheme of the present invention.Using indoxacarb as a kind of active ingredient, using pyridaben as another active ingredient, the mass ratio of indoxacarb and pyridaben is 50: 1~1: 50, and preferably ratio is 10: 1~1: 10.
The present composition can be according to the crop of required control, environmental condition of living in, prevent and treat the various factors such as method, cost accounting, active ingredient is processed into together with carrier (filler) to acceptable any one formulation in pesticides application with auxiliary agent, preferred dosage form is water dispersible granules, suspending agent, aqueous emulsion, missible oil, microemulsion, micro-capsule suspension or wetting powder.Wherein adjuvant used, carrier and process technology are all known.
The present composition compared with the existing technology, has significant economic benefit and Environmental Role:
1 indoxacarb and pyridaben are composite by a certain percentage has notable synergistic effect afterwards to insect;
2. the different mechanisms of action of two kinds of active ingredients in composition, can delay or overcome the generation of pest resistance to insecticide, and extend the service life of indoxacarb;
3. there is the Pesticidal combination of synergistic effect, can reduce field dosage, effectively reduce environmental pollution and residue of pesticide, reduce the harm to beneficial organism.
4. test shows that this combination can effectively reduce the use cost of indoxacarb single dose.
Embodiment
The combination of active principles of different agricultural chemicals is prepared to Recompounded pesticide, is effectively and the efficiently approach of one of developing at present novel pesticide and the upper resistant insect of control agricultural.The agricultural chemicals of different cultivars shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing conventionally.
Inventor, by a large amount of screening tests, finds that indoxacarb and pyridaben have obvious synergistic function with certain proportion combination to smaller green leaf hopper, concrete following face biologicall test example explanation.Mode of application is judged abundant co-toxicity coefficient (CTC) method proposing that waits of Sun Yun that adopts.The computing formula of co-toxicity coefficient is as follows:
Actual measurement toxicity index (ATI)=(standard medicament LC 50/ reagent agent LC 50) × 100
The percentage composition of B in percentage composition+B medicament ATI × mixture of A in theoretical toxicity index (TTI)=A medicament ATI × mixture
Co-toxicity coefficient (CTC)=[the theoretical toxicity index of mixture actual measurement toxicity index (ATI)/mixture (TTI)] × 100
When CTC≤80, composition performance is for antagonism, and as 80 < CTC < 120, composition performance is for summation action, and when CTC >=120, composition performance is synergistic effect.
Biologicall test example 1: indoxacarb and pyridaben are composite to tea tree false eye leafhopper Toxicity Determination
Subjects: tea tree false eye leafhopper (Empoasca vitis Gothe)
Test medicine: 94% indoxacarb, 95% pyridaben
Test method: adopt leaf dipping method with reference to " the agricultural industry criteria NY/T1154.6 of the People's Republic of China (PRC), 7,14-2009 ".
The serial proportioning of table 1 indoxacarb and pyridaben is to false eye leafhopper test determination result
Process EC 50(μg/mL) ATI TTI Co-toxicity coefficient CTC
Indoxacarb 15.35 100.00 / /
Pyridaben 40.32 38.07 / /
Indoxacarb 50: pyridaben 1 11.14 137.79 98.79 139.49
Indoxacarb 20: pyridaben 1 10.24 149.90 97.05 154.46
Indoxacarb 10: pyridaben 1 5.38 285.32 94.37 302.34
Indoxacarb 5: pyridaben 1 6.75 227.41 89.68 253.58
Indenes worm becomes 1: pyridaben 1 10.34 148.45 69.04 215.04
Indoxacarb 1: pyridaben 5 15.31 100.26 48.39 207.19
Indoxacarb 1: pyridaben 10 15.24 100.72 43.70 230.48
Indoxacarb 1: pyridaben 20 23.64 64.93 41.02 158.30
Indoxacarb 1: pyridaben 50 27.14 56.56 39.28 143.97
The result of table 1 co-toxicity test shows, indoxacarb and pyridaben composite in the ratio range of 50: 1~1: 50 the co-toxicity coefficient CTC to false eye leafhopper joint toxicity measuring be all greater than 120, there is synergistic effect.Especially in the ratio range of 10: 1~1: 10, CTC is all greater than 200, and synergistic effect is remarkable.
In order to make object of the present invention, technical scheme and advantage clearer, the present invention further describes with following concrete field trial example, but the present invention is not limited only to example below.If no special instructions, the ratio (comprising percentage) of below mentioning is all mass ratio.
Embodiment 1:51% indoxacarb pyridaben water dispersible granules (indoxacarb: pyridaben=50: 1)
Figure BSA00000672051700041
Active ingredient, dispersant, wetting agent, disintegrant and filler are mixed in the ratio of formula, become wetting powder through air-flow crushing, then add a certain amount of water mixing extruding to make material.After drying screening, obtain 51% indoxacarb pyridaben water dispersible granules.
By 15% indoxacarb missible oil, 15% pyridaben missible oil, 51% indoxacarb pyridaben water dispersible granules is used for preventing and treating tea tree false eye leafhopper, after dispenser, the control efficiency of 1 day is respectively 82.31%, 78.21% and 84.12%, after dispenser 3 days, the preventive effect of each medicament is respectively 91.02%, 82.35% and 93.08%, after dispenser 7 days, the preventive effect of each medicament is respectively 87.14%, 75.32% and 90.34%, after dispenser 12 days, preventive effect is respectively 82.62%, 68.54% and 85.34%, the composite rear synergistic effect of indoxacarb and pyridaben is obvious, to the control efficiency of tea tree false eye leafhopper, quick-acting and lasting effect are all significantly better than each single dose.
The field control effect of table 2 the present embodiment to tea tree false eye leafhopper
Figure BSA00000672051700042
Figure BSA00000672051700051
Embodiment 2:22% indoxacarb Damanling suspension agent (indoxacarb: pyridaben=10: 1)
Figure BSA00000672051700052
Active component, dispersant, wetting agent and water are mixed in the ratio of formula, after grinding and high speed shear, obtain 22% indoxacarb Damanling suspension agent.
By 15% indoxacarb missible oil, 15% pyridaben missible oil, 22% indoxacarb Damanling suspension agent is for the control of tea tree false eye leafhopper, after dispenser, the control efficiency of 1 day is respectively 85.16%, 75.42% and 90.16%, after dispenser 3 days, the preventive effect of each medicament is respectively 90.28%, 80.21% and 95.81%, after dispenser 7 days, the preventive effect of each medicament is respectively 86.04%, 73.68% and 90.46%, after dispenser 12 days, preventive effect is respectively 80.43%, 54.07% and 87.27%, the composite rear synergistic effect of indoxacarb and pyridaben is obvious, to the control efficiency of tea tree false eye leafhopper, quick-acting and lasting effect are all significantly better than each single dose.
The field control effect of table 3 the present embodiment to tea tree false eye leafhopper
Figure BSA00000672051700053
Figure BSA00000672051700061
Embodiment 3:22% indoxacarb pyridaben missible oil (indoxacarb: pyridaben=10: 1)
The percentage by weight of component is:
Figure BSA00000672051700062
By indoxacarb and the former medicine of pyridaben, emulsifier and cosolvent etc., add successively mixing kettle by formula rate, stir, obtain 22% indoxacarb pyridaben missible oil.
By 15% indoxacarb missible oil, 15% pyridaben missible oil, 22% indoxacarb pyridaben missible oil is used for preventing and treating tea tree false eye leafhopper, after dispenser, the control efficiency of 1 day is respectively 82.24%, 73.63% and 89.27%, after dispenser 3 days, the preventive effect of each medicament is respectively 91.34%, 82.14% and 92.07%, after dispenser 7 days, the preventive effect of each medicament is respectively 82.14%, 78.85% and 94.01%, after dispenser 12 days, preventive effect is respectively 75.38%, 64.31% and 86.82%, the composite rear synergistic effect of indoxacarb and pyridaben is obvious, to the control efficiency of tea tree false eye leafhopper, quick-acting and lasting effect are all significantly better than each single dose.
The field control effect of table 4 the present embodiment to tea tree false eye leafhopper
Figure BSA00000672051700063
Embodiment 4:24% indoxacarb pyridaben aqueous emulsion (indoxacarb: pyridaben=5: 1)
The percentage by weight of component is:
Figure BSA00000672051700071
First by former medicine, solvent, the emulsifiers dissolve of indoxacarb and pyridaben, then mix with water, and through the high-speed stirred of reactor and the high speed shear of clipper, make 24% indoxacarb and pyridaben aqueous emulsion.
By 15% indoxacarb missible oil, 15% pyridaben missible oil, 24% indoxacarb pyridaben aqueous emulsion is for the control of tea tree false eye leafhopper, after dispenser, the control efficiency of 1 day is respectively 80.15%, 79.38% and 92.21%, after dispenser 3 days, the preventive effect of each medicament is respectively 89.64%, 80.67% and 97.35%, after dispenser 7 days, the preventive effect of each medicament is respectively 92.37%, 72.46% and 93.04%, after dispenser 12 days, preventive effect is respectively 82.41%, 48.38% and 90.21%, the composite rear synergistic effect of indoxacarb and pyridaben is obvious, to the control efficiency of tea tree false eye leafhopper, quick-acting and lasting effect are all significantly better than each single dose.
The field control effect of table 5 the present embodiment to tea tree false eye leafhopper
Figure BSA00000672051700072
Embodiment 5:20% indoxacarb pyridaben micro-emulsion (indoxacarb: pyridaben=1: 1)
The percentage by weight of component is:
Figure BSA00000672051700081
Former medicine, cosolvent, emulsifier are added together, make to be dissolved into even oil phase, under stirring, be slowly added to the water, then through the rapid phase inversion of agitating heating, make 20% indoxacarb pyridaben micro-emulsion after being chilled to room temperature.
By 15% indoxacarb missible oil, 15% pyridaben missible oil, 20% indoxacarb pyridaben micro-emulsion is used for preventing and treating tea tree false eye leafhopper, after dispenser, the control efficiency of 1 day is respectively 81.37%, 70.28% and 90.42%, after dispenser 3 days, the preventive effect of each medicament is respectively 89.51%, 83.24% and 96.38%, after dispenser 7 days, the preventive effect of each medicament is respectively 88.42%, 80.73% and 94.97%, after dispenser 12 days, preventive effect is respectively 81.47%, 62.64% and 88.35%, it is obvious with the composite rear synergistic effect of pyridaben that indenes worm becomes, to the control efficiency of tea tree false eye leafhopper, quick-acting and lasting effect are all significantly better than each single dose.
The field control effect of table 6 the present embodiment to tea tree false eye leafhopper
Figure BSA00000672051700082
Embodiment 5:22% indoxacarb pyridaben micro-capsule suspension (indoxacarb: pyridaben=1: 10)
The percentage by weight of component is:
Figure BSA00000672051700091
Former medicine, the emulsifying dispersant of indoxacarb and pyridaben are mixed to stirring and be made into the stable breast of O/W type, and add the polymerization of urea aldehyde tree resin prepolymer to form microcapsule granule, can obtain 22% stable indoxacarb pyridaben micro-capsule suspension
By 15% indoxacarb missible oil, 15% pyridaben missible oil, 22% indoxacarb pyridaben micro-capsule suspension is used for preventing and treating tea tree false eye leafhopper, after dispenser, the control efficiency of 1 day is respectively 82.24%, 73.63% and 90.42%, after dispenser 3 days, the preventive effect of each medicament is respectively 91.34%, 82.14% and 96.38%, after dispenser 7 days, the preventive effect of each medicament is respectively 82.14%, 78.85% and 94.97%, after dispenser 12 days, preventive effect is respectively 75.38%, 64.31% and 88.35%, the composite rear synergistic effect of indoxacarb and pyridaben is obvious, to the control efficiency of tea tree false eye leafhopper, quick-acting and lasting effect are all significantly better than each single dose.
The field control effect of table 7 the present embodiment to tea tree false eye leafhopper
Figure BSA00000672051700101
Embodiment 6:51% indoxacarb pyridaben wetting powder (indoxacarb: pyridaben=1: 50)
The percentage by weight of component is:
Figure BSA00000672051700102
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of formula, after ultra-fine pulverizer disintegrating, obtain 51% indoxacarb pyridaben wetting powder.
15% indoxacarb missible oil, 15% pyridaben missible oil, 51% indoxacarb pyridaben wetting powder are used for preventing and treating tea tree false eye leafhopper.After dispenser, the control efficiency of 1 day is respectively 83.76%, 70.74% and 95.36%, after dispenser 3 days, the preventive effect of each medicament is respectively 91.26%, 83.24% and 96.87%, after dispenser 7 days, the preventive effect of each medicament is respectively 85.64%, 75.67% and 92.64%, after dispenser 12 days, preventive effect is respectively 79.54%, 50.63% and 80.37%, the composite rear synergistic effect of indoxacarb and pyridaben is obvious, and control efficiency, quick-acting and lasting effect to tea tree false eye leafhopper are all significantly better than each single dose.
The field control effect of table 8 the present embodiment to tea tree false eye leafhopper
Figure BSA00000672051700111
After indoxacarb and pyridaben are composite, control efficiency, quick-acting and the lasting effect of various formulations to tea tree false eye leafhopper is all significantly better than single dose.This significantly delays the drug-fast generation of tea tree smaller green leaf hopper and reduces cost accounting significant to reducing medication number of times.

Claims (4)

1. a Pesticidal combination of preventing and treating smaller green leaf hopper, is characterized in that: active component is made up of indoxacarb and pyridaben, and the weight ratio between two kinds of active components is 50: 1~1: 50.
2. Pesticidal combination according to claim 1, is characterized in that in composition, the weight ratio of indoxacarb and pyridaben is 10: 1~1: 10.
3. the Pesticidal combination described in 1 as requested, is characterized in that: the formulation of described Pesticidal combination is water dispersible granules, suspending agent, aqueous emulsion, missible oil, microemulsion, micro-capsule suspension or wetting powder.
4. the purposes of the Pesticidal combination described in claims 1 to 3 for preventing and treating Pests of Tea-Plants smaller green leaf hopper.
CN201210037042.3A 2012-02-16 2012-02-16 Indoxacarb-containing insect disinfestation composition Active CN103250726B (en)

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CN103053580B (en) * 2012-12-29 2015-05-20 广东中迅农科股份有限公司 Insecticidal composition of indoxacarb and pyridaben

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CN101077072A (en) * 1996-04-29 2007-11-28 诺瓦蒂斯公司 Pesticide composition
CN101502268A (en) * 2009-03-12 2009-08-12 深圳诺普信农化股份有限公司 Pesticide composition containing Thiamethoxam and Pyridaben and use thereof
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