CN104068040B - Clothianidin and worm hydrazides complex insecticidal composition - Google Patents
Clothianidin and worm hydrazides complex insecticidal composition Download PDFInfo
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- CN104068040B CN104068040B CN201410341663.XA CN201410341663A CN104068040B CN 104068040 B CN104068040 B CN 104068040B CN 201410341663 A CN201410341663 A CN 201410341663A CN 104068040 B CN104068040 B CN 104068040B
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- clothianidin
- worm hydrazides
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Abstract
The invention belongs to technical field of agricultural insecticide, particularly a kind of clothianidin and worm hydrazides complex insecticidal composition.Its active ingredient is clothianidin and worm hydrazides, and both weight ratios are 1:4 ~ 8, preferred 1:5 ~ 7.The present invention is made up of the active ingredient of different mechanism of action, and action site increases, and is conducive to overcoming and delay the drug-fast generation of insect pest, and has widened insecticidal spectrum; Drug effect increases substantially, and the preventive effect time is long, and the field rate of active ingredient declines, and reduces production and use cost, reduces residue of pesticide and environmental pollution.
Description
Technical field
The invention belongs to technical field of agricultural insecticide, particularly a kind of clothianidin and worm hydrazides complex insecticidal composition.
Background technology
Clothianidin is a kind of insecticide in anabasine, is the novel pesticide of highly effective and safe, high selectivity, and its effect is similar with nAChR, have tag, stomach toxicity and systemic activity.To be mainly used on paddy rice, vegetables, fruit tree and other crops anti-ly eliminating aphis, leafhopper, thrips, the Semiptera such as plant hopper, coleoptera, diptera and some Lepidoptera class pest insecticide, have efficient, wide spectrum, consumption are few, toxicity is low, the drug effect lasting period long, to crop without poisoning, use safety and conventional pesticide without advantages such as cross resistances, having remarkable interior suction and osmosis, is the another new varieties of alternative high-toxic organic phosphorus agricultural chemicals.Its novel structure, special, performance is more excellent compared with traditional nicotinic insecticide, and likely become international large-scale insecticide variety.
Worm hydrazides is on-steroidal Novel insect growth regulator, is the insect hormone insecticides of up-to-date research and development.Tebufenozide pesticide activity is high, and selectivity is strong, and all effective to all lepidopterous larvaes, antagonism insect cotton bollworm, cabbage caterpillar, diamond-back moth, beet armyworm etc. have special efficacy.And have extremely strong ovicidal activity, safer to non-target organism.Worm hydrazides is to eyes and no skin irritation, to higher mammal without teratogenesis, carcinogenic, mutagenesis, all fool proof to mammal, birds, natural enemy.
Often there is defect in various degree in the insecticide variety containing single-activity component, as dosage major pest easily develops immunity to drugs, insecticidal range is narrow, and application times adds heavily environmental pollution etc. in Agriculture Field Pests control.The insect of resistance is agriculturally produced for control, a kind of way be release new for the new component of existing kind without cross resistance.But the development cost of new active ingredient is high, and the construction cycle is long, and forever all do not catch up with the speed that insect produces resistance.Other way such as crop structure adjustment, different agricultural chemicals rotations etc., in the process of practical operation, be difficult to really play obvious effect.
Summary of the invention
For solving the problem, the invention provides that a kind of insecticidal spectrum is wide, cost is low, have the complex insecticidal composition of synergistic effect.
Technical scheme of the present invention is: a kind of clothianidin and worm hydrazides complex insecticidal composition, and its active ingredient is clothianidin and worm hydrazides.
The weight ratio of described active ingredient clothianidin and worm hydrazides is 1:4 ~ 8, preferred 1:5 ~ 7, and more preferred ratio is 1:6.
Above-mentioned active ingredient clothianidin and worm hydrazides are all insecticides well known in the art, can be buied by various commercial channel.
According to the needs used, add the conventional auxiliary materials such as pesticide field surfactant, carrier, antifreezing agent, thickener or disintegrant, composition can be made wetting powder or water dispersible granules or aqueous suspension agent or oil-suspending agent.
Clothianidin of the present invention and worm hydrazides complex insecticidal composition, can be used for preventing and treating the lepidoptera pest such as cabbage caterpillar, diamond-back moth on fruit tree egger, mite class, vegetables, and aphid etc., drug effect increases substantially, the field rate of active ingredient reduces, thus reach reduce costs, decreasing pollution, reduction pest resistance to insecticide, extend the object of preventive effect time.
Beneficial effect of the present invention is:
1, the present invention is made up of the active ingredient of different mechanism of action, and action site increases, and is conducive to overcoming and delay the drug-fast generation of insect pest, and has widened insecticidal spectrum;
2, drug effect of the present invention increases substantially, and the preventive effect time is long, and the field rate of active ingredient declines, and reduces production and use cost, reduces residue of pesticide and environmental pollution.
Embodiment
The present invention is illustrated below in conjunction with embodiment.
First clothianidin and the composite rear co-toxicity bioassay test of worm hydrazides is adopted to prove that both strengthen composite rear drug effect.
One, test method
Clothianidin, worm hydrazides acetone diluted are become series concentration, for subsequent use.Virulence test adopts stomach toxicity experimental method.Gather fresh cabbage leaves card punch and make leaf dish (d=1.6cm), immerse the liquid 5S diluted, put into the culture dish (paving same diameter filter paper) of R=9cm, access under 25 DEG C of conditions hungry 4h 2 ~ 3 age cabbage caterpillar, often process 20, every concentration repeats 3 times, if blank.Put in illumination box (25 ± 2 DEG C, RH=75%, L:D=14:10).Dead borer population is checked in 24h, 48h, 72h, 96h.Touch polypide with writing brush, larva is motionless is death.
Two, data survey and statistical analysis
Adopt the co-toxicity coefficient method representation that Sun Yun is abundant: experimental data probability value analytical method is analyzed, by Abbott formula correction lethality, logarithm conversion is carried out again after extension rate being converted into percent concentration, corrected mortality does probit value conversion and obtains virulence regression equation Y=a+bx, then obtains LC50 according to virulence regression equation.Calculate the actual toxicity index of mixture and theoretical toxicity index, and obtain the co-toxicity coefficient CTC of mixture, according to the synergistic effect that co-toxicity coefficient CTC evaluates mixture, determine optimum proportioning.Computing formula is as follows:
The ratio of toxicity index × B in mixture of the ratio+B of toxicity index × A in mixture of the toxicity index theoretical values=A of mixture.
According to the symphyogenetic co-toxicity coefficient criteria for classifying of mixed insecticide: co-toxicity coefficient (CTC) >=100 shows as synergistic effect; CTC≤80 show as antagonism; 80 < CTC < 100 show as summation action.
Result of the test is as shown in table 1:
The co-toxicity coefficient of table 1 clothianidin and the composite mixture of worm hydrazides
Can be found out by the data of table 1: clothianidin: during worm hydrazides=1:4 ~ 8, co-toxicity coefficient is higher than 100, there is synergistic effect, especially when 1:5 ~ 7, apparently higher than 120, there is obvious synergistic effect, when 1:6, synergistic effect is more obvious, proves that technical scheme provided by the invention has synergistic effect to cabbage caterpillar.
Below adopt field efficacy small plot experiment method, proof clothianidin and worm hydrazides are used in land for growing field crops and are had synergistic effect to desinsection further, and can use in land for growing field crops.
One, experimental condition
1, subjects and trial crops
Subjects: cabbage caterpillar
Trial crops: wild cabbage
2, environmental condition
Field trial causes harm serious insect and the crop that degree is consistent carries out.Select representational, physical features be smooth, the outdoor wild cabbage ground of fertility level uniformity.
Two, experimental scheme
1, medicament
1.1, test medicine
Select the medicament that following examples 1-4 is obtained.
1.2, medicament is contrasted
Comparative example 1 medicament: 20% worm hydrazides aqueous suspension agent
Comparative example 2 medicament: 50% clothianidin water dispersible granules
1.3, blank
If do not use the blank of any medicament
2, community arranges
Community arranges: the community of test medicine, contrast medicament and blank processes and adopts random district group to arrange.
Plot area and repetition: every plot area 10m
2, every community fixed point investigation 10 strain wild cabbage.
Number of repetition: each process repeats 4 times.
3, investigation records
3.1, investigation method
Diagonal 5 sampling is adopted, often some investigation 3 blades, altogether selected 15 leaves, before the test listing marks in each process community.
3.2, control time and number of times
Radix is investigated: before dispenser process
Second time investigation: after dispenser process 1d
Third time investigation: after dispenser process 3d
4th investigation: after dispenser process 7d
3.3, drug effect computational methods
Drug effect calculates by with following formula 1, formula 2
4, on the impact of crop
4.1, chemical injury of crops is affected
Chemicals treatment district and blank district are compared, evaluates poisoning: plant growth is normal, substantially affects without poisoning.
4.2, other biological is affected
On ambient water, soil, air etc. substantially without impact, Oral toxicity is tested, nontoxic to its mouse oral reality.
5, result
Carry out significance test by DMRT (the new multipole of Deng Kenshi is poor) method, evaluate preventive effect.
The present invention is illustrated below in conjunction with embodiment.In embodiment, percentage is all weight percentage, and the treatment dosage of field efficacy is effective ingredient consumption.
Embodiment 1:(60% clothianidin worm hydrazides wetting powder)
Component and content: clothianidin, 10%; Worm hydrazides, 50%; Dispersant selects methyl how sulfonic formaldehyde condensation compound sulphate (NNO), 3%; Wetting agent is selected and is pulled open powder, 2.5%; Carrier selects kaolin, surplus.
The preparation method of embodiment 1 is: the component provided by embodiment and percentage by weight thereof, clothianidin, worm hydrazides, dispersant, wetting agent and carrier is mixed, and after airslide disintegrating mill is pulverized, mixing obtains wetting powder again.Capital equipment has mixer, airslide disintegrating mill.
Embodiment 2:(50% clothianidin worm hydrazides water dispersible granules)
Component and content: clothianidin, 8%; Worm hydrazides, 42%; Dispersant selects polycarboxylate, 7%; Lauryl sodium sulfate, 3% selected by wetting agent; Corn starch, 15% selected by disintegrant; Carrier selects diatomite, surplus.
The preparation method of above-described embodiment 2 is: the component provided by embodiment and percentage by weight thereof, clothianidin, worm hydrazides, wetting agent, dispersant, disintegrant and carrier are mixed, after airslide disintegrating mill is pulverized, then through adding water mixing, extruder grain, oven dry i.e. obtained water dispersible granules.Capital equipment has mixer, airslide disintegrating mill, comminutor.
Embodiment 3:(35% clothianidin worm hydrazides aqueous suspension agent)
Component and content: clothianidin, 5%; Worm hydrazides, 30%; Dispersant selects naphthalene sulfonate, 3%; Polyoxyethylene nonylphenol ether, 2% selected by wetting agent; Propane diols, 4% selected by antifreezing agent, and xanthans, 0.2% selected by thickener, and carrier selects running water, surplus.
The preparation method of above-described embodiment 3 is: the component provided by embodiment and percentage by weight thereof, clothianidin, worm hydrazides, wetting agent, dispersant, antifreezing agent, thickener and carrier are mixed, through horizontal sand mill wet pulverizing, after particle diameter is qualified, adds antifreezing agent and thickener mixes i.e. obtained aqueous suspension agent.
Embodiment 4:(40% clothianidin worm hydrazides oil-suspending agent)
Component and content: clothianidin, 5%; Worm hydrazides, 35%; Emulsifying dispersant selects Tween 80 and sorbester p17, and content is respectively 6.5% and 8.5%; Antifreezing agent selects urea, content 2%, and thickener selects organobentonite, content 0.8%, and carrier is methyl oleate, surplus.
The preparation method of above-described embodiment 4 is: the component provided by embodiment and percentage by weight thereof, clothianidin, worm hydrazides, emulsifying dispersant, thickener, antifreezing agent and methyl oleate are mixed, through horizontal sand mill wet pulverizing, after particle diameter is qualified, mix to obtain product again.
Result of the test is as shown in table 2.
The field control effectiveness test result of table 2 embodiment 1-4 and comparative example 1-2
As can be seen from table 2 result of the test, after 1d, 3d, 7d after medicine, the population number of each chemicals treatment all significantly reduces, and the control efficiency of embodiment 1-4 medicament is apparently higher than comparative example 1-2 medicament, correcting controling effect is up to 98.19%, minimum 87.78%, be far longer than the drug effect of comparative example 1 medicament the highest 84.91% and comparative example 2 medicament the highest 86.22%.Show that worm hydrazides and clothianidin compounded pesticides have obvious synergistic effect to insect, and efficiency time is obviously longer than single medicament.In addition, duration of test field observation, embodiment medicament respectively processes liquid on plant growth without impact, to around beneficial organism safety, good with Environmental compatibility.As can be seen here, clothianidin and worm hydrazides composite be a desirable insecticide mixture.
Claims (3)
1. clothianidin and a worm hydrazides complex insecticidal composition, is characterized in that: its active ingredient is clothianidin and worm hydrazides; The weight ratio of described active ingredient clothianidin and worm hydrazides is 1:5 ~ 7.
2. clothianidin according to claim 1 and worm hydrazides complex composition, is characterized in that: the weight ratio of described active ingredient clothianidin and worm hydrazides is 1:6.
3. clothianidin according to claim 2 and worm hydrazides complex composition, is characterized in that: described complex composition is aqueous suspension agent, comprise following component and content: clothianidin, 5%; Worm hydrazides, 30%; Naphthalene sulfonate, 3%; Polyoxyethylene nonylphenol ether, 2%; Propane diols, 4%, xanthans, 0.2%, running water, surplus; The preparation method of above-mentioned aqueous suspension agent is: clothianidin, worm hydrazides, naphthalene sulfonate, polyoxyethylene nonylphenol ether and running water are mixed, through horizontal sand mill wet pulverizing, after particle diameter is qualified, adds propane diols and xanthans mixes i.e. obtained aqueous suspension agent; Above-mentioned numerical value is weight percentage.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010099965A2 (en) * | 2009-03-05 | 2010-09-10 | Gat Microencapsulation Ag | Oil dispersions of nachr binding neonicotinoids |
| CN103300044A (en) * | 2012-03-16 | 2013-09-18 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing chromafenozide and neonicotinoids |
| CN103347388A (en) * | 2010-12-09 | 2013-10-09 | 拜耳知识产权有限责任公司 | Insecticidal mixtures with improved properties |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010099965A2 (en) * | 2009-03-05 | 2010-09-10 | Gat Microencapsulation Ag | Oil dispersions of nachr binding neonicotinoids |
| CN103347388A (en) * | 2010-12-09 | 2013-10-09 | 拜耳知识产权有限责任公司 | Insecticidal mixtures with improved properties |
| CN103300044A (en) * | 2012-03-16 | 2013-09-18 | 陕西韦尔奇作物保护有限公司 | Insecticidal composition containing chromafenozide and neonicotinoids |
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