CN104255770B - A kind of pesticide synergistic composition containing thiacloprid - Google Patents
A kind of pesticide synergistic composition containing thiacloprid Download PDFInfo
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- CN104255770B CN104255770B CN201410512634.5A CN201410512634A CN104255770B CN 104255770 B CN104255770 B CN 104255770B CN 201410512634 A CN201410512634 A CN 201410512634A CN 104255770 B CN104255770 B CN 104255770B
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Abstract
The invention provides a kind of pesticide synergistic composition containing thiacloprid, ethiprole and amino-oligosaccharide, in composition, the percentage by weight of thiacloprid, ethiprole and amino-oligosaccharide is 1-5:1-5:1-5, and three accounts for 2% ~ 20% in the composition.By described composition according to method known in those skilled in the art, add corresponding adjuvant, make granule conventional on agricultural chemicals, for preventing and treating sugarcane moth borer, preventive effect is remarkable, significantly can improve drug effect, reduce agricultural chemicals mu consumption, reduce use cost, extend the duration of drug effect, be conducive to overcoming the shortcoming that single dose easily produces resistance simultaneously.<pb pnum="1" />
Description
Technical field
The present invention relates to field of pesticide preparation, specifically a kind of pesticide synergistic composition containing thiacloprid.
Background technology
Thiacloprid, the sub-cyanamide of chemical name: 3-(6-chloro-5-methypyridine)-1,3-thiazoles alkane-2-, being Bayer Bitterfeld GmbH agro-chemical companies and the cooperative development of Japanese Bayer agro-chemical companies, is novel chloro nicotinic insecticide.The mechanism of action of thiacloprid and other conventional pesticides different, it mainly acts on insect nerve and engages caudacoria, by being combined with nAChR, interference insect nervous system normal conduction, cause the obstruction of neural channel, cause a large amount of accumulation of acetylcholine, thus make insect exaltation, general spasticity, paralysis and dead.Pests with chewing mouthparts longicorn on the insect of the sucking mouth partss such as thiacloprid is mainly used in anti-eliminating aphis at present, plant hopper and pine tree.
Ethiprole, chemical name: (±)-5-amino-1-(2,6-bis-chloro-α, α, α-trifluoro-p-tolyl)-4-trifluoromethyl sulfinyl pyrazoles-3-nitrile.Ethiprole is Phenylpyrazole insecticides, mainly hinders the fluoride metabolism that insect γ-aminobutyric acid controls, have tag, stomach toxicity, interior suction feature, insecticidal spectrum is wide, has very high insecticidal activity to a series of important pests such as Lepidoptera, fly class and coleopteras.
Amino-oligosaccharide, chemical name is: low poly-D Glucosamine, a kind of bactericide with resistant effect that this medicine microorganism belonging to genus metabolism is extracted, inhibitory action is had to the growth of some germ, as affected fungus spore germination, bringing out hypha form and morphing, in the born of the same parents of mycelia, biochemical reaction changes, the mechanism that inducing plant produces disease resistance mainly excites gene expression in plants, produces chitinase, dextranase, guarantor's element and the PR albumen etc. with antibacterial action; Have the gene expression suppressing germ, the Physiology and biochemistry of mycelia is morphed, and growth is suppressed simultaneously, simultaneously can also stimulating growth.The control that current amino-oligosaccharide is used for rice sheath blight disease has been reported.As Beiliu City, Guangxi plant protection unit, Guangxi District plant protection master station combine " 5% amino-oligosaccharide aqua is to the study on prevention of the late rice banded sclerotial blight " result delivered and show: 5% amino-oligosaccharide AS can promote that seed sprouting is neat, seedling growth, tiller and rice shoot root growth, reduce seedling-slowing stage to turn green the time, be 66.5% to rice sheath blight disease controlling effect, effect of increasing production reaches 10.6%.
In recent years, along with the continuous reduction of sugared valency, peasant plants the enthusiasm of sugarcane also along with decline, sugarcane grower is in order to saving of labor, province's basis, continuous minimizing new plant cane and constantly expand stubble cane area, continuous cropping for many years makes insect also more and more heavy to causing harm of sugarcane, wherein outstanding with the harm of sugarcane moth borer.
Inventor is found by a large amount of field trials and indoor virulence test, with thiacloprid, ethiprole and amino-oligosaccharide mixture according to a certain percentage, control for sugarcane moth borer has obvious synergistic function, and there is no relevant report with the pesticide synergistic composition of thiacloprid, ethiprole, amino-oligosaccharide mixture.
Summary of the invention
Technical problem to be solved by this invention is, endanger serious present situation for sugarcane moth borer, a kind of pesticide synergistic composition containing thiacloprid, ethiprole, amino-oligosaccharide is provided, has and significantly improve drug effect, reduce agricultural chemicals mu cost, delay the feature that insect develops immunity to drugs.
The present invention solves the problems of the technologies described above taked technical scheme: provide a kind of pesticide synergistic composition containing thiacloprid, ethiprole and amino-oligosaccharide, in composition, the percentage by weight of thiacloprid, ethiprole, amino-oligosaccharide is 1-5:1-5:1-5, and thiacloprid, ethiprole, amino-oligosaccharide three account for 2% ~ 20% in the composition.
The described pesticide synergistic composition containing thiacloprid, according to method known in those skilled in the art, adds respective secondary auxiliary agent, makes granule conventional on agricultural chemicals.
Required adjuvant comprise binding agent, wetting agent, sustained release agent, dispersant, coloring agent, disintegrant, carrier or other be of value to the active ingredient material that plays of stable and drug effect in the formulation, all various compositions that are conventional in pesticidal preparations or permission use, be not particularly limited, concrete composition and consumption are determined by test according to recipe requirements.
The present invention has following advantage and remarkable result, carrying out rational mixture by thiacloprid, ethiprole, amino-oligosaccharide, to be used in the preventive effect of sugarcane moth borer remarkable, significantly can improve drug effect, reduce agricultural chemicals mu consumption, reduce use cost, extend the duration of drug effect, be conducive to overcoming the shortcoming that single dose easily produces resistance simultaneously.
Embodiment
Be described further technical scheme of the present invention and technique effect below in conjunction with specific embodiment, percentage of the present invention is all weight percentage.
Embodiments of the invention are the methods adopting indoor joint toxicity measuring and field trial to combine.First pass through Toxicity Determination, specify thiacloprid, ethiprole, amino-oligosaccharide three kinds of compositions composite by a certain percentage after co-toxicity coefficient (CTC), CTC≤80 are antagonism, 80<CTC<120 is summation action, CTC >=120 are synergistic effect, on this basis, field control effectiveness test is being carried out.
Application Example one: thiacloprid, ethiprole, amino-oligosaccharide and the composite Toxicity Determination to sugarcane moth borer thereof
For examination insect: the pupa of Sugarcane Yellow snout moth's larva and mature larva thereof all pick up from suburb, Heng County, Nanning sugarcane field, turn into adult in solarium, mate and oviposit, on the sugarcane seedling of greenhouse gardening, is selected the length of time consistent health 3 instar larvae and is carried out toxicity test.
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination thiacloprid, ethiprole, amino-oligosaccharide three kinds of single doses and three's different ratio, each medicament designs six gradient concentration process respectively by active constituent content, not contain the space management of active ingredient in contrast.
Test method: respectively the mother liquor of thiacloprid, ethiprole, amino-oligosaccharide and each mixed agent is diluted to six series concentration during test, is located in beaker for subsequent use respectively.Adopt dip method, target insect is soaked into the liquid 10s, unnecessary liquid is drawn with filter paper, raise under examination worm is transferred to normal condition, each process repeats for 3 times, and often repeating examination borer population used is 40, blank is set simultaneously, after medicine, 72 investigation examination worm death condition, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC50 value.
Table 1 thiacloprid, ethiprole, amino-oligosaccharide and the composite Toxicity Determination analytical table to sugarcane moth borer thereof
As shown in Table 1, thiacloprid, ethiprole and amino-oligosaccharide are all show as obvious synergistic effect to the co-toxicity coefficient of sugarcane moth borer within the scope of 1-5:1-5:1-5 in proportioning, and therefore research and extension of the present invention is significant.
Application Example two: thiacloprid, ethiprole, amino-oligosaccharide and composite to sugarcane moth borer field control effectiveness test
(1) experimental scheme:
With thiacloprid, ethiprole, the female medicine of amino-oligosaccharide according to method known in those skilled in the art, add respective secondary auxiliary agent make thiacloprid, ethiprole and amino-oligosaccharide 3 compositions in the composition percentage by weight be 6% thiacloprid ethiprole amino-oligosaccharide of 1:1:1 and 1:2:3 two different formulations as test medicine, amount of application is 2.5 kgs/acre.With 5% thiacloprid granule, 5% ethiprole granule and 5% amino-oligosaccharide granule medicament in contrast, amount of application is 5.0 kgs/acre.A blank is also set simultaneously.
(2) spraying time, place and method
Be experimental field suburb one, Heng County, Nanning sugarcane field, sow 1 dispenser in conjunction with sugarcane on March 25th, 2012, evenly spreading fertilizer over the fields again after mixing with the dry fine earth of 1:10 by mu dosage in planting in ditch, timely earthing.
(3) result of the test
On July 12nd, 2012 carries out result investigation in sugarcane moth borer end of causing harm, and investigates every community total seedling number and sugarcane moth borer and causes harm and cause withered heart seedling number, calculate withered heart rate and control efficiency.Withered heart rate=withered heart seedling number/total seedling number * 100%.Control efficiency=(the withered heart rate in withered heart rate-applying area, check plot) withered heart rate * 100% in/check plot.Result of the test is as follows:
Table 2 thiacloprid, ethiprole, amino-oligosaccharide and composite to the sugarcane moth borer test of pesticide effectiveness
Can draw from the field control effectiveness test tables of data of table 2, the withered heart rate of test region sugarcane of 6% thiacloprid ethiprole amino-oligosaccharide granule of two different ratio is respectively 4.31% and 3.43%, withered heart rate is starkly lower than the withered heart rate in contrast pharmacy test district, simultaneously built agent to sugarcane borer control efficiency also apparently higher than the control efficiency of contrast medicament, this 3 the active ingredient compound synergics effect of thiacloprid, ethiprole, amino-oligosaccharide that illustrates is obvious, by the reasonable composite control efficiency that can significantly improve sugarcane moth borer.
Claims (2)
1. the pesticide synergistic composition containing thiacloprid, ethiprole and amino-oligosaccharide, it is characterized in that, in composition, the weight ratio of thiacloprid, ethiprole and amino-oligosaccharide is 1-5:1-5:1-5, and thiacloprid, ethiprole and amino-oligosaccharide three account for 2% ~ 20% in the composition.
2. the pesticide synergistic composition containing thiacloprid, ethiprole and amino-oligosaccharide according to claim 1, it is characterized in that, described composition is granule.
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| CN1891045A (en) * | 1995-05-24 | 2007-01-10 | 拜尔公司 | Insecticidal compositions |
| CN101305732A (en) * | 2007-12-27 | 2008-11-19 | 天津市兴光农药厂 | Pesticide combination containing thiacloprid |
| CN103250728A (en) * | 2013-05-22 | 2013-08-21 | 吴江市德佐日用化学品有限公司 | Insecticidal composition containing fipronil, thiacloprid and ethofenprox |
| CN103553763B (en) * | 2013-10-09 | 2015-07-08 | 海南正业中农高科股份有限公司 | Agricultural composition containing chitosan oligosaccharide and fipronil |
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Inventor after: Wan Xiaoyi Inventor before: Xie Xuye |
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Effective date of registration: 20150923 Address after: 325608 Yueqing, Wenzhou, Hongqiao Town, Hong River Road, No. 39-40 Applicant after: Wan Xiaoyi Address before: Hengxian Yun Biao Zhen Daliang Cun Wei Liang Village Nanning city 530306 the Guangxi Zhuang Autonomous Region 3 No. 30 Applicant before: Xie Xuye |
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Effective date of registration: 20170106 Address after: He De Zhen Sheyang County in Jiangsu province 224300 Yancheng City Sun City 2092 stores Patentee after: Yancheng Zhongzhi Mdt InfoTech Ltd Address before: 325608 Yueqing, Wenzhou, Hongqiao Town, Hong River Road, No. 39-40 Patentee before: Wan Xiaoyi |