CN105165880B - A kind of composition pesticide and its application - Google Patents
A kind of composition pesticide and its application Download PDFInfo
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- CN105165880B CN105165880B CN201510548401.5A CN201510548401A CN105165880B CN 105165880 B CN105165880 B CN 105165880B CN 201510548401 A CN201510548401 A CN 201510548401A CN 105165880 B CN105165880 B CN 105165880B
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- composition pesticide
- pymetrozine
- lentinan
- agent
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- 238000002054 transplantation Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses a kind of composition pesticide and its application, said composition contains active component MTI-446, pymetrozine and lentinan；The composition pesticide has notable prevention effect in terms of corps diseases are prevented and treated.The composition pesticide of the present invention is respectively provided with synergistic function to a variety of pest and disease damages, and then can improve crops health, improves yield, and said composition contains non-single-activity composition, is not likely to produce the resistance to the action of a drug.
Description
Technical field
The present invention relates to agriculture field, in particular it relates to a kind of composition pesticide and its application.
Background technology
In agricultural planting, usually a variety of pest and disease damages occur simultaneously, such as during the outburst of rice terrace plant hopper or after outburst, rice
Also easily suffer from stripe virus disease, black streak dwarf, cause paddy growth slow, do not ear or fringe is small, abnormal seeding, produced when serious
Amount loss up to 30%.When plant hopper is more in corn field, MRDV is popular, causes corn growth slow, plant is seriously short
Change, tassel is degenerated, this fringe deformity, can not be solid when serious, leverages yield.When tomato insect aphid is more, virosis
Prevalence, cause plant dwarfing or blade, fruit that scab occurs, cause plant dead when serious.
Current countermeasure is individually to be sprayed preventing and treating with insect pest and the outburst of disease respectively, and is repeated by spraying cycle several
It is secondary, but prevention effect is still bad, causes damage larger.Moreover, during so doing, certainly will cause to agricultural chemicals, work
The waste of the multiple resources such as power, water source.In addition, frequently dispenser accelerates development of the pest and disease damage to pesticide resistance, difficulty of prevention and cure increases
Greatly.Preventing and treating corps diseases, the healthy the problem of always agricultural production is difficult to overcome for a long time for improving crops.
The content of the invention
It is an object of the invention to provide a kind of pesticide combination that can effectively prevent and treat a variety of pest and disease damages that crops mixing occurs
Thing.
To achieve these goals, the present invention provides a kind of composition pesticide, it is characterised in that said composition is containing active
Component MTI-446, pymetrozine and lentinan.
On the other hand, the application present invention also offers the composition pesticide in corps diseases are prevented and treated.
Pass through above-mentioned technical proposal, composition pesticide of the invention can obtain obvious prevention effect, and dosage is smaller, be not easy to produce
The raw resistance to the action of a drug, a variety of pest and disease damages that crops mixing occurs can be effectively prevented and treated, and then crops health can be improved, improve production
Amount.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention provides a kind of composition pesticide, and said composition contains active component MTI-446, pymetrozine and lentinan,
Wherein, the MTI-446 be by Mitsui chemical company develop anabasine insecticide, English name dinotefuran,
No. CAS is 165252-70-0, and structural formula is as follows：
MTI-446 mainly acts on insect nerve joint portion caudacoria, blocks the normal neurotransmission of insect, by with acetyl
Choline receptor combines, and makes insect exaltation, general spasticity, paralysis and it is dead, have excellent preventive effect to sucking insect, not only
With tag, stomach toxicity and root Inner inhale activity, and with absorbability is strong, dosage is few, it is quick-acting it is good, it is active it is high, the lasting period is long, kills
The features such as worm spectrum is wide；The pymetrozine be 1988 by Novartis Co., Ltd of Switzerland (Xian Shu Syngenta Co., Ltd) develop, 1993 by
The new and effective insecticide of Triazinone heterocycle of Ciba-Geigy (now category is first just reaching) company production, English name are
Pymetrozine, No. CAS is 123312-89-0, and structural formula is as follows：
Pymetrozine is brand-new non-killing livestock property insecticide, the sucking pest of various crop is shown excellent anti-
Control effect.Diagram technology is penetrated using electricity carry out research and show, either drop, feeding or test injection, as long as aphid or plant hopper
One touches pymetrozine almost produces pin blocking effect immediately, stops feeding at once, and final hungry lethal, and this process is
It is irreversible.Therefore, there is pymetrozine excellent blocking insect to pass malicious function；The lentinan belongs to Basidiomycetes agaric
Fungi caused by section birdss of the same feather flock together polysaccharide, based on glucose, containing a small amount of mannose, fucose, galactolipin, xylose, arabinose etc.；
Peptide chain is made up of 18 kinds of amino acid such as aspartic acid, histidine, serine, lysine, glutamic acid.Lentinan has to be gathered with Portugal
The similar suppression disease of sugared exciton, anti-disease activity, can induce plant or cell and produce and accumulate disease resistance material, such as protective plant protecting agent, several
Fourth matter enzyme etc..The chemical constitution main chain of lentinan is β-D- [1 → 3] glucose residue, and side chain is β-D- [1 → 6] glucose
Residue, English trade name lentinan, molecular formula are (C6H10O5)2n(NH2RCOOH), structural formula is as follows：
According to the present invention, the weight ratio of active component MTI-446, pymetrozine, lentinan in described composition pesticide
Can be 1：(0.1-10)：(0.01-1)；More preferably 1：(1-5)：(0.1-0.5), in the range of preferable weight ratio,
The composition pesticide of the present invention has more preferable synergistic effect.
According to the present invention, the composition pesticide can also contain auxiliary agent, and the weight of the active component can be ability
Conventional amount used in domain, can be in the present invention：The gross weight of active component is the 7-78% of composition pesticide gross weight, remaining
For auxiliary agent；More preferably：The gross weight of active component is the 20-50% of composition pesticide gross weight, and remaining is auxiliary agent, living
When property component is in preferable scope, composition pesticide of the invention has more preferable prevention effect.
According to the present invention, the auxiliary agent contained in the composition pesticide can be auxiliary agent commonly used in the art, such as can be with
For dispersant, wetting agent, emulsifying agent, thickener, antifreezing agent, binding agent, defoamer, oil-based media, water and solid inert carrier
In one or more, the present invention is to the specific species of auxiliary agent and has no special requirements, and in the present invention, specifically, what is used helps
Agent can be：
The dispersant can be that sodium lignin sulfonate, naphthylmethylene polymers sulfonate, polycarboxylate and polyoxyethylene gather
One or more in oxypropylene ether block copolymers.
The wetting agent can be lauryl sodium sulfate, sldium lauryl sulfate, pull open powder, AEO and
One or more in APES.
The emulsifying agent can be calcium dodecyl benzene sulfonate, Succinate sodium sulfonate, sorbitan trioleate, poly-
One or more in glycol fatty acid ester, AEO and castor oil polyoxyethylene ether.
The thickener can be the one or more in aluminium-magnesium silicate, xanthans and organobentonite.
The antifreezing agent can be the one or more in ethylene glycol, 1,2- propane diols, glycerine and urea.
The binding agent can be starch, gelatin, Arabic gum, polyvinylpyrrolidone, methylcellulose, glucose and
One or more in sucrose.
The defoamer can be the one or more in silicone oil, higher alcohol, mineral oil and vegetable oil.
The oil-based media can be the one or more in methyl oleate, paraffin oil, white oil and soybean oil.
The solid inert carrier can be the one or more in kaolin, diatomite, white carbon and sepiolite.
According to the present invention, the auxiliary agent in the composition pesticide be preferably in dispersant, thickener, water and defoamer extremely
Few one kind, more preferably at least one of sodium lignin sulfonate, xanthans, aluminium-magnesium silicate, organic silicon defoamer, water,
In the presence of preferable auxiliary agent, the composition pesticide in the present invention has more significant synergistic effect.
According to the present invention, the composition pesticide can also be prepared into different according to the difference of the assistant types added
Formulation, such as suspending agent, oil-suspending agent, water dispersible granules or wettable powder can be prepared into, it is contained in each formulation
The amount of every kind of auxiliary agent can take proportioning conventional in the art, in the present invention, the content of auxiliary agent is specific in each formulation
Can be：
The suspending agent can contain 2-5 weight % dispersants, 0-2 weight % wetting agents, 0-10 weight % antifreezing agents,
0.1-5 weight % thickeners, 0-1 weight % defoamers, surplus is water.Suspending agent generally need wet pulverizing with obtain it is stable,
The suspension liquid of flowable, easy measurement volume.
The oil-suspending agent can contain 0.5-5 weight % dispersants, 5-10 weight % emulsifying agents, 0.1-5 weight % and increase
Thick dose, surplus is oil-based media.Oil-suspending agent generally needs wet pulverizing to obtain the oil of stable, flowable, easy measurement volume
Suspension liquid.
It is solid that the wettable powder, which can contain 0.5-10 weight % dispersants, 0.5-5 weight % wetting agents, surplus,
Inert carrier.Wettable powder generally needs dry pulverization process to obtain free flowable powdery solid.
The water dispersible granules can contain 0.5-10 weight % dispersants, 0.5-5 weight % wetting agents, 0-10 weight %
Other additives, surplus are solid inert carrier.Water dispersible granules are usually made 10-100 mesh international standard sieve mesh (1676-152
μm) particle, it can be prepared by the methods of mist projection granulating, extruder grain, high speed rotating granulation, fluidized bed prilling.
In the present invention, for the various formulations preparation method without particular/special requirement, can use as known in the art
Various methods, will not be repeated here.In the present invention, the formulation preferably prepared is suspending agent.Those skilled in the art should understand that
, the present invention in various formulations actual use when can according to be actually needed dilution use.
According to the present invention, described composition pesticide can be provided with final product form, i.e., each component has mixed in composition
Close, also can every kind of composition provided in the form of independent preparation, directly carrying out bucket during use mixes.
On the other hand, the application present invention also offers the composition pesticide in terms of corps diseases are prevented and treated.
According to the present invention, described crops can be common crops, such as can be rice, corn, cotton, vegetables
At least one of with flowers；Described corps diseases can be virosis, rough dwarf disease, black streak dwarf, stripe virus disease,
At least one of planthopper, small brown rice planthopper and aphid.
Further, for example, the composition pesticide can be applied to rice terrace, what simultaneous rice mixing of harnessing the river occurred control planthopper,
Black streak dwarf and stripe virus disease, rice health status can be improved, reduce and lost caused by pest and disease damage；The composition pesticide
Corn field can be also applied to, it is simultaneous to control plant hopper and the rough dwarf disease that corn field mixing occurs；The composition pesticide can also be used for preventing and treating kind
The aphid and virosis that eggplant mixing occurs.
Wherein, dosage of the above-mentioned composition pesticide every mu of ground is not particularly limited, specifically can be according to active ingredient
Mu dosage and preparation active constituent content regulation, such as total amount of application of the active ingredient of every mu of ground can be made to be 1-
50g。
The present invention is further elaborated by the following examples.
In following examples and comparative example, MTI-446 is purchased from Jiangsu Chang Long agrochemical Co., Ltd；Pymetrozine is purchased from Jiangsu
Stablize the country electrochemical Co., Ltd；Lentinan is purchased from Zhengzhou Shao Kang chemical products Co., Ltd；Sodium lignin sulfonate is purchased from Gaotang China
Eastern lignin Co., Ltd；Xanthans is purchased from Zibo Ye Sheng Industrial Co., Ltd.s；Aluminium-magnesium silicate is limited purchased from Jinan Yongtai chemical industry
Company；Organic silicon defoamer is purchased from Shanghai Mitugao New Material Group；AEO has purchased from Nanjing too chemical industry
Limit company；Calcium dodecyl benzene sulfonate is purchased from Nanjing Teva-Chem. Co., Ltd.；Bentonite is limited purchased from the prosperous ancient cooking vessel mining industry in Xinyang
Company；Methyl oleate is purchased from Cangzhou Dayang Chemical Co., Ltd.；Polycarboxylate is that big high polymer material is limited purchased from Shanghai
Company；Pull open powder is purchased from Fei Huang Chemical Co., Ltd.s of Xinyi City；White carbon is purchased from Dongying City Xin Da Chemical Co., Ltd.s；Diatomite
Purchased from Henan Wan Jiang Environmental Protection Technology Co., Ltd.
Embodiment 1
38.5% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 34.6, the weight % of pymetrozine 3.5, the weight % of lentinan 0.4, the weight of sodium lignin sulfonate 4
%, the weight % of xanthans 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weights
Measure %.
Embodiment 2
38.5% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 24.8, the weight % of pymetrozine 12.4, the weight % of lentinan 1.3, the weight of sodium lignin sulfonate 4
%, the weight % of xanthans 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weights
Measure %.
Embodiment 3
38.5% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 18.3, the weight % of pymetrozine 18.3, the weight % of lentinan 1.9, the weight of sodium lignin sulfonate 4
%, the weight % of xanthans 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weights
Measure %.
Embodiment 5
38.5% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 5.9, the weight % of pymetrozine 29.5, the weight % of lentinan 3.1, the weight of sodium lignin sulfonate 4
%, the weight % of xanthans 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weights
Measure %.
Embodiment 6
38.5% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 4.4, the weight % of pymetrozine 30.8, the weight % of lentinan 3.3, the weight of sodium lignin sulfonate 4
%, the weight % of xanthans 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weights
Measure %.
Embodiment 7
38.5% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 3.2, the weight % of pymetrozine 32.1, the weight % of lentinan 3.2, the weight of sodium lignin sulfonate 4
%, the weight % of xanthans 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weights
Measure %.
Embodiment 8
19.25% MTI-446 pymetrozine lentinan oil-suspending agent
The weight % of MTI-446 5, the weight % of pymetrozine 12.5, the weight % of lentinan 1.75, AEO 10
Weight %, the weight % of calcium dodecyl benzene sulfonate 5, the weight % of bentonite 0.2, methyl oleate are added to 100 weight %.
Embodiment 9
77% MTI-446 pymetrozine lentinan wettable powder
The weight % of MTI-446 20, the weight % of pymetrozine 50, the weight % of lentinan 7, the weight % of polycarboxylate 5, pull open powder 2
Weight %, the weight % of white carbon 0.5, diatomite are added to 100 weight %.
Embodiment 10
7.7% MTI-446 pymetrozine lentinan water dispersible granules
The weight % of MTI-446 2, the weight % of pymetrozine 5, the weight % of lentinan 0.7, the weight of naphthylmethylene polymers sulfonate 8
%, the weight % of lauryl sodium sulfate 4, the weight % of starch 5 are measured, kaolin is added to 100 weight %.
Embodiment 11
21.1% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 19, the weight % of pymetrozine 1.9, the weight % of lentinan 0.2, the weight % of sodium lignin sulfonate 4,
The weight % of xanthans 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1, water are added to 100 weight %.
Embodiment 13
7.77% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 7, the weight % of pymetrozine 0.7, the weight % of lentinan 0.07, the weight % of sodium lignin sulfonate 4,
The weight % of xanthans 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1, water are added to 100 weight %.
Embodiment 14
77.7% MTI-446 pymetrozine lentinan suspending agent
The weight % of MTI-446 70, the weight % of pymetrozine 7, the weight % of lentinan 0.7, the weight % of sodium lignin sulfonate 4 are yellow
The weight % of virgin rubber 0.2, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1, water are added to 100 weight %.
Comparative example 1
38.5% MTI-446 suspending agent
The weight % of MTI-446 38.5, the weight % of sodium lignin sulfonate 4, the weight % of xanthans 0.2, the weight of aluminium-magnesium silicate 0.5
%, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weight %.
Comparative example 2
38.5% pymetrozine suspension agent
The weight % of pymetrozine 38.5, the weight % of sodium lignin sulfonate 4, the weight % of xanthans 0.2, the weight of aluminium-magnesium silicate 0.5
%, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weight %.
Comparative example 3
38.5% lentinan suspending agent
The weight % of lentinan 38.5, the weight % of sodium lignin sulfonate 4, the weight % of xanthans 0.2, the weight of aluminium-magnesium silicate 0.5
%, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weight %.
Comparative example 4
38.5% MTI-446 pymetrozine suspension agent
The weight % of MTI-446 19.25, the weight % of pymetrozine 19.25, the weight % of sodium lignin sulfonate 4, the weight of xanthans 0.2
%, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weight %.
Comparative example 5
38.5% MTI-446 lentinan suspending agent
The weight % of MTI-446 28.5, the weight % of lentinan 10, the weight % of sodium lignin sulfonate 4, the weight of xanthans 0.2
%, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weight %.
Comparative example 6
38.5% pymetrozine lentinan suspending agent
The weight % of pymetrozine 33.8, the weight % of lentinan 4.7, the weight % of sodium lignin sulfonate 4, the weight of xanthans 0.2
%, the weight % of aluminium-magnesium silicate 0.5, the weight % of organic silicon defoamer 0.1 are measured, water is added to 100 weight %.
Testing example 1
The rice field test of pesticide effectiveness is carried out to obtained agricultural chemicals in above-described embodiment and comparative example.
Experiment is located in the farmland covered by contract of the peasant household of Jiangsu Province Huai'an one, and rice varieties are elegant water -04.Experimental plot is Cropping Rice
Field, soil pH value 7.5, middle fertility.Application method is with the hand compression sprayer even spraying of sharp agriculture HD-400 types, blank pair
According to spray equivalent clear water.The experiment same day is fine day, 29~32 DEG C of temperature, relative humidity 60~76%.Temperature 24~36 during experiment
DEG C, relative humidity 40~85%.
Investigation method：Per the 5 points of samplings of cell diagonal, every investigation is connected 5 clumps, and 25 clumps altogether, 15d enters before medicine and after medicine
Row efficacy survey.
The prevention effect computational methods of planthopper：Investigation method records the work borer population of 25 clumps of rice as described above,
Preventive effect is calculated after calculating decline rate.Preventive effect (i.e. correcting controling effect) computational methods are as follows：
Black streaked dwarf virus of rice severity Scaling method：0 grade is that complete stool is disease-free；1 grade is that plant is downgraded without obvious, highly than strong
Within strain short 20%；3 grades are that plant is downgraded, highly shorter than healthy tree by 20%~35%；5 grades are that plant is seriously downgraded, highly than strong
Strain is short by 35%~50%；7 grades are that plant seriously stunts, highly shorter than healthy tree by more than 50% or dead.Based on formula (3) and (4)
Calculate disease index and prevention effect.
Stripe disease severity Scaling standard is as follows:0 grade is disease-free, or stem tiller of falling ill grows normal Newborn Leaves；1
There is a small amount of chlorisis macula lutea for lobus cardiacus base portion along vein in level, not curled, and 3 grades to be that Newborn Leaves occur parallel with vein yellowish green alternate
Striped, slight curling；5 grades are that Newborn Leaves the largely chlorosis striped parallel with vein occur, leaf rolling, thin and delicate；7 grades are plant
Downgrade, blade yellow-white striped occurs and rolled, and Newborn Leaves distortion is sagging, it is impossible to normal to open a business；9 grades are that plant is seriously downgraded, lost
It is green or dead.Specific prevention effect is shown in Table 1.
Table 1
Testing example 2
Corn field control effectiveness test is carried out to obtained agricultural chemicals in above-described embodiment and comparative example.
Test and be located at Donggang City agricultural technology extension center demonstration field that Liaoning Province small brown rice planthopper retransmits area, in soil fertility
Deng, irrigation condition is good, and rice varieties are distant round-grained rice 9, planting patterns be drought educate rice transplantation by hand, plot area 60m2, 4 weights
It is multiple, random district's groups arrangement.Using Xin Jia slopes profit agriculture HD-400 Backpack-type high-pressure sprayers, the dispenser amount of being watered is 750kg/hm2, hand
Dynamic even spraying.
Corn small brown rice planthopper investigation method：15d investigates small brown rice planthopper population number before per cell dispenser, after dispenser, according to formula (5)
Calculate prevention effect.
MRDV investigation method：30 days investigation plant state of an illness after dispenser.Severity Scaling standard is：0 grade is healthy tree；1
Level is reduced for grain number or strain production loss is below 50%, and plant height is the 2/3 of healthy tree；2 grades be grain number, strain production loss 51%~
65% plant height is the 2/3 of healthy tree；3 grades are grain number, strain production loss 66%~80%, and plant height is the 3/5 of healthy tree；4 grades be grain number,
Strain production loss 81%~95%, plant height is the 3/5 of healthy tree；5 grades are grain number, strain production loss more than 96%, and plant height is healthy tree
Less than 1/2.Specific prevention effect is calculated according to formula (3) and formula (4), the results are shown in Table 2.
Table 2
| Embodiment | Amount of application (g/ mus) | Small brown rice planthopper prevention effect (%) | Rough dwarf disease prevention effect (%) |
| 1 | 15 | 82.6 | 81.5 |
| 2 | 15 | 87.2 | 85.3 |
| 3 | 15 | 91.5 | 90.2 |
| 5 | 15 | 90.9 | 91.6 |
| 6 | 15 | 86.1 | 88.7 |
| 7 | 15 | 81.7 | 83.3 |
| 8 | 30 | 95.9 | 96.8 |
| 9 | 7.5 | 92.7 | 92.1 |
| 10 | 75 | 92.3 | 91.9 |
| 11 | 15 | 80.1 | 79.3 |
| 13 | 15 | 76.8 | 76.1 |
| 14 | 15 | 78.4 | 77.9 |
| Comparative example 1 | 15 | 56.7 | 55.2 |
| Comparative example 2 | 15 | 58.3 | 50.7 |
| Comparative example 3 | 15 | 0 | 51.2 |
| Comparative example 4 | 15 | 72.9 | 68.5 |
| Comparative example 5 | 15 | 60.7 | 62.6 |
| Comparative example 6 | 15 | 61.8 | 63.6 |
Testing example 3
Tomato field control effectiveness test is carried out to obtained agricultural chemicals in above-described embodiment and comparative example
Experiment, which is located in the tomato in plastic greenhouse of the peasant household of Changping District, Beijing one, to be carried out, and first crop crop is Chinese cabbage, tests soil
For garden loam, neutral, planting vegetable, fertility are preferable for many years.For examination tomato variety No. 18 are preced with for gold.Application method is with sharp agriculture
The hand compression sprayer even spraying of HD-400 types, blank control spray equivalent clear water.
Tomato virus disease investigation method：Random 5 points of samplings per cell, every is investigated 6 plants, and record investigation is total in units of strain
Strain number, diseased plant number at different levels.Severity Scaling method：0 grade is asymptomatic；1 grade is bright arteries and veins, light floral leaf；3 grades are lobus cardiacus and middle part blade
Floral leaf；5 grades are lobus cardiacus and middle leaf piece floral leaf, and a small number of leaf malformations, Zou's contracting or plant are slightly downgraded；7 grades of floral leaves of attaching most importance to, it is most
Leaf malformation, Zou's contracting or plant are downgraded；9 grades of floral leaves of attaching most importance to, the obvious deformity of blade, line industry, plant are seriously downgraded, or even dead.
Before dispenser and dispenser after 14 days investigation prevention effects.Disease index and prevention effect are calculated by formula (3) and (4).
The investigation method of tomato aphid：Insect population is investigated before medicine.(with diagonal, 5 points take the residual worm amount of 7d investigation after spray
Sample, 6 plants every, away from the residual worm amount of investigation at the 30cm of top), calculate Revision insect recluced rate and Rectifying efficacies by formula (1) and (2).Specifically
Result of the test is shown in Table 3.
Table 3
| Embodiment | Amount of application (g/ mus) | Control of aphids effect (%) | Virus disease control effect (%) |
| 1 | 15 | 86.4 | 85.0 |
| 2 | 15 | 86.9 | 83.2 |
| 3 | 15 | 90.8 | 90.5 |
| 5 | 15 | 91.0 | 90.7 |
| 6 | 15 | 88.1 | 87.9 |
| 7 | 15 | 85.3 | 85.6 |
| 8 | 30 | 96.5 | 96.6 |
| 9 | 7.5 | 93.2 | 94.5 |
| 10 | 75 | 92.8 | 91.7 |
| 11 | 15 | 84.6 | 82.9 |
| 13 | 15 | 82.2 | 81.6 |
| 14 | 15 | 80.7 | 82.8 |
| Comparative example 1 | 15 | 46.7 | 40.7 |
| Comparative example 2 | 15 | 59.0 | 51.2 |
| Comparative example 3 | 15 | 0 | 60.8 |
| Comparative example 4 | 15 | 72.3 | 55.9 |
| Comparative example 5 | 15 | 68.6 | 71.2 |
| Comparative example 6 | 15 | 65.3 | 72.3 |
Composition pesticide provided by the invention can prevent and treat crops mixing simultaneously it can be seen from the data in table 1 to table 3
The a variety of pest and disease damages occurred, there is synergistic function between three kinds of active components in composition pesticide, preventing and treating can be improved and imitated
Fruit, it can further improve the health of crops.
It can in addition contain find out, the active component weight ratio in composition pesticide of the invention can be 1：(0.1-
10)：Preventive and therapeutic effect is respectively provided with the range of (0.01-1), and is 1 in weight ratio：(1-5)：During the preferred scope of (0.1-0.5),
Prevention effect further increases, and the synergistic effect between active component also dramatically increases；Simultaneously it can be found that in composition pesticide
The total content of active component when being 20-50 weight %, its prevention effect can have been lifted.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (9)
1. a kind of composition pesticide, it is characterised in that said composition contains active component MTI-446, pymetrozine and lentinan；
The weight ratio of the active component MTI-446, pymetrozine and lentinan is 1：(0.1-10)：(0.01-1).
2. composition pesticide according to claim 1, wherein, active component MTI-446, pymetrozine and the lentinan
Weight ratio be 1：(1-5)：(0.1-0.5).
3. composition pesticide according to claim 1, wherein, the composition also contains auxiliary agent, and the active component
Gross weight be the composition pesticide gross weight 7-78%, remaining is auxiliary agent.
4. composition pesticide according to claim 3, wherein, the gross weight of the active component is the composition pesticide
The 20-50% of gross weight, remaining is auxiliary agent.
5. composition pesticide according to claim 3, wherein, the auxiliary agent contains dispersant, wetting agent, emulsifying agent, increasing
One or more in thick dose, antifreezing agent, binding agent, defoamer, oil-based media, water and solid inert carrier.
6. composition pesticide according to claim 5, wherein, dispersant is sodium lignin sulfonate, naphthalene first in the auxiliary agent
At least one of aldehyde polycondensate sulfonate, polycarboxylate and polyoxyethylene poly-oxygen propylene aether block copolymer；Wetting agent is ten
At least one in sodium dialkyl sulfate, sldium lauryl sulfate, pull open powder, AEO and APES
Kind；Emulsifying agent is calcium dodecyl benzene sulfonate, Succinate sodium sulfonate, sorbitan trioleate, polyethylene glycol fatty acid
At least one of ester, AEO and castor oil polyoxyethylene ether；Thickener is aluminium-magnesium silicate, xanthans and had
At least one of machine bentonite；Oil-based media is at least one of methyl oleate, paraffin oil, white oil and soybean oil.
7. application of the composition pesticide in corps diseases are prevented and treated according to any one in claim 1-6.
8. application according to claim 7, wherein, the crops are in rice, corn, cotton, vegetables and flowers
It is at least one.
9. application according to claim 7, wherein, the corps diseases be virosis, rough dwarf disease, black streak dwarf,
At least one of stripe virus disease, planthopper, small brown rice planthopper and aphid.
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| CN105165880B true CN105165880B (en) | 2017-11-10 |
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| CN105532685A (en) * | 2015-12-28 | 2016-05-04 | 北京市农林科学院 | Pesticide composite for preventing and curing crop viral diseases and pests |
| CN106719769A (en) * | 2016-11-28 | 2017-05-31 | 山东农业大学 | A kind of disease pest containing lentinan, Difenoconazole and thiacloprid is simultaneous to control composition pesticide |
| CN110679591B (en) * | 2019-10-28 | 2021-09-21 | 上海悦联生物科技有限公司 | Pesticide composition and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101632385A (en) * | 2009-08-31 | 2010-01-27 | 江苏辉丰农化股份有限公司 | Insecticidal compound containing pymetrozine |
| CN101946780A (en) * | 2010-09-28 | 2011-01-19 | 李学员 | Combination pesticide used for preventing and controlling bacterial blight of paddy |
| CN102228049A (en) * | 2011-06-21 | 2011-11-02 | 尹小根 | Pesticide composition containing dinotefuran and pymetrozine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101632385A (en) * | 2009-08-31 | 2010-01-27 | 江苏辉丰农化股份有限公司 | Insecticidal compound containing pymetrozine |
| CN101946780A (en) * | 2010-09-28 | 2011-01-19 | 李学员 | Combination pesticide used for preventing and controlling bacterial blight of paddy |
| CN102228049A (en) * | 2011-06-21 | 2011-11-02 | 尹小根 | Pesticide composition containing dinotefuran and pymetrozine |
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Application publication date: 20151223 Assignee: HEBEI SAIFENG BIOTECHNOLOGY CO.,LTD. Assignor: HEBEI ZHONGTIANBANGZHENG BIOTECHNOLOGY Co.,Ltd. Contract record no.: X2023980044312 Denomination of invention: A pesticide composition and its application Granted publication date: 20171110 License type: Exclusive License Record date: 20231023 |