CN105165880A - Pesticide composition and application thereof - Google Patents
Pesticide composition and application thereof Download PDFInfo
- Publication number
- CN105165880A CN105165880A CN201510548401.5A CN201510548401A CN105165880A CN 105165880 A CN105165880 A CN 105165880A CN 201510548401 A CN201510548401 A CN 201510548401A CN 105165880 A CN105165880 A CN 105165880A
- Authority
- CN
- China
- Prior art keywords
- weight
- composition pesticide
- pymetrozine
- lentinan
- mti
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 239000000575 pesticide Substances 0.000 title claims abstract description 43
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- 239000005925 Pymetrozine Substances 0.000 claims abstract description 47
- 229920001491 Lentinan Polymers 0.000 claims abstract description 46
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 claims abstract description 34
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- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 21
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Abstract
The invention discloses a pesticide composition and application thereof. The composition contains active components of dinotefuran, pymetrozine and lentinan; and the pesticide composition has significant prevention and control effects in the fields of preventing and controlling crop diseases and pests. The pesticide composition provided by the invention has synergistic effects on various diseases and pests; therefore, health of crops can be improved, and yield is increased; meanwhile, the composition contains non-single active components and is uneasy to generate drug resistance.
Description
Technical field
The present invention relates to agriculture field, particularly, relate to a kind of composition pesticide and application thereof.
Background technology
In agricultural planting, usually multiple damage by disease and insect occurs simultaneously, such as, during the outburst of paddy field plant hopper or after outburst, paddy rice also easily suffers from stripe virus disease, black streak dwarf, causes paddy growth slow, do not ear or fringe little, abnormal seeding, time serious, production loss is up to 30%.When in corn field, plant hopper is more, MRDV is popular, and cause corn growth slow, plant is seriously downgraded, and tassel is degenerated, and this fringe deformity, can not be solid time serious, greatly have impact on output.When tomato insect aphid is more, virus disease is popular, causes plant to be downgraded or blade, fruit generation scab, causes plant dead time serious.
Current countermeasure to be sprayed separately control with the outburst of insect pest and disease respectively, and repeat several times by spraying cycle, but control efficiency is still not good, causes damage larger.And, in the process done like this, the waste to multiple resources such as agricultural chemicals, labour, water sources certainly will be caused.In addition, frequent dispenser accelerates the development of damage by disease and insect to pesticide resistance, and difficulty of prevention and cure increases.Preventing and treating corps diseases, improving the health of crops is the problem that agricultural production is difficult to overcome for a long time always.
Summary of the invention
The object of this invention is to provide a kind of composition pesticide effectively preventing and treating the multiple damage by disease and insect that crops mixing occurs.
To achieve these goals, the invention provides a kind of composition pesticide, it is characterized in that, said composition contains active component MTI-446, pymetrozine and lentinan.
On the other hand, present invention also offers the application of described composition pesticide in control corps diseases.
By technique scheme, composition pesticide of the present invention can obtain obvious control efficiency, and consumption is less, not easily develops immunity to drugs, and effectively can prevent and treat the multiple damage by disease and insect that crops mixing occurs, and then can improve crops health, improve output.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of composition pesticide, said composition contains active component MTI-446, pymetrozine and lentinan, wherein, described MTI-446 develops anabasine insecticide by Mitsui chemical company, English name is dinotefuran, and No. CAS is 165252-70-0, and structural formula is as follows:
MTI-446 mainly acts on insect neural joint portion caudacoria, block the normal neurotransmission of insect, by being combined with acetylcholinergic receptor, make insect exaltation, general spasticity, benumbs and extremely, has excellent preventive effect to sucking insect, not only have tag, stomach toxicity and root Inner inhale active, and have that interior absorption is strong, consumption is few, quick-acting good, the feature such as activity is high, the lasting period is long, insecticidal spectrum is wide; Described pymetrozine is developed by Novartis Co., Ltd of Switzerland (Xian Shu Syngenta Co., Ltd) for 1988, the new and effective insecticide of Triazinone heterocycle produced by Ciba-Geigy (existing genus first just reaches) company for 1993, English name is pymetrozine, No. CAS is 123312-89-0, and structural formula is as follows:
Pymetrozine is brand-new non-killing livestock property insecticide, shows excellent control efficiency to the sucking pest of various crop.Utilize electricity to penetrate diagram technology to carry out research and show no matter be drop, feed or test injection, as long as aphid or plant hopper one touch pymetrozine almost produce pin blocking effect immediately, stop at once taking food, and final hungry lethal, and also this process is irreversible.Therefore, pymetrozine has excellent blocking-up insect and passes malicious function; Described lentinan belongs to the fungi that Basidiomycetes Agaricaceae produces and to birds of the same feather flock together polysaccharide, based on glucose, containing a small amount of mannose, fucose, galactose, wood sugar, arabinose etc.; Peptide chain is made up of 18 seed amino acids such as aspartic acid, histidine, serine, lysine, glutamic acid.Lentinan has and similarly with glucan exciton presses down sick, anti-disease activity, plant or cell can be induced to produce and accumulate disease resistance material, as protective plant protecting agent, chitinase 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, and English commodity are called lentinan, and molecular formula is (C
6h
10o
5) 2n (NH
2rCOOH), structural formula is as follows:
According to the present invention, the weight ratio of the active component MTI-446 in described composition pesticide, pymetrozine, lentinan can be 1:(0.1-10): (0.01-1); More preferably 1:(1-5): (0.1-0.5), in preferred weight ratio, composition pesticide of the present invention has better synergistic effect.
According to the present invention, described composition pesticide can also contain auxiliary agent, and the weight of described active component can be conventional amount used in this area, can be in the present invention: the gross weight of active component is the 7-78% of composition pesticide gross weight, and all the other are auxiliary agent; More preferably: the gross weight of active component is the 20-50% of composition pesticide gross weight, all the other are auxiliary agent, and when active component is in preferred scope, composition pesticide of the present invention has better control efficiency.
According to the present invention, the auxiliary agent contained in described composition pesticide can for auxiliary agent conventional in this area, as being one or more in dispersant, wetting agent, emulsifier, thickener, antifreezing agent, binding agent, defoamer, oil-based media, water and solid inert carrier, the present invention is to the concrete kind of auxiliary agent and have no special requirements, in the present invention, particularly, the auxiliary agent of use can be:
Described dispersant can be one or more in sodium lignin sulfonate, naphthylmethylene polymers sulfonate, polycarboxylate and polyoxyethylene poly-oxygen propylene aether block copolymer.
Described wetting agent can be lauryl sodium sulfate, sldium lauryl sulfate, pull open in powder, fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene one or more.
Described emulsifier can be one or more in calcium dodecyl benzene sulfonate, succinate sodium sulfonate, sorbitan trioleate, cithrol, fatty alcohol-polyoxyethylene ether and castor oil polyoxyethylene ether.
Described thickener can be one or more in aluminium-magnesium silicate, xanthans and organobentonite.
Described antifreezing agent can be one or more in ethylene glycol, 1,2-PD, glycerine and urea.
Described binding agent can be one or more in starch, gelatin, gum Arabic, polyvinylpyrrolidone, methylcellulose, dextrose plus saccharose.
Described defoamer can be one or more in silicone oil, higher alcohol, mineral oil and vegetable oil.
Described oil-based media can be one or more in methyl oleate, paraffin oil, white oil and soybean oil.
Described solid inert carrier can be one or more in kaolin, diatomite, white carbon and sepiolite.
According to the present invention, auxiliary agent in described composition pesticide is preferably at least one in dispersant, thickener, water and defoamer, at least one more preferably in sodium lignin sulfonate, xanthans, aluminium-magnesium silicate, silicone defoaming agent, water, under the effect of preferred auxiliary agent, the composition pesticide in the present invention has more significant synergistic effect.
According to the present invention, described composition pesticide can also be prepared into different formulations according to the difference of added assistant types, such as can be prepared into suspending agent, oil-suspending agent, water dispersible granules or wetting powder, in each formulation, the amount of often kind of contained auxiliary agent can take proportioning conventional in this area, in the present invention, in each formulation, the content of auxiliary agent is specifically as follows:
Described suspending agent can contain 2-5 % by weight dispersant, 0-2 % by weight wetting agent, 0-10 % by weight antifreezing agent, 0.1-5 % by weight thickener, and 0-1 % by weight defoamer, surplus is water.Suspending agent usually need wet pulverizing with obtain stable, can flow, the suspension liquid of easy measurement volumes.
Described oil-suspending agent can contain 0.5-5 % by weight dispersant, 5-10 % by weight emulsifier, 0.1-5 % by weight thickener, and surplus is oil-based media.Oil-suspending agent usually need wet pulverizing with obtain stable, can flow, the oil suspension body of easy measurement volumes.
Described wetting powder can contain 0.5-10 % by weight dispersant, 0.5-5 % by weight wetting agent, surplus are solid inert carrier.Wetting powder needs dry pulverization process to obtain free flowable powdery solid usually.
Described water dispersible granules can contain 0.5-10 % by weight dispersant, 0.5-5 % by weight wetting agent, other additive of 0-10 % by weight, and surplus is solid inert carrier.Water dispersible granules makes 10-100 order international standard sieve mesh (1676-152 μm) particle usually, by method preparations such as mist projection granulating, extruder grain, High Rotation Speed granulation, fluidized bed prillings.
In the present invention, for the preparation method of described various formulation without particular/special requirement, various method as known in the art can be adopted, do not repeat them here.In the present invention, the formulation of preferably preparation is suspending agent.It will be understood by those skilled in the art that in the present invention, various formulation can dilute use according to actual needs when reality uses.
According to the present invention, described composition pesticide can provide with final product form, and namely in composition, each component mixes, and also can provide with the form of independent preparation by often kind of composition, directly carries out bucket and mix during use.
On the other hand, present invention also offers the application of described composition pesticide in control corps diseases.
According to the present invention, described crops can be common crops, as being at least one in paddy rice, corn, cotton, vegetables and flowers; Described corps diseases can be at least one in virus disease, rough dwarf disease, black streak dwarf, stripe virus disease, rice fulgorid, small brown rice planthopper and aphid.
Further, such as, this composition pesticide can be applied to paddy field, and what double rice mixing of harnessing the river occurred controls rice fulgorid, black streak dwarf and stripe virus disease, can improve paddy rice health status, reduce the loss that damage by disease and insect causes; This composition pesticide also can be applied to corn field, double plant hopper and the rough dwarf disease controlling corn field mixing generation; This composition pesticide also can be used for aphid and the virus disease of preventing and treating tomato mixing generation.
Wherein, above-mentioned composition pesticide is not particularly limited at the consumption of every mu of ground, specifically can regulate according to the active constituent content of the mu consumption of active ingredient and preparation, such as, total amount of application of the active ingredient of every mu of ground can be made to be 1-50g.
Be further elaborated the present invention 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 Anpon Electrochemical Co., Ltd.; Lentinan is purchased from Zhengzhou Shao Kang chemical products Co., Ltd; Sodium lignin sulfonate is purchased from East China, Gaotang lignin Co., Ltd; Xanthans is purchased from Zibo Ye Sheng Industrial Co., Ltd.; Aluminium-magnesium silicate is purchased from Yongtai, Jinan Chemical Co., Ltd.; Silicone defoaming agent is purchased from Shanghai Mitugao New Material Group; Fatty alcohol-polyoxyethylene ether is purchased from Nanjing Teva-Chem. Co., Ltd.; Calcium dodecyl benzene sulfonate is purchased from Nanjing Teva-Chem. Co., Ltd.; Bentonite is purchased from Xinyang Xin Ding mining industry Co., Ltd; Methyl oleate is purchased from Cangzhou Dayang Chemical Co., Ltd.; Polycarboxylate is purchased from Shanghai Shi great macromolecular material Co., Ltd; Pull open powder purchased from Fei Huang Chemical Co., Ltd. of Xinyi City; White carbon is purchased from Dongying City Xin Da Chemical Co., Ltd.; Diatomite is purchased from Henan Wan Jiang Environmental Protection Technology Co., Ltd.
Embodiment 1
38.5% MTI-446 pymetrozine lentinan suspending agent
MTI-446 34.6 % by weight, pymetrozine 3.5 % by weight, lentinan 0.4 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 2
38.5% MTI-446 pymetrozine lentinan suspending agent
MTI-446 24.8 % by weight, pymetrozine 12.4 % by weight, lentinan 1.3 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 3
38.5% MTI-446 pymetrozine lentinan suspending agent
MTI-446 18.3 % by weight, pymetrozine 18.3 % by weight, lentinan 1.9 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 4
38.5% MTI-446 pymetrozine lentinan suspending agent
MTI-446 10 % by weight, pymetrozine 25 % by weight, lentinan 0.4 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 5
38.5% MTI-446 pymetrozine lentinan suspending agent
MTI-446 5.9 % by weight, pymetrozine 29.5 % by weight, lentinan 3.1 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 6
38.5% MTI-446 pymetrozine lentinan suspending agent
MTI-446 4.4 % by weight, pymetrozine 30.8 % by weight, lentinan 3.3 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 7
38.5% MTI-446 pymetrozine lentinan suspending agent
MTI-446 3.2 % by weight, pymetrozine 32.1 % by weight, lentinan 3.2 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 8
19.25% MTI-446 pymetrozine lentinan oil-suspending agent
MTI-446 5 % by weight, pymetrozine 12.5 % by weight, lentinan 1.75 % by weight, fatty alcohol-polyoxyethylene ether 10 % by weight, calcium dodecyl benzene sulfonate 5 % by weight, bentonite 0.2 % by weight, methyl oleate is added into 100 % by weight.
Embodiment 9
77% MTI-446 pymetrozine lentinan wetting powder
MTI-446 20 % by weight, pymetrozine 50 % by weight, lentinan 7 % by weight, polycarboxylate 5 % by weight, pulls open powder 2 % by weight, and white carbon 0.5 % by weight, diatomite is added into 100 % by weight.
Embodiment 10
7.7% MTI-446 pymetrozine lentinan water dispersible granules
MTI-446 2 % by weight, pymetrozine 5 % by weight, lentinan 0.7 % by weight, naphthylmethylene polymers sulfonate 8 % by weight, lauryl sodium sulfate 4 % by weight, starch 5 % by weight, kaolin is added into 100 % by weight.
Embodiment 11
21.1% MTI-446 pymetrozine lentinan suspending agent
MTI-446 19 % by weight, pymetrozine 1.9 % by weight, lentinan 0.2 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 12
50% MTI-446 pymetrozine lentinan suspending agent
MTI-446 45 % by weight, pymetrozine 4.5 % by weight, lentinan 0.5 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 13
7.77% MTI-446 pymetrozine lentinan suspending agent
MTI-446 7 % by weight, pymetrozine 0.7 % by weight, lentinan 0.07 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Embodiment 14
77.7% MTI-446 pymetrozine lentinan suspending agent
MTI-446 70 % by weight, pymetrozine 7 % by weight, lentinan 0.7 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Comparative example 1
38.5% MTI-446 suspending agent
MTI-446 38.5 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Comparative example 2
38.5% pymetrozine suspension agent
Pymetrozine 38.5 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Comparative example 3
38.5% lentinan suspending agent
Lentinan 38.5 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Comparative example 4
38.5% MTI-446 pymetrozine suspension agent
MTI-446 19.25 % by weight, pymetrozine 19.25 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Comparative example 5
38.5% MTI-446 lentinan suspending agent
MTI-446 28.5 % by weight, lentinan 10 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Comparative example 6
38.5% pymetrozine lentinan suspending agent
Pymetrozine 33.8 % by weight, lentinan 4.7 % by weight, sodium lignin sulfonate 4 % by weight, xanthans 0.2 % by weight, aluminium-magnesium silicate 0.5 % by weight, silicone defoaming agent 0.1 % by weight, water is added into 100 % by weight.
Testing example 1
The rice field test of pesticide effectiveness is carried out to agricultural chemicals obtained in above-described embodiment and comparative example.
Test is located in the farmland covered by contract of Huai'an, Jiangsu Province one peasant household, and rice varieties is elegant water-04.Experimental field is continuous cropping rice field, soil pH value 7.5, middle fertility.Application method is by the hand compression sprayer even spraying of sharp agriculture HD-400 type, blank spray equivalent clear water.Test same day is fine day, temperature 29 ~ 32 DEG C, relative moisture 60 ~ 76%.Duration of test temperature 24 ~ 36 DEG C, relative moisture 40 ~ 85%.
Investigation method: every community diagonal 5 samplings, often some investigation is connected 5 clumps, amounts to 25 clumps, and after the front and medicine of medicine, 15d carries out efficacy survey.
The control efficiency computational methods of rice fulgorid: the borer population alive of investigation method record 25 clumps of paddy rice as described above, calculate preventive effect 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 anosis; 1 grade be plant without obvious dwarfing, within aspect ratio healthy tree short 20%; 3 grades is plant dwarfing, and aspect ratio healthy tree is short by 20% ~ 35%; Seriously downgrade for plant for 5 grades, aspect ratio healthy tree is short by 35% ~ 50%; 7 grades are seriously stunt for plant, and aspect ratio healthy tree is short by more than 50%, or dead.Disease index and control efficiency is calculated by formula (3) and (4).
Stripe disease severity Scaling standard is as follows: 0 grade is anosis, or morbidity stem tiller grows normal Newborn Leaves; 1 grade there is a small amount of chlorisis macula lutea for lobus cardiacus base portion along vein, not curling, and 3 grades occur the yellowish green alternate striped parallel with vein for Newborn Leaves, slightly curling; 5 grades is that a large amount of chlorosis striped parallel with vein appears in Newborn Leaves, leaf rolling, thin and delicate; 7 grades is plant dwarfing, and blade occurs that yellow-white striped is rolled, and Newborn Leaves distortion is sagging, can not normally open a business; 9 grades seriously downgrade for plant, chlorosis or death.Concrete control efficiency is in table 1.
Table 1
| Embodiment | Amount of application (g/ mu) | Rice fulgorid control efficiency (%) | Black streak dwarf control efficiency (%) | Stripe virus disease control efficiency (%) |
| 1 | 15 | 80.6 | 82.3 | 80.8 |
| 2 | 15 | 86.2 | 85.3 | 85.8 |
| 3 | 15 | 90.2 | 90.6 | 91.9 |
| 4 | 15 | 93.8 | 95.6 | 96.2 |
| 5 | 15 | 90.3 | 91.6 | 92.3 |
| 6 | 15 | 85.7 | 86.9 | 87.2 |
| 7 | 15 | 82.3 | 81.5 | 83.7 |
| 8 | 30 | 94.7 | 96.2 | 97.6 |
| 9 | 7.5 | 92.7 | 94.1 | 94.5 |
| 10 | 75 | 92.1 | 93.8 | 94.2 |
| 11 | 15 | 78.9 | 80.4 | 78.8 |
| 12 | 15 | 80.0 | 79.2 | 78.5 |
| 13 | 15 | 77.2 | 78.6 | 76.2 |
| 14 | 15 | 76.8 | 80.1 | 77.0 |
| Comparative example 1 | 15 | 55.2 | 50.8 | 51.3 |
| Comparative example 2 | 15 | 57.3 | 52.3 | 52.7 |
| Comparative example 3 | 15 | 0 | 63.6 | 64.8 |
| Comparative example 4 | 15 | 70.3 | 57.2 | 56.7 |
| Comparative example 5 | 15 | 66.7 | 67.2 | 67.9 |
| Comparative example 6 | 15 | 67.1 | 66.8 | 66.5 |
Testing example 2
Corn field control effectiveness test is carried out to agricultural chemicals obtained in above-described embodiment and comparative example.
Test is located at the demonstration field, agricultural [technology center, Donggang City that Liaoning Province small brown rice planthopper retransmits district, and soil fertility is medium, and irrigation condition is good, and rice varieties is distant round-grained rice 9, and planting patterns is that drought educates rice transplantation by hand, and plot area is 60m
2, repeat for 4 times, random district group arranges.Adopt Xin Jia slope profit agriculture HD-400 Backpack-type high-pressure sprayer, the dispenser amount of being watered is 750kg/hm
2, manual even spraying.
Corn small brown rice planthopper investigation method: before every community dispenser, after dispenser, 15d investigates small brown rice planthopper population number, calculates control efficiency according to formula (5).
MRDV investigation method: 30 days investigation plant state of an illness after dispenser.Severity Scaling standard is: 0 grade is healthy tree; 1 grade is the minimizing of grain number or strain production loss less than 50%, and plant height is 2/3 of healthy tree; 2 grades for grain number, strain production loss 51% ~ 65% plant height be 2/3 of healthy tree; 3 grades is grain number, strain production loss 66% ~ 80%, and plant height is 3/5 of healthy tree; 4 grades is grain number, strain production loss 81% ~ 95%, and plant height is 3/5 of healthy tree; 5 grades is grain number, strain production loss more than 96%, and plant height is less than 1/2 of healthy tree.Calculate concrete control efficiency according to formula (3) and formula (4), the results are shown in Table 2.
Table 2
| Embodiment | Amount of application (g/ mu) | Small brown rice planthopper control efficiency (%) | Rough dwarf disease control efficiency (%) |
| 1 | 15 | 82.6 | 81.5 |
| 2 | 15 | 87.2 | 85.3 |
| 3 | 15 | 91.5 | 90.2 |
| 4 | 15 | 95.7 | 96.2 |
| 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 |
| 12 | 15 | 81.5 | 78.0 |
| 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 agricultural chemicals obtained in above-described embodiment and comparative example
Test is located in the tomato in plastic greenhouse of Changping District, Beijing one peasant household to be carried out, and first crop crop is Chinese cabbage, and test soil is garden loam, and neutral, planting vegetable for many years, fertility is better.Examination tomato variety is supplied to be No. 18, gold hat.Application method is by the hand compression sprayer even spraying of sharp agriculture HD-400 type, blank spray equivalent clear water.
Tomato virus disease investigation method: every random 5 samplings in community, often some investigation 6 strains, record investigation total strain number, diseased plant number at different levels in units of strain.Severity Scaling method: 0 grade is asymptomatic; 1 grade is bright arteries and veins, light floral leaf; 3 grades is lobus cardiacus and middle leaf sheet floral leaf; 5 grades is lobus cardiacus and middle leaf sheet floral leaf, minority leaf malformation, and Zou's contracting or plant are slightly downgraded; 7 grades of floral leaves of attaching most importance to, most leaf malformation, Zou's contracting or plant are downgraded; 9 grades of floral leaves of attaching most importance to, blade is deformity, line industry obviously, and plant is seriously downgraded, even dead.14 days investigation prevention effects before dispenser and after dispenser.Disease index and control efficiency is calculated by formula (3) and (4).
The investigation method of tomato aphid: investigation insect population radix before medicine.After spray medicine, 7d investigates residual worm amount (with diagonal 5 sampling, often 6 strains, apart from the residual worm amount of 30cm place, top investigation), calculates Revision insect recluced rate and Rectifying efficacies by formula (1) and (2).Concrete result of the test is in table 3.
Table 3
| Embodiment | Amount of application (g/ mu) | 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 |
| 4 | 15 | 96.2 | 96.3 |
| 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 |
| 12 | 15 | 83.1 | 84.0 |
| 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 |
As can be seen from the data in table 1 to table 3, composition pesticide provided by the invention can prevent and treat the multiple damage by disease and insect that crops mixing occurs simultaneously, between three kinds of active components in composition pesticide, there is synergistic function, can control efficiency be improved, the health of crops can be improved further.
It can also be seen that in addition, in composition pesticide of the present invention active component weight ratio can at 1:(0.1-10): all there is preventive and therapeutic effect in the scope of (0.01-1), and be 1:(1-5 in weight ratio): during the preferable range of (0.1-0.5), control efficiency increases further, and the synergistic effect between active component also significantly increases; Can find, when the total content of the active component in composition pesticide is 20-50 % by weight, its control efficiency can promote to some extent simultaneously.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a composition pesticide, is characterized in that, said composition contains active component MTI-446, pymetrozine and lentinan.
2. composition pesticide according to claim 1, wherein, the weight ratio of described active component MTI-446, pymetrozine and lentinan is 1:(0.1-10): (0.01-1).
3. composition pesticide according to claim 1, wherein, the weight ratio of described active component MTI-446, pymetrozine and lentinan is 1:(1-5): (0.1-0.5).
4. composition pesticide according to claim 1, wherein, described composition is also containing auxiliary agent, and the gross weight of described active component is the 7-78% of described composition pesticide gross weight, and all the other are auxiliary agent.
5. composition pesticide according to claim 4, wherein, the gross weight of described active component is the 20-50% of described composition pesticide gross weight, and all the other are auxiliary agent.
6. composition pesticide according to claim 4, wherein, described auxiliary agent contain in dispersant, wetting agent, emulsifier, thickener, antifreezing agent, binding agent, defoamer, oil-based media, water and solid inert carrier one or more.
7. composition pesticide according to claim 6, wherein, in described auxiliary agent, dispersant is at least one in sodium lignin sulfonate, naphthylmethylene polymers sulfonate, polycarboxylate and polyoxyethylene poly-oxygen propylene aether block copolymer; Wetting agent is lauryl sodium sulfate, sldium lauryl sulfate, at least one pulled open in powder, fatty alcohol-polyoxyethylene ether and alkylphenol polyoxyethylene; Emulsifier is at least one in calcium dodecyl benzene sulfonate, succinate sodium sulfonate, sorbitan trioleate, cithrol, fatty alcohol-polyoxyethylene ether and castor oil polyoxyethylene ether; Thickener is at least one in aluminium-magnesium silicate, xanthans and organobentonite; Oil-based media is at least one in methyl oleate, paraffin oil, white oil and soybean oil.
8. according to the application of the composition pesticide in claim 1-7 described in any one in control corps diseases.
9. application according to claim 8, wherein, described crops are at least one in paddy rice, corn, cotton, vegetables and flowers.
10. application according to claim 8, wherein, described corps diseases is at least one in virus disease, rough dwarf disease, black streak dwarf, stripe virus disease, rice fulgorid, small brown rice planthopper and aphid.
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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 |
| CN110679591A (en) * | 2019-10-28 | 2020-01-14 | 上海悦联生物科技有限公司 | Pesticide composition and preparation method thereof |
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| CN105165880B (en) | 2017-11-10 |
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