CN102726444A - Sterilization composition containing Dufulin - Google Patents
Sterilization composition containing Dufulin Download PDFInfo
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- CN102726444A CN102726444A CN2012102154310A CN201210215431A CN102726444A CN 102726444 A CN102726444 A CN 102726444A CN 2012102154310 A CN2012102154310 A CN 2012102154310A CN 201210215431 A CN201210215431 A CN 201210215431A CN 102726444 A CN102726444 A CN 102726444A
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Abstract
The present invention discloses a sterilization composition containing Dufulin, wherein the active ingredient is prepared by compounding Dufulin A and a strobilurins sterilant B, the strobilurins sterilant B is one selected from azoxystrobin, kresoxim-methyl, pyraclostrobin, and picoxystrobin, a weight ratio of the Dufulin A to the strobilurins sterilant B is 50:1-1:50, the total weight of the Dufulin A and the strobilurins sterilant B is 5-80% of the total weight of the sterilization composition, and the sterilization composition can be prepared into a wettable powder agent, a suspending agent, water-dispersible granules and other conventional formations. The composition of the present invention is used for prevention and treatment of crop plant diseases, and has advantages of high efficiency, low environment pollution, delaying of pathogen resistance generation, and the like.
Description
Technical field
The invention belongs to technical field of pesticide, relate to composition pesticide, relate to a kind of bactericidal composition of toxic fluorine phosphorus specifically.
Background technology
Poison fluorine phosphorus (N-[2-(4-methylbenzothiazole base)]-2. amino-2-fluoro phenyl-O; The O-diethyl phosphonate) is the fluorine-containing phosphoramidate class novel antiviral medicament of novel structure; Can be through activating tobacco bigcatkin willow acid signal conduction path; Improve the salicylic content of signaling molecule, thereby promote the expression of downstream pathogenesis-related proteins; Through evoking tobacco PAL, POD, the active anti-virus ability that obtains of SOD defensive ferment; Reduce the invasion of virus through assembling the TMV particle to the host.Because environmentally friendly, the production technology of this medicament is simple, three-waste free pollution, the more commercially available medicament of production cost are low, simultaneously also with improving the plant disease-resistant ability, so this medicament is expected to the bigger effect of performance in the integrated control viroses of plant.
Methoxy acrylic (strobilurins) bactericide is one type of low toxicity, efficient, wide spectrum, systemic fungicide; Have protection, treatment and eradicant action; Its mechanism of action is to act on the cytochrome compound; The electron transfer process of blocking-up germ mitochondrial respiratory chain suppresses the supply of germ cellular energy, makes germ cell lack of energy dead; This series bactericidal agent comprises Fluoxastrobin, kresoxim-methyl, pyraclostrobin, ZEN 90160 etc.; Germs such as Ascomycetes, Basidiomycetes, deuteromycetes and Oomycete are all had good activity, can prevent and treat the disease such as powdery mildew, rust, downy mildew, eqpidemic disease, anthracnose of various crop.To crop, people and animals and beneficial organism safety, and there is not cross resistance with other bactericide commonly used.But because action site is single, be prone to develop immunity to drugs, existing powdery mildew is to the report of generation resistances such as Fluoxastrobin in Europe.
Methoxy acrylic bactericide described in the technical scheme of the present invention is specially:
Fluoxastrobin (Azoxystrobin) is by the methoxy acrylic bactericide of a kind of efficient, the wide spectrum of Syngenta Co.,Ltd exploitation, has protection, treatment and eradicant action, permeability and interior absorption is arranged, to crop safeties such as cereal, vegetables, fruit trees.
Kresoxim-methyl (kresoxim-methyl) is by a kind of efficient, the wide spectrum of BASF Aktiengesellschaft exploitation, novel methoxy acrylic bactericide; Have protection, treat, root out, infiltration, systemic activity; Have good restraining spore germination effect, the lasting period is long, does not have cross resistance with other bactericide commonly used; To crop, people and animals and beneficial organism safety, pollution-free basically to environment.
Pyraclostrobin (Pyraclostrobin) is the New-type wide-spectrum bactericide, has protection, treatment and blade face infiltration conduction.
ZEN 90160 (Picoxystrobin) is in a single day absorbed by blade, will in xylem, move, and flows in transportation system with current; It also flows in the gas phase of blade surface and after from gas phase, absorbing the entering blade, in xylem, flows again.No rain condition descend the crop of handling with ZEN 90160 [250g (a.i.)/hm2] spraying and the crop of handling back 2h of will spraying equally to be exposed to rainfall be l0mm, reach lh compares, the result shows that both are consistent to the control efficiency of Folium Hordei Vulgaris rot.Just because of the systemic activity and the fumigation activity of ZEN 90160, thereby after the dispenser, active ingredient can effectively be reallocated and fully transmitted, so ZEN 90160 extremely has better therapeutic activity than commercial Fluoxastrobin and oxime bacterium.
For the disease control that is prone to produce resistance on the agricultural, using the different pesticide species of the mechanism of action to be mixed is best selection, if reasonable mixture ratio then can produce significant synergistic effect, makes field control effect obviously be superior to the effect of each single agent at present.Usually there is certain defective in the bactericide that contains the single-activity composition in the agricultural disease control; Continuous several times is used and is not only made pathogen be prone to develop immunity to drugs; Usage amount is big; And be prone to cause pollution, can overcome above shortcoming through rationally being mixed between the fungicidal activity composition to food and environment.The reasonably composite synergistic effect that active ingredient is produced can improve preventive effect, reduces the effective ingredient consumption, practices thrift cost, delays the drug-fast generation of pathogen, and then can alleviate even avoid the pollution of agricultural chemicals to food and environment.
Synergistic bactericidal composition of the present invention not only can improve preventive effect greatly; Reduce dosage; Reducing cost, can also avoid phytopathogen to produce the generation speed of resistance and delaying drug resistance simultaneously, is a kind of effective means that solves current agricultural chemicals list time spent resistance and cost problem.
Summary of the invention
The objective of the invention is in order to overcome the dosing that above-mentioned single bactericide exists greatly, environmental pollution is serious, the germ resistance produces shortcomings such as speed is fast and a kind of bactericidal composition of efficient, safe toxic fluorine phosphorus is provided.Under optimal proportion, composition has the notable synergistic effect, and the usage amount guaranteeing to reduce under the optimum preventive effect medicament reduces cost, and reduces the harm to environment, and is of value to and delays the drug-fast generation of germ.
Technical scheme of the present invention:
A kind of bactericidal composition of toxic fluorine phosphorus; Active ingredient is malicious fluorine phosphorus (A) and composite the forming of methoxy acrylic bactericide (B), and methoxy acrylic bactericide (B) is any one in Fluoxastrobin, kresoxim-methyl, pyraclostrobin and the ZEN 90160.
The weight ratio of said malicious fluorine phosphorus (A) and methoxy acrylic bactericide (B) is 50:1～1:50.
The weight ratio of said malicious fluorine phosphorus (A) and methoxy acrylic bactericide (B) is 20:1～1:20.
The percentage by weight that the weight summation of said malicious fluorine phosphorus (A) and methoxy acrylic bactericide (B) accounts for the bactericidal composition gross weight is 5 ~ 80%; Preferred weight percent is 10 ~ 60%; Surplus is to allow in the agricultural chemicals to use and the acceptable auxiliary element auxiliary agent, solvent or filler.
Bactericidal composition of the present invention can adopt method known to those skilled in the art to be prepared into the regular dosage form in the agricultural chemicals such as wetting powder, suspending agent, water dispersible granules.
The auxiliary agent that uses in the composition of the present invention comprises that solvent, dispersant, emulsifier, stabilizing agent, antifreezing agent, wetting agent etc. and other are of value to the known substance that active ingredient is stablized and drug effect is brought into play in preparation; All be the various compositions of using or allow use in the pesticidal preparations always; Do not have special qualification, concrete composition and consumption require to confirm through simple experiment according to prescription.
Product described in the invention can the finished product preparation form provide, and promptly each material mixes in the composition, and the composition of composition also can provide with single agent form, directly in bucket or jar, directly mixes before the use, is diluted to required concentration then.
Use in the multiple diseases of bactericidal composition of the present invention on preventing and treating various crop, composition of the present invention can be used by common method, and like cast, spraying, distribution, its amount of application is with weather condition or crop state variation.
Advantage of the present invention:
1, bactericidal composition of the present invention is become to be grouped into by two kinds of mechanism of action different effective, has obvious role in synergism after being mixed, and has improved control efficiency, also helps overcoming simultaneously and delays the drug-fast generation of germ.
2, present composition medicament is mixed and has reduced dosage, thereby has reduced cost and alleviated the pollution to environment, and safety is good, meets the security requirement of pesticidal preparations.
3, the bactericidal composition that provides of the present invention has the better prevention effect to the various crop multiple diseases.
Specific embodiment
The combination of active principles of different agricultural chemicals is processed agricultural chemicals, be exploitation at present and development novel pesticide and control agricultural go up the resistance germ a kind of effectively with mode efficiently.The agricultural chemicals of different cultivars shows three kinds of type of action: summation action, synergistic effect and antagonism after mixing usually.Compound synergic is well filled a prescription, and can obviously improve actual control efficiency, and reduce the usage amount of agricultural chemicals, thereby delay the drug-fast generation speed of germ widely, be the important means of integrated control disease.
The inventor finds that malicious fluorine phosphorus and methoxy acrylic bactericide combination antagonism germ has synergistic function significantly, and is not only the simple addition of two kinds of medicaments that through a large amount of screening tests this can know from following biologicall test instance and find out.
Biologicall test instance 1: the composite Toxicity Determination of any one in malicious fluorine phosphorus and Fluoxastrobin, kresoxim-methyl, pyraclostrobin, the ZEN 90160 to rice blast fungus
Subjects: the rice blast fungus that picks up from the field
Test method: with reference to " the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC) ", pot-culture method.Choose the consistent paddy rice seedling in tri-leaf period of growth potential, every basin 2 young plants, each processing selects for use 5 basins to supply the examination rice seedling.Pyricularia oryzae is cultivated on tomato oat agar medium, washed spore with sterile water behind the product spore, process 1 * 10
5The suspension of individual spore/mL, uniformly spray inoculation is in supplying on the examination rice seedling, puts the black plastic bag after the inoculation and preserves moisture and cultivate 24h.Behind the inoculation 24h, carry out chemicals treatment, each medicament is provided with 5 concentration gradients, under 50PSI pressure, sprays the about 5mL of every basin with the Potter spray tower.Behind the spray medicine, rice seedling is placed about 25 ℃, cultivates under the condition of relative moisture >=90%, according to the disease index of the whole strain blade of morbidity grade scale investigation of rice blast, and calculate control efficiency behind the 7d.
Control efficiency is converted into probability value (y), and liquor strength (μ g/ml) converts logarithm value (x) to, concentration EC in calculating the virulence equation and suppress with method of least squares
50, according to the toxicity index and the co-toxicity coefficient (CTC) of the abundant method calculating of Sun Yun medicament.
When CTC≤80, then the composition performance is for antagonism, and when 80＜CTC＜120, then the composition performance is for summation action, and when CTC>=120, then the composition performance is synergistic effect.
Actual measurement toxicity index (ATI)=(standard medicament EC
50/ confession reagent agent EC
50) * 100
The percentage composition of B in percentage composition+B medicament toxicity index * mixture of A in theoretical toxicity index (TTI)=A medicament toxicity index * mixture
Co-toxicity coefficient (CTC)=[mixture actual measurement toxicity index (the ATI)/theoretical toxicity index (TTI) of mixture] * 100
Toxicity test result's (table 1) shows, the proportioning of malicious fluorine phosphorus and Fluoxastrobin has obvious synergistic effect to Pyricularia oryzae between 50:1～1:50 the time, and in the time of especially between 20:1～1:20, co-toxicity coefficient is more than 160.
Malicious fluorine phosphorus of table 1 and azoxystrobin compound are to the Toxicity Determination result of rice blast fungus
| Handle | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus | 23.67 | 100.00 | - | - |
| Fluoxastrobin | 0.031 | 76354.84 | - | - |
| Poison fluorine phosphorus 50: Fluoxastrobin 1 | 0.86 | 2754.61 | 2320.65 | 118.7 |
| Poison fluorine phosphorus 40: Fluoxastrobin 1 | 0.77 | 3082.97 | 2309.34 | 133.5 |
| Poison fluorine phosphorus 30: Fluoxastrobin 1 | 0.69 | 3454.44 | 2290.75 | 150.8 |
| Poison fluorine phosphorus 20: Fluoxastrobin 1 | 0.63 | 3782.94 | 2254.43 | 167.8 |
| Poison fluorine phosphorus 10: Fluoxastrobin 1 | 0.61 | 3865.17 | 2152.10 | 179.6 |
| Poison fluorine phosphorus 1: Fluoxastrobin 1 | 1.04 | 2265.82 | 1185.05 | 191.2 |
| Poison fluorine phosphorus 1: Fluoxastrobin 10 | 5.56 | 425.97 | 218.00 | 195.4 |
| Poison fluorine phosphorus 1: Fluoxastrobin 20 | 11.39 | 207.85 | 115.67 | 179.7 |
| Poison fluorine phosphorus 1: Fluoxastrobin 30 | 18.55 | 127.60 | 79.35 | 160.8 |
| Poison fluorine phosphorus 1: Fluoxastrobin 40 | 27.59 | 85.79 | 60.76 | 141.2 |
| Poison fluorine phosphorus 1: Fluoxastrobin 50 | 37.02 | 63.94 | 49.45 | 129.3 |
Fluoxastrobin in the top instance replaces with kresoxim-methyl, rice blast indoor biometrics result of the test shown, and be between 50:1～1:50 in proportioning, have obvious synergistic effect equally, co-toxicity coefficient all more than 120, sees table 2 for details.
Malicious fluorine phosphorus of table 2 and the composite Toxicity Determination result of kresoxim-methyl to rice blast fungus
| Handle | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus | 23.67 | 100.00 | - | - |
| Kresoxim-methyl | 0.092 | 25728.26 | - | - |
| Poison fluorine phosphorus 50: kresoxim-methyl 1 | 0.84 | 2812.77 | 2320.77 | 121.2 |
| Poison fluorine phosphorus 40: kresoxim-methyl 1 | 0.76 | 3110.89 | 2309.49 | 134.7 |
| Poison fluorine phosphorus 30: kresoxim-methyl 1 | 0.69 | 3443.29 | 2290.94 | 150.3 |
| Poison fluorine phosphorus 20: kresoxim-methyl 1 | 0.60 | 3948.02 | 2254.72 | 175.1 |
| Poison fluorine phosphorus 10: kresoxim-methyl 1 | 0.58 | 4092.20 | 2152.65 | 190.1 |
| Poison fluorine phosphorus 1: kresoxim-methyl 1 | 0.94 | 2512.83 | 1188.10 | 211.5 |
| Poison fluorine phosphorus 1: kresoxim-methyl 10 | 5.58 | 424.29 | 223.55 | 189.8 |
| Poison fluorine phosphorus 1: kresoxim-methyl 20 | 12.10 | 195.58 | 121.48 | 161.0 |
| Poison fluorine phosphorus 1: kresoxim-methyl 30 | 18.51 | 127.89 | 85.26 | 150.0 |
| Poison fluorine phosphorus 1: kresoxim-methyl 40 | 24.40 | 96.99 | 66.71 | 145.4 |
| Poison fluorine phosphorus 1: kresoxim-methyl 50 | 32.80 | 72.17 | 55.43 | 130.2 |
Kresoxim-methyl in the top instance replaces with pyraclostrobin, rice blast indoor biometrics result of the test shown, and be between 50:1～1:50 in proportioning, have obvious synergistic effect equally, co-toxicity coefficient all more than 110, sees table 3 for details.
Malicious fluorine phosphorus of table 3 and the composite Toxicity Determination result of pyraclostrobin to rice blast fungus
| Handle | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus | 23.67 | 100.00 | - | - |
| Pyraclostrobin | 0.028 | 84535.71 | - | - |
| Poison fluorine phosphorus 50: pyraclostrobin 1 | 0.88 | 2685.13 | 2320.77 | 115.7 |
| Poison fluorine phosphorus 40: pyraclostrobin 1 | 0.83 | 2854.53 | 2309.49 | 123.6 |
| Poison fluorine phosphorus 30: pyraclostrobin 1 | 0.79 | 2991.97 | 2290.94 | 130.6 |
| Poison fluorine phosphorus 20: pyraclostrobin 1 | 0.76 | 3104.75 | 2254.72 | 137.7 |
| Poison fluorine phosphorus 10: pyraclostrobin 1 | 0.73 | 3239.75 | 2152.65 | 150.5 |
| Poison fluorine phosphorus 1: pyraclostrobin 1 | 1.18 | 2011.45 | 1188.10 | 169.3 |
| Poison fluorine phosphorus 1: pyraclostrobin 10 | 5.85 | 404.84 | 223.55 | 181.1 |
| Poison fluorine phosphorus 1: pyraclostrobin 20 | 10.78 | 219.63 | 121.48 | 180.8 |
| Poison fluorine phosphorus 1: pyraclostrobin 30 | 16.22 | 145.96 | 85.26 | 171.2 |
| Poison fluorine phosphorus 1: pyraclostrobin 40 | 23.48 | 100.79 | 66.71 | 151.1 |
| Poison fluorine phosphorus 1: pyraclostrobin 50 | 34.92 | 67.79 | 55.43 | 122.3 |
Pyraclostrobin in the top instance replaces with ZEN 90160, rice blast indoor biometrics result of the test shown, and be between 50:1～1:50 in proportioning, have obvious synergistic effect equally, co-toxicity coefficient all more than 110, sees table 4 for details.
Malicious fluorine phosphorus of table 4 and the composite Toxicity Determination result of ZEN 90160 to rice blast fungus
| Handle | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus | 23.67 | 100.00 | - | - |
| ZEN 90160 | 0.042 | 56357.14 | - | - |
| Poison fluorine phosphorus 50: ZEN 90160 1 | 0.93 | 2557.38 | 2320.67 | 110.2 |
| Poison fluorine phosphorus 40: ZEN 90160 1 | 0.84 | 2826.67 | 2309.37 | 122.4 |
| Poison fluorine phosphorus 30: ZEN 90160 1 | 0.79 | 3014.67 | 2290.78 | 131.6 |
| Poison fluorine phosphorus 20: ZEN 90160 1 | 0.72 | 3300.57 | 2254.49 | 146.4 |
| Poison fluorine phosphorus 10: ZEN 90160 1 | 0.67 | 3557.59 | 2152.20 | 165.3 |
| Poison fluorine phosphorus 1: ZEN 90160 1 | 1.07 | 2220.63 | 1185.60 | 187.3 |
| Poison fluorine phosphorus 1: ZEN 90160 10 | 5.63 | 420.26 | 219.00 | 191.9 |
| Poison fluorine phosphorus 1: ZEN 90160 20 | 11.36 | 208.45 | 116.71 | 178.6 |
| Poison fluorine phosphorus 1: ZEN 90160 30 | 18.78 | 126.02 | 80.42 | 156.7 |
| Poison fluorine phosphorus 1: ZEN 90160 40 | 27.72 | 85.39 | 61.83 | 138.1 |
| Poison fluorine phosphorus 1: ZEN 90160 50 | 38.68 | 61.19 | 50.53 | 121.1 |
Biologicall test instance 2: the composite Toxicity Determination of any one in malicious fluorine phosphorus and Fluoxastrobin, kresoxim-methyl, pyraclostrobin, the ZEN 90160 to tobacco virus
Subjects: tobacco virus
Test method: indoor pot tobacco susceptible variety plant is to the 4-5 leaf phase, mixes isopyknic viral juice frictional inoculation, every processing 3 strains with the medicament of different proportioning variable concentrations; Whenever 3 leaves of selecting good strains in the field for seed repeat 3-4 days " Invest, Then Investigate " withered spot numbers 4 times; Calculate inhibiting rate, use EC
50Value is calculated the toxicity index and the co-toxicity coefficient (CTC) of medicament according to the abundant method of Sun Yun.
Toxicity test result's (table 5) shows, the proportioning of malicious fluorine phosphorus and Fluoxastrobin has obvious synergistic effect to tobacco virus between 50:1～1:50 the time, and in the time of especially between 20:1～1:20, co-toxicity coefficient is more than 160.
Malicious fluorine phosphorus of table 5 and azoxystrobin compound are to the Toxicity Determination result of tobacco virus
| Handle | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus | 7.81 | 303.07 | - | - |
| Fluoxastrobin | 12.51 | 62.43 | - | - |
| Poison fluorine phosphorus 50: Fluoxastrobin 1 | 0.89 | 874.77 | 790.22 | 110.7 |
| Poison fluorine phosphorus 40: Fluoxastrobin 1 | 0.74 | 1050.01 | 792.46 | 132.5 |
| Poison fluorine phosphorus 30: Fluoxastrobin 1 | 0.65 | 1192.65 | 796.16 | 149.8 |
| Poison fluorine phosphorus 20: Fluoxastrobin 1 | 0.58 | 1340.04 | 803.38 | 166.8 |
| Poison fluorine phosphorus 10: Fluoxastrobin 1 | 0.53 | 1471.18 | 823.73 | 178.6 |
| Poison fluorine phosphorus 1: Fluoxastrobin 1 | 0.42 | 1861.31 | 1016.00 | 183.2 |
| Poison fluorine phosphorus 1: Fluoxastrobin 10 | 0.34 | 2312.63 | 1208.27 | 191.4 |
| Poison fluorine phosphorus 1: Fluoxastrobin 20 | 0.36 | 2183.26 | 1228.62 | 177.7 |
| Poison fluorine phosphorus 1: Fluoxastrobin 30 | 0.38 | 2073.74 | 1235.84 | 167.8 |
| Poison fluorine phosphorus 1: Fluoxastrobin 40 | 0.42 | 1861.78 | 1239.54 | 150.2 |
| Poison fluorine phosphorus 1: Fluoxastrobin 50 | 0.49 | 1593.21 | 1241.78 | 128.3 |
Fluoxastrobin in the top instance replaces with kresoxim-methyl, tobacco virus indoor biometrics result of the test shown, and be between 50:1～1:50 in proportioning, have obvious synergistic effect equally, co-toxicity coefficient all more than 110, sees table 6 for details.
Malicious fluorine phosphorus of table 6 and the composite Toxicity Determination result of kresoxim-methyl to tobacco virus
| Handle | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus | 7.81 | 303.07 | - | - |
| Kresoxim-methyl | 13.63 | 57.30 | - | - |
| Poison fluorine phosphorus 50: kresoxim-methyl 1 | 0.84 | 928.71 | 792.41 | 117.2 |
| Poison fluorine phosphorus 40: kresoxim-methyl 1 | 0.74 | 1055.22 | 795.20 | 132.7 |
| Poison fluorine phosphorus 30: kresoxim-methyl 1 | 0.62 | 1266.04 | 799.77 | 158.3 |
| Poison fluorine phosphorus 20: kresoxim-methyl 1 | 0.59 | 1319.01 | 808.71 | 163.1 |
| Poison fluorine phosphorus 10: kresoxim-methyl 1 | 0.54 | 1435.16 | 833.91 | 172.1 |
| Poison fluorine phosphorus 1: kresoxim-methyl 1 | 0.38 | 2042.16 | 1072.00 | 190.5 |
| Poison fluorine phosphorus 1: kresoxim-methyl 10 | 0.32 | 2407.95 | 1310.09 | 183.8 |
| Poison fluorine phosphorus 1: kresoxim-methyl 20 | 0.34 | 2283.34 | 1335.29 | 171.0 |
| Poison fluorine phosphorus 1: kresoxim-methyl 30 | 0.37 | 2110.43 | 1344.23 | 157.0 |
| Poison fluorine phosphorus 1: kresoxim-methyl 40 | 0.43 | 1826.28 | 1348.80 | 135.4 |
| Poison fluorine phosphorus 1: kresoxim-methyl 50 | 0.48 | 1624.61 | 1351.59 | 120.2 |
Kresoxim-methyl in the top instance replaces with pyraclostrobin, tobacco virus indoor biometrics result of the test shown, and be between 50:1～1:50 in proportioning, have obvious synergistic effect equally, co-toxicity coefficient all more than 110, sees table 7 for details.
Malicious fluorine phosphorus of table 7 and the composite Toxicity Determination result of pyraclostrobin to tobacco virus
| Handle | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus | 7.81 | 100.00 | - | - |
| Pyraclostrobin | 10.37 | 75.31 | - | - |
| Poison fluorine phosphorus 50: pyraclostrobin 1 | 0.89 | 877.98 | 786.02 | 111.7 |
| Poison fluorine phosphorus 40: pyraclostrobin 1 | 0.80 | 973.03 | 787.24 | 123.6 |
| Poison fluorine phosphorus 30: pyraclostrobin 1 | 0.70 | 1117.59 | 789.26 | 141.6 |
| Poison fluorine phosphorus 20: pyraclostrobin 1 | 0.58 | 1338.11 | 793.19 | 168.7 |
| Poison fluorine phosphorus 10: pyraclostrobin 1 | 0.55 | 1427.58 | 804.27 | 177.5 |
| Poison fluorine phosphorus 1: pyraclostrobin 1 | 0.45 | 1720.74 | 909.00 | 189.3 |
| Poison fluorine phosphorus 1: pyraclostrobin 10 | 0.39 | 1987.92 | 1013.73 | 196.1 |
| Poison fluorine phosphorus 1: pyraclostrobin 20 | 0.43 | 1832.36 | 1024.81 | 178.8 |
| Poison fluorine phosphorus 1: pyraclostrobin 30 | 0.50 | 1555.46 | 1028.74 | 151.2 |
| Poison fluorine phosphorus 1: pyraclostrobin 40 | 0.57 | 1361.63 | 1030.76 | 132.1 |
| Poison fluorine phosphorus 1: pyraclostrobin 50 | 0.63 | 1241.47 | 1031.98 | 120.3 |
Pyraclostrobin in the top instance replaces with ZEN 90160, tobacco virus indoor biometrics result of the test shown, and be between 50:1～1:50 in proportioning, have obvious synergistic effect equally, co-toxicity coefficient all more than 110, sees table 8 for details.
Malicious fluorine phosphorus of table 8 and the composite Toxicity Determination result of ZEN 90160 to tobacco virus
| Handle | EC 50(μg/ml) | ATI | TTI | CTC |
| Poison fluorine phosphorus | 7.81 | 100.00 | - | - |
| ZEN 90160 | 10.11 | 77.25 | - | - |
| Poison fluorine phosphorus 50: ZEN 90160 1 | 0.90 | 866.42 | 785.51 | 110.3 |
| Poison fluorine phosphorus 40: ZEN 90160 1 | 0.77 | 1012.37 | 786.61 | 128.7 |
| Poison fluorine phosphorus 30: ZEN 90160 1 | 0.71 | 1107.73 | 788.42 | 140.5 |
| Poison fluorine phosphorus 20: ZEN 90160 1 | 0.62 | 1261.58 | 791.95 | 159.3 |
| Poison fluorine phosphorus 10: ZEN 90160 1 | 0.55 | 1412.16 | 801.91 | 176.1 |
| Poison fluorine phosphorus 1: ZEN 90160 1 | 0.46 | 1691.65 | 896.00 | 188.8 |
| Poison fluorine phosphorus 1: ZEN 90160 10 | 0.46 | 1695.04 | 990.09 | 171.2 |
| Poison fluorine phosphorus 1: ZEN 90160 20 | 0.48 | 1621.08 | 1000.05 | 162.1 |
| Poison fluorine phosphorus 1: ZEN 90160 30 | 0.52 | 1508.38 | 1003.58 | 150.3 |
| Poison fluorine phosphorus 1: ZEN 90160 40 | 0.56 | 1396.49 | 1005.39 | 138.9 |
| Poison fluorine phosphorus 1: ZEN 90160 50 | 0.66 | 1178.60 | 1006.49 | 117.1 |
Bactericidal composition of the present invention can be prepared into known method and be fit to any one formulation that agricultural is used, and reasonable formulation is wetting powder, suspending agent, water dispersible granules.
In order to make the object of the invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is limited to these examples absolutely not.The following stated is merely the present invention embodiment preferably, only in order to explain the present invention, can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that all any modifications of within spirit of the present invention and principle, being made, be equal to replacement and improvement etc., all should be included within protection scope of the present invention.Percentage all is weight percentage in all prescriptions.The processing technology of each preparation of the present composition is prior art, can change to some extent according to different situations.
Embodiment 1:5% poison Fu Lin ﹒ Fluoxastrobin suspending agent
A component such as active component, dispersant, thickener, wetting agent, antifreeze and water is even by the mixed of prescription, after high speed shear, obtain 5% malicious Fu Lin ﹒ Fluoxastrobin suspending agent.
This embodiment is applied to prevent and treat rice blast.5% malicious Fu Lin ﹒ Fluoxastrobin suspending agent is according to the spraying of 300g a.i./ha thin up, and 10 days control efficiency is 88.9% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% Fluoxastrobin suspending agent is according to 300g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 73.2% and 81.4% behind the medicine.Synergistic effect is obvious behind poison fluorine phosphorus and the azoxystrobin compound, and the control efficiency of rice blast obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 2:21% poison Fu Lin ﹒ ZEN 90160 suspending agent
A component such as active component, dispersant, thickener, wetting agent, antifreeze and water is even by the mixed of prescription, after high speed shear, obtain 21% malicious Fu Lin ﹒ ZEN 90160 suspending agent.
This embodiment is applied to prevent and treat rice blast.21% malicious Fu Lin ﹒ ZEN 90160 suspending agent is according to the spraying of 300g a.i./ha thin up, and 10 days control efficiency is 88.2% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% ZEN 90160 suspending agent is according to 300g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 73.2% and 81.1% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and ZEN 90160 is obvious, and the control efficiency of rice blast obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 3:42% poison Fu Lin ﹒ ZEN 90160 wetting powder
Active component and various auxiliary agent and filler etc. is even by the mixed of prescription,, ultrafine crusher obtains 42% malicious Fu Lin ﹒ ZEN 90160 wetting powder after pulverizing.
This embodiment is applied to prevent and treat rice blast.42% malicious Fu Lin ﹒ ZEN 90160 wetting powder is according to the spraying of 300g a.i./ha thin up, and 10 days control efficiency is 90.1% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% ZEN 90160 suspending agent is according to 300g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 73.2% and 81.1% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and ZEN 90160 is obvious, and the control efficiency of rice blast obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 4:60% poison Fu Lin ﹒ pyraclostrobin wetting powder
Active component and various auxiliary agent and filler etc. is even by the mixed of prescription,, ultrafine crusher obtains 60% malicious Fu Lin ﹒ pyraclostrobin wetting powder after pulverizing.
This embodiment is applied to prevent and treat rice blast.60% malicious Fu Lin ﹒ pyraclostrobin wetting powder is according to the spraying of 200g a.i./ha thin up, and 10 days control efficiency is 89.6% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% pyraclostrobin missible oil is according to 200g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 73.2% and 79.3% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and pyraclostrobin is obvious, and the control efficiency of rice blast obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 5:51% poison Fu Lin ﹒ water dispersion granules agent of Kresoxim
Active component and various auxiliary agent and filler etc. is even by the mixed of prescription, behind comminution by gas stream, obtain wetting powder, add the granulation of a certain amount of water extrusion again, after dry screened, obtain 51% malicious Fu Lin ﹒ water dispersion granules agent of Kresoxim.
This embodiment is applied to prevent and treat rice blast.51% malicious Fu Lin ﹒ water dispersion granules agent of Kresoxim.According to the spraying of 200g a.i/ha thin up, 10 days control efficiency is 89.5% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i/ha, and 30% kresoxim-methyl wetting powder is according to 200g a.i/ha, and thin up is sprayed, and 10 days control efficiency is respectively 73.2% and 82.2% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and kresoxim-methyl is obvious, and the control efficiency of rice blast obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 6:75% poison Fu Lin ﹒ pyraclostrobin water dispersible granules
Active component and various auxiliary agent and filler etc. is even by the mixed of prescription, behind comminution by gas stream, obtain wetting powder, add the granulation of a certain amount of water extrusion again, after dry screened, obtain 75% malicious Fu Lin ﹒ pyraclostrobin water dispersible granules.
This embodiment is applied to prevent and treat rice blast.75% malicious Fu Lin ﹒ pyraclostrobin water dispersible granules is according to the spraying of 200g a.i./ha thin up, and 10 days control efficiency is 88.1% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% pyraclostrobin missible oil is according to 200g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 73.2% and 79.3% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and pyraclostrobin is obvious, and the control efficiency of rice blast obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 7:10% poison Fu Lin ﹒ pyraclostrobin suspending agent
A component such as active component, dispersant, thickener, wetting agent, antifreeze and water is even by the mixed of prescription, after high speed shear, obtain 10% malicious Fu Lin ﹒ pyraclostrobin suspending agent.
This embodiment is applied to prevent and treat tobacco virus.10% malicious Fu Lin ﹒ pyraclostrobin suspending agent is according to the spraying of 200g a.i./ha thin up, and 10 days control efficiency is 80.4% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% pyraclostrobin missible oil is according to 200g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 78.6% and 65.7% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and pyraclostrobin is obvious, and the control efficiency of tobacco virus obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 8:15% poison Fu Lin ﹒ kresoxim-methyl suspending agent
A component such as active component, dispersant, thickener, wetting agent, antifreeze and water is even by the mixed of prescription, after high speed shear, obtain 15% malicious Fu Lin ﹒ kresoxim-methyl suspending agent.
This embodiment is applied to prevent and treat tobacco virus.15% malicious Fu Lin ﹒ kresoxim-methyl suspending agent is according to the spraying of 200g a.i./ha thin up, and 10 days control efficiency is 82.5% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 30% kresoxim-methyl wetting powder is according to 200g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 78.6% and 64.8% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and kresoxim-methyl is obvious, and the control efficiency of tobacco virus obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 9:30% poison Fu Lin ﹒ Fluoxastrobin wetting powder
Active component and various auxiliary agent and filler etc. is even by the mixed of prescription,, ultrafine crusher obtains 30% malicious fluorine phosphorus ﹒ Fluoxastrobin wetting powder after pulverizing.
This embodiment is applied to prevent and treat tobacco virus.30% malicious Fu Lin ﹒ Fluoxastrobin wetting powder is according to the spraying of 300g a.i./ha thin up, and 10 days control efficiency is 82.5% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% Fluoxastrobin suspending agent is according to 300g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 78.6% and 65.3% behind the medicine.Synergistic effect is obvious behind poison fluorine phosphorus and the azoxystrobin compound, and the control efficiency of tobacco virus obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 10:80% poison Fu Lin ﹒ kresoxim-methyl wetting powder
Active component and various auxiliary agent and filler etc. is even by the mixed of prescription,, ultrafine crusher obtains 80% malicious fluorine phosphorus ﹒ kresoxim-methyl wetting powder after pulverizing.
This embodiment is applied to prevent and treat tobacco virus.80% malicious Fu Lin ﹒ kresoxim-methyl wetting powder is according to the spraying of 200g a.i./ha thin up, and 10 days control efficiency is 84.8% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 30% kresoxim-methyl wetting powder is according to 200g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 78.6% and 64.8% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and kresoxim-methyl is obvious, and the control efficiency of tobacco virus obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Embodiment 11:51% poison Fu Lin ﹒ azoxystrobin water dispersible granule
Active component and various auxiliary agent and filler etc. is even by the mixed of prescription, behind comminution by gas stream, obtain wetting powder, add the granulation of a certain amount of water extrusion again, after dry screened, obtain 51% malicious Fu Lin ﹒ azoxystrobin water dispersible granule.
This embodiment is applied to prevent and treat tobacco virus.51% malicious Fu Lin ﹒ azoxystrobin water dispersible granule is according to the spraying of 300g a.i./ha thin up, and 10 days control efficiency is 85.4% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% Fluoxastrobin suspending agent is according to 300g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 78.6% and 65.3% behind the medicine.Synergistic effect is obvious behind poison fluorine phosphorus and the azoxystrobin compound, and the control efficiency of tobacco virus obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.Embodiment 12:65% poison Fu Lin ﹒ ZEN 90160 water dispersible granules
Active component and various auxiliary agent and filler etc. is even by the mixed of prescription, behind comminution by gas stream, obtain wetting powder, add the granulation of a certain amount of water extrusion again, after dry screened, obtain 65% malicious Fu Lin ﹒ ZEN 90160 water dispersible granules.
This embodiment is applied to prevent and treat tobacco virus.65% malicious Fu Lin ﹒ ZEN 90160 water dispersible granules is according to the spraying of 300g a.i./ha thin up, and 10 days control efficiency is 86.7% behind the medicine.30% malicious fluorine phosphorus wetting powder is according to 200g a.i./ha, and 25% ZEN 90160 suspending agent is according to 300g a.i./ha, and thin up is sprayed, and 10 days control efficiency is respectively 78.6% and 65.8% behind the medicine.The composite synergistic effect afterwards of poison fluorine phosphorus and ZEN 90160 is obvious, and the control efficiency of tobacco virus obviously is better than single agent; Because pharmacy effect improves, and obviously reduces when the amount ratio of active ingredient uses separately in the compound drug, thereby has also alleviated the pollution to environment.
Claims (7)
1. the bactericidal composition of a toxic fluorine phosphorus; It is characterized in that: active ingredient is malicious fluorine phosphorus (A) and composite the forming of methoxy acrylic bactericide (B), and methoxy acrylic bactericide (B) is any one in Fluoxastrobin, kresoxim-methyl, pyraclostrobin and the ZEN 90160.
2. the bactericidal composition of toxic fluorine phosphorus according to claim 1 is characterized in that: the weight ratio of said malicious fluorine phosphorus (A) and methoxy acrylic bactericide (B) is 50: 1～1: 50.
3. the bactericidal composition of toxic fluorine phosphorus according to claim 1 is characterized in that: the weight ratio of said malicious fluorine phosphorus (A) and methoxy acrylic bactericide (B) is 20: 1～1: 20.
4. according to the bactericidal composition of the arbitrary described toxic fluorine phosphorus of claim 1 to 3, it is characterized in that: said bactericidal composition is prepared into wetting powder, suspending agent, water dispersible granules.
5. the bactericidal composition of toxic fluorine phosphorus according to claim 4; It is characterized in that: the percentage by weight that the weight summation of said malicious fluorine phosphorus (A) and methoxy acrylic bactericide (B) accounts for the bactericidal composition gross weight is 5 ~ 80%, and surplus is acceptable auxiliary element auxiliary agent, solvent or a filler on the agricultural chemicals.
6. the bactericidal composition of toxic fluorine phosphorus according to claim 4; It is characterized in that: the percentage by weight that the weight summation of said malicious fluorine phosphorus (A) and methoxy acrylic bactericide (B) accounts for the bactericidal composition gross weight is 10 ~ 60%, and surplus is acceptable auxiliary element auxiliary agent, solvent or a filler on the agricultural chemicals.
7. according to the bactericidal composition of claim 5 or 6 described toxic fluorine phosphorus, it is characterized in that: its application in preventing and treating crop pest.
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| CN105052994B (en) * | 2015-07-31 | 2017-04-19 | 广西田园生化股份有限公司 | Pesticide composition containing Dufulin and Xinjunan acetate, and bactericide |
| CN105052996B (en) * | 2015-07-31 | 2017-04-19 | 广西田园生化股份有限公司 | Pesticide composition containing Dufulin and thiazole bactericide, and bactericide thereof |
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| CN105052995B (en) * | 2015-07-31 | 2017-06-06 | 广西田园生化股份有限公司 | A kind of complex composition and preparation containing toxic fluoride phosphate and oxazole series bactericidal agent |
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| CN109380237A (en) * | 2017-08-08 | 2019-02-26 | 利民化工股份有限公司 | Suspending agent and preparation method thereof containing luxuriant and rich with fragrance heterocycle compound and azoxystrobin compound |
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