CN104430420A - Sterilization composition containing picoxystrobin and thioneb and application of composition - Google Patents
Sterilization composition containing picoxystrobin and thioneb and application of composition Download PDFInfo
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- CN104430420A CN104430420A CN201410686657.8A CN201410686657A CN104430420A CN 104430420 A CN104430420 A CN 104430420A CN 201410686657 A CN201410686657 A CN 201410686657A CN 104430420 A CN104430420 A CN 104430420A
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Abstract
The invention relates to a sterilization composition containing picoxystrobin and thioneb and application of the composition. According to the composition, the weight part ratio of picoxystrobin to thioneb is (40 to 1) to (1 to 40) and the weight percent of active ingredients is 1-90%. The composition has a synergistic effect by compounding picoxystrobin with thioneb and is used for preventing and controlling various diseases such as leaf spot disease, anthracnose, downy mildew, brown blotch, gummy stem blight and rice false smut on various crops.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind of bactericidal composition and the application thereof that contain ZEN 90160 and Carbatene.
Technical background
In recent years, along with the adjustment of rural area pattern of farming, planting fruit trees area constantly increases, and the occurrence degree of the many diseases on fruit tree also increases thereupon.Because old medicament is being used always, as used the medicament such as thiophanate-methyl, mancozeb for many years, make pathogen increase to the resistance of these medicaments very fast, preventive effect constantly declines, cause disease to occur more and more heavier, the bactericide kind finding new preventive effect excellence seems very urgent.
ZEN 90160 (picoxystrobin), chemical name: (E)-3-methoxy-2-[2-[6-(trifluoromethyl)-2-pyridine oxygen methyl] phenyl] methyl acrylate.Belonging to methoxy acrylic bactericide is a class low toxicity, efficient, wide spectrum, systemic fungicide, almost to all fungies (Oomycete, algae
Gammaproteobacteria, Ascomycetes and deuteromycetes) disease such as powdery mildew, rust, glume blight, net blotch, downy mildew, rice blast etc. all have good activity, and effectively can prevent and treat the pathogen series other bactericide being produced to resistance, bacterial strain 14-demethylation enzyme inhibitor, benzamides, dicarboxylic dihydrazides amine and benzimidazole being produced to resistance is effective.Cross resistance is not had with other bactericide that current market at home uses; and can degrade very soon in plant corpus, in soil and water; there is protection, treat, root out, osmosis; without features such as carcinogenic and mutagenesis, it is the extremely potential pesticide species of the another class of world pesticide circle after triazole bactericidal agent.
Zineb (Zineb), chemical name zinc ethylene bisdithiocarbamate; Carbatene (Metriam), chemical name three [ammonia (two (the two thiocarbamate esters) zinc (2+) of ethene)] [tetrahydrochysene-Isosorbide-5-Nitrae, 7-bis-thiophene diazocine-3,8-connects dithione], polymer; Propineb (Propineb), chemical name acrylic bisdithiocarbamic zinc; Tmtd (Thiram), chemical name tetramethyl thiuram disulfide; Tpn (Chlorothalonil), chloro-1, the 3-benzene dicarbonitrile of chemical name 2,4,5,6-tetra-.The above bactericide all belongs to the wider protective fungicide of fungicidal spectrum
Agent, has good prolection, and Main Function is the infringement preventing plant to be subject to disease fungus, and it has good adhesivity at plant surface, is not subject to rainwater etc. and washes away, and has the longer lasting period.But the therapeutic activity of this series bactericidal agent is very weak, and result for the treatment of is not obvious, be used alone anti-heterodyne.
The present inventor finds ZEN 90160 and the composite use of protective fungicide; the two has obviously synergistic effect within the scope of certain proportion; significance is had to improve to the control efficiency of corps diseases; and fungicidal spectrum can be expanded, delay the drug-fast generation of pathogen, so the present invention is proposed.
Summary of the invention
For the problems referred to above, the bactericidal composition that the invention provides a kind of high-efficiency low-toxicity containing ZEN 90160 and Carbatene, for controlling disease, can delay generation and the development of pathogen resistance greatly, low-consuming, preventive effect is high, low to influence degree, is beneficial to the sustainable development of agricultural production.
The present invention is achieved through the following technical solutions:
The present invention relates to a kind of bactericidal composition containing ZEN 90160 and Carbatene, the ratio of weight and number of active component ZEN 90160 and Carbatene is 40:1 ~ 1:40.As preferably, the ratio of weight and number of active component ZEN 90160 and Carbatene is 10:1 ~ 1:10.
The bactericidal composition active component weight percentage that the present invention relates to is 1 ~ 90%, add suitable known auxiliary agent and excipient, the method all known according to those skilled in the art makes the formulation being applicable to agriculturally using, and is preferably wetting powder, suspending agent, water dispersible granules.Described known auxiliary agent, excipient have dispersant, diffusant, defoamer, wetting agent, disintegrant etc.
The bactericidal composition that the present invention relates to can be used to prevent and treat the crop pest caused by disease fungus, especially prevents and treats the multiple diseases such as the leaf spot in various crop, anthracnose, downy mildew, brown spot, blight dis-ease, false smut.
Beneficial effect of the present invention: one is by ZEN 90160 and the composite use of Carbatene, because the mechanism of action is different each other, action site variation, thus greatly can delay generation and the development of pathogen resistance, be conducive to the service life extending outstanding bactericide.Two is ZEN 90160 and generation
Gloomy built agent possesses very high prolection and treatment simultaneously, roots out activity; after composite by a certain percentage, there is obvious synergistic effect, compared with single dose, can preventive effect be significantly improved; thus save dosage, drug cost and a large amount of manpower and materials, reach the effect of getting twice the result with half the effort.Three is because ZEN 90160 and Carbatene all belong to low-toxin farm chemicals, its complex preparation high-efficiency low-toxicity, consumption reduces, thus the extent of injury of environment is significantly reduced, what alleviate social environment bears pressure, there is good economic benefit, social benefit and environmental benefit, be conducive to the sustainable development of agricultural production, meet the trend of environmental protection.
Embodiment
Be described further below in conjunction with the bactericidal composition of embodiment to ZEN 90160 of the present invention and Carbatene, but the present invention is not limited thereto.
Raw survey embodiment 1: ZEN 90160 and the composite toxicity test to apple anthrax bacteria of Carbatene
Have studied the indoor virulence of mixture to apple anthrax bacteria of ZEN 90160 and Carbatene different ratio with mycelial growth rate method, experimental technique adopts the abundant method of Sun Yun to calculate co-toxicity coefficient
(CTC) evaluate mixed effect, when CTC value is greater than 120, think that mixture has synergistic effect, when being less than 80, think antagonism, time between 80 ~ 120, think that there is summation action.Concrete grammar is as follows:
Get the liquid prepared and be placed in 100ml50-60 DEG C of PDA sterilising medium, shake up, pour in the sterilizing culture dish of diameter 60mm, after cooled and solidified, move the bacterium cake that length is consistent, diameter is 4mm of delivering a child respectively, to add the sterilising medium of equivalent coordinative solvent as blank, all operations all carries out sterile working at superclean bench, and often 3 repetitions are established in process.Put into after 27 DEG C of constant incubators cultivate 3-8 days, adopt right-angled intersection method to measure colony diameter, calculate bacteriostasis rate, EC
50, the relevant parameter such as CTC, relevant calculating formulas is as follows:
Pure amount of growth=bacterium colony average diameter-bacterium cake diameter (0.4cm)
Bacteriostasis rate=[the pure amount of growth of (contrast pure amount of growth-process pure amount of growth) × 100/ contrast] × 100%
The EC50*100 of the EC50/B agent of toxicity index TI (B)=standard agent A
The EC50*100 of the EC50/AB of actual toxicity index ATI (AB)=A
Theoretical toxicity index TTI (AB)=percentage+TI (B) the * B percentage in mixture of TI (A) * A in mixture
Co-toxicity coefficient CTC=ATI (AB)/TTI (AB) * 100
Result of the test shows, ZEN 90160 and Carbatene composite, to apple anthrax bacteria, there is good indoor virulence, the CTC value of all proportionings is all more than 120, show that these two bactericide have good synergistic function under this proportioning, and when mixed ratio is between 10: 1 ~ 1: 10, synergy is particularly remarkable.Experimental data sees the following form 1.
Table 1 ZEN 90160 and the composite toxicity test table of comparisons to apple anthrax bacteria of Carbatene
| Reagent agent | Active ingredient ratio | EC50(ppm) | Co-toxicity coefficient (CTC) |
| ZEN 90160 | —— | 19.4 | —— |
| Carbatene | —— | 25.6 | —— |
| ZEN 90160: Carbatene | 40:1 | 12.6 | 149.8 |
| ZEN 90160: Carbatene | 20:1 | 11.3 | 172.6 |
| ZEN 90160: Carbatene | 10:1 | 9.7 | 221.2 |
| ZEN 90160: Carbatene | 1:1 | 8.2 | 262.7 |
| ZEN 90160: Carbatene | 1:10 | 9.7 | 239.6 |
| ZEN 90160: Carbatene | 1:20 | 11.6 | 175.3 |
| ZEN 90160: Carbatene | 1:40 | 14.8 | 159.6 |
Application Example 1 prevents and treats the test of pesticide effectiveness of downy mildew of garpe
The preparation of 20% ZEN 90160 thioneb wettable powder:
By above-mentioned active component, various auxiliary agent and filler etc. fully mix by formula rate, after ultra-fine pulverizer disintegrating, namely obtain 20% ZEN 90160 thioneb wettable powder.
Adopt greenhouse pot culture cuttage grape seedling, measure the control efficiency of above-mentioned mixture to downy mildew of garpe.When greenhouse cuttage grape seedling grows to 3-4 sheet leaf, select 2 blades growing uniformity, on crops sprayer, carry out foliar spray process by design dosage, inoculate pathogen after 24 hours, 7 days " Invest, Then Investigate " results are cultivated in moisturizing:
The control efficiency of table 2 pair downy mildew of garpe
| Reagent agent | Using dosage (μ g/mL) | Disease index | Control efficiency (%) |
| 25% ZEN 90160 WP | 100 | 8.9 | 85.6 |
| 70% Carbatene WP | 100 | 12.3 | 78.6 |
| 20% ZEN 90160 Carbatene WP | 100 | 6.1 | 90.3 |
| Clear water contrasts | —— | 56.7 | —— |
ZEN 90160 Carbatene mixture preparation has good control efficiency to downy mildew of garpe as seen from the above table, and is better than the preventive effect of single dose.
Application Example 2 prevents and treats the test of pesticide effectiveness of alternaria leaf spot of apple
The preparation of 30% ZEN 90160 Carbatene water dispersible granules:
Above-mentioned active component, dispersant, disintegrant and filler etc. are mixed by formula rate, becoming through air-flow crushing can wet-milling, then adds a certain amount of water mixing extruder grain, and drying obtains 30% ZEN 90160 Carbatene water dispersible granules after sieving.
In the control efficiency of field test mixture to alternaria leaf spot of apple.1st dispenser when beginning to show scab in apple orchard, sprays medicine 3 times, interval 10-14 days altogether, 14 days investigation preventive effects after the 3rd dispenser, and result is as follows:
The control efficiency of table 3 pair alternaria leaf spot of apple
| Reagent agent | Extension rate | Disease index | Control efficiency |
| 25% ZEN 90160 WP | 1500 | 11.3 | 76.5 |
| 70% Carbatene WP C | 1500 | 8.1 | 81.7 |
| 30% ZEN 90160 Carbatene WDG | 1500 | 7.6 | 85.8 |
| Clear water contrasts | —— | 48.3 | —— |
ZEN 90160 Carbatene mixture preparation has good control efficiency to alternaria leaf spot of apple as seen from the above table, and is better than the preventive effect of single dose.
Application Example 3 prevents and treats the test of pesticide effectiveness of pear scab
The preparation of 24% ZEN 90160 Carbatene suspending agent
Above-mentioned each component is mixed by formula rate, after sand milling grinds, then mixes, namely obtain 24% ZEN 90160 Carbatene suspending agent.
In the control efficiency of field test mixture to pear scab.In the 1st dispenser of pear scab initial stage of origination, connect spray medicine 3 times, 10 days, interval, using clear water as blank, 10 days investigation preventive effects after the 3rd dispenser, result is as follows:
The control efficiency of table 4 pair pear scab
| Reagent agent | Extension rate | Disease index | Control efficiency (%) |
| 25% ZEN 90160 WP | 1500 | 12.3 | 76.7 |
| 70% Carbatene WP C | 1500 | 8.7 | 80.3 |
| 24% ZEN 90160 Carbatene SC | 1500 | 7.2 | 86.9 |
| Clear water contrasts | —— | 54.2 | —— |
ZEN 90160 Carbatene mixture preparation has good control efficiency to pear scab as seen from the above table, and is better than the preventive effect of single dose.
Claims (4)
1. contain a bactericidal composition for ZEN 90160 and Carbatene, it is characterized in that, the ratio of weight and number of ZEN 90160 and Carbatene is 40:1 to 1:40.
2. according to bactericidal composition according to claim 1, it is characterized in that, the ratio of weight and number of described ZEN 90160 and Carbatene is 10:1 ~ 1:10.
3. according to bactericidal composition according to claim 1, it is characterized in that, described ZEN 90160 can become Wettable Powder, suspending agent, water dispersible granules with known auxiliary agent with excipient with Carbatene.
4. the application of microbicide compositions according to claim 1, is characterized in that, this bactericidal composition is used for leaf spot, anthracnose, downy mildew, brown spot, blight dis-ease, the false smut disease of preventing and treating in various crop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410686657.8A CN104430420A (en) | 2014-11-25 | 2014-11-25 | Sterilization composition containing picoxystrobin and thioneb and application of composition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410686657.8A CN104430420A (en) | 2014-11-25 | 2014-11-25 | Sterilization composition containing picoxystrobin and thioneb and application of composition |
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| CN104430420A true CN104430420A (en) | 2015-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018025192A1 (en) * | 2016-08-04 | 2018-02-08 | Upl Limited | Methods of treatment and prevention of white spot in maize crops |
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2014
- 2014-11-25 CN CN201410686657.8A patent/CN104430420A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018025192A1 (en) * | 2016-08-04 | 2018-02-08 | Upl Limited | Methods of treatment and prevention of white spot in maize crops |
| CN109561690A (en) * | 2016-08-04 | 2019-04-02 | Upl 有限公司 | The method for treating and preventing corn crop hickie |
| EP3493678A4 (en) * | 2016-08-04 | 2020-02-12 | UPL Limited | Methods of treatment and prevention of white spot in maize crops |
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Application publication date: 20150325 |