CN105851041A - Fungicidal composition containing metrafenone and prochloraz - Google Patents
Fungicidal composition containing metrafenone and prochloraz Download PDFInfo
- Publication number
- CN105851041A CN105851041A CN201610290230.5A CN201610290230A CN105851041A CN 105851041 A CN105851041 A CN 105851041A CN 201610290230 A CN201610290230 A CN 201610290230A CN 105851041 A CN105851041 A CN 105851041A
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- China
- Prior art keywords
- prochloraz
- metrafenone
- composition
- pesticide
- weight
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic ring; Thio analogues thereof
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/04—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing aldehyde or keto groups, or thio analogues thereof, directly attached to an aromatic ring system, e.g. acetophenone; Derivatives thereof, e.g. acetals
Abstract
The invention discloses a fungicidal composition containing metrafenone and prochloraz. The fungicidal composition is prepared from the active ingredients metrafenone and prochloraz and common auxiliary ingredients, wherein the weight part ratio of metrafenone to prochloraz in the composition is 10:1-1:10, and the weight sum of metrafenone and prochloraz accounts for 5%-70% by weight of the composition. The fungicidal composition is suitable for preventing and controlling wheat powdery mildew, the prevention and control effect has the obvious synergistic effect compared with that of a single pesticide, the pesticide use dosage is decreased, the pesticide using time number is decreased, the pesticide using cost is reduced, the adverse influences of the pesticides to the ecological environment are reduced, and the fungicidal composition is safe to crops and has the important significance in comprehensive treatment on the disease resistance.
Description
Technical field
The composition pesticide that the present invention relates to, is with metrafenone and Prochloraz as effective ingredient, uses
In preventing and treating plant disease agriculturally, it is particularly useful for preventing and treating wheat powdery mildew.
Background technology
During crop growth, it is easily subject to various disease and contaminates, particularly fungal disease,
Its kind is many, causes harm serious, and for a long time, chemical prevention is effective hands that controlling disease is main
Section.But, in recent years due to single drug and not Scientific Usage of Drugs, already lead to many pathogen
Currently used pesticide is created resistance.
Wheat powdery mildew is a kind of worldwide disease, all has distribution, China in each main wheat producing countries
Shandong coastal waters, Sichuan, Guizhou, Yunnan occur universal, cause harm and also weigh.This disease is in east in recent years
North, North China, northwest Mai Qu, also have the gesture being on the rise, and can encroach on wheat plant overground part each
Organ, but based on blade and sheath, during morbidity weight, grain husk shell and awns also can be injured.This pathogenic bacteria can
Infect on the spontaneous wheat seedling or Smmer-Sowing wheat in the relatively low area of summer temperature with Conidial Stage
Breed or tide over summer with incobation state, it is possible to being dried and low by the cleistothecium on invalid body
Get over the summer under the conditions of temperature；Pathogenic bacteria Wintering Methods has two kinds, and one is to survive the winter with conidium form, and two
It is to hide with mycelium to survive the winter in host tissue.It is level that the pathogenic bacteria that survives the winter first infects bottom blade
Directional Extension, backward middle and upper part developer blade, morbidity infection center in early days is obvious.
Metrafenone is Benzophenones antibacterial, is mainly used in cereal crops, Fructus Vitis viniferae and Fructus Cucumidis sativi etc. and makees
Thing prevents and treats the disease such as powdery mildew, eye spot disease.Metrafenone mainly by interference spore germination time attached
Growth and the formation of spore, the spore germination of suppression Powdery Mildew, may act on fungus life and follow
The overall process of ring.Metrafenone is than the activity of high several times of ether collarium amine, with pressing down of dimethylation
Preparation and anilino-pyrimidine series bactericidal agent also no interactions resistance, be mainly used in preventing and treating Cereal and make
Thing and vine powdery mildew, have well prevention and therapeutic effect.
Prochloraz is broad-spectrum germicide, mainly by suppressing the biosynthesis of sterol, makes disease
Bacterium cell wall is interfered.Though not having systemic action, but there is certain conduction.Conventional
Use preventing and treating gourd, fruit and vegetable anthrax, leaf spot.Also can prevent and treat bakanae disease of rice, rice blast etc..
Citrus anthracnose, blossom-end rot, penicilliosis, green mould, banana anthracnose, leaf spot, Fructus Mangifera Indicae
Anthrax, leaf spot of peanut, the vegetable anthrax such as Fructus Capsici, Fructus Solani melongenae, Fructus Melo, Fructus Lycopersici esculenti, Fructus Fragariae Ananssae
Anthrax, bakanae disease of rice, rice blast, sclerotinia rot of colza, leaf spot, mushroom brown spot,
Apple anthracnose, pear scab etc..
The mixture of different pesticide species, is the common methods of preventing and treating agricultural resistance disease.Pass through agriculture
Medicine composition screens, and filters out rational formula, can be effectively improved actual prevention effect, reduces and uses
Dose, reduces cost, delays the generation of disease drug resistance, be the important hands of disease comprehensive control
Section.Metrafenone and Prochloraz mixture have obvious potentiation, can effective preventive effect Semen Tritici aestivi white lead
Sick.
Metrafenone and Prochloraz mixture are used for preventing and treating wheat powdery mildew, there is no relevant report at present.
Summary of the invention
Solved the technical problem that: in order to overcome, dosage in prior art is big, cost is high, to life
State environmental hazard is big, to shortcomings such as crop safety are low, the present invention provide a kind of efficiently, safety,
Low toxicity and lasting period are long, beneficially comprehensive control wheat powdery mildew containing metrafenone and Prochloraz
Bactericidal composition.
For solving the problems referred to above, the technical solution adopted in the present invention is: a kind of containing metrafenone
With the bactericidal composition of Prochloraz, including active component metrafenone and Prochloraz and conventional auxiliary
Composition, metrafenone and Prochloraz ratio of weight and number in the composition is 10:1～1:10, benzene
Bacterium ketone and Prochloraz weight summation percentage by weight in the composition are 5%～70%, and remaining is
Agriculturally can accept and allow the auxiliary element used.
Bactericidal composition of the present invention can be configured to water according to well known to a person skilled in the art method
The application forms of the applicable agricultural use such as Emulsion, suspending agent.
The bactericidal composition of the present invention is possibly together with the usual auxiliaries of pesticidal preparations, including solvent, breast
Agent, wetting agent, stabilizer, dispersant, thickening agent, defoamer, antifreezing agent, disintegrating agent,
One or more mixing in binding agent, filler, filler, medium etc., are known substance,
It is various auxiliary agents conventional in pesticidal preparations, can be varied from according to different situations, there is no spy
Do not limit.
The bactericidal composition of the present invention, for preventing and treating plant disease agriculturally, is particularly useful for preventing and treating
Wheat powdery mildew.
The bactericidal composition of the present invention, should be at the beginning of disease generation early stage or disease occur when application
Phase uses.
The bactericidal composition of the present invention, generally uses the method for spraying to use, it is also possible to according to need
Use other use technology agriculturally applied.
The composition pesticide that the present invention provides has the advantages that:
1, the bactericidal composition that the present invention provides, shows significantly in certain ratio range
Potentiation, the prevention effect of compositions is significantly improved than single dose, reduces making of pesticide
With dosage, reduce drug cost, decrease the pesticide adverse effect to ecological environment；
2, the combination of two kinds of effective ingredient of the present invention, expands fungicidal spectrum；
3, two kinds of effective ingredient mechanism of action of the bactericidal composition that the present invention provides are different,
Long-term single use medicament can be overcome easily to produce the shortcoming of resistance, extend the use longevity of medicament
Life, the comprehensive control important in inhibiting to resisting rice sheath blight.
Detailed description of the invention
In order to be more fully understood that the essence of the present invention, it is described further by following example,
But the present invention is not limited to these embodiments.In these embodiments, unless otherwise indicated, institute
Percentage ratio is had all to be weight percentage.
Embodiment 1: wheat powdery mildew indoor colony growth inhibition test.
Test method is entered with reference to Wu Wenjun " chemical protection of plant experimental technique introduction " (1993)
OK.Metrafenone by 95%, the 95.4% former medicine of Prochloraz use acetone, tween 80 after rolling over hundred respectively
Make 1.0 μ g/mL mother solutions, utilize mother liquor to become Prochloraz, metrafenone mass ratio respectively
For 1:10-10:1, gradient is respectively 1 μ g/mL, 2 μ g/mL, 4 μ g/mL, 8 μ g/mL
PDA plate.The concrete data of result of the test are shown in Table 1.
Table 1, indoor antibacterial test data
Toxicity index and the co-toxicity coefficient (CTC of mixture of each medicament is calculated according to the abundant method of Sun Yun
Value), when CTC≤80 are antagonism, 80 CTC 120 are summation action, CTC >=120
For potentiation.
Being found by indoor bacterium colony Developing restraint test, Prochloraz, metrafenone are according to 1:10-10:1
Ratio compounding after wheat powdery mildew be born long be respectively provided with potentiation inhibitory action, wherein benzene bacterium
Ketone, Prochloraz are the most obvious with 1:1 potentiation, and co-toxicity coefficient is 162.93, the two compounding increasing
Effect property is notable, it is possible to the extension of significantly more efficient suppression bacterium colony.
Embodiment 2:24% metrafenone Prochloraz suspending agent.
Following material is weight ratio: 12% metrafenone, 12% Prochloraz, 2% agriculture breast 602,4%
Agriculture breast 2201,3% lignosulfonates, 0.2% xanthan gum, 4% ethylene glycol, 0.5% organosilicon
Defoamer, adds deionized water and mends to 100%.Above-mentioned formula is sequentially added into grinding still in proportion
After middle grinding, after putting into mixer for well-distribution mixing, i.e. prepare 24% metrafenone Prochloraz and suspend
Agent.
Embodiment 3:12% metrafenone prochloraz aqueous emulsion.
Following material is weight ratio: weigh 6% metrafenone, 6% Prochloraz, 6% agriculture breast 600,
2% Tween-60 #, 10% dimethylbenzene, 1% triphenyl phosphite, 2% ethylene glycol, 1.5% xanthan
Glue, 0.8% polyvinyl alcohol, 0.2% benzoic acid, deionized water are mended to 100%.Join above-mentioned
Fang Zhongyuan medicine, solvent, emulsifying agent are dissolved into homogeneous oil phase；By water-soluble component in formula and going
Ionized water is mixed to prepare aqueous phase；Under high velocity agitation, oil phase and aqueous phase are mixed to prepare 12% benzene
Bacterium ketone prochloraz aqueous emulsion.
Embodiment 4: the field control effectiveness test that preventing and treating wheat powdery mildew is sick.
Reagent agent and dispenser dosage:
(1) 24% metrafenone Prochloraz suspending agent (1:1), extension rate 1000 times.
(2) 12% metrafenone prochloraz aqueous emulsions (1:1), extension rate 500 times.
Comparison medicament and dispenser dosage:
(3) 20% metrafenone wettable powders, 750 times of preparation of mu.
(4) 10% Prochloraz wettable powders, 1000 times of preparation of mu.
Spraying time and application method: Oryza sativa L. field their early stage dispenser, be watered even spraying.
The field control effectiveness test result that table 3, preventing and treating wheat powdery mildew are sick
| Reagent agent | Preparation usage amount (multiple) | 7 days preventive effects (%) after medicine | 14 days preventive effects (%) after medicine |
| (1) | 1000 | 78.9 | 84.5 |
| (2) | 500 | 77.5 | 82.9 |
| (3) | 750 | 64.7 | 74.1 |
| (4) | 1000 | 70.6 | 76.6 |
Result of the test: be shown in Table 3；As can be seen from the test results: after dispenser 7 days, the present invention
Metrafenone and Prochloraz mixture compositions to wheat powdery mildew disease preventive effect all more than 77%, bright
The aobvious single dose being better than comparison；After secondary dispenser 14 days, the metrafenone of the present invention mixed with Prochloraz
Combo compound all more than 80%, is also significantly better than the single dose of comparison to wheat powdery mildew preventive effect；
In process of the test, each medicament is showed no poisoning generation, to crop safety.The benzene bacterium of the present invention is described
Ketone and Prochloraz mixture compositions are better than single dose, improve actual prevention effect, reduce dosage,
Reduce cost, reduce the medicament adverse effect to environment, delay the generation of disease drug resistance, right
Agricultural synthesis is administered and is had great significance.
Claims (6)
1. one kind contains metrafenone and the bactericidal composition of Prochloraz, it is characterised in that: include
Metrafenone and Prochloraz and pesticidal preparations auxiliary element, metrafenone and Prochloraz are in the composition
Ratio of weight and number is 10:1～1:10.
The most according to claim 1 a kind of containing metrafenone with the Bactericidal composite of Prochloraz
Thing, it is characterised in that: metrafenone and Prochloraz ratio of weight and number in the composition is 3:1.
The most according to claim 1 a kind of containing metrafenone with the Bactericidal composite of Prochloraz
Thing, it is characterised in that: metrafenone and Prochloraz weight summation percentage by weight in the composition
It is 5%～70%.
The most according to claim 1 a kind of containing metrafenone with the Bactericidal composite of Prochloraz
Thing, it is characterised in that: the dosage form of described bactericidal composition is aqueous emulsion.
The most according to claim 1 a kind of containing metrafenone with the Bactericidal composite of Prochloraz
Thing, it is characterised in that: the dosage form of described bactericidal composition is in suspending agent.
6. a kind of bactericidal composition containing metrafenone and Prochloraz described in claim 1 exists
Application on preventing and treating wheat powdery mildew.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290230.5A CN105851041A (en) | 2016-04-30 | 2016-04-30 | Fungicidal composition containing metrafenone and prochloraz |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290230.5A CN105851041A (en) | 2016-04-30 | 2016-04-30 | Fungicidal composition containing metrafenone and prochloraz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105851041A true CN105851041A (en) | 2016-08-17 |
Family
ID=56630223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610290230.5A Pending CN105851041A (en) | 2016-04-30 | 2016-04-30 | Fungicidal composition containing metrafenone and prochloraz |
Country Status (1)
| Country | Link |
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| CN (1) | CN105851041A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002067679A1 (en) * | 2001-02-19 | 2002-09-06 | Basf Aktiengesellschaft | Fungicidal mixtures |
-
2016
- 2016-04-30 CN CN201610290230.5A patent/CN105851041A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002067679A1 (en) * | 2001-02-19 | 2002-09-06 | Basf Aktiengesellschaft | Fungicidal mixtures |
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Application publication date: 20160817 |
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