CN105432617A - Pesticide composition used for control controlling cucumber powdery mildew - Google Patents
Pesticide composition used for control controlling cucumber powdery mildew Download PDFInfo
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- CN105432617A CN105432617A CN201510971192.5A CN201510971192A CN105432617A CN 105432617 A CN105432617 A CN 105432617A CN 201510971192 A CN201510971192 A CN 201510971192A CN 105432617 A CN105432617 A CN 105432617A
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- Prior art keywords
- powdery mildew
- active ingredient
- cucumber
- effective ingredient
- bupirimate
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
-
- 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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
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- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
A disclosed pesticide composition used for control controlling cucumber powdery mildew is composed of an effective ingredient a, an effective ingredient b and an auxiliary agent. The effective ingredient a is benzovindiflupyr, the effective ingredient b is one selected from ethirimol and bupirimate, and the weight ratio of the effective ingredient a to the effective ingredient b is 1:40-40:1, and the weight sum of the effective ingredient a and the effective ingredient b is 5%-80% of the composition. The pesticide composition possesses obvious synergic effect on cucumber powdery mildew, and is obviously improved in cucumber powdery mildew controlling effect after being applied to field.
Description
Technical field
The invention belongs to pesticide combination applied technical field, being specifically related to a kind of composition pesticide for preventing and treating powdery mildew of cucumber.
Background technology
Powdery mildew of cucumber is commonly called as " white defect ", is one of Common Diseases in cucumber cultivation, is injured the heaviest with blade, be secondly petiole and stem, generally do not endanger fruit.Their early stage, face of blade or the back side produce the rotund little amyloid plaque of white, being expanded into unconspicuous large stretch of white powder district, edge gradually, being covered with blade face, as having spread layer white powder.Erase white powder, visible blade face chlorisis, withered and yellowly to become fragile.When falling ill serious, blade face is covered with white powder, becomes canescence, until whole blade is withered.After powdery mildew infects petiole and tender stem, similar on blade of symptom, only scab is less, and powder is also few.Blade starts produce yellow point, then expand and develop into circle or oval scab, the mould layer of the raw adularescent powdery in surface.Ordinary circumstance bottom blade is more than upper blade, and vacuum side of blade is more than front.Mildew is disperseed separately in early days, after be unified into a large mildew, even can cover full leaf, have a strong impact on photosynthesis, eubolism is interfered, causes early ageing, output incurs loss.Due in recent years, powdery mildew produces certain pesticide resistance, and all can fall ill throughout the year, brings certain difficulty to control.The general time underproduction is about 10%, and the popular time underproduction is at about 20%-40%.
Benzo alkene fluorine bacterium azoles (benzovindiflupyr) pyrazole amide series bactericidal agent, its mechanism of action is succinate dehydrogenase inhibitors (SDHI).
The phonetic phenol of second (ethirimol) miazines bactericide, mainly suppress adenosine deaminase, have extremely strong killing effect to mycelium, conidium, trichogyne etc., and the powerful formation suppressing spore of energy, block spore and infect source again, bactericidal effect is comprehensively thorough.For the crop fallen ill, the phonetic phenol of second can play therapeutic action well, can root out the germ in invaded plants body, obviously can suppress the expansion of germ, efficient to crop powdery mildews such as melon, grapes.
Bupirimate (bupirimate) bupirimate is the form that the phonetic phenol of second exists with ester class, and the phonetic phenol of specific activity second is higher.
After different active component mixing, each active component is due to the difference of composition, structure, physicochemical property, makes the synergy between each active component be typically expressed as synergistic effect, summation action or antagonism.So-called synergistic effect is exactly the mutual synergism between different material, and its effect produced is greater than the sum total of each composition effect; And summation action is exactly the sum total that its effect produced equals each composition effect; When antagonism refers to that two kinds of materials act on living organism, a kind of material disturbs the effect of another kind of material, or the effect of interfering with an opponent each other, makes the phenomenon that general effect declines.
The present invention combines benzo alkene fluorine bacterium azoles and the phonetic phenol of second (or bupirimate) and conducts in-depth research, on the basis of a large amount of tests, find that benzo alkene fluorine bacterium azoles and the phonetic phenol of second (or bupirimate) combine in certain amount ranges, prevent and treat powdery mildew of cucumber performance synergistic function, can the formulations of pesticide be given by technology.After further study, the present invention is completed.
Summary of the invention
The object of the present invention is to provide a kind of efficient, low toxicity, low cost, quick-acting are good, the lasting period is long, to crop safety, environment amenable composition pesticide.
The present inventor, by a large amount of indoor bioassay test and field medicine effect test, finds the phonetic phenol of second (or bupirimate) in certain proportion after mixture, has significant synergistic effect to powdery mildew of cucumber.
On the basis of above-mentioned discovery, after further study, define technical scheme of the present invention, that is: a kind of composition pesticide for preventing and treating powdery mildew of cucumber, be made up of active ingredient a and active ingredient b and auxiliary agent, active ingredient a is benzo alkene fluorine bacterium azoles, active ingredient b is selected from the one in the phonetic phenol of second or bupirimate, the weight ratio of active ingredient a and active ingredient b is 1:40 ~ 40:1, active ingredient a and active ingredient b weight summation in the composition percentage by weight are 5% ~ 80%, and all the other are insecticides adjuvant.
Composition pesticide of the present invention according to well known to a person skilled in the art method, can be processed into the application forms of the applicable agricultural uses such as suspending agent, water dispersible granules, wetting powder.
Composition pesticide of the present invention is also containing the auxiliary agent of preparation needed for pesticidal preparations, comprise one or more mixing in emulsifier, wetting agent, stabilizing agent, dispersant, thickener, defoamer, antifreezing agent, disintegrant, binding agent, filler, filler, medium etc., be known substance, various auxiliary agents conventional in pesticidal preparations, can change to some extent according to different situations, be not particularly limited.
Composition pesticide described in the invention, can finished product preparation form provide, namely in composition, each material mixes, and the composition of composition also can provide by unit dose form, directly mixes in bucket or tank, be then diluted to desired concn before using.
Composition pesticide described in the invention, for preventing and treating powdery mildew of cucumber.
Composition pesticide described in the invention, usually adopts the method for spraying to use, also can adopt other operation technique agriculturally applied as required.
Composition pesticide provided by the invention has following beneficial effect:
1, composition pesticide provided by the invention, obvious synergy or summation action is shown in certain ratio range, the control efficiency of composition to germ is significantly improved than single dose, reduce the using dosage of agricultural chemicals, decrease times for spraying, reduce drug cost, decrease the adverse effect of agricultural chemicals to ecotope.
2, composition pesticide provided by the invention, two kinds of active ingredient mechanism of action are not quite identical, can overcome the shortcoming that long-term single use easily produces resistance, extend the service life of medicament, to the comprehensive regulation important in inhibiting of germ resistance.
3, composition pesticide provided by the invention, drug effect plays rapidly, and the lasting period is long, and use cost is low, easy to use, time saving and energy saving, and it applies huge economic benefit and social benefit.
Embodiment
In order to make object of the present invention, technical scheme and advantage more short and sweet, the following specific embodiment of the present invention is described, but the present invention is only limitted to absolutely not these examples.The following stated is only the good embodiment of the present invention, only for describing the present invention, can not be interpreted as the restriction to scope of the present invention.It should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Chemical control information system of crop pest distribution in China is common method, is combined by dissimilar pesticide active ingredient, usually shows three kinds of type of action, i.e. antagonism, summation action and synergistic effect.The present inventor is on the basis of a large amount of Toxicity Determination, pesticidal preparations Recipe and field control effectiveness test, find that phonetic phenol, bupirimate are combined within the scope of certain proportion powdery mildew of cucumber pathogenic bacteria thorn dish spore bacterium synergistic function benzo alkene fluorine bacterium azoles with second respectively, can the formulations of pesticide be given by technology, be applied to the powdery mildew of cucumber of preventing and treating the initiation of thorn dish spore bacterium and significantly improve control efficiency.
Embodiment 1: phonetic phenol, bupirimate combine powdery mildew of cucumber pathogenic bacteria thorn dish spore bacterium Toxicity Determination benzo alkene fluorine bacterium azoles with second respectively.
Be independent variable x according to the logarithm value of drug concentration (mg/L), with the probit value of corrected mortality for dependent variable y, set up virulence regression equation formula respectively, adopt DPS software to calculate the EC of single dose and each proportioning mixture
50and mixture co-toxicity coefficient.According to the abundant method of Sun Yun, co-toxicity coefficient (CTC) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC)≤80 shows as antagonism; 80 < co-toxicity coefficient (CTC) < 120 show as summation action.Actual measurement toxicity index (ATI)=(standard agent EC
50/ reagent agent EC
50) × 100.Theoretical toxicity index (the TTI)=percentage composition of A (in the toxicity index × mixture of the A)+percentage composition of B (in the toxicity index × mixture of B).Co-toxicity coefficient (CTC)=[the theoretical toxicity index (TTI) of mixture actual measurement toxicity index (ATI)/mixture] × 100.
Toxicity Determination method reference " People's Republic of China (PRC) agricultural industry criteria NY/T1156.4-2006 ", pot experiment method.
As can be seen from Table 1, phonetic phenol, bupirimate combine and are all greater than 120 to powdery mildew of cucumber pathogenic bacteria thorn dish spore bacterium co-toxicity coefficient (CTC) value benzo alkene fluorine bacterium azoles with second respectively, illustrate that phonetic phenol, bupirimate combine synergistic function to benzo alkene fluorine bacterium azoles with second respectively.
Phonetic phenol, bupirimate combine the Toxicity Determination result to powdery mildew of cucumber pathogenic bacteria thorn dish spore bacterium with second respectively for table 1, benzo alkene fluorine bacterium azoles
The phonetic phenol suspending agent of embodiment 2:20% benzo alkene fluorine bacterium azoles second.
Following material is weight ratio: benzo alkene fluorine bacterium azoles 10%, the phonetic phenol 10% of second, lignosulfonates 2%, polycarboxylate 2%, alkylphenol polyoxyethylene 3%, and bentonite 2%, Magnesiumaluminumsilicate 2%, methyl alcohol 2%, propane diols 3%, deionized water complements to 100%.Taken in proportion by above material, be uniformly mixed, ball crusher grinds, and high-speed shearing machine is sheared, the obtained phonetic phenol suspending agent of 20% benzo alkene fluorine bacterium azoles second.
The phonetic phenol suspending agent of 20% benzo alkene fluorine bacterium azoles second is adopted to prevent and treat powdery mildew of cucumber, 5d, 10d, 20d preventive effect effect after medicine: 20% benzo alkene fluorine bacterium azoles second phonetic phenol suspending agent consumption 60ga.i./ha is watered spraying preventive effect 87.75%, 95.77%, 86.24%; 20% benzo alkene fluorine bacterium azole suspending agent consumption 60ga.i./ha is watered spraying preventive effect 81.25%, 87.07%, 76.40%; 10% second phonetic phenol suspending agent consumption 60ga.i./ha is watered spraying preventive effect 80.18%, 85.02%, 79.51%.Visible, benzo alkene fluorine bacterium azoles and the phonetic phenol of second combine obvious synergy, and quick-acting is good, and the lasting period is long, prevent and treat powdery mildew of cucumber successful and are better than each single dose and are used alone.
Embodiment 3:25% benzo alkene fluorine bacterium azoles bupirimate wetting powder.
Following material is weight ratio: benzo alkene fluorine bacterium azoles 5%, bupirimate 20%, neopelex 4%, sodium butylnaphthalenesulfonate 2%, sodium alkyl sulfonate 2%, lignosulfonates 2%, magnesium chloride 2%, bentonite 3%, white carbon 3%, acrylate homopolymer sodium salt 5%, kaolin supplies 100%.Above material is taken in proportion, is uniformly mixed, again through air-flow crushing after mechanical crushing, 25% benzo alkene fluorine bacterium azoles bupirimate wetting powder can be obtained.
25% benzo alkene fluorine bacterium azoles bupirimate wetting powder is adopted to prevent and treat powdery mildew of cucumber, 5d, 10d, 20d effect after medicine: 25% benzo alkene fluorine bacterium azoles % bupirimate wetting powder consumption 60ga.i./ha is watered spraying preventive effect 85.17%, 94.92%, 85.34%; 5% benzo alkene triflumizole wettable powder consumption 60ga.i./ha is watered spraying preventive effect 78.07%, 86.17%, 72.44%; 20% bupirimate wetting powder consumption 60ga.i./ha is watered spraying preventive effect 73.25%, 87.90%, 70.15%.Visible, benzo alkene fluorine bacterium azoles and bupirimate combine obvious synergy, and quick-acting is good, and the lasting period is long, prevent and treat powdery mildew of cucumber successful and are better than each single dose and are used alone.
Claims (3)
1. one kind for preventing and treating the composition pesticide of powdery mildew of cucumber, it is characterized in that: be made up of active ingredient a and active ingredient b and auxiliary agent, active ingredient a is benzo alkene fluorine bacterium azoles, active ingredient b is selected from the one in the phonetic phenol of second or bupirimate, the weight ratio of active ingredient a and active ingredient b be 1:40 ~ 40:1, active ingredient a and active ingredient b weight summation in the composition percentage by weight be 5% ~ 80%.
2. a kind of composition pesticide for preventing and treating powdery mildew of cucumber according to claim 1, is characterized in that: the formulation of described composition pesticide is the one in suspending agent, water dispersible granules, wetting powder.
3. a kind of composition pesticide for preventing and treating powdery mildew of cucumber according to claim 1 is preventing and treating the application of powdery mildew of cucumber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971192.5A CN105432617A (en) | 2015-12-20 | 2015-12-20 | Pesticide composition used for control controlling cucumber powdery mildew |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971192.5A CN105432617A (en) | 2015-12-20 | 2015-12-20 | Pesticide composition used for control controlling cucumber powdery mildew |
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|---|---|
| CN105432617A true CN105432617A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510971192.5A Pending CN105432617A (en) | 2015-12-20 | 2015-12-20 | Pesticide composition used for control controlling cucumber powdery mildew |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857543A (en) * | 2017-03-06 | 2017-06-20 | 佛山市瑞生通科技有限公司 | A kind of composition pesticide of the mycin of second containing fen and benzo alkene fluorine bacterium azoles |
| CN114711240A (en) * | 2022-02-19 | 2022-07-08 | 青岛滕润翔检测评价有限公司 | Bactericidal composition containing indoxacarb and application thereof |
-
2015
- 2015-12-20 CN CN201510971192.5A patent/CN105432617A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106857543A (en) * | 2017-03-06 | 2017-06-20 | 佛山市瑞生通科技有限公司 | A kind of composition pesticide of the mycin of second containing fen and benzo alkene fluorine bacterium azoles |
| CN114711240A (en) * | 2022-02-19 | 2022-07-08 | 青岛滕润翔检测评价有限公司 | Bactericidal composition containing indoxacarb and application thereof |
| CN114711240B (en) * | 2022-02-19 | 2024-03-15 | 青岛滕润翔检测评价有限公司 | Sterilization composition containing penoxsulam and application thereof |
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Application publication date: 20160330 |
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