CN102428944B - Synergistic pesticide compound containing iprodione and bromothalonil - Google Patents
Synergistic pesticide compound containing iprodione and bromothalonil Download PDFInfo
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- CN102428944B CN102428944B CN 201110368491 CN201110368491A CN102428944B CN 102428944 B CN102428944 B CN 102428944B CN 201110368491 CN201110368491 CN 201110368491 CN 201110368491 A CN201110368491 A CN 201110368491A CN 102428944 B CN102428944 B CN 102428944B
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- iprodione
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Abstract
The invention relates to a synergistic pesticide compound containing iprodione and bromothalonil. The weight part ratio of the iprodione to the bromothalonil is 1:1 to 1:5. The pesticide compound is applicable to the control of Alternaria mali Roberts. The pesticide compound has a remarkable synergistic effect, the dosage of the pesticide is reduced, and the pesticide compound can bring great economic and social benefits when being popularized and applied.
Description
Technical field
The composition pesticide that the present invention relates to is to be active ingredient with iprodione and bromothalonil, is used for the control alternaria leaf spot of apple.
Background technology
Alternaria leaf spot of apple claims brown line disease again, in each apple producing region generation is arranged, and is one of important disease of apple, the apple leaf sheet of mainly causing harm causes the apple early leaf fall, causes that tree vigo(u)r is weak, fruit output and quality reduce, and storage period is also infected other germ easily, causes rotten.
Iprodione is a kind of broad-spectrum touch-out type protective fungicide, has certain therapeutic action simultaneously, also can absorb systemic action by root.Can effectively prevent and treat the fungi that the benzimidazole systemic fungicide is had resistance.Iprodione can Profilin kinases, control signal in the cell of many cell functions, comprise that carbohydrate is in conjunction with the interference effect that enters fungal cell's component.Therefore, it can suppress sprouting and the generation of fungal spore, also can suppress mycelial growth.Namely all influential to pathogen each developmental stage in the history of life.Be applicable to diseases such as crop early defoliation disease, gray mold, early blight such as the multiple fruit tree of control, vegetables, melon and fruit class.
Bromothalonil is the compound that a kind of low toxicity wide spectrum has sterilization, mildew-resistant, algae removal performance concurrently, and toxicity is low, safe.It has the ability of kill mutation bacterium, suppresses bacterium, fungi, algae grows, is a kind of safe new type bactericide.The bromothalonil fungicidal spectrum is wide, the scope of application is wide, and this product all has different biologically actives to 33 fungies, bacterium, Blastocystis, and the scope of application is wide, and fungicidal spectrum is wide.
Being mixed of different pesticide species is the common methods of the agriculture resistant insect of control.By the formulation of pesticide screening, filter out rational prescription, can effectively improve actual control efficiency, reduce dosage, reduce cost, delay the generation of pest resistance to insecticide, prolong the service life of medicament, be the important means of the insect comprehensive regulation.The inventor finds that composite alternaria leaf spot of apple is prevented and treated of iprodione and bromothalonil has synergistic function on the basis of a large amount of indoor virulence screenings and field medicine effect test.
Summary of the invention
The objective of the invention is the iprodione that the mechanism of action is different and bromothalonil and carry out compositely, the composition pesticide of a kind of efficient, low toxicity, low-residual is provided, be used for the control alternaria leaf spot of apple.
Technical scheme of the present invention: be active ingredient with iprodione and bromothalonil, the ratio of quality and the number of copies of iprodione and bromothalonil is 1:1～1:5, and all the other are to allow in the agricultural chemicals to use and the acceptable auxiliary element.
Composition pesticide of the present invention can adopt known method to be prepared into wetting powder.
The auxiliary agent that uses in the present composition comprises that surfactant, dispersant, filler, filler etc. and other are of value to active ingredient stablizes and bring into play drug effect in preparation known substance, all be the various compositions of using or allow use in the pesticidal preparations always, be not particularly limited, concrete composition and consumption require to determine by simple test according to prescription.
Product described in the invention can finished product preparation form provide, namely each material mixes in the composition, the form that the composition of composition also can single agent provides, and directly mixes in jar or bucket before the use, is diluted to needed concentration then.The frequency of administration of the present composition and amount of application change with weather condition and crop state variation, can reach the purpose of control by using suitable formulation.
Beneficial effect of the present invention is: 1, two kinds of active ingredient is composite has an obvious synergistic effect, has improved control efficiency; 2, two kinds of active ingredients are composite, there is not cross resistance in mechanism of action uniqueness, has reduced the agricultural chemicals usage amount, thereby has reduced cost and the pollution that has reduced environment, the resistance management that is conducive to disease, it is applied has bigger economic benefit and social benefit.
Technology of the present invention source: in order effectively to prevent and treat alternaria leaf spot of apple, further understand the composite synergy types to the alternaria leaf spot of apple bacterium of composition such as iprodione and bromothalonil, the inventor has carried out a large amount of Toxicity Determination tests and has studied bacterium urea and bromothalonil are composite, specifically is summarized as follows.
Subjects: alternaria leaf spot of apple bacterium (chain lattice spore apple specialized form Alternaria alternaria f.sp mali).
Test medicine: the former medicine of 96% iprodione; The former medicine of 95% bromothalonil.
Test method: former medicinal acetone solution is mixed with required test medicine.Under aseptic technique, handle the sterilising medium that will melt in advance according to test and quantitatively add in the aseptic conical flask, quantitatively add the soup of each mixed ratio successively, add respectively in the above-mentioned conical flask, fully shake up.To pour 4 diameters into be in the culture dish of 9cm to equivalent then, makes the pastille flat board of respective concentration.The colony edge cut-off of cultivating 5d from oat medium directly is the bacterium cake of 5mm, is inoculated in above-mentioned pastille flat board respectively, and test is established the processing that does not contain medicament and made blank, and every processing repeats for 4 times.Cultivated 5 days under 26 ℃ of dark conditions, measure colony diameter, calculate each concentration medicament to the inhibiting rate (%) of mycelial growth.
Result of the test is with reference to table 1.As can be seen from the test results, the composite mass ratio of iprodione and bromothalonil all has very strong inhibitory action to alternaria leaf spot of apple bacterium colony growth between 1:1～1:5, can effectively suppress the expansion of bacterium colony.
The composite inhibition test result to alternaria leaf spot of apple bacterium mycelial growth of table 1, iprodione and bromothalonil.
Embodiment
Below in conjunction with embodiment content of the present invention is described in further detail, mentioned content is not limitation of the invention among the embodiment, and material prescription is selected to suit measures to local conditions and the result is not had substantial influence.In these embodiments, unless otherwise indicated, all percentages all are weight percentage.
Embodiment 1:60% iprodione bromothalonil wetting powder.
Iprodione 15%, bromothalonil 45%, lauryl sodium sulfate (surfactant) 2%, white carbon (filler) 4%, sodium lignin sulfonate (dispersant) 5%, bentonite (filler) complements to 100%.Above-mentioned prescription entered in the blender after the coarse crushing in proportion mix, after air-flow is pulverized, namely make 60% iprodione bromothalonil wetting powder again.
This prescription control alternaria leaf spot of apple is by 3000 times of dilution sprayings, 7 days control efficiency are 98.6% behind the medicine, 50% iprodione wettable powder is by 1000 times of dilution sprayings, 7 days control efficiency are 79.5% behind the medicine, 25% bromothalonil wetting powder is by 500 times of dilution sprayings, and 7 days control efficiency are 82.1% behind the medicine.
Embodiment 2:45% iprodione bromothalonil wetting powder.
Iprodione 15%, bromothalonil 30%, calcium dodecyl benzene sulfonate (surfactant) 2%, white carbon (filler) 4%, sodium lignin sulfonate (dispersant) 5%, kaolin (filler) complements to 100%.Above-mentioned prescription entered in the blender after the coarse crushing in proportion mix, after air-flow is pulverized, namely make 45% iprodione bromothalonil wetting powder again.
This prescription control alternaria leaf spot of apple is by 200 times of dilution sprayings, 7 days control efficiency are 96.9% behind the medicine, 50% iprodione wettable powder is by 1000 times of dilution sprayings, 7 days control efficiency are 79.5% behind the medicine, 25% bromothalonil wetting powder is by 500 times of dilution sprayings, and 7 days control efficiency are 82.1% behind the medicine.
Claims (3)
1. composition pesticide with synergistic function that contains iprodione and bromothalonil, it is characterized in that: active ingredient is made up of iprodione and bromothalonil, and the ratio of quality and the number of copies of iprodione and bromothalonil is 1:3,1:4,1:5.
2. the composition pesticide with synergistic function that contains iprodione and bromothalonil according to claim 1 is made wetting powder when it is characterized in that practical application.
3. the composition pesticide with synergistic function that contains iprodione and bromothalonil according to claim 1 and 2 is characterized in that for the control alternaria leaf spot of apple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110368491 CN102428944B (en) | 2011-11-20 | 2011-11-20 | Synergistic pesticide compound containing iprodione and bromothalonil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110368491 CN102428944B (en) | 2011-11-20 | 2011-11-20 | Synergistic pesticide compound containing iprodione and bromothalonil |
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| Publication Number | Publication Date |
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| CN102428944A CN102428944A (en) | 2012-05-02 |
| CN102428944B true CN102428944B (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110368491 Active CN102428944B (en) | 2011-11-20 | 2011-11-20 | Synergistic pesticide compound containing iprodione and bromothalonil |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105557693B (en) * | 2016-01-28 | 2018-04-27 | 广东中迅农科股份有限公司 | Composition pesticide containing bromothalonil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283156C (en) * | 2001-10-04 | 2006-11-08 | 以色列国农业园林发展部农业研究组织（A.R.O.）富卡尼中心 | Microbiocidal formulation comprising essential oils or their derivatives |
| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
| EP1940230B1 (en) * | 2005-10-19 | 2011-09-28 | Bayer Cropscience Inc | Fungicidal control of moulds |
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2011
- 2011-11-20 CN CN 201110368491 patent/CN102428944B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283156C (en) * | 2001-10-04 | 2006-11-08 | 以色列国农业园林发展部农业研究组织（A.R.O.）富卡尼中心 | Microbiocidal formulation comprising essential oils or their derivatives |
| EP1940230B1 (en) * | 2005-10-19 | 2011-09-28 | Bayer Cropscience Inc | Fungicidal control of moulds |
| CN101816305A (en) * | 2010-05-09 | 2010-09-01 | 海南正业中农高科股份有限公司 | Bactericide pesticide composite containing oligochitosan |
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Owner name: JIANGXI ZHONGXUN AGRO-CHEMICAL CO., LTD. Free format text: FORMER OWNER: GUANGDONG ZHONGXUN AGRICULTURAL TECHNOLOGY CO., LTD. Effective date: 20140827 |
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Effective date of registration: 20140827 Address after: 330500 Jiangxi city of Nanchang province Anyi County Industrial Park metal materials industry base Patentee after: JIANGXI ZHONGXUN AGROCHEMICAL CO., LTD. Address before: 516000 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 24 District Patentee before: Guangdong Zhongxun Agricultural Technology Co., Ltd. |