CN103518743A - Sterilizing composition containing boscalid and dimethomorph - Google Patents
Sterilizing composition containing boscalid and dimethomorph Download PDFInfo
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- CN103518743A CN103518743A CN201310476330.3A CN201310476330A CN103518743A CN 103518743 A CN103518743 A CN 103518743A CN 201310476330 A CN201310476330 A CN 201310476330A CN 103518743 A CN103518743 A CN 103518743A
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Abstract
The invention discloses a sterilizing composition containing boscalid and dimethomorph. Boscalid and dimethomorph are active components, and the weight ratio of boscalid to dimethomorph is 1:10-6:1. Due to the fact that boscalid and dimethomorph which respectively possess different action mechanisms are compounded, the sterilizing composition has obvious synergy effect; the composition has relatively wide sterilization spectrum, and is used to control common diseases such as downy mildew, late blight, botrytis and the like during crop plantation; the composition helps to reduce pesticide application amount, so that the cost and the pollution to environment are reduced; and the composition is beneficial for resistance treatment on diseases, and the popularization and the application of the composition have relatively large economical benefit and social benefit.
Description
Technical field
The present invention relates to a kind of bactericidal composition, be specifically related to a kind of bactericidal composition that contains Boscalid and dimethomorph.
Background technology
Boscalid, English name: Boscalid, the chloro-N-of chemical name: 2-(4 '-chlorodiphenyl-2-yl) vitamin PP.Boscalid is Novel tobacco acid amide fungicides, fungicidal spectrum is wider, almost all types of fungal diseases are had to activity, very effective to preventing and treating powdery mildew, gray mold, stalk break and various rots etc., and the resistance bacterium to other medicaments is also effective, is mainly used in comprising the control of the diseases such as rape, grape, fruit tree, vegetables and field crop.With carbendazim, Sukeling etc. without cross resistance.
Dimethomorph, English common name: dimethomorph, chemical name: (E, Z)-4-[3-(4-chlorphenyl) 3-(3,4-Dimethoxyphenyl) acryloyl] morpholine.Dimethomorph belongs to the single-minded Oomycete fungal disease medicament of preventing and treating, and the lower fungus venereal disease evils such as downy mildew, peronospora tabacina, late blight, epidemic disease (mould) disease, phytophthora rot, rotten mildew, balck shank are all had to good control efficiency.Can be applicable to grape, lichee, cucumber, muskmelon, balsam pear, tomato, capsicum, potato, brassicaceous vegetable.
Use for Boscalid and dimethomorph single dose in prior art needs enough dosage just can play control efficiency, and a large amount of higher resistance risk of meeting existence that uses, and causes use cost to increase.The composite report that has no at present for Boscalid and dimethomorph.
Summary of the invention
The bactericidal composition that contains Boscalid and dimethomorph that the object of this invention is to provide a kind of efficient, low toxicity, low-residual, Boscalid and dimethomorphs that the mechanism of action is different carry out composite, there is obvious synergistic effect, fungicidal spectrum is wider, for preventing and treating the crop-planting process Common Diseases such as downy mildew, late blight, gray mold; This bactericidal composition has reduced agricultural chemicals usage amount, thereby has reduced cost and reduced the pollution to environment, is conducive to the resistance management of disease, and it is applied has larger economic benefit and social benefit.
The bactericidal composition that contains Boscalid and dimethomorph of the present invention, take Boscalid and dimethomorph as active ingredient, and the weight ratio of described Boscalid and dimethomorph is 1:10～6:1, is preferably 1:6～1:1.In such proportion, there is not cross resistance in described active ingredient Boscalid and dimethomorph, has reduced agricultural chemicals usage amount, and then reduced cost, reduce the pollution to environment simultaneously, be conducive to the resistance management of disease, there is larger economic benefit and social benefit.
When the weight ratio of described active ingredient Boscalid and dimethomorph is 1:6, its co-toxicity coefficient is 230.52, and synergy is the most obvious.
Described Boscalid suppresses the Main Stage that spore germination, the extension of bacterium pipe, mycelial growth and spore mother cell form conk and breeding, and bactericidal action is directly caused there is no corresponding metabolic activity by parent active substance; Described dimethomorph mainly destroys the formation of germ cell envelope, causes the decomposition of spore cyst wall, and makes germ dead, and in it, absorption is strong.Boscalid and dimethomorphs that the mechanism of action is different carry out composite, helping avoid fungi produces resistance and delays the drug-fast generation speed of fungi, and the two is composite has obvious synergistic effect, for preventing and treating the crop-planting process Common Diseases such as downy mildew, late blight, gray mold.
In the described bactericidal composition that contains Boscalid and dimethomorph, the percetage by weight of active ingredient is 10%～54%, all the other are in pesticidal preparations, allow to use and acceptable auxiliary element, and such as used auxiliary agent, to comprise that surfactant, dispersant, filler, filler etc. and other are of value to active ingredient stable and bring into play the conventional material of drug effect in preparation.
Described bactericidal composition is prepared from according to the method for conventional pesticide preparation in prior art, and the formulation of described bactericidal composition is a kind of of water dispersible granules or wetting powder or suspending agent.
The present invention carries out as active ingredient Boscalid and dimethomorph composite with certain weight ratio, its beneficial effect is:
(1) described bactericidal composition fungicidal spectrum is wider, avoids fungi produce resistance and delay the drug-fast generation speed of fungi, has obvious synergistic effect, for preventing and treating the crop-planting process Common Diseases such as downy mildew, late blight, gray mold;
(2) there is not cross resistance in described active ingredient Boscalid and dimethomorph, reduced agricultural chemicals usage amount, and then reduced cost, reduced the pollution to environment simultaneously, is conducive to the resistance management of disease, has larger economic benefit and social benefit.
Embodiment
For technique effect of the present invention is described better; effectively prevent and treat the diseases such as downy mildew, late blight, gray mold; inventor has carried out respective chambers pot experiment with reference to Wu Wenjun " chemical protection of plant experimental technique introduction " (1993); according to Toxicity Determination, test is studied, and test data is in Table 1:
Table 1 benzene metsulfovax and dimethomorph indoor pot experiment data.
| Weight ratio | EC 50（μg/ml） | Co-toxicity coefficient (CTC) |
| Boscalid | 5.62 | - |
| Dimethomorph | 10.16 | - |
| Boscalid: dimethomorph (1:10) | 7.53 | 159.62 |
| Boscalid: dimethomorph (1:8) | 6.75 | 183.71 |
| Boscalid: dimethomorph (1:6) | 5.42 | 230.52 |
| Boscalid: dimethomorph (1:4) | 5.67 | 229.33 |
| Boscalid: dimethomorph (1:3) | 5.85 | 226.12 |
| Boscalid: dimethomorph (1:2) | 6.01 | 215.50 |
| Boscalid: dimethomorph (1:1) | 6.32 | 201.46 |
| Boscalid: dimethomorph (6:1) | 7.14 | 162.35 |
According to the abundant method of Sun Yun, calculate the toxicity index of each medicament and the co-toxicity coefficient of mixture (CTC value), when CTC≤80 are antagonism, 80 ﹤ CTC ﹤ 120 are summation action, and CTC>=120 are synergistic effect; EC
50representing medium effective concentration, guided 50% individual effectively dosage, is the safety indexes of medicine.
By table 1 data, shown: active ingredient Boscalid and dimethomorph is composite by weight carrying out for the ratio of 1:10,1:8,1:6,1:4,1:3,1:2,1:1,6:1 respectively, produce synergistic effect, co-toxicity coefficient is between 159.62-230.52; When the weight ratio of Boscalid and dimethomorph is 1:6～1:1, synergistic effect is obvious, and its co-toxicity coefficient is 201.46～230.52; When the weight ratio of Boscalid and dimethomorph is 1:6, co-toxicity coefficient is up to 230.52, and its synergistic effect is the most remarkable, and its EC
50minimum, safety is good.
Below in conjunction with embodiment, content of the present invention is described in further detail, in embodiment, mentioned content is not limitation of the invention, and unless otherwise indicated, all percentage is all weight percentage, the raw materials used commercially available prod that is.
Embodiment 1
24% Boscalid dimethomorph water dispersion granula
Its raw material proportioning is: Boscalid 6%, and dimethomorph 18%, lauryl sodium sulfate (surfactant) 2%, white carbon (filler) 4%, sodium lignin sulfonate (dispersant) 5%, bentonite (filler) complements to 100%.By above-mentioned formula, dry pulverization process, granulation, dry, screening make 24% Boscalid dimethomorph water dispersion granula in proportion.
This formula control cucumber downy mildew is by 1500 times of dilution sprayings, and after medicine, 7 days control efficiency are 92.1%.50% Boscalid water dispersible granules is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are that 81.2%, 40% dimethomorph water dispersion granula dilutes spraying by 1000 times, and after medicine, 7 days control efficiency are 69.7%.Test shows: 24% Boscalid dimethomorph water dispersion granula has good control efficiency to cucumber downy mildew, is better than corresponding single dose.
Embodiment 2
42% Boscalid dimethomorph water dispersion granula
Its raw material proportioning is: Boscalid 6%, and dimethomorph 36%, lauryl sodium sulfate (surfactant) 2%, sodium carboxymethyl starch (filler) 2%, sodium lignin sulfonate (dispersant) 5%, bentonite (filler) complements to 100%.The ultra-fine grinding in proportion of above-mentioned formula, granulation, dry, screening are made to 42% Boscalid dimethomorph water dispersion granula.
This formula control late blight of tomato is by 2000 times of dilution sprayings, and after medicine, 7 days control efficiency are 93.7%.70% Boscalid water dispersible granules is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are that 83.2%, 40% dimethomorph water dispersion granula dilutes spraying by 1000 times, and after medicine, 7 days control efficiency are 69.7%.Test shows: 42% Boscalid dimethomorph water dispersion granula has good control efficiency to late blight of tomato, is better than corresponding single dose.
Embodiment 3
18% Boscalid dimethomorph suspending agent
Its raw material proportioning is: Boscalid 6%, dimethomorph 12%, sodium lignin sulfonate (dispersant) 5%, ethylene glycol 5%(antifreezing agent), white carbon 2%(filler), sodium alginate 1%(suspending agent) and, deionized water complements to 100%.Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 32% Boscalid dimethomorph suspending agent.
This formula control gray mold of cucumber is by 1500 times of dilution sprayings, and after medicine, 7 days control efficiency are 91.7%.20% Boscalid suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are that 80.7%, 20% dimethomorph water dispersion granula dilutes spraying by 1000 times, and after medicine, 7 days control efficiency are 68.9%.Test shows: 18% Boscalid dimethomorph water dispersion granula has good control efficiency to gray mold of cucumber, is better than corresponding single dose.
Embodiment 4
10% Boscalid dimethomorph suspending agent
Its raw material proportioning is: Boscalid 5%, dimethomorph 5%, aliphatic alcohol polyoxyvinethene phosphate (surfactant) 5%, ethylene glycol 5%(antifreezing agent), white carbon 2%(filler), xanthans 0.5%(thickener) and, deionized water complements to 100%.Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 32% Boscalid dimethomorph suspending agent.
This formula is prevented and treated potato late blight by 1500 times of dilution sprayings, and after medicine, 7 days control efficiency are 91.5%.20% Boscalid suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are that 81.2%, 40% dimethomorph water dispersion granula dilutes spraying by 1000 times, and after medicine, 7 days control efficiency are 69.7%.Test shows: 10% Boscalid dimethomorph water dispersion granula has good control efficiency to potato late blight, is better than corresponding single dose.
Embodiment 5
20% Boscalid dimethomorph suspending agent
Its raw material proportioning is: Boscalid 4%, dimethomorph 16%, methyl naphthalene sulfonate formaldehyde condensate (dispersant) 5%, 0203B(surfactant) 6%, white carbon (filler) 5%, aluminium-magnesium silicate (suspending agent) 0.4%, ethylene glycol (antifreezing agent) 3%, tributyl phosphate (defoamer) 1.5%, deionized water complements to 100%.Above-mentioned formula is pulverized in proportion in advance, then added in sand mill and grind, after high shear mixing, allotment makes 20% Boscalid dimethomorph suspending agent.
This formula is prevented and treated downy mildew of garpe by 1500 times of dilution sprayings, and after medicine, 7 days control efficiency are 92.5%.20% Boscalid suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are that 81.2%, 50% dimethomorph water dispersion granula dilutes spraying by 1000 times, and after medicine, 7 days control efficiency are 77.3%.Test shows that 20% Boscalid dimethomorph suspending agent has good control efficiency to downy mildew of garpe, is better than corresponding single dose.
Embodiment 6
44% Boscalid dimethomorph wetting powder
Its raw material proportioning is: Boscalid 4%, dimethomorph 40%, the withered powder 5%(of tea dispersant), sodium lignin sulfonate 5%(dispersant), lauryl sodium sulfate 0.5%(wetting agent), bentonite 10%, attapulgite (filler) complements to 100%.Above-mentioned formula, by than the abundant mixing of row, is made to wetting powder after ultra-fine pulverizer disintegrating.
This formula control graw mold of tomato is by 2000 times of dilution sprayings, and after medicine, 7 days control efficiency are 90.1%.50% Boscalid suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are that 81.6%, 40% dimethomorph water dispersion granula dilutes spraying by 1000 times, and after medicine, 7 days control efficiency are 71.7%.Test shows that 44% Boscalid dimethomorph suspending agent has good control efficiency to graw mold of tomato, is better than corresponding single dose.
Embodiment 7
54% Boscalid dimethomorph wetting powder
Its raw material proportioning is: Boscalid 6%, dimethomorph 48%, NNO5%(dispersant), sodium lignin sulfonate 5%(dispersant), pull open powder 0.5%(wetting agent) and, kaolin (filler) complements to 100%.Above-mentioned formula, by than the abundant mixing of row, is made to wetting powder after ultra-fine pulverizer disintegrating.
This formula control tomato late blight is by 2000 times of dilution sprayings, and after medicine, 7 days control efficiency are 90.7%.20% Boscalid suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are that 83.5%, 40% dimethomorph water dispersion granula dilutes spraying by 1000 times, and after medicine, 7 days control efficiency are 73.5%.Test shows that 54% Boscalid dimethomorph suspending agent has good control efficiency to tomato late blight, is better than corresponding single dose.
Embodiment 8
35% Boscalid dimethomorph wetting powder
Its raw material proportioning is: Boscalid 30%, dimethomorph 5%, NNO5%(dispersant), sodium lignin sulfonate 5%(dispersant), pull open powder 0.5%(wetting agent), white carbon 3%, kaolin (filler) complements to 100%.Above-mentioned formula, by than the abundant mixing of row, is made to wetting powder after ultra-fine pulverizer disintegrating.
This formula control cucumber downy mildew is by 2000 times of dilution sprayings, and after medicine, 7 days control efficiency are 90.2%.50% Boscalid suspending agent is by 1000 times of dilution sprayings, and after medicine, 7 days control efficiency are that 81.2%, 40% dimethomorph water dispersion granula dilutes spraying by 1000 times, and after medicine, 7 days control efficiency are 69.7%.Test shows that 35% Boscalid dimethomorph suspending agent has good control efficiency to cucumber downy mildew, is better than corresponding single dose.
From embodiment 1-8, can find out, adopt bactericidal composition of the present invention, be used for preventing and treating the crop-planting process Common Diseases such as downy mildew, late blight, gray mold, its preventive effect is more than 90%, when the weight ratio of Boscalid and dimethomorph is 1:6～1:1, its preventive effect is more than 91.5%, and when the weight ratio of Boscalid and dimethomorph is 1:6, its preventive effect is up to 93.7%.
Claims (4)
1. a bactericidal composition that contains Boscalid and dimethomorph, it is characterized in that: take Boscalid and dimethomorph as active ingredient, the weight ratio of described Boscalid and dimethomorph is 1:10～6:1, and in described bactericidal composition, the percetage by weight of active ingredient is 10%～54%.
2. the bactericidal composition that contains Boscalid and dimethomorph according to claim 1, is characterized in that: the weight ratio of described Boscalid and dimethomorph is 1:6～1:1.
3. the bactericidal composition that contains Boscalid and dimethomorph according to claim 1, is characterized in that: the weight ratio of described Boscalid and dimethomorph is 1:6.
4. the bactericidal composition that contains Boscalid and dimethomorph according to claim 1, is characterized in that: the formulation of described bactericidal composition is a kind of in water dispersible granules or wetting powder or suspending agent.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103719109A (en) * | 2013-12-25 | 2014-04-16 | 江苏龙灯化学有限公司 | Fungicidal composition |
| WO2018201883A1 (en) * | 2017-05-04 | 2018-11-08 | Jiangsu Rotam Chemistry Co., Ltd. | Fungicidal composition and use thereof |
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| CN1282209A (en) * | 1997-12-18 | 2001-01-31 | 巴斯福股份公司 | Fungicide mixtures based on pyride amides and morpholine derivatives or piperidine derivatives |
| CN1282213A (en) * | 1997-12-18 | 2001-01-31 | 巴斯福股份公司 | Fungicide mixtures based on carboxamides and morpholine or pyridine derivatives |
| CN102316729A (en) * | 2009-02-11 | 2012-01-11 | 巴斯夫欧洲公司 | Dimethomorph as safener for pesticides with phytotoxic effects |
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2013
- 2013-10-12 CN CN201310476330.3A patent/CN103518743B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282209A (en) * | 1997-12-18 | 2001-01-31 | 巴斯福股份公司 | Fungicide mixtures based on pyride amides and morpholine derivatives or piperidine derivatives |
| CN1282213A (en) * | 1997-12-18 | 2001-01-31 | 巴斯福股份公司 | Fungicide mixtures based on carboxamides and morpholine or pyridine derivatives |
| CN102316729A (en) * | 2009-02-11 | 2012-01-11 | 巴斯夫欧洲公司 | Dimethomorph as safener for pesticides with phytotoxic effects |
Non-Patent Citations (1)
| Title |
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| 王文桥等: "生物源杀菌剂与化学杀菌剂协调防控黄瓜病害", 《中国生物防治学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103719109A (en) * | 2013-12-25 | 2014-04-16 | 江苏龙灯化学有限公司 | Fungicidal composition |
| WO2018201883A1 (en) * | 2017-05-04 | 2018-11-08 | Jiangsu Rotam Chemistry Co., Ltd. | Fungicidal composition and use thereof |
| CN110573016A (en) * | 2017-05-04 | 2019-12-13 | 江苏龙灯化学有限公司 | Fungicidal compositions and their use |
| CN110573016B (en) * | 2017-05-04 | 2022-04-15 | 江苏龙灯化学有限公司 | Fungicidal compositions and their use |
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