CN111213659A - Bactericidal composition containing metconazole and chlorobromoisocyanuric acid - Google Patents
Bactericidal composition containing metconazole and chlorobromoisocyanuric acid Download PDFInfo
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- CN111213659A CN111213659A CN202010233268.5A CN202010233268A CN111213659A CN 111213659 A CN111213659 A CN 111213659A CN 202010233268 A CN202010233268 A CN 202010233268A CN 111213659 A CN111213659 A CN 111213659A
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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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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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
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/12—Powders or granules
- A01N25/14—Powders or granules wettable
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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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
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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
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
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Abstract
The invention discloses a bactericidal composition containing metconazole and chlorofluoro-isocyanuric acid, which consists of a first active ingredient metconazole, a second active ingredient chlorofluoro-isocyanuric acid and an auxiliary agent, wherein the weight ratio of the first active ingredient to the second active ingredient is 1:38-22:1, and the sum of the contents of the first active ingredient and the second active ingredient is 1-80% of the total weight of the composition. The composition can be prepared into agriculturally allowable water dispersible granules, wettable powder, suspending agents and soluble powder. The composition can be used for preventing and treating cucumber downy mildew, and has obvious prevention effect. The wettable powder of the invention adopts the composite dispersant, and the dispersibility of the composition is greatly improved.
Description
Technical Field
The invention relates to a bactericidal composition containing metconazole and chlorobromoisocyanuric acid, which consists of a first active ingredient metconazole, a second active ingredient chlorobromoisocyanuric acid and an auxiliary agent, and belongs to the technical field of pesticide mixing.
Background
Metconazole, also known as metconazole, the english name: 5- (4-chlorophenyl) -2, 2-dimethyl-1- (1-hydro-l, 2, 4-triazol-l-methyl) cyclopentanol. Metconazole is a novel broad-spectrum systemic fungicide, and has an action mechanism and characteristics of a C-14 demethylase inhibitor in ergosterol biosynthesis.
The composition is mainly used for preventing and treating septoria, fusarium graminearum, leaf rust, yellow rust, powdery mildew and glume blight of wheat; barley control of dwarf rust, powdery mildew, coracoid; coracocephalospora and leaf rust of rye, and coronafora is used for preventing and treating crown rust; leaf rust, septoria of triticale (wheat crossed with rye). Has excellent activity on septoria and rust, has excellent protection and treatment effects, and can be used for stem leaf treatment and seed treatment.
Chlorobromoisocyanuric acid, the English name chloroisobromine cyanuric acid, is a systemic fungicide, can slowly release chloride ions and bromide ions when being sprayed on the surface of crops to form hypochlorous acid (HClO) and hypobromous acid (HBrO), and forms triazine Diketone (DHT) and triazine (ADHL) through a parent body after the hypobromous acid is released through systemic conduction, thereby having strong killing, systemic and protection functions on bacteria, fungi and viruses of the crops.
The applicant mixes the two, and a large number of indoor tests and field tests prove that the control effect on cucumber downy mildew is greatly improved after the metconazole and the chlorobromoisocyanuric acid are mixed, the dosage is lower, and the agricultural cost is reduced. Experiments prove that the blending of the two has strong synergistic effect, and researches on blending of the metconazole and the chlorobromoisocyanuric acid serving as effective components are not reported at home and abroad at present.
Disclosure of Invention
The invention aims to provide the bactericidal composition containing metconazole and chlorobromoisocyanuric acid, which has reasonable components, obvious synergistic effect and safety to crops.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a sterilization composition containing metconazole and chlorobromoisocyanuric acid is characterized in that,
(1) a first active ingredient: metconazole;
(2) the second active ingredient: chlorobromoisocyanuric acid;
the weight ratio of the first active ingredient to the second active ingredient is 1:38-22:1, and the sum of the contents is 1-80% of the total weight of the composition.
Further, the weight ratio of the first active ingredient to the second active ingredient is 1: 30-14: 1, the sum of the contents is 5-70% of the total weight of the composition.
Still further, the weight ratio of the first active ingredient to the second active ingredient is 1: 22-6: 1, the sum of the contents is 10-60 percent of the total weight of the composition.
The sterilization composition containing metconazole and chlorobromoisocyanuric acid can be prepared into water dispersible granules, wettable powder, suspending agents and soluble powder according to a method known by a person skilled in the art. Other dosage forms in the art may also be formulated.
The wettable powder is characterized in that the selected dispersing agent is a dispersing agent compounded by sodium lignosulfonate and fatty alcohol-polyoxyethylene ether phosphate in a ratio of 1:2-2:1, preferably 1:1, and the sum of the contents is 10% of the total weight of the composition.
The dispersant is at least one selected from the group consisting of polycarboxylates (TERSPERSE 2700, TERSPERSE2500, TERSPERSE4894, T36, GY-D06, etc.), lignosulfonates, alkylnaphthalenesulfonates (available from Henshimei corporation, USA, TERSPERSE 2020), sodium diisobutylnaphthalenesulfonate (nekal), alkylbenzenesulfonates, alkylnaphthalene formaldehyde condensate sulfonates, alkylphenol polyoxyethylene ether phosphates, alkylphenol polyoxyethylene ether sulfonates, phenethylphenol polyoxyethylene ether phosphates, fatty alcohol polyoxyethylene ether phosphates, polyoxyethylene polyoxypropylene ether block copolymers, and dodecyl polyoxyethylene ether phosphates.
The wetting agent is at least one selected from sodium dodecyl sulfate (K12), alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, phenethylphenol polyoxyethylene ether phosphate, alkyl sulfate, alkyl sulfonate, tristyrylphenol polyoxypropylene polyoxyethylene block polymer and alkylphenol polyoxyethylene ether phosphate.
The emulsifier is at least one selected from castor oil polyoxyethylene ether (BY-110, BY-125, BY-140), benzyl dimethyl phenol polyoxyethylene ether (Nongru No. 400), calcium dodecylbenzene sulfonate (Nongru No. 500), styryl phenol polyoxyethylene ether (Nongru No. 600), alkylphenol formaldehyde resin polyoxyethylene ether (Nongru No. 700), tristyryl phenol polyoxyethylene polyoxypropylene ether (Nongru 1601), Nongru No. 2201, span-60 (sorbitan stearate), Tween-60 (polyoxyethylene sorbitan monostearate), nonylphenol polyoxyethylene (EO ═ 10) ether phosphate, tristyryl phenol polyoxyethylene ether phosphate and TX-10 (octylphenol polyoxyethylene (10) ether).
The solvent is at least one selected from N-methylpyrrolidone, xylene, toluene, cyclohexanone, and solvent oil (S-150, S-180, S-200).
The antifreeze agent is at least one selected from ethylene glycol, polyethylene glycol, propylene glycol, glycerol, urea, glycerol, sorbitol, and inorganic salts such as sodium chloride.
The stabilizer is at least one selected from triphenyl phosphite, epichlorohydrin and epoxidized soybean oil.
The thickener is at least one selected from xanthan gum, white carbon black, polyvinyl alcohol, bentonite, magnesium aluminum silicate, carboxymethyl cellulose, carboxyethyl cellulose and methyl cellulose.
The defoaming agent is at least one selected from silicone oil, silicone compound, C10-20 saturated fatty acid compound, C8-10 fatty alcohol compound, butanol and hexanol.
The disintegrating agent is at least one selected from ammonium sulfate, sodium sulfate, polyvinylpyrrolidone, starch and its derivatives, and bentonite.
The filler is at least one of diatomite, kaolin, white carbon black, light calcium carbonate, talcum powder, attapulgite and argil.
The water is deionized water.
The invention has the following advantages and obvious technical effects that (1) the action mechanisms of the metconazole and the chlorobromoisocyanuric acid are different, and pathogenic bacteria are not easy to generate resistance; (2) the metconazole and the chlorobromoisocyanuric acid are compounded according to a certain proportion, the activity and the bactericidal effect of the metconazole are not simple superposition of the activities of all components, the metconazole and the chlorobromoisocyanuric acid have obvious synergistic action on wheat powdery mildew, can reduce the dosage of each single agent, reduce the pesticide cost, have good safety on crops and meet the safety requirement of pesticide preparations.
Detailed Description
The synergistic effect of the mixture of metconazole and chlorobromoisocyanuric acid on cucumber downy mildew is illustrated by a mixed indoor combined action test.
The test subjects were Pseudoperonospora cubensis (Pseudoperonospora cubensis). Preparing the original medicine into the required test medicament, wherein the test method adopts a pot culture method. 5 different concentration gradients are set for the single agent and each mixed agent (on the basis of a preliminary test, the bacteriostasis rate is set according to an equal ratio series within the range of 5-90 percent). Blank control was set and repeated 4 times, 2 plants per pot per treatment, 5 pots per treatment. The liquid medicine is evenly sprayed on the leaf surfaces, and the liquid medicine is reserved after being naturally dried. Spraying and inoculating the spore suspension, naturally drying, transferring to a constant temperature room, and culturing at the temperature of 17-22 ℃ and the relative humidity of more than 90%. And (5) when the blank control diseased leaf rate reaches more than 80%, investigating the inoculated leaves. The classification standard is as follows:
level 0: no disease;
level 1: the lesion area accounts for less than 5% of the whole leaf area;
and 3, level: the lesion area accounts for 6 to 10 percent of the whole leaf area;
and 5, stage: the lesion area accounts for 11 to 25 percent of the whole leaf area;
and 7, stage: the lesion area accounts for 26-50% of the whole leaf area;
and 9, stage: the lesion area accounts for more than 50% of the whole leaf area;
and calculating disease indexes and prevention and treatment effects of the treatments according to the survey data. The EC of each agent is obtained by linear regression analysis between control rate values and logarithmic values of the series of concentrations50The value is obtained.
Measured virulence index (ATI) ═ standard agent EC50Reagent for test EC50)×100
The Theoretical Toxicity Index (TTI) of mixed preparation is A toxicity index of medicine preparation, A content in mixed preparation, B toxicity index of medicine preparation and B content in mixed preparation
Co-toxicity coefficient (CTC) ═ mix observed virulence index (ATI) ÷ mix theoretical virulence index (TTI) ] x 100
The co-toxicity coefficient (CTC) of the mixture is calculated by the Sun Yunpei method, so as to evaluate the activity of the test agent on pathogenic bacteria. The co-toxicity coefficient (CTC) of the compound preparation is more than or equal to 120, which shows a synergistic effect; CTC is less than or equal to 80 and shows antagonism; 80 < CTC < 120 showed additive effects.
TABLE 1 toxicity test results of a mixture of metconazole and chlorobromoisocyanuric acid for cucumber downy mildew
The indoor combined action determination result shows that: the metconazole and the chlorobromoisocyanuric acid are mixed according to the weight ratio of 1:54-38:1, so that the bactericidal composition has higher activity on cucumber downy mildew, and has a synergistic effect when the ratio is 1:38-22:1, and the synergistic effect is most obvious when the ratio is 1: 6.
In order to better illustrate the invention, the following examples are given to further illustrate the invention. The percentages of the invention are weight percentages.
Formulation example 1
Weighing 6% of metconazole, 30% of chlorobromoisocyanuric acid, 6% of TERSPERSE 2020, 8% of phenethyl phenol polyoxyethylene ether phosphate, 3% of sodium alkylphenol polyoxyethylene ether formaldehyde condensate sulfate, 4% of alkylphenol polyoxyethylene ether phosphate, 5% of starch and talcum powder to be added to 100% by weight. The raw materials are mixed, subjected to superfine airflow crushing, mixed and granulated to obtain the 36 percent metconazole-chlorobromoisocyanuric acid water dispersible granule.
Formulation example 2
Weighing 8% of metconazole, 22% of chlorobromoisocyanuric acid, 6% of diisobutylnaphthalenesulfonate, 4% of polyoxyethylene polyoxypropylene block copolymer, 7% of triphenylethylphenol polyoxypropylene polyoxyethylene block polymer, 6% of sodium sulfate and attapulgite, and adding to 100% by weight. The raw materials are mixed, subjected to superfine airflow crushing, mixed and granulated to obtain the 30 percent metconazole-chlorobromoisocyanuric acid water dispersible granule.
Formulation example 3-1
Weighing 5% of metconazole, 30% of chlorobromoisocyanuric acid, 5% of sodium lignosulfonate, 5% of fatty alcohol-polyoxyethylene ether phosphate, 4% of sodium alkyl sulfate, 5% of white carbon black and enough light calcium to 100%. The raw materials are mixed, subjected to superfine jet milling and mixed to prepare the 35 percent wettable metconazole-chlorobromoisocyanuric acid powder.
Formulation examples 3 to 2
The procedure of preparation example 3-1 was repeated except that 3.3% sodium lignosulfonate and 6.7% fatty alcohol polyoxyethylene ether phosphate were weighed as the dispersant.
Formulation examples 3 to 3
The procedure of preparation example 3-1 was repeated except that 6.7% sodium lignosulfonate and 2.3% fatty alcohol-polyoxyethylene ether phosphate were weighed as the dispersant.
Formulation example 4
Weighing 13% of metconazole, 25% of chlorobromoisocyanuric acid, 7% of fatty alcohol-polyoxyethylene ether phosphate, 3% of TERSPERSE4894, 4% of sodium alkyl sulfate, 15% of kaolin and white carbon black, and adding the white carbon black to 100%. The raw materials are mixed, subjected to superfine jet milling and mixed to prepare the 38 percent wettable metconazole-chlorobromoisocyanuric acid powder.
Formulation example 5
Weighing 10% of metconazole, 20% of chlorobromoisocyanuric acid, 5% of dodecyl polyoxyethylene ether phosphate, 8% of TERSPERSE2500, 1% of glycerol, 3% of carboxymethyl cellulose 6 and 2% of butanol, and adding deionized water to 100% by weight. The raw materials are mixed, sheared and dispersed at high speed for 30min, and then are sanded by a sand mill until the grain diameter D90 is less than 10 mu m to prepare the 30 percent metconazole-chlorobromoisocyanuric acid suspending agent.
Formulation example 6
Weighing 8% of metconazole, 24% of chlorobromoisocyanuric acid, 6% of nekal, 12% of dodecyl polyoxyethylene ether phosphate, 3% of glycerol, 1% of magnesium aluminum silicate, 1% of polyvinyl alcohol and 1% of hexanol, and adding deionized water to 100% by weight. The raw materials are mixed, sheared and dispersed at high speed for 30min, and then sand milled by a sand mill until the grain diameter D90 is less than 10 mu m, thus preparing the 32 percent metconazole-chlorobromoisocyanuric acid suspending agent.
Formulation example 7
Weighing 14% of metconazole, 10% of chlorobromoisocyanuric acid, 8% of calcium polycarboxylate, 6% of diisobutylnaphthalenesulfonate, 4% of fatty alcohol-polyoxyethylene ether phosphate and 3% of alkylphenol polyoxyethylene ether phosphate, and adding kaolin to 100% by weight. The raw materials are mixed and pulverized by air flow to prepare the 24 percent soluble powder of metconazole and chlorobromoisocyanuric acid.
Formulation example 8
Weighing 6% of metconazole, 24% of chlorobromoisocyanuric acid, 5% of alkylphenol polyoxyethylene ether phosphate, 8% of sodium alkyl naphthalene sulfonate, 5% of sodium dibutyl naphthalene sulfonate and 3% of phenethyl phenol polyoxyethylene ether phosphate, and adding the argil to 100% by weight. The raw materials are mixed and pulverized by air flow to prepare 30 percent of metconazole-chlorobromoisocyanuric acid soluble powder.
Comparative example 1
Except for the dispersant, only 10% of sodium lignin sulfonate was weighed, and the rest was the same as in formulation example 3-1.
Comparative example 2
Except for the dispersant, only 10% of fatty alcohol-polyoxyethylene ether phosphate was weighed, and the rest was the same as in formulation example 3-1.
Comparative example 3
Except for the dispersant, only 10% of diisobutylnaphthalenesulfonate was weighed, and the rest was the same as in formulation example 3-1.
Comparative example 4
The procedure of preparation example 3-1 was repeated except that 2.5% sodium lignosulfonate and 7.5% fatty alcohol-polyoxyethylene ether phosphate were weighed as the dispersant.
Comparative example 5
The procedure of preparation example 3-1 was repeated except that 7.5% sodium lignosulfonate and 2.5% fatty alcohol-polyoxyethylene ether phosphate were weighed as the dispersant.
Biological example 1: and (3) field test for controlling cucumber downy mildew.
Preparation examples 3-1, 3-2 and 3-3, comparative examples 1, 2, 3, 4 and 5 and two control medicaments in Yilin town of Funing county of salt city in Jiangsu province in 2019 are subjected to field tests for controlling cucumber downy mildew. Tests prove that the composition has the effects of preventing and treating cucumber downy mildew, effective dose and safety to cucumbers.
The test crop is cucumber, and the control object is cucumber downy mildew (Pseudoperonospora cubensis). The test is arranged in Zhendong paddy field village of Shouguang paddy field, the test field has flat topography, moderate soil fertility, moderate fertilizer and water management during the test period, and the like. The test agents and dosages are detailed in table 2. And additionally setting blank control, repeating the treatment for 4 times, wherein each cell is 30 square meters and is arranged in random blocks. The conventional spraying method is adopted, 45kg of pesticide liquid is applied per mu for 2 times, and the pesticide liquid is uniformly sprayed on the front and back surfaces of the leaves.
The investigation and statistical method comprises the following steps: the disease condition base was investigated before the application of the drug, and the drug was applied once again at intervals of 7 days, and the second drug was investigated once 10 days later, for 2 times. Four points are randomly selected in each cell, 2 plants are investigated in each point, all leaves are investigated in each plant, and each leaf is recorded according to the percentage of lesion spots to the leaf area in a grading manner. The grading method comprises the following steps:
level 0: no disease spots;
level 1: the lesion area accounts for less than 5% of the whole leaf area;
and 3, level: the lesion area accounts for 6 to 10 percent of the whole leaf area;
and 5, stage: the lesion area accounts for 11 to 25 percent of the whole leaf area;
and 7, stage: the lesion area accounts for 26-50% of the whole leaf area;
and 9, stage: the lesion area accounts for more than 50% of the whole leaf area.
Disease index [ Σ (each stage of diseased leaf number × relative stage number)/(total investigated leaf number × 9) ] × 100
The prevention and treatment effect (%) is [1- (disease index before control drug application x disease index after treatment drug application)/(disease index after control drug application x disease index before treatment drug application ] × 100%
TABLE 2 field test results for controlling cucumber downy mildew
The field test result shows that: the preparation examples 3-1, 3-2 and 3-3 have good control effect on cucumber downy mildew, the control effect on cucumber downy mildew 10 days after the 2 nd application is more than 85% by spraying according to 10 g/mu of active ingredients, and the control effect is obviously better than that of a single dispersant, other dispersants and a composite dispersant outside the proportion range of the invention. Particularly, when the compound dispersant is selected from the preparation example 3-1 in a specific ratio of 1:1, the control effect is the best. By analyzing the significance of the control effect difference 10 days after the second drug, the control effect difference of the composition of the invention and the control example, single dose and blank control reaches an extremely significant level.
The safety of the cucumber is investigated, the cucumber is observed on the 1 st day after spraying and a plurality of days after spraying, and the cucumber is not harmed by each experimental treatment.
Dispersion test 1
The water dispersible granules prepared in preparation examples 1-8 and comparative examples 1-5 are subjected to a dispersibility test by using a GB/T32775-2016 pesticide dispersibility determination method, and specific data are shown in Table 3.
TABLE 3 pesticide dispersibility determination data Table
| Examples | Dispersibility (%) | Comparison of | Dispersibility (%) |
| Example 1 | 92.2 | Example 1 | 85.4 |
| Example 2 | 93.2 | Example 2 | 87.9 |
| Example 3-1 | 97.4 | Example 3 | 85.9 |
| Examples 3 to 2 | 96.2 | Example 4 | 88.5 |
| Examples 3 to 3 | 96.5 | Example 5 | 87.0 |
| Example 4 | 94.7 | - | - |
| Example 5 | 95.2 | - | - |
| Example 6 | 92.1 | - | - |
| Example 7 | 95.1 | - | - |
| Example 8 | 93.6 | - | - |
And (4) analyzing results: as can be seen from the above table, examples 1 to 8 of the present invention are superior in dispersibility to comparative examples 1 to 5, and particularly when the composite dispersant ratio of formulation example 3 to 1 is 1:1, the dispersibility is the best.
In conclusion, the composition has an obvious control effect on cucumber downy mildew, adopts a mixing scheme of two active ingredients, has an obvious synergistic effect besides an obvious bactericidal effect instead of a simple superposition of the activities of the components, has a low control cost, is safe to crops and meets the safety requirement of pesticide preparations compared with the existing single preparation.
Claims (7)
1. A bactericidal composition containing metconazole and chlorobromoisocyanuric acid is characterized in that: the composition consists of a first active ingredient of metconazole, a second active ingredient of chlorobromoisocyanuric acid and an auxiliary agent, wherein the weight ratio of the metconazole to the chlorobromoisocyanuric acid is 1:38-22:1, the sum of the contents is 1-80% of the total weight of the composition.
2. The bactericidal composition containing metconazole and chlorobromoisocyanuric acid according to claim 1, wherein: the weight ratio of metconazole to chlorobromoisocyanuric acid is 1: 30-14: 1, the sum of the contents is 5-70% of the total weight of the composition.
3. The bactericidal composition containing metconazole and chlorobromoisocyanuric acid according to claim 2, wherein: the weight ratio of metconazole to chlorobromoisocyanuric acid is 1: 22-6: 1, the sum of the contents is 10-60% of the total weight of the composition.
4. The bactericidal composition containing metconazole and chlorobromoisocyanuric acid according to any one of claims 1 to 3, wherein: the composition can be water dispersible granules, wettable powder, suspending agents and soluble powder.
5. The bactericidal composition containing metconazole and chlorobromoisocyanuric acid according to any one of claims 1 to 3, wherein: the composition can be used for preventing and treating cucumber downy mildew.
6. The bactericidal composition wettable powder containing metconazole and chlorobromoisocyanuric acid is characterized in that the selected dispersing agent is a dispersing agent compounded by sodium lignosulfonate and fatty alcohol-polyoxyethylene ether phosphate in a ratio of 1:2-2:1, and the sum of the contents is 10% of the total weight of the composition.
7. The wettable powder of the bactericidal composition containing metconazole and chlorobromoisocyanuric acid as claimed in claim 6, wherein the dispersant is a 1:1 composite dispersant of sodium lignosulfonate and sodium alkylnaphthalenesulfonate.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937891A (en) * | 2020-09-17 | 2020-11-17 | 江苏富田农化有限公司 | Bactericidal composition containing metconazole and dichloroisocyanuric acid |
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| CN102823603A (en) * | 2012-09-13 | 2012-12-19 | 王学权 | Sterilization compound containing chloroisobromine cyanuric acid |
| CN110870480A (en) * | 2019-12-12 | 2020-03-10 | 潘虹 | Bactericidal composition containing hymexazol and dichloroisocyanuric acid |
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- 2020-03-29 CN CN202010233268.5A patent/CN111213659A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102823603A (en) * | 2012-09-13 | 2012-12-19 | 王学权 | Sterilization compound containing chloroisobromine cyanuric acid |
| CN110870480A (en) * | 2019-12-12 | 2020-03-10 | 潘虹 | Bactericidal composition containing hymexazol and dichloroisocyanuric acid |
Non-Patent Citations (1)
| Title |
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| 王世娟等: "《农药生产技术》", 31 August 2008 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937891A (en) * | 2020-09-17 | 2020-11-17 | 江苏富田农化有限公司 | Bactericidal composition containing metconazole and dichloroisocyanuric acid |
| CN111937891B (en) * | 2020-09-17 | 2022-02-22 | 江苏富田农化有限公司 | Bactericidal composition containing metconazole and dichloroisocyanuric acid |
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Application publication date: 20200602 |