CN112021326A - Bactericidal composition containing chlorine indole hydrazide and agricultural streptomycin and application thereof - Google Patents
Bactericidal composition containing chlorine indole hydrazide and agricultural streptomycin and application thereof Download PDFInfo
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- CN112021326A CN112021326A CN202010939281.2A CN202010939281A CN112021326A CN 112021326 A CN112021326 A CN 112021326A CN 202010939281 A CN202010939281 A CN 202010939281A CN 112021326 A CN112021326 A CN 112021326A
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- hydrazide
- agricultural streptomycin
- chloroindole
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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
- A01N47/40—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 a double or triple bond to nitrogen, e.g. cyanates, cyanamides
- A01N47/42—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 a double or triple bond to nitrogen, e.g. cyanates, cyanamides containing —N=CX2 groups, e.g. isothiourea
- A01N47/44—Guanidine; Derivatives thereof
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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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
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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)
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- General Health & Medical Sciences (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of pesticides, and particularly relates to a bactericidal composition containing chloroindole hydrazide and agricultural streptomycin and an application thereof, wherein the effective components are the chloroindole hydrazide and the agricultural streptomycin, the total weight percentage of the effective components in the composition is 5-75%, and the weight ratio of the chloroindole hydrazide to the agricultural streptomycin is 10: 1-1: 10, the pesticide composition disclosed by the invention can well prevent and treat bacterial diseases, effectively expands the prevention and treatment spectrum, improves the prevention and treatment effect of a pesticide, is beneficial to reducing the use amount of the pesticide, reduces the spraying times, reduces the labor force and realizes scientific and comprehensive treatment of plant diseases.
Description
Technical Field
The invention belongs to the technical field of pesticides, and particularly relates to a bactericidal composition containing chlorine indole hydrazide and agricultural streptomycin and application thereof.
Background
(E) -N' - (4-chlorophenylmethylene) -1-methyl-2, 3,4, 9-tetrahydro-1H-pyrido [3,4-b ] indole-3-carboxylic acid hydrazide (FIG. I, title: chloroindolhydrazide). Toxicological tests show that the compound has very good antiviral and bactericidal properties, wherein the control of the cucumber bacterial angular leaf spot is more than 90%.
Agricultural streptomycin is an antibiotic medicament, is a metabolite produced by actinomycetes, has a wide bactericidal spectrum, is particularly good for various bacterial diseases, has a systemic effect, and is low in toxicity to people and livestock. Is widely used for preventing and treating a series of diseases such as Chinese cabbage soft rot, rice bacterial leaf blight, cotton rhizoctonia rot, melon downy mildew and the like in agricultural production.
The long-term single use of one drug for preventing and treating bacterial diseases causes the problems of the enhancement of the drug resistance of certain pathogenic bacteria, the reduction of the drug effect of the drug and the like. The medicine is reasonably compounded, so that the medicine effect can be improved, the dosage can be reduced, the medicine resistance of diseases and the occurrence and development of the medicine resistance can be delayed, and no report of the compound bactericide of the chloroindole hydrazide and the agricultural streptomycin exists at present.
Disclosure of Invention
Based on the situation, the invention provides a bactericidal composition containing chloroindole hydrazide and agricultural streptomycin and application thereof, which can be used for preventing and controlling bacterial diseases on field crops, fruit trees and vegetables. The composition provided by the invention has the characteristics of small resistance risk, environmental friendliness, good control effect and the like.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the bactericidal composition containing the chloroindoxyl and the agricultural streptomycin comprises the effective components of the chloroindoxyl and the agricultural streptomycin, wherein the total weight percentage of the effective components of the chloroindoxyl and the agricultural streptomycin in the composition is 5-75%, and the weight ratio of the chloroindoxyl to the agricultural streptomycin is 10: 1-1: 10.
Preferably, the weight ratio of the effective components of the chloroindole hydrazide and the agricultural streptomycin is 1: 1.
Preferably, the bactericidal composition containing the chloroindole hydrazide and the agricultural streptomycin can be prepared into wettable powder, water dispersible granules and suspending agents, but is not limited to the dosage forms.
The composition of the invention contains auxiliary components which are commonly used in pesticide preparations so as to prepare preparation products suitable for agricultural production. The auxiliary ingredients in the composition of the present invention include acceptable surfactants, fillers, and the like; surfactants such as polycarboxylates and sodium lignosulfonates; kaolin, bentonite, attapulgite, calcium carbonate and other fillers, and other stabilizers, safeners, colorants and the like acceptable for pesticide preparations.
The composition provided by the invention takes the chloroindole hydrazide and the agricultural streptomycin as main active ingredients, and is prepared into a preparation with one or more auxiliary ingredients according to a conventional pesticide method, so that the preparation can be selected and prepared according to needs, the application range is wide, and the requirements of customers are met. In the present invention, if necessary, other auxiliary agents such as penetrants, synergists, etc., which are well known to those skilled in the art, may be included.
The bactericidal composition containing the chloroindole hydrazide and the agricultural streptomycin can be used for preventing and treating bacterial diseases on field crops, fruit trees and vegetables, has a good effect on the bacterial diseases, improves the pesticide effect, prolongs the lasting period, can effectively reduce the pesticide amount and frequency of field pesticide application, reduces the risk of pesticide resistance of plant diseases and insect pests caused by long-term use of a single pesticide, and has important significance for field comprehensive prevention and treatment of the plant diseases and insect pests.
The invention has the beneficial effects that:
(1) the two medicaments with different action mechanisms are subjected to binary compounding, so that the advantages can be complemented, the problem of drug resistance caused by the use of a single medicament can be effectively delayed, the service life of the medicament is prolonged, and the method has important significance for the comprehensive prevention and treatment of agricultural diseases.
(2) The invention mixes the chloroindoxyl and the agricultural streptomycin according to a certain proportion, and has obvious synergistic effect on disease control.
Detailed Description
In order to more clearly and specifically describe the pesticide composition provided by the embodiments of the present invention, the following description will be given with reference to specific embodiments.
The percentages in the examples which follow are by weight.
The experimental procedures used in the following examples are all conventional procedures unless otherwise specified.
Materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
The first embodiment is as follows: 66% chloroindoxyl hydrazide agricultural streptomycin wettable powder
The specific formula is as follows: chloroindole hydrazide, 6%; 60% of agricultural streptomycin and 6% of wetting agent sodium dodecyl sulfate; 10% of dispersant calcium lignosulfonate and 10% of filler white carbon black; the filler is high in soil yield;
the materials are uniformly mixed according to the proportion of the formula, and are mixed to prepare the wettable powder after being pulverized by air flow, and the main equipment comprises a mixer, an air flow pulverizer and the like.
Example two: 73.5% chloroindoxyl hydrazide agricultural streptomycin wettable powder
The specific formula is as follows: chloroindole hydrazide, 3.5%; agricultural streptomycin, 70%; wetting agent sodium dodecyl sulfate, 5%; 2% of dispersant polycarboxylate, 5% of alkyl naphthalene sulfonate formaldehyde condensate; 5% of corn starch; the balance of attapulgite;
the materials are uniformly mixed according to the proportion of the formula, and are mixed to prepare the wettable powder after being pulverized by air flow, and the main equipment comprises a mixer, an air flow pulverizer and the like.
Example three: 30% chloroindoxyl hydrazide agricultural streptomycin water dispersible granule
The specific formula is as follows:
chloroindole hydrazide, 5%; 25% of agricultural streptomycin and 4% of wetting agent sodium dodecyl sulfate; alkyl naphthalene sulfonate formaldehyde condensate, 5%; 10% of dispersant calcium lignosulfonate and 10% of filler corn starch; the balance of ammonium sulfate.
The materials are uniformly mixed according to the proportion of the formula, are mixed to prepare coarse powder after being subjected to air flow crushing, and are added with proper amount of water to be kneaded and granulated, wherein the main equipment comprises a mixer, an air flow crusher, a granulator, a dryer and the like.
Example four: 25% chloroindoxyl hydrazide agricultural streptomycin water dispersible granule
The specific formula is as follows:
chloroindole hydrazide, 12.5%; 12.5 percent of agricultural streptomycin and 2 percent of wetting agent sodium dodecyl sulfate; alkyl naphthalene sulfonate formaldehyde condensate, 4%; 4% of polycarboxylate, 15% of filler corn starch; 10% of diatomite; the balance of ammonium sulfate;
the materials are uniformly mixed according to the proportion of the formula, are mixed to prepare coarse powder after being subjected to air flow crushing, and are added with proper amount of water to be kneaded and granulated, wherein the main equipment comprises a mixer, an air flow crusher, a granulator, a dryer and the like.
Example five: 12% chloroindole hydrazide agricultural streptomycin suspending agent
The specific formula is as follows:
chloroindole hydrazide, 10%; agricultural streptomycin, 2%; emulsifier agricultural emulsion 400#, 2%; 3% of dispersant phosphates; the thickening agent is selected from xanthan gum and aluminum magnesium silicate, and the using amounts are 0.1% and 0.8% respectively; 4% of antifreeze propylene glycol; 0.15 percent of defoaming agent silicone compound; water, the balance;
the materials are sequentially added into a reaction kettle according to the proportion of the formula, uniformly mixed, subjected to high-speed shearing, wet grinding and finally homogenized and filtered to obtain the product, and the main equipment comprises a batching kettle, a colloid mill and the like or a homogenizing mixer, a sand mill and the like.
Example six: 33% chloroindoxyl hydrazide agricultural streptomycin water dispersible granule
The specific formula is as follows:
chloroindole hydrazide, 30%; agricultural streptomycin, 3 percent, wetting agent sodium dodecyl sulfate, 5 percent; alkyl naphthalene sulfonate formaldehyde condensate, 5%; 5% of carboxylate auxiliary agent and 20% of filler corn starch; 5% of talcum powder; the balance of light calcium;
the materials are uniformly mixed according to the proportion of the formula, are mixed to prepare coarse powder after being subjected to air flow crushing, and are added with proper amount of water to be kneaded and granulated, wherein the main equipment comprises a mixer, an air flow crusher, a granulator, a dryer and the like.
Example seven: 42% chloroindoxyl hydrazide agricultural streptomycin wettable powder
The specific formula is as follows:
chloroindole hydrazide, 40%; agricultural streptomycin, 2%; wetting agent sodium dodecyl sulfate, 3%; dispersant lignosulfonate, 2%, alkyl naphthalene sulfate formaldehyde condensate, 5%; 5% of diatomite; attapulgite and the balance;
the substances are uniformly mixed according to the formula proportion, and are mixed after being pulverized by air flow to prepare the wettable powder. The main equipment comprises a mixer, a jet mill and the like.
Test of
Indoor bioassay:
and (3) indoor toxicity determination and formula screening of chloroindoxyl hydrazide and agricultural streptomycin on ginger ralstonia solanacearum.
Sampling from the main planting area of the Shandong Weifang ginger, separating and purifying to obtain ginger ralstonia solanacearum, carrying out virulence determination on the test medicament by adopting an antibacterial circle method, calculating the inhibition intermediate concentration Lc50, and then calculating the cotoxicity coefficient (CTC) of the mixture by using the Sun Yunfei, wherein the cotoxicity coefficient (CTC value) of the mixture is calculated according to the following formula:
the combination was found to have a virulence index ATI ═ 100 (standard agent LC 50/test agent LC 50). The theoretical virulence index TTI of the mixed preparation is A medicament virulence index multiplied by the percentage of A in the mixed preparation, B medicament virulence index multiplied by the percentage of B in the mixed preparation.
The co-toxicity coefficient CTC is measured toxicity index ATI/theoretical toxicity index TTI x 100. If CTC is less than 80, antagonism is obtained; 80 or more and 120 or less of CTC, which is additive effect; CTC is more than 120, and has synergistic effect; CTC is more than 170, which is a remarkable synergistic effect. On the basis, after the composition formula with the best synergistic effect is screened out, corresponding field efficacy test verification is carried out. The results are shown in Table 1.
TABLE 1 results of indoor toxicity determination of ginger bacterial wilt by different treatments
Test results show that the different compounding ratios of the chloroindole hydrazide and the agricultural streptomycin in the range for preventing and treating the ginger bacterial wilt show a synergistic effect, and the mass ratio is 10: 1-1: the synergistic effect is obvious when the ratio is 10, wherein the co-toxicity coefficient is maximum when the ratio is 1:1, which shows that the synergistic effect of the chloroindole hydrazide and the agricultural streptomycin is most obvious when the ratio is 1: 1.
Indoor bioassay test determination
And (4) performing indoor bioassay tests to determine the pesticide effect test of the composition of the chloroindole hydrazide and the agricultural streptomycin on preventing and treating bacterial diseases of ginger bacterial wilt.
Test agents: examples 1-7 formulations, comparative example 10% chloroindole hydrazide SC (Ready-to-use), 72% agricultural streptomycin WP (Ready-to-use)
Test strains: pathogenic bacteria of bacterial wilt of ginger
The test method comprises the following steps: firstly, mixing bacterial wilt bacteria and an agar culture medium uniformly, adding the mixture into a culture dish of 12cm, cooling, taking out disc filter paper soaked in liquid medicine with different concentrations by using tweezers, placing the disc filter paper in the center of a flat plate with the bacterial culture medium, and covering the disc filter paper with a cover. And (3) placing the culture dish at a proper temperature for culturing for 3-4 days, and observing the size of the inhibition zone around the filter paper disc. Because the liquid medicine absorbed by the filter paper wafer slowly diffuses to the periphery, clear bacteriostatic zones can appear around the filter paper wafer. The size of the inhibition zone represents the height of the antibacterial ability.
TABLE 2 size of zone of inhibition for test agent
Indoor bioassay tests prove that the inhibition zone of the agricultural composition of the chloroindole hydrazide and the agricultural streptomycin on bacterial wilt of ginger under the same use concentration is greater than the inhibition effect of the two drugs when the two drugs are used independently. Shows that the two medicament compositions have synergistic effect.
And (3) field test:
according to indoor bioassay tests and indoor toxicity tests, when the compounding ratio of the chloroindole hydrazide to the agricultural streptomycin is 1:1, the synergy is most obvious. Further explaining by combining the proportions, a field test is carried out to determine the control effect of the chloroindole hydrazide and the agricultural streptomycin on the ginger bacterial wilt.
Test agents: chloroindolylhydrazide agricultural streptomycin was applied as in example four, comparative example 10% chloroindolohydrazide SC (self-contained), 72% agricultural streptomycin WP (self-contained)
The test method comprises the following steps: the test is carried out with a ginger planting base in Hebei province, and ginger is planted continuously for many years in the test field and is a ginger bacterial wilt common area. The application is started in the early stage of the field disease of the ginger bacterial wilt, and the area of each treatment cell is 30m2200 ginger plants are planted. Three treatments were set for the test, 10% chloroindole hydrazide SC 2000-fold solution, 72% agricultural streptomycin WP 1000-fold solution, and 25% chloroindole hydrazide agricultural streptomycin WDG 5000-fold solution, respectively, with clear water as a control. Arranged in random blocks, everywhereRepeat for 3 times. In the early stage of the field disease of the ginger bacterial wilt, the application is started, the second application is applied every 7 days, and the application is carried out twice. And 7d and 15d after the last application of the pesticide, investigating the disease occurrence condition of ginger bacterial wilt once respectively, counting the number of the disease occurrence plants one by one, and calculating the disease incidence and the prevention effect.
The bacterial wilt is recorded according to the following disease grade standard: grade 0- -no greenish-dry symptoms; level 1-1% 25%; level 2- -26% - -50%; level 3-51% 75%; level 4- -76% - -100% of the leaves are withered and become dry;
disease severity ═ Σ (number of diseased plants × number of disease progression)/(total number of plants × number of highest disease progression) × 100%
The control effect is (contrast disease severity-treatment disease severity)/contrast disease severity multiplied by 100%
TABLE 3 determination of ginger bacterial wilt control by different treatments
As can be seen from Table 3, 7 days and 15 days after the last application of the agricultural streptomycin compound composition, the chloroindole hydrazide and agricultural streptomycin compound composition can obviously improve the control effect and reduce the usage amount of the pesticide.
In conclusion, the pesticide composition containing the chloroindole hydrazide and the agricultural streptomycin has a good effect on bacterial diseases, the pesticide effect is improved after compounding, and the lasting period is prolonged. The composition can effectively reduce the pesticide application amount and times in the field, reduces the risk of pest resistance caused by long-term use of a single pesticide, and has important significance for comprehensive field control.
Claims (4)
1. The bactericidal composition containing the chlorine indole hydrazide and the agricultural streptomycin is characterized by comprising the following components in parts by weight: the active ingredients are the chloroindoxyl and the agricultural streptomycin, the total weight percentage of the active ingredients in the composition is 5-75%, and the weight ratio of the chloroindoxyl to the agricultural streptomycin is 10: 1-1: 10.
2. The bactericidal composition containing chloroindole hydrazide and agricultural streptomycin as claimed in claim 1, wherein: the weight ratio of the active ingredients of the chloroindole hydrazide to the agricultural streptomycin is 1: 1.
3. The bactericidal composition containing chloroindole hydrazide and agricultural streptomycin as claimed in claim 1, wherein: the dosage forms of the composition which can be prepared are wettable powder, water dispersible granules and suspending agents.
4. The application of the bactericidal composition containing the chloroindole hydrazide and the agricultural streptomycin as claimed in any one of claims 1 to 3, is characterized in that: the composition can be used for preventing and treating bacterial diseases of field crops, fruit trees and vegetables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939281.2A CN112021326A (en) | 2020-09-08 | 2020-09-08 | Bactericidal composition containing chlorine indole hydrazide and agricultural streptomycin and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010939281.2A CN112021326A (en) | 2020-09-08 | 2020-09-08 | Bactericidal composition containing chlorine indole hydrazide and agricultural streptomycin and application thereof |
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Citations (4)
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| CN107801722A (en) * | 2017-09-30 | 2018-03-16 | 京博农化科技股份有限公司 | A kind of antiviral composition |
| CN109757497A (en) * | 2018-12-28 | 2019-05-17 | 京博农化科技有限公司 | A kind of bactericidal composition |
| CN110622982A (en) * | 2019-08-21 | 2019-12-31 | 京博农化科技有限公司 | Sterilization composition containing zhongshengmycin |
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2020
- 2020-09-08 CN CN202010939281.2A patent/CN112021326A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104744460A (en) * | 2013-12-30 | 2015-07-01 | 南开大学 | B-carboline, dihydro-B-carboline and tetrahydro-B-carboline alkaloid derivative as well as preparation method and application in aspects of plant virus prevention and cure, sterilization and insecticide |
| CN107801722A (en) * | 2017-09-30 | 2018-03-16 | 京博农化科技股份有限公司 | A kind of antiviral composition |
| CN109757497A (en) * | 2018-12-28 | 2019-05-17 | 京博农化科技有限公司 | A kind of bactericidal composition |
| CN110622982A (en) * | 2019-08-21 | 2019-12-31 | 京博农化科技有限公司 | Sterilization composition containing zhongshengmycin |
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| 冯晓菲等: " 4种药剂对番茄黄化曲叶病毒病的田间防效", 《湖南农业科学》 * |
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