CN105165912B - A kind of bactericidal composition containing thiophanate-methyl and careless extract of lobbing - Google Patents
A kind of bactericidal composition containing thiophanate-methyl and careless extract of lobbing Download PDFInfo
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- CN105165912B CN105165912B CN201510529656.7A CN201510529656A CN105165912B CN 105165912 B CN105165912 B CN 105165912B CN 201510529656 A CN201510529656 A CN 201510529656A CN 105165912 B CN105165912 B CN 105165912B
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Abstract
A kind of bactericidal composition containing thiophanate-methyl and careless extract of lobbing, belongs to bactericide technical field.It contains active ingredient thiophanate-methyl and careless extract of lobbing, and the weight ratio of the thiophanate-methyl and careless extract of lobbing is 1:10~10:1, described lob grass extract is obtained by following steps：The careless crushed after being dried that will lob is into coarse powder, the EtOH Sonicate for adding careless 6 10 times of coarse powder weight of lobbing extracts 23 times, 30 50 minutes every time, filter, filter residue is discarded, after merging extract solution, obtained extract solution carries out flash concentration to the 1/10 1/14 of original volume under the conditions of 60 70 DEG C using Reduced Pressure Concentration Device, concentrate is spray-dried or be dried in vacuo into dry powder, is obtained.The present invention has notable preventive effect by careless extract and thiophanate-methyl compounding of lobbing to rice green smut and rice ear rot, can reach more than 90%.
Description
Technical field
The invention belongs to bactericide technical field, and in particular to a kind of sterilization containing thiophanate-methyl and careless extract of lobbing
Composition.
Background technology
The preventing and treating of crop disease accounts for very big proportion in agriculture production cost, as the development bulk sterilization agent of science and technology is continuous
Emerge in large numbers, and drug effect more and more higher.In actual use, many bactericide selectivitys are strong, and target scope is narrower, it is difficult to meet anti-
The requirement controlled is, it is necessary to which various medicaments are used in mixed way.However, combined use of pesticides technology content is higher, peasant oneself is mixed often
Produce drug effect decline, poisoning produces.Therefore, it is necessary to which the good bactericide of compounding effect is made into built agent, reach simple, high
Imitate the purpose of controlling disease.
Thiophanate-methyl (Thiophanate-Methyl), also known as thiophanate methyl, its chemical name are (the 3- first of 1,2- bis-
Oxocarbon group -2- ghiourea groups) benzene, structural formula is：
,
It is a kind of efficient, wide spectrum, low toxicity, low-residual, systemic fungicide, can prevent and treat various crop disease, has and protects
The two kinds of effects of shield and treatment.Its mechanism of action is after the medicine is sprayed in plant surface and is absorbed by plants, through one in plant
Array of biochemical reaction is converted into carbendazim, disturbs the cell division of bacterium, prevents germ from normal growth so as to reach bactericidal effect.
Its absorbability is better than carbendazim, and residue problem is also headachy problem.Due to its benzo miaow with another extensive utilization
Azoles fungicide, carbendazim, there is the interactive resistance to the action of a drug, the pathogen resistance to the action of a drug has seriously affected its drug effect, causes dosage more next
It is bigger, and drug effect is more and more lower.Thiophanate-methyl is ineffective to the rotten lower fungus such as mould, head mold and Mucor, to Bacteria suppression
Act on less obvious.
The content of the invention
The problem of existing for prior art, it is an object of the invention to design offer one kind to contain thiophanate-methyl and lob
The technical scheme of the bactericidal composition of careless extract.
A kind of described bactericidal composition containing thiophanate-methyl and careless extract of lobbing, it is characterised in that containing effectively into
The weight ratio of point thiophanate-methyl and careless extract of lobbing, the thiophanate-methyl and careless extract of lobbing is 1:10~10:1,
Described lob grass extract is obtained by following steps：The careless crushed after being dried that will lob adds careless coarse powder weight of lobbing into coarse powder
The EtOH Sonicate of 6-10 times of amount extracts 2-3 times, each 30-50 minutes, filters, and discards filter residue, after merging extract solution, obtains
Extract solution carries out flash concentration to the 1/10-1/14 of original volume under the conditions of 60-70 DEG C using Reduced Pressure Concentration Device, will be dense
Contracting liquid is spray-dried or is dried in vacuo into dry powder, obtains careless extract of lobbing.
A kind of described bactericidal composition containing thiophanate-methyl and careless extract of lobbing, it is characterised in that the methyl sulphur
The weight ratio of bacterium spirit and careless extract of lobbing is 1:9~9:1.
A kind of described bactericidal composition containing thiophanate-methyl and careless extract of lobbing, it is characterised in that the methyl sulphur
The weight ratio of bacterium spirit and careless extract of lobbing is 1:4~1:1.
A kind of described bactericidal composition containing thiophanate-methyl and careless extract of lobbing, it is characterised in that the methyl sulphur
The weight ratio of bacterium spirit and careless extract of lobbing is 1:1~9:1.
A kind of described bactericidal composition containing thiophanate-methyl and careless extract of lobbing, it is characterised in that the methyl sulphur
The weight ratio of bacterium spirit and careless extract of lobbing is 1:4~2:3.
A kind of described bactericidal composition containing thiophanate-methyl and careless extract of lobbing, it is characterised in that the methyl sulphur
The weight ratio of bacterium spirit and careless extract of lobbing is 3:2~4:1.
A kind of above-mentioned bactericidal composition containing thiophanate-methyl and careless extract of lobbing, passes through careless extract and the first of lobbing
Base thiophanate compounding has notable preventive effect to rice green smut and rice ear rot, can reach more than 90%.
Embodiment
The present invention is further illustrated below in conjunction with test example.
Embodiment 1
Thiophanate methyl raw pesticide and the careless extract of lob are taken, sterilized water is added to and adds a small amount of surfactant, through super
After sonicated, medicament is configured to respectively.Multigroup dosages distribution is set according to mixture purpose, 1:9,1:4,3:7,2:3,1:1,3:
2,7:3,4:1,9:1, each proportioning is the mass ratio of two kinds of medicament active ingredient.
Careless extract of wherein lobbing is obtained by following steps：The careless crushed after being dried that will lob adds lob grass into coarse powder
The EtOH Sonicate of 6-10 times of coarse powder weight extracts 2-3 times, each 30-50 minutes, filters, and discards filter residue, after merging extract solution,
Obtained extract solution carries out flash concentration to the 1/10-1/ of original volume under the conditions of 60-70 DEG C using Reduced Pressure Concentration Device
14, concentrate is spray-dried or be dried in vacuo into dry powder, obtains careless extract of lobbing.
Test example 1：The preventing and treating that bactericidal composition containing thiophanate-methyl and careless extract of lobbing is soaked seed to rice green smut
Experiment
1.1 experiment kinds
Late-maturing three be excellent No. 12 of Indica-Japonica Hybrid Rice river in Zhejiang Province.
1.2 controlling object
Rice green smut and rice ear rot.
1.3 chemicals treatments are set（Active ingredient is all 20 grams/acre）
（Processing 1）20% thiophanate-methyl and careless extract 1 of lobbing：9 100 grams/acre of compoundings；
（Processing 2）20% thiophanate-methyl and careless extract 1 of lobbing：4 100 grams/acre of compoundings；
（Processing 3）20% thiophanate-methyl and careless extract 3 of lobbing：7 100 grams/acre of compoundings；
（Processing 4）20% thiophanate-methyl and careless extract 2 of lobbing：3 100 grams/acre of compoundings；
（Processing 5）20% thiophanate-methyl and careless extract 1 of lobbing：1 100 grams/acre of compounding；
（Processing 6）20% thiophanate-methyl and careless extract 3 of lobbing：2 100 grams/acre of compoundings；
（Processing 7）20% thiophanate-methyl and careless extract 7 of lobbing：3 100 grams/acre of compoundings；
（Processing 8）20% thiophanate-methyl and careless extract 4 of lobbing：3 100 grams/acre of compoundings；
（Processing 9）20% thiophanate-methyl and careless extract 9 of lobbing：1 100 grams/acre of compounding；
（Processing 10）20% 100 grams/acre of thiophanate-methyl（Positive medicament control）.
Each processing is repeated 4 times, and sets 24 each cells altogether, per 30 square metres of cell.
1.4 medicament application methods
45,000 grams/acre are watered, in rice cut the last week, is sprayed.
1.5 investigation and investigation method
35 days after medicine, select per cell at 5 points, every 200 fringes of investigation, rice green smut and rice are investigated by corresponding grade scale
The incidence of ear rot.
The grade scale of rice green smut is as shown in the table
The grade scale of rice ear rot is as shown in the table：
Calculation formula and statistical analysis：
Statistical analysis is carried out to test data using poor (DMRT) method of the new multipoles of Deng Kenshi and compared.
3.6 result of the test
Thiophanate-methyl and careless extract compounding of lobbing are to rice green smut and the preventing and treating test of pesticide effectiveness knot of rice ear rot
Fruit, as shown in table 1：
The thiophanate-methyl of table 1 and careless extract compounding of lobbing are to rice green smut and rice ear rot field efficacy
From the preventive effect to rice green smut, in the case of effective ingredient consumption identical, the preventive effect for handling 1-9 shows
Write higher than processing 10, illustrate thiophanate-methyl and careless extract compounding prevention effect of lobbing on the field efficacy of rice green smut
It is excellent, while show very strong synergistic effect.
From the preventive effect to rice ear rot, in the case of effective ingredient consumption identical, the preventive effect for handling 1-9 shows
Write higher than processing 10, illustrate thiophanate-methyl and careless extract compounding prevention effect of lobbing on the field efficacy of rice ear rot
It is excellent, while show very strong synergistic effect.
Claims (6)
1. a kind of bactericidal composition containing thiophanate-methyl and careless extract of lobbing, it is characterised in that contain active ingredient methyl sulphur
The weight ratio of bacterium spirit and careless extract of lobbing, the thiophanate-methyl and careless extract of lobbing is 1:10~10:1, described hangs
Ball grass extract is obtained by following steps：The careless crushed after being dried that will lob adds careless 6-10 times of coarse powder weight of lobbing into coarse powder
EtOH Sonicate extract 2-3 time, each 30-50 minutes, filter, discard filter residue, after merging extract solution, obtained extract solution exists
Flash concentration is carried out to the 1/10-1/14 of original volume using Reduced Pressure Concentration Device under the conditions of 60-70 DEG C, concentrate is carried out
It is spray-dried or is dried in vacuo into dry powder, obtains careless extract of lobbing.
A kind of 2. bactericidal composition containing thiophanate-methyl and careless extract of lobbing as claimed in claim 1, it is characterised in that
The weight ratio of the thiophanate-methyl and careless extract of lobbing is 1:9~9:1.
A kind of 3. bactericidal composition containing thiophanate-methyl and careless extract of lobbing as claimed in claim 1, it is characterised in that
The weight ratio of the thiophanate-methyl and careless extract of lobbing is 1:4~1:1.
A kind of 4. bactericidal composition containing thiophanate-methyl and careless extract of lobbing as claimed in claim 1, it is characterised in that
The weight ratio of the thiophanate-methyl and careless extract of lobbing is 1:1~9:1.
A kind of 5. bactericidal composition containing thiophanate-methyl and careless extract of lobbing as claimed in claim 1, it is characterised in that
The weight ratio of the thiophanate-methyl and careless extract of lobbing is 1:4~2:3.
A kind of 6. bactericidal composition containing thiophanate-methyl and careless extract of lobbing as claimed in claim 1, it is characterised in that
The weight ratio of the thiophanate-methyl and careless extract of lobbing is 3:2~4:1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510529656.7A CN105165912B (en) | 2015-08-26 | 2015-08-26 | A kind of bactericidal composition containing thiophanate-methyl and careless extract of lobbing |
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| CN105165912B true CN105165912B (en) | 2018-02-27 |
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Effective date of registration: 20191125 Address after: 215000 Building 1, No. 296, Longxi Road, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: SUZHOU SHIHAO BUILDING MATERIAL NEW TECHNOLOGY ENGINEERING Co.,Ltd. Address before: 313000, No. 25, peach blossom village, South Town, Huzhou Town, Nanxun District, Zhejiang Patentee before: HUZHOU XULONG BIOCHEMISTRY Co.,Ltd. |
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