CN100425141C - Application of chloramine phosphate compound - Google Patents
Application of chloramine phosphate compound Download PDFInfo
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- CN100425141C CN100425141C CNB200710051698XA CN200710051698A CN100425141C CN 100425141 C CN100425141 C CN 100425141C CN B200710051698X A CNB200710051698X A CN B200710051698XA CN 200710051698 A CN200710051698 A CN 200710051698A CN 100425141 C CN100425141 C CN 100425141C
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- phosphate compound
- chloramine
- application
- rice sheath
- chloramine phosphate
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Abstract
The present invention is the application of chloramine phosphate compound in the structure as shown as the effective component for farm germicide. It is found that chloramine phosphate compound usually used as high efficiency and broad spectrum pesticide has excellent effect of inhibiting rice sheath and culm blight germ. Therefore, the present invention adopts chloramine phosphate compound in preventing and controlling rice sheath and culm blight besides using as rice pesticide.
Description
Technical field
The present invention relates to a kind of chloramine phosphate compound in the application that prevents and treats the rice sheath blight disease field.
Background technology
Chinese patent: ZL97112828.6, Chinese patent application number is that 200510018678.3 documents disclose chloramine phosphate compound, its structural formula is:
Wherein R represents: hydroxyl (OH).Chemical name: (O, S-dimethyl-2,2,2-three chloro-1-hydroxyl-ethyls) thio-phosphamide.
R is that the compound of hydroxyl puts into production and sells in April, 2005 in Christian era, and commodity are called chloramines phosphorus, are used for the insecticide of broad spectrum activity, prevent the various insects of various crop such as paddy rice, cotton, vegetables, mulberry tree, fruit tree, and its molecular formula is C
4H
9PO
3Cl
3NS, molecular weight are 288.It is two pairs of chirality enantiomers at center that this compound has with P and C, has 4 optically-active stereoisomers.Studies have shown that, the physicochemical property of two enantiomers has bigger difference: enantiomer 1 is insoluble to organic solvents such as benzene, alcohol, ether substantially, solvability in dimethyl sulfoxide (DMSO) and water is less than 5%, and enantiomer 2 is water insoluble substantially, can be dissolved in organic solvents such as benzene, alcohol, ether.
Chloramine phosphate compound is to be raw material with acephatemet and trichloroacetaldehyde, be prepared from by addition reaction is synthetic, its outward appearance is white powdery solid, 99 ℃ of fusing points, according to a conventional method, can be prepared into composition or single agent of various solid pharmaceutical preparations such as soluble powder and oil-suspending agent or liquid preparation.
Summary of the invention
The object of the present invention is to provide a kind of new purposes of chloramine phosphate compound.
Technical scheme of the present invention is: a kind ofly prevent and treat the application in rice sheath blight disease field as active ingredient at agriculture chemicals fungicide with chloramine phosphate compound with following structural formula,
R is-OH in the formula.
The chloramine phosphate compound that the present invention relates to is to the inhibitory action of rice sheath blight disease.
In order to understand essence of the present invention better, will its new purposes in pesticide field be described with the indoor pharmacodynamic test and the result of the former medicine of chloramines phosphorus below.
Get mass concentration respectively and be 75% chloramines phosphorus, mass concentration and be 5% jinggangmeisu and prepare certain density mother liquor respectively, be diluted to 5 variable concentrations soups shown in the table 1 with sterile water.Drawing 1ml soup (is contrast with the clear water) with aseptic straw on aseptic workbench joins in the 7cm culture dish, the PDA medium that adds about 50-60 ℃ of 9ml fusing back again with asepsis injector, make soup and medium mixing, be cooled to room temperature, in culture dish, inoculate the Rhizoctonia solani Kuhn bacterium piece of diameter 5mm then, in 25 ℃ of constant incubators, cultivate 24-48h, treat that contrast is when covering with culture dish, measure colony diameter with the right-angled intersection method, repeat for 3 times, average, calculate the mycelia bacteriostasis rate of medicament.
Interpretation of result: mass concentration is that 75% chloramines phosphorus and mass concentration are the formulation concentrations interval of 5% jinggangmeisu at 833.3 μ g/ml-10000 μ g/ml, Rhizoctonia solani Kuhn all there is bacteriostatic activity, its bacteriostasis rate is respectively 12.4%-85.7% and 10.9%-73.3% (table 1), and fungistatic effect is suitable.
Table 1 chloramines phosphorus and jinggangmeisu are to the growth inhibition effect of rice sheath blight disease
From above result, can draw and the invention has the advantages that:
Jinggangmeisu is that China prevents and treats one of main govern-house-variety of rice sheath blight disease, has good control efficiency in the field.According to this experimental result, chloramines phosphorus is to use as efficient and low toxic pesticide originally, the present invention finds that it also has tangible fungistatic effect to rice sheath blight disease, show this medicament except can effectively preventing and kill off the rice grub, also can suppress and the double rice sheath blight of harnessing the river, demonstrate important economic value and promotional value in actual applications.
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to the following examples.
Embodiment 1:
With mass concentration be 90% the former medicine of chloramines phosphorus to be prepared into mass concentration according to a conventional method be 30% missible oil or oil-suspending agent, be sprayed on paddy field.14 processing are established in test altogether, and sub-district area 12m is arranged in 4 repetitions, minizone district's group at random
2, the control efficiency and the jinggangmeisu of rice sheath blight disease compared as table 2.
Embodiment 2:
To be 90% the former medicine of chloramines phosphorus with mass concentration with carriers such as ammonium chlorides be mixed with, and to become into mass concentration be 60% soluble powder, is sprayed on paddy field.14 processing are established in test altogether, and sub-district area 12m is arranged in 4 repetitions, minizone district's group at random
2, to the control efficiency such as the table 2 of rice sheath blight disease.
The various medicaments of table 2 are to the control efficiency of rice sheath blight disease
| Medicament | Concentration (μ g/ml) | Sick leaf rate (%) | Disease index | Relative control efficiency (%) |
| 30% chloramines phosphorus finish (embodiment 1) | 7000 | 21.4 | 14.75 | 66.83 |
| 60% chloramines phosphorus powder agent (embodiment 2) | 5000 | 25.8 | 18.29 | 78.61 |
| 5% jinggangmeisu aqua | 5000 | 31.5 | 24.13 | 71.78 |
Claims (1)
1. prevent and treat the application in rice sheath blight disease field as active ingredient at agriculture chemicals fungicide with chloramine phosphate compound for one kind with following structural formula,
R is-OH in the formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710051698XA CN100425141C (en) | 2007-03-20 | 2007-03-20 | Application of chloramine phosphate compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710051698XA CN100425141C (en) | 2007-03-20 | 2007-03-20 | Application of chloramine phosphate compound |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101019553A CN101019553A (en) | 2007-08-22 |
| CN100425141C true CN100425141C (en) | 2008-10-15 |
Family
ID=38707485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710051698XA Expired - Fee Related CN100425141C (en) | 2007-03-20 | 2007-03-20 | Application of chloramine phosphate compound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100425141C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100564388C (en) * | 2007-09-30 | 2009-12-02 | 浙江工业大学 | A kind of phosphamide organophosphorus compounds |
| CN106614722A (en) * | 2016-12-29 | 2017-05-10 | 成都格瑞赛斯科技有限公司 | Chloramine phosphorus-containing insecticidal and bactericidal composition for preventing and treating rice diseases and pests |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061511C (en) * | 1997-06-24 | 2001-02-07 | 李坚 | O,S-dimethyl (2,2,2, trichloro-1-hydroxy-ethyl) thiophosphoryl amide |
| CN1718582A (en) * | 2005-05-11 | 2006-01-11 | 武汉化工学院 | Preparation method of chloramine phos |
| WO2006122444A1 (en) * | 2005-05-17 | 2006-11-23 | Wuhan Institute Of Technology | Preparation method of chloramine phosphorus |
-
2007
- 2007-03-20 CN CNB200710051698XA patent/CN100425141C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061511C (en) * | 1997-06-24 | 2001-02-07 | 李坚 | O,S-dimethyl (2,2,2, trichloro-1-hydroxy-ethyl) thiophosphoryl amide |
| CN1718582A (en) * | 2005-05-11 | 2006-01-11 | 武汉化工学院 | Preparation method of chloramine phos |
| WO2006122444A1 (en) * | 2005-05-17 | 2006-11-23 | Wuhan Institute Of Technology | Preparation method of chloramine phosphorus |
Non-Patent Citations (2)
| Title |
|---|
| 新杀虫剂氯胺磷. 李坚等.世界农药，第27卷第2期. 2005 |
| 新杀虫剂氯胺磷. 李坚等.世界农药，第27卷第2期. 2005 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101019553A (en) | 2007-08-22 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081015 Termination date: 20110320 |