CN1143453A - Disposable herbicide for preventing and removing weed in paddy field - Google Patents
Disposable herbicide for preventing and removing weed in paddy field Download PDFInfo
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- CN1143453A CN1143453A CN 96107049 CN96107049A CN1143453A CN 1143453 A CN1143453 A CN 1143453A CN 96107049 CN96107049 CN 96107049 CN 96107049 A CN96107049 A CN 96107049A CN 1143453 A CN1143453 A CN 1143453A
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Abstract
An one-pass phytocide for preventing weed in paddy field, including wide-leaf weed, nutgrass flatsedges and grass family contains dipyrimidine salicylate and bensulfuron methyl or pyrazosulfuron ethyl, and features broad spectrum, high safety, and multiple forms such as soluble powder, wettable powder, water-dispersing granules, and particles.
Description
The invention belongs to the herbicides for use in paddy field.
Along with the development of agricultural cience and farming techniques, one of strong well stimulation of the applying as the saving of labor, save time of chemical herbicide, cost-saving.Herbicide for paddy field is various in style at present, wherein representative have Bensulfuron-methyl (Compound I I), pyrazosulfuron (compound III) and the quinclorac of preventing and kill off grassy weed, a benthiocarb etc. of preventing and kill off broad leaved weed and sedge weed, but in the farmland, the generation overwhelming majority of weeds is many sections, multiple weeds symbiosis.Therefore, promoting way in recent years, reaching and both kill grassy weed, killing the purpose of broad leaved weed and sedge weed again with two or more mixture of herbicides.Aspect the built herbicide for rice field exploitation, that promotes in the market mainly contains 10% weed eradication king wetting powder (Bensulfuron-methyl+metsulfuron-methyl), see Chinese patent ZL88106540, the refreshing wetting powder kinds such as (Bensulfuron-methyl+metsulfuron-methyls+Acetochlor) of 20% weed eradication prestige wetting powder (Bensulfuron-methyl+Acetochlor) and 20% weed eradication is seen Chinese patent application 93100996.0.Though these kinds play the effect of removing of well holding concurrently to weeds in paddy field, but owing to the crop sensitivity, easily rice seedling is produced poisoning, therefore above-mentioned kind only limits to use at transplanting rice field, because these complex weedicide scopes of application are less, apply being subjected to certain restriction.
Over the past two years, raising along with rice cultivating technique, new agricultural technologies such as drought seedling, water direct seeding, rice transplanting are being promoted rapidly, but the rice seedling bed that matches, live field, seedling throwing field disposable herbicide kind are in great shortage, the objective of the invention is to develop a kind of transplanting rice field that both can be used for, can be used for rice seedling bed, live field and seedling throwing field weeding again, having again holds concurrently removes the Disposable weedicide for rice field that rice field broadleaved herb, sedge weed and grassy weed act on, security performance is good, activity of weeding is high, toxicity is low.
Composite or compound (I) is re-dubbed composition with compound (III) and realizes above-mentioned purpose by compound (I) and compound (II) in the present invention.
The structural formula of compound (I), compound (II) and compound (III) is as follows:
Compound (I): 2,6-pair-[(4,6-dimethoxy-2-pyrimidine radicals) oxygen]-Sodium Benzoate.
Compound (II): 2-[[[[[(4,6-dimethoxy-2-yl) amino] carbonyl] amino] sulfonyl] methyl] methyl benzoate.
Compound (III): 5-(4, the 6-dimethoxy is phonetic to be stung-2-base carbamyl amino-sulfonyl)-1-methylpyrazole-4-Ethyl formate.
The present invention finds on the basis in research, with the use that is mixed of compound (I) and compound (II) or compound (I) and compound (III), its drug effect far above both sums with have more significant synergistic effect.The present invention on above-mentioned research basis, according to the different soils type, different rice varieties, different planting through the screening of drug effect, phytotoxicity test, has been determined basic recipe, and according to material properties, has been determined the formulation processing technology.
Of the present inventionly can be made into soluble powder, wetting powder, water dispersible granules, the various formulations of granule with Herbicidal combinations and the hybrid process such as filler, auxiliary agent and wetting agent that compound (III) is re-dubbed by compound (I) and compound (II) or compound (I).See one-time weeding composition soluble powder, the wetting powder processing process schematic diagram of accompanying drawing 1 killing weeds in rice field, and one-time weeding composition granule, the water dispersant processing process schematic diagram of accompanying drawing 2 killing weeds in rice field.
One-time weeding composition of the present invention in use, be preferably with mu with compound (I) 0.2-10 gram and mu with compound (II) 0.1-10 gram be elementary cell composite or with mu with compound (I) 0.2-10 gram with mu restrain that to be that elementary cell is composite form with compound (III) 0.1-10.
Compound (I) in the one-time weeding composition of the present invention, compound (II), the former medicine purity of compound (III) should be greater than 90% (weight), and result of use is better.
Advantage of the present invention is tangible, these two disposable herbicide complex compositions, than in the past herbicide for paddy field have efficiently, the characteristic of wide spectrum, safety, low toxicity, reached the effect of one-time weeding in the paddy field, weeding rate reach about 95% and, these two new mixture of herbicides compositions, not only can be used for the weeding of transplanting rice field, and can be used for rice seedling bed, live field and seedling throwing field, applied widely, remedied the deficiency that current rice seedling bed, live field, seedling throwing field lack disposable herbicide.Adopt formula technique of the present invention and processing technology, energy consumption is low.In addition, processing technology of the present invention adopts physical method, and therefore, no coupling product and " three wastes " pollute, and environmental influence is less, helps keeping ecological balance.
Following the present invention is described in detail in conjunction with specific embodiments, so that advantage of the present invention is more obvious.
Embodiment (1) soluble powder
Each component is (weight):
100 parts of salicylic acid Sulfadiazine Compounds (I)
100 parts of Bensulfuron-methyls (II)
20 parts of methanonaphthalene sodium sulfonates
20 parts of epoxidized polyethers
760 parts in urea
Embodiment (2) wetting powder
Each component is (weight):
100 parts of salicylic acid Sulfadiazine Compounds (I)
80 parts of pyrazosulfurons (III)
50 parts of diffusant neopelexes
20 parts of wetting agent epoxidized polyethers
20 parts of p-tert-butylphenols
730 parts of precipitated calcium carbonates
Embodiment (3) granule
Each component is (weight):
The wetting powder 30% of embodiment (2)
Gypsum 60%
Sodium carbonate 10%
Embodiment (4) water dispersible granules
Each component is (weight)
30.0 parts of salicylic acid Sulfadiazine Compounds (I)
30.0 parts of Bensulfuron-methyls (II)
5.0 parts of methanonaphthalene sodium sulfonates
5.0 parts of epoxidized polyethers
20.0 parts in sodium sulphate
Other 10.0 parts
The herbicidal effect of embodiment (5) compound (I) (salicylic acid Sulfadiazine Compound) and compound (II) (Bensulfuron-methyl) Herbicidal combinations sees Table 1
Compound (I) (salicylic acid Sulfadiazine Compound) and compound (II) (Bensulfuron-methyl)
The herbicidal effect table 1 of Herbicidal combinations
| Handle | Amount of application gram active constituent/mu | Prevent and kill off or damage % | ||||
| The barnyard grass grass | Moleplant seed | Monochoria vaginalis | Difformed galingale herb | Paddy rice | ||
| The salicylic acid Sulfadiazine Compound | ???1.5 | ???100 | ????99 | ???75 | ?????80 | ??0 |
| Bensulfuron-methyl | ???1.5 | ????52 | ????25 | ??100 | ????100 | ??0 |
| Salicylic acid Sulfadiazine Compound+Bensulfuron-methyl | ???0.8 ???1.0 | ????98 | ????95 | ??100 | ????100 | ??0 |
| Salicylic acid Sulfadiazine Compound+Bensulfuron-methyl | ???1.0 ???1.0 | ???100 | ???100 | ??100 | ????100 | ??0 |
1. test in back 40 days is handled in medication, and 100 expressions are prevented and kill off fully or be dead, and 0 expression is not prevented and kill off or damaged.
2. administration time: June 25 rice direct seeding field, the field keeps the 3-5cm water layer.
The herbicidal effect of embodiment (6) compound (I) (salicylic acid Sulfadiazine Compound) and compound (III) (pyrazosulfuron) Herbicidal combinations sees Table 2
Compound (I) (salicylic acid Sulfadiazine Compound) and change house thing (III) (pyrazosulfuron)
The herbicidal effect table 2 of Herbicidal combinations
| Handle | Amount of application gram active constituent/mu | Prevent and kill off or damage % | ||||
| The barnyard grass grass | Moleplant seed | Short arrowhead | Difformed galingale herb | Paddy rice | ||
| The salicylic acid Sulfadiazine Compound | ????1.5 | ????100 | ????100 | ????72 | ????83 | ??0 |
| Pyrazosulfuron | ????1.2 | ????40 | ????33 | ????100 | ????100 | ??0 |
| Salicylic acid Sulfadiazine Compound+pyrazosulfuron | ????0.8 ????0.8 | ????95 | ????93 | ????100 | ????100 | ??0 |
| Salicylic acid Sulfadiazine Compound+pyrazosulfuron | ????1.0 ????0.8 | ????100 | ????100 | ????100 | ????100 | ??0 |
1. back 30 days investigation herbicidal effects are handled in medication.
2. administration time, rice seedling bed after planting 2 days kept the 2-3cm water layer 7 days.
Accompanying drawing:
Accompanying drawing 1: the disposable herbicide soluble powder of killing weeds in rice field, wetting powder processing process schematic diagram
The drawing explanation:
With compound (I) and compound (II) (or compound (III)) ratio mixing, coarse crushing on request, with filler, auxiliary agent, wetting agent premixed, after comminution by gas stream, secondary mixes again, analytical control, packing is finished product soluble powder of the present invention or wetting powder.
Accompanying drawing 2: the disposable herbicide granule of killing weeds in rice field, water dispersible granules processing process schematic diagram
The drawing explanation:
Compound (I) and compound (II) (or compound (III)) ratio are on request mixed, pulverize; with stabilizing agent (being auxiliary agent and wetting agent) and through the carrier (filler) after oven dry, screening, the preheating, join the granulation of cylinder comminutor again after analytical control enters the finished product storage tank, packing is finished particle agent of the present invention or water dispersible granules.
Claims (4)
1. the disposable herbicide of a killing weeds in rice field; it is characterized in that; by compound (I) 2; 6-two-[(4; 6-dimethoxy-2-pyrimidine radicals) oxygen]-Sodium Benzoate and compound (II) 2-[[[[[(4; 6-dimethoxypyridin-2-yl) amino] carbonyl] amino] sulfonyl] methyl] the methyl benzoate composition, structural formula is as follows:
Compound (I): 2,6-pair-[(4,6-dimethoxy-2-pyrimidine radicals) ammonia]-Sodium Benzoate
Compound (II): 2-[[[[[(4,6-dimethoxy-2-yl) amino] carbonyl] amino] sulfonyl] methyl] methyl benzoate
Wherein (I) and part by weight (II) are 1: 0.1-50.
2. the disposable herbicide of a killing weeds in rice field; it is characterized in that; by compound (I) 2; 6-two-[4; 6-dimethoxy-2-pyrimidine radicals) oxygen]-Sodium Benzoate and compound (III) 5-(4; 6-dimethoxypyridin-2-base-carbamyl amino-sulfonyl)-and 1-methylpyrazole-4-Ethyl formate composition, structural formula is as follows:
Compound (I): 2,6-pair-[(4,6-dimethoxy-2-pyrimidine radicals) oxygen]-Sodium Benzoate
Compound (III): 5-(4,6-dimethoxypyridin-2-base carbamyl amino-sulfonyl)-1-methylpyrazole-4-Ethyl formate
Wherein (I) and part by weight (III) are 1: 0.1-50.
3. the disposable herbicide of killing weeds in rice field according to claim 1 is characterized in that, compound (I) and compound (II) and filler, auxiliary agent, wetting agent hybrid process are become soluble powder, wetting powder, granule, water dispersible granules.
4. the disposable herbicide of killing weeds in rice field according to claim 2 is characterized in that, with compound (I) and compound (III) and filler, auxiliary agent, wetting agent hybrid process or soluble powder, wetting powder, granule, water dispersible granules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96107049 CN1143453A (en) | 1996-07-11 | 1996-07-11 | Disposable herbicide for preventing and removing weed in paddy field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96107049 CN1143453A (en) | 1996-07-11 | 1996-07-11 | Disposable herbicide for preventing and removing weed in paddy field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1143453A true CN1143453A (en) | 1997-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96107049 Pending CN1143453A (en) | 1996-07-11 | 1996-07-11 | Disposable herbicide for preventing and removing weed in paddy field |
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| Country | Link |
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| CN (1) | CN1143453A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102217629A (en) * | 2011-06-08 | 2011-10-19 | 陕西韦尔奇作物保护有限公司 | Synergistic herbicidal composition containing bispyribac-sodium and sulfonylurea |
| CN102461554A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Mixed weeding composite containing bispyribac and pyrazosulfuron |
| CN102461536A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Hybrid weeding composite containing Bispyribac-sodium and bensulfuron-methyl |
| CN102461532A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Mixed herbicide containing cinosulfuron, bensulfuron-methyl and bispyribac-sodium and application thereof |
| WO2022023911A1 (en) * | 2020-07-25 | 2022-02-03 | Rallis India Limited | Synergistic ternary herbicidal composition |
-
1996
- 1996-07-11 CN CN 96107049 patent/CN1143453A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102461554A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Mixed weeding composite containing bispyribac and pyrazosulfuron |
| CN102461536A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Hybrid weeding composite containing Bispyribac-sodium and bensulfuron-methyl |
| CN102461532A (en) * | 2010-11-19 | 2012-05-23 | 南京华洲药业有限公司 | Mixed herbicide containing cinosulfuron, bensulfuron-methyl and bispyribac-sodium and application thereof |
| CN102461532B (en) * | 2010-11-19 | 2014-02-12 | 南京华洲药业有限公司 | Mixed herbicide containing cinosulfuron, bensulfuron-methyl and bispyribac-sodium and application thereof |
| CN102217629A (en) * | 2011-06-08 | 2011-10-19 | 陕西韦尔奇作物保护有限公司 | Synergistic herbicidal composition containing bispyribac-sodium and sulfonylurea |
| CN102217629B (en) * | 2011-06-08 | 2014-08-13 | 陕西韦尔奇作物保护有限公司 | Synergistic herbicidal composition containing bispyribac-sodium and sulfonylurea |
| WO2022023911A1 (en) * | 2020-07-25 | 2022-02-03 | Rallis India Limited | Synergistic ternary herbicidal composition |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |