CN103271069A - Compound herbicide - Google Patents
Compound herbicide Download PDFInfo
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- CN103271069A CN103271069A CN2013102449754A CN201310244975A CN103271069A CN 103271069 A CN103271069 A CN 103271069A CN 2013102449754 A CN2013102449754 A CN 2013102449754A CN 201310244975 A CN201310244975 A CN 201310244975A CN 103271069 A CN103271069 A CN 103271069A
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- China
- Prior art keywords
- grand
- evil humulone
- ethoxy sulphur
- herbicide
- bing que
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- 230000002363 herbicidal effect Effects 0.000 title abstract description 15
- 150000001875 compounds Chemical class 0.000 title abstract 3
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 16
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to a compound herbicide. The effective constituents of the herbicide comprise ethoxysulfuron and oxadiargyl. The compound herbicide can be made into effervescent tablets, and is used for preventing heterosexual cyperus rotundus, monochoria vaginalis, marsilea quadrifolia and rotala indica in a paddy rice transplant field; the weeding effect is obvious; and the herbicide is safe for the plants.
Description
Technical field the invention belongs to chemical pesticide, is specifically related to the grand complex weedicide of Bing Que Evil humulone and ethoxy sulphur.
Background technology is according to FAO (Food and Agriculture Organization of the United Nation), about 50,000 kinds of whole world weeds sum, wherein there are 8000 kinds to be farmland weed, and harm about 250 kinds of staple food crop, according to statistics in 1972, the whole world reaches 20,400,000,000 dollars because crop smothering causes crop failure every year, this shows that the harm of crop smothering is on the rise, becomes the key factor that influences crop yield.Use chemical herbicide not only can save large quantities of labours, raise labour productivity, and make that weeds obtain removing between the seedling that common mechanical is difficult to remove, make mechanization further perfect, traditional tillage and cultivation method also is improved.Therefore, the research of chemical herbicide and application more and more are subject to people's attention, and according to relevant department of the United Nations statistics, the sales volume of chemical herbicide proportion in the pesticide producing amount increases year by year, uses the area of weed killer herbicide also in continuous expansion.From american agriculture production operation process: artificial weeding accounts for 50%, and weeding by machine accounts for 40%, and chemical weed control accounts for 55%, and visible chemical weed control is occupied an leading position in agricultural, and it is necessary researching and developing novel, efficient chemical herbicide.The use of agricultural chemicals plays an important role for the volume increase of world food and the improvement of people's living standard.Along with the development of agricultural cience and farming techniques, the use of chemical agent has become one of mode of increasing crop yield.
Bing Que Evil humulone (oxadiargyl) belongs to the high-efficiency broad spectrum herbicides for use in paddy, chemical name: 5-tert-butyl-3-(2,4-two chloro-5-(Propargyl oxygen bases) phenyl)-1,3, the 4-oxadiazole-2(3H)-ketone, remarkable to annual gramineae, sedge family, broad leaved weed and some perennial weed effect, malignant weed four leaf duckweeds there is good preventive effect.
Ethoxy sulphur grand (ethoxysulfuron) belongs to sulfonylurea herbicide; chemical name: 1-(4; 6-dimethoxypyridin-2-yl)-and 3-(2-phenoxy ethoxy sulfonyl) urea; have good selectivity and interior absorption; absorb by weeds root and leaf; and pass to complete stool, namely stop growing, dead then.The mechanism of action: ethoxy sulphur is grand to be that branched chain amino acid synthesizes (ALS or AHAS) inhibitor, biosynthesis by blocking-up primary amino acid valine and different leucin, thereby stop the growth of cell division and plant, be used for control paddy field nutgrass flatsedge and annual broadleaf weed.Can be used for transplant field, seedling throwing field, live field and rice seedling bed.
The current strong protection environment of appealing both at home and abroad; minimizing is to the pollution of environment; and the formulations of pesticide that usage amount is big on agricultural have missible oil and wetting powder; these formulation production environments are poor; labour intensity is big during use; and serious drift pollution problem is arranged, press for agricultural chemicals circle and plant protection circle and solve agricultural chemicals to the pollution problem of environment.Effervescent table as agricultural chemical is a kind of pesticides new formulation of uniqueness; the demand of environmental protection and agricultural chemicals practicality is based in its appearance; it is a kind of formulation that the drift of agricultural chemicals dust or droplet is dispersed of not having; in the paddy field, can directly use; effervesce disintegration rapidly behind the tablet chance water; evenly diffusion, the contact target crop, thus reach preventive effect.This formulation has effective, and is easy to use, saves labor advantages such as Environmental security.
Summary of the invention the objective of the invention is at the environmental safety problem, provides that a kind of herbicidal effect is good, broad weed-killing spectrum, dispenser is convenient, toxicity is low complex weedicide.
The technical scheme that realizes the object of the invention is:
A kind of complex weedicide, it is grand to contain Bing Que Evil humulone and ethoxy sulphur.
Above-mentioned complex weedicide contains Bing Que Evil humulone 1%～80%, ethoxy sulphur grand 0.5%～15%.
Above-mentioned complex weedicide effervescent tablet constituent and weight ratio thereof are: Bing Que Evil humulone 1%～80%, and ethoxy sulphur swells 0.5%～15%, disintegrant 10%～25%, binding agent 2%～10%, excipient 0.1%～0.5%, dispersant 2%～10%, each component sum 100%.
Disintegrant described in the above-mentioned complex weedicide is sodium bicarbonate, sodium carbonate, phosphoric acid, adipic acid, succinic acid, citric acid, tartaric acid.
Binding agent described in the above-mentioned complex weedicide is water, PVA, CMC, gum Arabic, lactose, gelatin.
Excipient described in the above-mentioned complex weedicide is dolomol, talcum powder, Stepanol MG.
Dispersant described in the above-mentioned complex weedicide is one or more in lignosulfonates, alkylbenzenesulfonate, alkylphenol polyoxyethylene, fatty alcohol-polyoxyethylene ether, Nonyl pheno base ether, alkyl ethyl sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products and the polycarboxylic acid.
The production technology of above-mentioned complex weedicide is: each component was pulverized 120 mesh sieves respectively, and be divided into basic component A and acidic components B by soda acid character, A is organized material and B group material add the water granulation, material after the granulation carries out drying in 54 ℃ of baking ovens, dried material, sieve with 10 orders and 30 purpose standard screens, get the material in the middle of two sieves, A is organized material and B group mixing of materials evenly add excipient and mix compressing tablet afterwards again.Require to detect according to product quality, require to make the effervescent tablet that meets standard-required according to product standard.
The advantage that the present invention has: two kinds of weed killer herbicides are carried out composite, not only herbicidal effect is good, and easy to use, and the peasant only needs to spread fertilizer over the fields in the field, the more important thing is that effervescent tablet does not have drop drift and dust pollution, and is environmentally safe.Therefore, the grand composite preparation effervescent tablet of Bing Que Evil humulone and ethoxy sulphur will be a kind of novelty, practical novel formulation, and this compositely also has a certain practicality simultaneously.
We adopt equivalent collimation method to estimate the interaction between grand of the third alkynes Evil humulone and ethoxy sulphur in embodiment.Utilize dosage logarithm-probability value method to calculate LD
90Value is drawn LD
90Equivalent line, and by LD
90Equivalent line is estimated two kinds of weed killer herbicide correlations, and obtains best ratio range.
Employed former medicine, auxiliary agent are other producers' purchases in embodiment following examples.
Embodiment 1-3:(1000 tablet recipe consumption)
The preparation method:
(1) granulation: the supplementary material that takes by weighing respectively in A, the B component was pulverized 120 mesh sieves, and fully mixing adds an amount of water respectively and makes softwood, granulated with 10 mesh sieves, respectively at 45-55 ℃ of oven dry, with the whole grain of 10-30 mesh sieve.
(2) compressing tablet: with above-mentioned two kinds of particles, add dolomol and fully mix, determine behind the mensuration drug content that sheet is heavy, compressing tablet.
Be grand composite synergistic effect and the best ratio range of whether producing of checking Bing Que Evil humulone and ethoxy sulphur, we adopt the gowing method to estimate the interaction between grand of Bing Que Evil humulone and ethoxy sulphur.After the former medicine dissolving that Bing Que Evil humulone and ethoxy sulphur is grand these composite and single dilution agents are become the soup of finite concentration gradient.Giving birth to and surveying object is difformed galingale herb, at difformed galingale herb 3 leaves dosage is set respectively and handles, and 4 repetitions are established in each processing, and other establishes blank.
E
0=X+Y(100-X)/100
Wherein, the single agent preventive effect (%) of X:A, the single agent preventive effect (%) of Y:B, E
0: the theoretical preventive effect that BA two single agent are mixed, the actual preventive effect that E:BA two single agent are mixed.
Work as E
0-E〉10% for synergistic effect; Work as E
0-E＜-10% is antagonism; Work as E
0-E value is addition between ± 10%.
The grand single agent of table 1 Bing Que Evil humulone and ethoxy sulphur and composite processing are to the fresh weight inhibiting rate of difformed galingale herb
By table 1 as seen, the grand composite control efficiency to difformed galingale herb of Bing Que Evil humulone and ethoxy sulphur shows as synergistic effect apparently higher than the control efficiency of single formulation.Synergistic effect after both are composite is comparatively remarkable.
By indoor biometrics, it is composite that we find that Bing Que Evil humulone and ethoxy sulphur swell in certain ratio range, and obvious synergistic effect is arranged, and can reduce the mu dosage of Bing Que Evil humulone greatly, saves cost, improves drug effect.We choose 3 kinds of proportionings (example 1-3) in the ratio range of synergistic effect is arranged, and carry out field trial, further verify the grand synergistic effect after composite of the third alkynes Evil humulone and ethoxy sulphur.
The test site is located at the Nanchang, and carry out in the 7d rice field after transplanting, and weeds in field has barnyard grass grass, difformed galingale herb during test, and leaf age is the two leaves leaf phases one heart stage to four, and broad leaved weed is Monochoria vaginalis etc., and leaf age is that two leaves are to tri-leaf period.The 30-40cm that pours water during test throws and executes effervescent tablet, and keeps shoaling layer 5-7d.Investigation method: leaf look, the growing way of 3d, 5d, 15d range estimation paddy rice behind the medicine, observe medicament to the safety of paddy rice; When results, survey and produce, and investigation plant height, spike length, unit are spike number and thousand kernel weight.The preventive effect investigation adopts the every residential quarter of chessboard method to get 5 points, area 0.2m
2, the strain preventive effect is calculated in 20d, 35d investigation after medication, adds the fresh weight preventive effect of surveying weeds when investigating for the last time.
The grand complex preparation of table 2 Bing Que Evil humulone and ethoxy sulphur is to the strain preventive effect (20d) of transplanting rice weed
Annotate: data are the mean value of 3 repetitions in the table, strain number: be the average strain number of unit are.
The grand complex preparation of table 3 Bing Que Evil humulone and ethoxy sulphur is to the strain preventive effect (35d) of transplanting rice weed
Annotate: data are the mean value of 3 repetitions in the table, strain number: be the average strain number of unit are.
From above-mentioned data as can be seen, the effect that the preventive effect when the grand complex preparation of Bing Que Evil humulone and ethoxy sulphur is prevented and treated weeds such as different in nature nutgrass flatsedge, four leaf duckweeds, Monochoria vaginalis, mexicana all is higher than single agent far away when using.Behind the medicine during 35d strain preventive effect to different in nature nutgrass flatsedge reach 100%, to the preventive effects of all the other weeds also more than 90%, and the strain preventive effect less than 60% of all the other two kinds of single-dose agent, the difference performance between each is handled is extremely remarkable.And from data as can be seen, 30d behind the medicine, the grand complex preparation of Bing Que Evil humulone ethoxy sulphur can keep good control efficiency, and the preventive effect of all the other single-dose agent has obviously begun to descend.Therefore, the grand complex preparation of Bing Que Evil humulone ethoxy sulphur has not only improved drug effect, has prolonged the lasting period, and quick-acting has had significant raising than single agent, use this complex preparation, can reduce the use cost of peasant household greatly, have the effect that a drug solves the multiple weeds in rice field.
3d, 5d, 15d observe the growing state of paddy rice behind the medicine, do not find leaf color and the abnormal plant of growing way when each investigation, illustrate that complex preparation is safe to paddy rice.Because the grand complex preparation of Bing Que Evil humulone and ethoxy sulphur can effectively be prevented and kill off various weeds, can not cause weeds contentions nutrition, cover phenomenon such as paddy rice photosynthesis, therefore the paddy rice seedling leaf color of respectively handling the residential quarter is emerald green, stem is sturdy, and plant height is handled apparently higher than the CK(clear water) residential quarter.
The grand complex preparation of table 4 Bing Que Evil humulone and ethoxy sulphur is to the influence of transplanting rice field tree characteristics, output
Can find that by above-mentioned data the grand complex preparation of the third alkynes Evil humulone ethoxy sulphur is because effectively anti-except various weeds, make every Biological indicators of paddy rice all will be higher than residential quarter and the clear water check plot of other chemicals treatment, each handles significant difference.Therefore, Bing Que Evil humulone ethoxy sulphur swells complex preparation not only to rice safety, and can significantly improve rice yield, and worth large tracts of land is promoted the use of.
Survey and the test of pesticide effectiveness by giving birth to, determine the grand composite significant synergistic effect that has of Bing Que Evil humulone and ethoxy sulphur, complex preparation not only provides a kind of safe, practical weed killer herbicide for the rice field, and reduce the cost of enterprise and peasant household greatly, reduce peasant's labour intensity simultaneously, reduce the pollution to environment.
Claims (3)
1. complex weedicide is characterized in that: described active component is by the third alkynes Evil humulone and ethoxy sulphur is grand forms, and the percentage by weight of the third alkynes Evil humulone is 1%～80%, ethoxy sulphur swell percentage by weight be 0.5%～15%.
2. complex weedicide according to claim 1 is characterized in that: make effervescent tablet by active ingredient and auxiliary material.
3. according to claim 1 or the described complex weedicide of claim 2, it is characterized in that: be used for control transplanted rice field difformed galingale herb, Monochoria vaginalis, four leaf duckweeds, mexicana.
Priority Applications (1)
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| CN2013102449754A CN103271069A (en) | 2013-06-19 | 2013-06-19 | Compound herbicide |
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| CN2013102449754A CN103271069A (en) | 2013-06-19 | 2013-06-19 | Compound herbicide |
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| CN103271069A true CN103271069A (en) | 2013-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186497A (en) * | 2014-04-30 | 2014-12-10 | 广东中迅农科股份有限公司 | Herbicide composition containing benzobicylon |
| CN104336026A (en) * | 2014-09-25 | 2015-02-11 | 句容市农业技术推广中心 | Method for preventing and controlling weeds in transplanted rice field |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876413A (en) * | 1971-06-02 | 1975-04-08 | Rhone Poulenc Sa | Herbicidal oxadiazolone derivatives |
| CN1318978A (en) * | 1998-07-16 | 2001-10-24 | 阿温提斯作物科学有限公司 | Herbicidal compositions containing substituted phenoxysulfonylureas |
| CN1365253A (en) * | 1999-04-13 | 2002-08-21 | 阿温提斯作物科学股份有限公司 | Herbicidal compositions for paddy fields |
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2013
- 2013-06-19 CN CN2013102449754A patent/CN103271069A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3876413A (en) * | 1971-06-02 | 1975-04-08 | Rhone Poulenc Sa | Herbicidal oxadiazolone derivatives |
| CN1318978A (en) * | 1998-07-16 | 2001-10-24 | 阿温提斯作物科学有限公司 | Herbicidal compositions containing substituted phenoxysulfonylureas |
| CN1365253A (en) * | 1999-04-13 | 2002-08-21 | 阿温提斯作物科学股份有限公司 | Herbicidal compositions for paddy fields |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104186497A (en) * | 2014-04-30 | 2014-12-10 | 广东中迅农科股份有限公司 | Herbicide composition containing benzobicylon |
| CN104336026A (en) * | 2014-09-25 | 2015-02-11 | 句容市农业技术推广中心 | Method for preventing and controlling weeds in transplanted rice field |
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Address after: 102488 No. 8, Liangxiang, Beijing, Fangshan District Applicant after: Beijing Yanhua Yongle Biotechnology Co., Ltd. Address before: 102488 No. 8, Liangxiang, Beijing, Fangshan District Applicant before: Beijing Yoloo Pesticide Co., Ltd. |
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Application publication date: 20130904 |