CN101390516B - Ternary compound herbicides on paddy field weed and use thereof - Google Patents
Ternary compound herbicides on paddy field weed and use thereof Download PDFInfo
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- CN101390516B CN101390516B CN2008102260559A CN200810226055A CN101390516B CN 101390516 B CN101390516 B CN 101390516B CN 2008102260559 A CN2008102260559 A CN 2008102260559A CN 200810226055 A CN200810226055 A CN 200810226055A CN 101390516 B CN101390516 B CN 101390516B
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Abstract
The invention provides a paddy field ternary complex herbicide compound, which has the following main active ingredients by weight percentage: 1.4-58.33 of quinclorac, 0.04-9.6 of bensulfuron-methyl, and 0.02-5 of pyrazosulfuron-ethyl. The total active ingredients account for 1.56-66.4% of the preparation based on weight percentage. The active ingredients are taken as the main body and used with the ultra-fine powders commonly used in the wettable powder and composed of wetting agent, dispersing agent, additive, filler and the like through even mixing and processing so as to form the complex herbicide wettable powder. The herbicide compound is highly efficient, broad-spectrum, safe and widely used, which can control the vast majority of weed damage in paddy fields within one medication use and is an ideal chemical herbicide in paddy fields.
Description
Technical field
The present invention relates to a kind of weed killer herbicide, specifically a kind of herbicide for paddy field and application thereof.
Background technology
At present the planting patterns of paddy rice has live (divide again broadcast sowing, program request dual mode), transplanting (non-irrigated seedling and water-raised seedling), rice transplanting various ways such as (floppy disk seedling and non-irrigated seedling).Paddy field weed generation frequency height, harm is serious.Weeds go out grass time, harm asynchronism(-nization), the mode of harm, degree are also different.In earlier stage promptly begin harm as grassy weed in the growth of rice class, sedge family and other weeds then begin harm in the mid-term of rice class growth.Moleplant seed is breeding in a large number in dry wet alternating environment, and then easily in the darker old rice field harm of water, weeds such as composite family, Scrophulariaceae, polygonaceae, Plantaginaceae endanger at the ridge edge of a field again weeds such as pondweed and algae.
The paddy field weed kind mainly contains following type:
Xeromorph: grow in ridge, rand, mainly contain annual lady's-grass, yard grass etc., the weeds of perennial root, reed grass, cogongrass, denticulate ixeris herb etc.Remove the reed grass to rice hazard big outside, all the other harm are less, but they be some diseases, worm, the middle parasitism and the hibernacle that do harm to.
Hygromorphism: these class weeds can grow in arid soil, can adapt to humidity again and have in the soil of certain water layer, as barnyard grass grass, cyperus.
Type is given birth in the natural pond: this class weeds cauline leaf part in water, the part growth of surfacing, undergrowth during no water layer is as the stem or leaf of cattail, needle spikesedge herb etc.
Aquatic weed: in the cauline leaf sinking or floating water of these class weeds, meeting undergrowth or death during no water layer, as pondweed, eel grass (belt grass) etc., old rice field takes place heavier.
Float type weeds and algae belong to rudimentary plant and are born in the water, if just anhydrous when long can be dead, as duckweed, the tender various algaes of water etc.
The agricultural chemicals mix preparation that is used for the paddy field chemical weed control at present mainly contain that benzyl dichloride is phonetic, the dichloro pyrrole is phonetic, benzene thiophene benzyl is phonetic and benzene thiophene pyrrole phonetic etc.The dichloro pyrrole is phonetic to have the activity of weeding height, and herbicidal effect is good, water layer is required characteristics such as not tight, but improper use easily produces poisoning to paddy rice; The phonetic activity of weeding of benzyl dichloride is relatively low, and the herbicidal effect instability is subject to paddy field water conservation condition effect; In use there are significant limitation in mefenacet pyrazosulfuron, mefenacet bensulfuron-methyl to above the average age for marriage barnyard grass grass weak effect.
Therefore, further improve and improve the performance of herbicide for paddy field and herbicidal effect is a problem demanding prompt solution in producing.
Summary of the invention
The objective of the invention is to provides a kind of ternary compound herbicides on paddy field weed at above-mentioned deficiency.This weed killer herbicide can solve transplanted rice field, the disposable chemical weed control problem of rice direct seeding field.
The present invention filters out a kind of best weed killer herbicide of paddy field that is mixed and is made up by dichloro quinolinic acid, bensulfuron-methyl and three kinds of medicaments of pyrazosulfuron by weed killer herbicide list agent such as herbicide for paddy field dichloro quinolinic acid, bensulfuron-methyl, pyrazosulfuron, mefenacet, butachlor and the application technical research that is mixed each other.
The effective constituent that mainly contains of weed killer herbicide of the present invention is by weight: dichloro quinolinic acid 1.4-58.33: bensulfuron-methyl 0.04-9.6: pyrazosulfuron 0.02-5.Preferable range is: dichloro quinolinic acid 30-40: bensulfuron-methyl 2.5-7.5: pyrazosulfuron 0.5-1.5.More preferably value is: dichloro quinolinic acid 35: bensulfuron-methyl 5: pyrazosulfuron 1.
According to above-mentioned composition, weed killer herbicide of the present invention can be prepared into various suitable formulations, the content of above-mentioned active ingredient in preparation is 1.56-66.4%.
Preferred formulation of the present invention is a wetting powder, and it comprises the auxiliary material of above-mentioned active ingredient and following weight percent:
Neopelex: 0.5-15%
Methylcellulose: 0.5-15%
Kaolin: 1-20%
White carbon: 0.5-15%
Calcium carbonate: surplus
Above-mentioned raw materials is evenly mixed, be processed into superfine powder, promptly become ternary built weed killer herbicide wetting powder of the present invention.Its outward appearance is light grey fine powder, and density is 0.15-0.45 gram/cm
3, its physicochemical property and every index all meet the national standard of relevant pesticide wettable.
The present invention is the agricultural chemicals mix preparation of a kind of efficient, wide spectrum, safety, and it has concentrated the advantage of each single agent weed killer herbicide, has overcome the shortcoming of other complex weedicide.Can prevent and kill off grassy weed, sedge weed and broad leaved weeds such as barnyard grass grass in the paddy field, Fischer grass, flat stalk Fischer grass, needle spikesedge herb (fescue), the flat nutgrass flatsedge of red unicorn, difformed galingale herb (ball fringe nutgrass flatsedge), firefly Lin, cyperus iria, pondweed (waterborne floating), Monochoria vaginalis, wolf tail grass, wild arrowhead (donkey ear), rhizoma alismatis, Monochoria korsakowii (orchid dish), Chinese celery, mexicana, four Ye Ping effectively.Especially to barnyard grass grass, pondweed special efficacy.Can be widely used in the chemical weed control in transplanted rice field and live field.Use this agent can kill the weeds of being unearthed, can seal processing to the weeds of not being unearthed again, a drug, i.e. controlled paddy field overwhelming majority weeds harm.The present invention compares with existing like product and has the following advantages:
(1) scientific formulation has improved the safety to paddy rice.Can be used for transplanted rice field and rice direct seeding field weeding.Closed soil treatment and cauline leaf spraying are handled and all can be used.
(2) ternary built broad weed-killing spectrum, drug effect height (subordinate list 1).A drug, promptly most weeds harm of controlled paddy field have reduced spraying times, have reduced production cost.
(3) sealing is handled and cauline leaf processing double action, has widened the use age.Before transplanted rice field is transplanted, transplant after, rice direct seeding field after planting germinate preceding and emerge after all can use, and can both obtain desirable herbicidal effect.
(4) easy to use: pesticide-clay mixture (sand) method, malicious fertile method and spray-on process all can be used, and visual paddy growth and weeds in field situation are grasped flexibly in the practice.
Embodiment
Following examples further specify content of the present invention, but should not be construed as limitation of the present invention.Without departing from the spirit and substance of the case in the present invention, modification or replacement to the inventive method, step or condition are done all belong to scope of the present invention.
If do not specialize the conventional means that used technological means is well known to those skilled in the art among the embodiment.The percentage sign that relates among the application " % " if do not specify, is meant mass percent; But the percentage of solution except as otherwise herein provided, is meant and contains the some grams of solute among the solution 100ml; Percentage between the liquid means the ratio of capacity in the time of 20 ℃.
Embodiment 1 (prescription one):
41% wetting powder
Present embodiment is made up of following component in percentage by weight:
(1) dichloro quinolinic acid: 35%
(2) bensulfuron-methyl: 5%
(3) pyrazosulfuron: 1%
(4) neopelex 10%
(5) methylcellulose 6%
(6) kaolin 14%
(7) white carbon 5%
(8) calcium carbonate is mended to 100%.
Every mu of commodity preparation dosage 40 grams, active ingredient dosage dichloro quinolinic acid 14 grams, bensulfuron-methyl 2 grams, pyrazosulfuron 0.4 gram.
The concrete implementing method of experimental study: mu restrains with 50% dichloro quinolinic acid, 28 grams+10% bensulfuron-methyl, 20 grams+10% pyrazosulfuron 4.With above-mentioned three kinds of preparations, the even mixing for standby use of dosage in accordance with regulations.Result of the test sees attached list 1.
Embodiment 2 (prescription two):
34% wetting powder
Present embodiment is made up of following component in percentage by weight:
(1) dichloro quinolinic acid: 30%
(2) bensulfuron-methyl: 1%
(3) pyrazosulfuron: 3%
Every mu of preparation dosage 40 grams, active ingredient dosage dichloro quinolinic acid 12 grams, bensulfuron-methyl 0.4 gram, pyrazosulfuron 1.2 grams.
The concrete implementing method of experimental study: mu restrains with 50% dichloro quinolinic acid, 24 grams+10% bensulfuron-methyl, 4 grams+10% pyrazosulfuron 12.With above-mentioned three kinds of preparations, the even mixing for standby use of dosage in accordance with regulations.Result of the test sees attached list 1.
Embodiment 3 (prescription three):
46.25% wetting powder
Present embodiment is made up of following component in percentage by weight:
(1) dichloro quinolinic acid: 40%
(2) bensulfuron-methyl: 6%
(3) pyrazosulfuron: 0.25%
Every mu of preparation dosage 40 grams, active ingredient dosage dichloro quinolinic acid 16 grams, bensulfuron-methyl 2.4 grams, pyrazosulfuron 0.1 gram.
The concrete implementing method of experimental study: mu restrains with 50% dichloro quinolinic acid, 32 grams+10% bensulfuron-methyl, 24 grams+10% pyrazosulfuron 1.With above-mentioned three kinds of preparations, the even mixing for standby use of dosage in accordance with regulations.Result of the test sees attached list 1.
The herbicidal effect 1 of subordinate list 1 weed killer herbicide of the present invention
Annotate: above-mentioned code name 1-3 is respectively the prescription of weed killer herbicide among the embodiment 1-3, and CK is a blank.Paddy rice is to transplant malicious micromicrofarad dispenser on May 18 May 9; Numeral is the average weeds strain number that three times are repeated in 0.75 square metre of scope in the table; Preventive effect (%)=(CK number of weeds-medication number of weeds)/CK number of weeds * 100%.
Embodiment 4 (prescription four):
1.64% granule
Present embodiment is made up of following component in percentage by weight:
(1) dichloro quinolinic acid: 1.4%
(2) bensulfuron-methyl: 0.2%
(3) pyrazosulfuron: 0.04%
Every mu of preparation dosage 1000 grams, active ingredient dosage dichloro quinolinic acid 14 grams, bensulfuron-methyl 2 grams, pyrazosulfuron 0.4 gram.
The concrete implementing method of experimental study: mu restrains with 50% dichloro quinolinic acid, 28 grams+10% bensulfuron-methyl, 20 grams+10% pyrazosulfuron 4.With above-mentioned three kinds of preparations totally 52 grams evenly mix with sand particle 948 gram and make 1.64% granule 1000 and restrain standby.Result of the test sees attached list 2.
Embodiment 5 (prescription five):
1.56% granule
Present embodiment is made up of following component in percentage by weight:
(1) dichloro quinolinic acid: 1.4%
(2) bensulfuron-methyl: 0.04%
(3) pyrazosulfuron: 0.12%
Every mu of preparation dosage 1000 grams, active ingredient dosage dichloro quinolinic acid 14 grams, bensulfuron-methyl 0.4 gram, pyrazosulfuron 1.2 grams.
The concrete implementing method of experimental study: mu restrains with 50% dichloro quinolinic acid, 28 grams+10% bensulfuron-methyl, 4 grams+10% pyrazosulfuron 12.With above-mentioned three kinds of preparations totally 44 grams evenly mix with sand particle 956 gram and make 1.56% granule 1000 and restrain standby.Result of the test sees attached list 2.Embodiment 6 (prescription six):
66.4% wetting powder
Present embodiment is made up of following component in percentage by weight:
(1) dichloro quinolinic acid: 56%
(2) bensulfuron-methyl: 9.6%
(3) pyrazosulfuron: 0.8%
Every mu of preparation dosage 25 grams, active ingredient dosage dichloro quinolinic acid 14 grams, bensulfuron-methyl 2.4 grams, pyrazosulfuron 0.2 gram.
The concrete implementing method of experimental study: get 14.5833 parts of the former medicines of 96% dichloro quinolinic acid, 2.5 parts of 96% bensulfuron-methyls, 0.2083 part of 96% pyrazosulfuron.It is standby that above-mentioned three kinds of former medicines mixing are processed into 66.4% wetting powder according to conventional method.Result of the test sees attached list 2.
Embodiment 7 (prescription seven):
65% wetting powder
Present embodiment is made up of following component in percentage by weight:
(1) dichloro quinolinic acid: 58.33%
(2) bensulfuron-methyl: 1.67%
(3) pyrazosulfuron: 5%
Every mu of preparation dosage 24 grams, active ingredient dosage dichloro quinolinic acid 14 grams, bensulfuron-methyl 0.4 gram, pyrazosulfuron 1.2 grams.
The concrete implementing method of experimental study: get 14.5833 parts of the former medicines of 96% dichloro quinolinic acid, 0.417 part of 96% bensulfuron-methyl, 1.25 parts of 96% pyrazosulfurons.It is standby that above-mentioned three kinds of former medicines mixing are processed into 65% wetting powder according to conventional method.Result of the test sees attached list 2.
The herbicidal effect 2 of subordinate list 2 weed killer herbicides of the present invention
Annotate: above-mentioned code name 1 and 4-7 are respectively the prescription of weed killer herbicide among embodiment 1 and the embodiment 4-7, and CK is a blank.Test site: the red stone bridge picture of Yuyang District; Paddy rice is to transplant malicious micromicrofarad dispenser on May 17 May 10; Efficacy survey June 7 for the first time; Efficacy survey July 16 for the second time; Numeral is the average weeds strain number that three times are repeated in 0.75 square metre of scope in the table; Preventive effect (%)=(CK number of weeds-medication number of weeds)/CK number of weeds * 100%.
Occupation mode
(1) transplanted rice field
Use age: after preceding 2-3 days of rice transplanting or the rice transplanting 7-30 days (behind the slow seedling of paddy rice), but all dispensers before 1 heart stage of barnyard grass grass 2 leaves.
Using method: medication before the rice transplanting, by the mu dosage, spray-on process, pesticide-clay mixture (sand) method all can.Medication after the rice transplanting should be grasped behind the slow seedling of paddy rice medication when barnyard grass grass 2 leaves 1 heart is following.By the mu dosage, spray-on process, pesticide-clay mixture (sand) method or malicious fertile method all can.But it is best with the spray-on process herbicidal effect after the barnyard grass grass is unearthed.
Points for attention: the field should keep 5-7 days shoaling layers (being advisable not flood the paddy rice lobus cardiacus) during medication, the slow filling of thin water moisturizing during lack of water.During the spray-on process dispenser, drain water in field before the medication, poured water in 1-2 days behind the medicine and kept shoaling layer 5-7 days.
(2) rice direct seeding field
1. dried seed sowing: by the mu dosage, spray-on process, the dispenser of pesticide-clay mixture (sand) method all could to the rudiment of paddy rice seed in after planting 3 days.Should treat during the spray-on process dispenser that water in field falls to doing the back use naturally, the carefully slow filling of water moisturizing after the dispenser keeps field face moistening (water of filling in general about 3 days), treats the unearthed back recovery of paddy rice young shoot normal management; The dispenser of pesticide-clay mixture (sand) method, the furrow face should keep certain water layer, the slow filling of thin water moisturizing during lack of water.
2. wet seed sowing (the not vernalization of soaking seed): with broadcasting with usefulness, using method is sowed with dried seed.
3. sow the seed that vernalization shows money or valuables one carries unintentionally, medication immediately after planting should be at paddy rice 1 leaf after 1 heart stage, barnyard grass grass 2 leaves medication the best before 1 heart stage.Especially best with the spray-on process dispenser.Drain water in field before the dispenser, keep the field face moistening, press a mu dosage, convert 30 kilograms in water (two sprayers) spraying, poured water in 1-2 days behind the medicine, kept shoaling layer (being advisable) 5-7 days, the slow filling of thin water moisturizing during lack of water not flood the paddy rice lobus cardiacus.
The herbicidal effect comparative test of embodiment 8 weed killer herbicides of the present invention and other combinations of herbicides:
The prescription of this example employing embodiment 1 and the prescription of other two kinds of weed killer herbicides are made comparisons and are tested.The results are shown in subordinate list 3.Experiment code name, the name of an article and dosage in this example are respectively:
| Test code number | The name of an article | Active ingredient dosage (gram/mu) |
| A | The benzyl dichloride pyrrole | Dichloro quinolinic acid 14 gram+bensulfuron-methyls 2 gram+pyrazosulfurons 0.4 gram |
| B | The dichloro pyrrole is phonetic | Dichloro quinolinic acid 12.64 gram+pyrazosulfurons 1.344 grams |
| C | Benzyl dichloride is phonetic | Dichloro quinolinic acid 12.675 gram+bensulfuron-methyls 2.73 grams |
| CK | CK is a blank |
The herbicidal effect of subordinate list 3. weed killer herbicides of the present invention and other combinations of herbicides relatively
Annotate: transplanted rice field is to transplant May 10, malicious micromicrofarad dispenser on May 20,30 days investigation preventive effects behind the medicine.Rice direct seeding field is sowing on April 20, May 25, paddy rice 2.5 leaf phase spray-on process dispenser, 30 days investigation preventive effects behind the medicine.Its result is shown in subordinate list 3, and numeral is the average weeds strain number that three times are repeated in 0.75 square metre of scope in the table; Preventive effect (%)=(CK number of weeds-medication number of weeds)/CK number of weeds * 100%.As can be seen from the above table, effect of herbicides of the present invention is better than other weed killer herbicides of two types.
The supplementary notes of embodiment 8:
(1) test code number B, the name of an article " the dichloro pyrrole is phonetic " and test code number C, the name of an article " benzyl dichloride ".Be the inventor through the binary built optimum value of experiment and demonstration gained for many years.
(2) the phonetic activity of weeding height of dichloro pyrrole, not tight to the water layer requirement, improper use easily produces poisoning to paddy rice; The benzyl dichloride activity of weeding is relatively low, and herbicidal effect is subject to paddy field water conservation condition effect, should not be at sandy soil, leak the paddy fields territory serious and promote the use of.Ternary built weed killer herbicide of the present invention " the benzyl dichloride pyrrole is phonetic " has absorbed the advantage of pyrazosulfuron, bensulfuron-methyl, has overcome their separately and the composite drawback of dichloro quinolinic acid, has shown excellent adaptability and very outstanding herbicidal effect aborning.
Claims (1)
1. the application of ternary compound herbicides on paddy field weed on the control pondweed, this weed killer herbicide is 41% wetting powder, this pulvis is made up of following component in percentage by weight: dichloro quinolinic acid 35%, bensulfuron-methyl 5%, pyrazosulfuron 1%, neopelex 10%, methylcellulose 6%, kaolin 14%, white carbon 5%, calcium carbonate is mended to 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102260559A CN101390516B (en) | 2008-11-04 | 2008-11-04 | Ternary compound herbicides on paddy field weed and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102260559A CN101390516B (en) | 2008-11-04 | 2008-11-04 | Ternary compound herbicides on paddy field weed and use thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101390516A CN101390516A (en) | 2009-03-25 |
| CN101390516B true CN101390516B (en) | 2011-09-21 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103283757A (en) * | 2013-05-22 | 2013-09-11 | 吴江市德佐日用化学品有限公司 | Weeding composition containing bensulfuron methyl and quinclorac |
| CN103749503B (en) * | 2013-12-24 | 2016-01-27 | 江苏天容集团股份有限公司 | Expand the Herbicidal composition for paddy fields of weeding scope |
| CN104273153A (en) * | 2014-09-26 | 2015-01-14 | 青岛康和食品有限公司 | Paddy field molinate type herbicide composition |
| BR112017015519B1 (en) * | 2015-01-22 | 2021-09-14 | Hicap Formulations (Hong Kong) Ltd | HERBICIDAL COMPOSITION FOR RICE, SYNERGIC HERBICIDAL COMPOSITION, AND, WEED CONTROL METHOD IN RICE FIELDS |
| CN111066807A (en) * | 2019-12-11 | 2020-04-28 | 南京绿途生物科技有限公司 | Herbicide containing flazasulfuron, pyrazosulfuron-ethyl, quinclorac and plant extraction auxiliary agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104847A (en) * | 1993-11-17 | 1995-07-12 | 化学工业部沈阳化工研究院 | Disposable "Daofujing" herbicide for rice field |
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2008
- 2008-11-04 CN CN2008102260559A patent/CN101390516B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104847A (en) * | 1993-11-17 | 1995-07-12 | 化学工业部沈阳化工研究院 | Disposable "Daofujing" herbicide for rice field |
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Effective date of registration: 20220714 Address after: 719000 opposite Beiguan beiyuemiao primary school, Yuyang District, Yulin City, Shaanxi Province Patentee after: Shaanxi Fengji Technology Development Co.,Ltd. Address before: 719000 Yuyang District Agricultural Technology Center, 12 ancient West Road, Shaanxi, Yulin Patentee before: Ren Zhengjun |