CN104285993B - A kind of compound herbicide containing rimsulfuron, haloxyfop-r-methyl and metribuzin and application thereof - Google Patents
A kind of compound herbicide containing rimsulfuron, haloxyfop-r-methyl and metribuzin and application thereof Download PDFInfo
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- CN104285993B CN104285993B CN201410481976.5A CN201410481976A CN104285993B CN 104285993 B CN104285993 B CN 104285993B CN 201410481976 A CN201410481976 A CN 201410481976A CN 104285993 B CN104285993 B CN 104285993B
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- metribuzin
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Abstract
The invention discloses a kind of compound herbicide containing rimsulfuron, haloxyfop-r-methyl and metribuzin and application thereof.This herbicide is with rimsulfuron, haloxyfop-r-methyl and metribuzin as principle active component, and three's content in compound herbicide is 25～38%；The mass ratio of rimsulfuron, haloxyfop-r-methyl and metribuzin is 8～16:5～20:4～15, also includes wetting dispersing agent, emulsifying agent, stabilizer, the agent of outstanding stream and Methyl oleate adjuvant, dispersible oil-suspending agent to make in compound herbicide.The compound herbicide of the present invention application in potato fields postemergence weed control, the particularly application in preventing and kill off the various grassy weed of potato fields and broad leaved weed have remarkable result.Herbicide of the present invention relative to binary compound formulation or other ternary complex preparations, delays Weed Resistance, widens herbicidal spectrum on the premise of improve drug effect, and standing grain is wealthy double to be removed, and the lasting period is long, and Rhizoma Solani tuber osi and succession crop are all had reliable safety.
Description
Technical field
The present invention relates to a kind of compound herbicide and application thereof, particularly relate to a kind of phonetic sulphur Han sulfone
Grand, haloxyfop-r-methyl and the compound herbicide of metribuzin and application thereof.
Background technology
Rimsulfuron (Rimsulfuron), molecular formula C14H17N5O7S2, chemical name:
N-(((4,6-dimethoxy-2-pyrimidine radicals) amino) carbonyl)-3-(ethylsulfonyl)-2-pyridine sulfonyl sulfonyl
Amine
Structural formula:
For preventing and kill off annual in milpa or perennial grass family and broad leaved weed, as creeping thistle,
Ferrum shepherd's purse, Rhizoma Cyperi, curled dock, johnson grass, wild oat, Digitaria ischaemum (Schreib.) Schreib. Ex Mubl., barnyard grass,
Itanlian rye, Herba Abutili, Amaranthus retroflexus, Herba Galii Teneri, Flos Papaveris rhoeadis, Herba stellariae mediae.To annual miscellaneous
Grass bud after early application it is further preferred that.
Haloxyfop-r-methyl (haloxyfop-P-methyl), molecular formula
C16H13ClF3NO4, chemical name: 2-[4-(3-chloro-5-trifluoromethyl-2-pyridyloxy)
Phenoxy group] propanoic acid；2-[4-(5-trifluoromethyl-3-chloro-pyridine-2-epoxide) phenoxy group] propanoic acid first
Ester
Structural formula:
Quickly can be absorbed by the blade of grassy weed after haloxyfop-r-methyl dispenser, and pass
It is directed at whole plant, suppression plant separate living tissue growth, thus kills weeds.Lasting period is long,
To after emerging to tiller, heading the initial stage annual and perennial grassy weed be respectively provided with very
Good preventive effect.To various broad leaf crop high safeties under normal service condition.Low temperature,
Remain to show the herbicidal effect of excellence under drought condition.
Metribuzin (metribuzin), molecular formula C8H14N4OS, chemical name: 4-ammonia
Base-6-(1,1-dimethyl ethyl)-3-methyl mercapto-1,2,4-triazine-5-tetrahydrochysene ketone
Structural formula:
Feature is for interior suction selective herbicide, mainly also can be inhaled by root absorption, stem, leaf
Receive.Annual broadleaf weed and part grassy weed there is good preventive effect, to for many years
Raw weeds are invalid.Drug effect is how many by soil types, the content of organic matter, humidity, temperature are affected
Relatively big, use condition to require relatively tight, improper use, or invalid, or produce poisoning.
Potato fields herbicide is limited by crop safety at present, and weed control spectrum is the most limited, individually
Use a kind of herbicide can not control the generation of potato fields weeds completely effectively.Cause
This, compound herbicide becomes research heat topic at present.
Summary of the invention
The first object of the present invention be to provide a kind of containing rimsulfuron, haloxyfop-r-methyl and
The compound herbicide of metribuzin.
For realizing the first purpose, the present invention adopts the following technical scheme that
A kind of compound herbicide containing rimsulfuron, haloxyfop-r-methyl and metribuzin, institute
The herbicide stated with rimsulfuron, haloxyfop-r-methyl and metribuzin as principle active component,
Three's content in herbicide is 25～38wt%；Rimsulfuron, haloxyfop-r-methyl and
The mass ratio of metribuzin is 8～16:5～20:4～15.
In preferably described herbicide, rimsulfuron, haloxyfop-r-methyl and metribuzin are being removed
Content in grass agent is 30～35%；Rimsulfuron, haloxyfop-r-methyl and metribuzin
Mass ratio is 10～16:8～15:7～10.
Compound herbicide of the present invention, for dispersibling oil-suspending agent, also includes wetting and dispersing
Agent, emulsifying agent, stabilizer and the agent of outstanding stream.
Wetting dispersing agent of the present invention is selected from phenethyl phenol polyoxyethylene ether, triphenylethylene
Phenol polyoxyethylene ether, sodium lignin sulfonate, described wetting agent content in herbicide is
5～10wt%.
Emulsifying agent of the present invention selected from NPE, sodium alkyl benzene sulfonate, ten
Dialkyl group polyoxyethylene ether；Described emulsifying agent content in herbicide is 5～10wt%.
Stabilizer of the present invention is selected from organic ammonium salt, polyvinyl alcohol, sodium silicate；Described surely
Determining agent mass ratio in herbicide is 2～4wt%.
Outstanding stream agent of the present invention is organobentonite；Described outstanding stream agent containing in herbicide
Amount is 1～3%.
The formula dispersibling oil-suspending agent of the present invention is specific as follows: rimsulfuron
8～16wt%, haloxyfop-r-methyl 5～20wt%, metribuzin 4～15wt%, wetting and dispersing
Agent 5～10wt%, emulsifying agent 5～10wt%, stabilizer 2～4wt%, the agent 1～3wt% of outstanding stream,
Surplus is complemented to 100wt% by methyl oleate.
The formula dispersibling oil-suspending agent described in preferably is specific as follows: rimsulfuron
10～16wt%, haloxyfop-r-methyl 10～16wt%, metribuzin 8～15wt%, triphen second
Alkene phenol polyoxyethylene ether 7～10wt%, sodium alkyl benzene sulfonate 5～10wt%, sodium silicate 2～
4wt%, organobentonite 1～3wt%, surplus is complemented to 100wt% by methyl oleate.
As a kind of preferred forms of the present invention, more preferably described compound herbicide is joined
Side is as follows: rimsulfuron 10wt%, haloxyfop-r-methyl 20wt%, metribuzin 8wt%,
Tristyryl phenol polyoxyethylene ether 8wt%, sodium alkyl benzene sulfonate 5wt%, sodium silicate 2wt%,
Organobentonite 1wt%, adds methyl oleate to 100wt%.
The above-mentioned oil-suspending agent that dispersibles can use various preparation methoies disclosed in prior art to prepare
Obtain, the selection of concrete grammar and confirm as those skilled in the art and grasped.
The preparation method that the present invention is the most above-mentioned dispersibles oil-suspending agent is: said components mixed
Gained mixture carries out sand milling, remixes that i.e. to obtain mean diameter be the phonetic sulphur of the sulfone about 4 μm
Grand haloxyfop-r-methyl metribuzin dispersibles oil-suspending agent product.
The second object of the present invention is to provide above-mentioned containing clethodim, benazolin and isopropyl methoxalamine
Compound herbicide described in compound herbicide is various grass family and broad-leaved in preventing and kill off potato fields
Weeds are applied.
Owing to the scientific formulation of compound herbicide is reasonable, in actual application, to Ma Ling
The various grass family of potato Tanaka and broad leaved weed have beyond thought preventive effect, and to Ma Ling
The growth of potato itself is without any harm.
Compound herbicide technique effect of the present invention: through toxicity determination test, collaborative increasing
Effect is notable, and Herba Commelinae has been prevented and kill off significant increase.Through the test of pesticide effectiveness, the present invention is to place
The Rhizoma Solani tuber osi managed all grows fine, and has no any medicine speckle or seedling death phenomenon, and high concentration is right
Seedling death phenomenon to a certain extent is then there is according to product.Herbicidal effect comparative test result shows, with
The ternary built herbicide sold on market is compared, and compound herbicide of the present invention is at herbicidal spectrum, anti-
Control and in effect, all show excellence, be worthy to be popularized.More than test all with most preferred embodiment effect for
Good.And test through field planting, the use of herbicide of the present invention is not produced succession crop is long-living
Raw impact.
Detailed description of the invention
Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Embodiment 1
Rimsulfuron 10wt%, haloxyfop-r-methyl 20wt%, metribuzin 8wt%, triphen second
Alkene phenol polyoxyethylene ether 8wt%, sodium alkyl benzene sulfonate 5wt%, sodium silicate 2wt%, organic bentonite
Profit soil 1wt%, adds methyl oleate to 100wt%.
Preparation method: by above-mentioned each component mix homogeneously in sand mill medium sand pulverizing broken 4 hours
Form coarse dispersion liquid, then make its mean diameter i.e. can get institute less than 5 μm through soybean dietary fiber
The rimsulfuron haloxyfop-r-methyl metribuzin needed dispersibles oil-suspending agent product.
Embodiment 2～4
The composition suspending agent of following different content can be prepared by the similar method of embodiment 1
Test example 1
1) toxicity determination test
Utilize the preparation in embodiment 1-5 and comparison medicament, measure it common to potato fields
The co-toxicity coefficient of weeds Herba Commelinae.
Matched group 1: compared with Example 1, distinctive points is only that principle active component is: efficiently
Haloxyfop-P-methyl 20wt%+ metribuzin 18wt%；
Matched group 2: compared with Example 1, effective ingredient and consumption thereof are identical, and distinctive points only exists
Conventional method is used to be prepared as water dispersible granules in matched group 2；
Matched group 3: compared with Example 1, distinctive points is only that wetting dispersing agent used is 12
Sodium alkyl benzene sulfonate, emulsifying agent used is fatty alcohol-polyoxyethylene ether；
Matched group 4: commercially available ternary compound herbicide, principle active component is: metribuzin
3.5wt%+ haloxyfop-r-methyl 8wt%+ fluroxypyr 24.5wt%.
To sow after waiting seed to show money or valuables one carries unintentionally for planting experimentally son first 40 DEG C of water seed soaking accelerating germination.To locate in advance
The Herba Commelinae seed uniform broadcasting of reason, in soil surface, earthing 0.5cm, after planting moves into greenhouse
Cellar culture, uses infiltrating irrigation mode moisturizing bottom basin alms bowl, makes soil the most moistening, be placed in temperature
30 DEG C, light dark is cultivated than in the greenhouse of 14h/10h, and after planting 10d carries out thinning and determines strain, makes miscellaneous
Grass density is 20 strains/basin, treats that Herba Commelinae length, to 2-2.5 leaf, carries out spraying treatment.
Will with ASP-1098 type automatic sprayer (pressure: 0.4Mpa, speed: 50cm/s)
Medicinal liquid carries out spraying treatment by EXPERIMENTAL DESIGN from low dosage to high dose order, often processes 4 weights
Multiple.After medicine 2 minutes, material surface to be tried medicinal liquid natural air drying, move into greenhouse cellar culture, protect
Holding ground moistening in basin, routine observation respectively processes the preventive effect to weeds, weighs each after 30d
Weeds fresh weight after process.The method proposed by nineteen sixties such as Sun Yunpei, calculates its toxicity regression
Equation and co-toxicity coefficient.Co-toxicity coefficient is more than 100, shows that two kinds of active substance have potentiation and make
With, otherwise, then show that two kinds of active substance have antagonism.
Table 1 toxicity measurement result
The above results absolutely proves, rimsulfuron, haloxyfop-r-methyl and metribuzin three are multiple
Compound herbicide after joining, compared with matched group, has prevented and kill off significant increase to Herba Commelinae,
Wherein the synergistic function with embodiment 1 is the most notable.
2) field control effectiveness test
Reagent agent: 5 kinds of ternary built herbicides in embodiment.
Comparison medicament:
Matched group 1: compared with Example 1, distinctive points is only that principle active component is: efficiently
Haloxyfop-P-methyl 20wt%+ metribuzin 18wt%；
Matched group 2: compared with Example 1, active ingredient and amount ranges thereof are identical, distinctive points
It is only that dosage form uses routine techniques means to be prepared as water dispersible granules；
Matched group 3: compared with Example 1, distinctive points is only that wetting dispersing agent used is 12
Sodium alkyl benzene sulfonate, emulsifying agent used is fatty alcohol-polyoxyethylene ether；
Matched group 4: commercially available ternary compound herbicide, principle active component is: metribuzin
3.5wt%+ haloxyfop-r-methyl 8wt%+ fluroxypyr 24.5wt%.
For studying thing: Rhizoma Solani tuber osi, wheat seedling was 3～6 leaf phases, grew fine, robust plant,
Without other pest and disease damages.
Prevent and kill off object: potato fields advantage weeds, such as grass family such as dried tuber, Herba Setariae Viridis, Herba Digitariae
Weeds, the broad leaved weed such as Herba Commelinae, Amaranthus retroflexus.
Test method: according to the area of experimental plot, the good various medicaments of precise, it is watered dilute
After releasing, carry out even spraying with knapsack sprayer, the fan-shaped spray that sprinkler selection herbicide is special
Head.During spraying, it should be noted that uniformly sprayed application in experimental plot by medicinal liquid, accomplish not drain spray, many
Spray.
After test, after medicine, 20d, 40d observe weeds death condition, and relatively various medicaments respectively
Activity of weeding.Additionally, also to observe the condition of production of crop after medicine in 1～15d, to examine
Examine whether medicament has poisoning to crop.
Embodiments of the invention preparation Herbicidal Testing Trials effect see table 2 (20d after medicine) and table 3 (medicine
Rear 40d).
Pharmacodynamic results after table 2 dispenser 20 days
40 days pharmacodynamic results after table 3 dispenser
Consumption in table 2 and table 3 refers both to the consumption of effective ingredient in each preparation.From table 2 and table 3
In it can be seen that the present invention has significant preventive effect to grassy weed and broad leaved weed, increase
Substantially, the lasting period extends effect, wherein with the best results of embodiment 1.
Table 4 medicament is to crop safety survey result
From table 4, it can be seen that the Rhizoma Solani tuber osi in the five of the present invention embodiment process communities is the longest
Gesture is good, has no any medicine speckle or seedling death phenomenon, and the binary compound formulation of high concentration then exists
Seedling death phenomenon to a certain extent, illustrates that the compound herbicide of the present invention, can to Rhizoma Solani tuber osi safety
To promote the use of, wherein with the best results of embodiment 1.
3) herbicidal effect contrast test
Test method: in the Rhizoma Solani tuber osi 4-5 leaf phase, various grassy weeds and broad leaved weed generally occur
Time, select the plot that 3 pieces of close liquid manure is good as experimental field, with experimental group and comparison medicine
The uniform dispenser of agent, after 20 days, contrasts weeds strain preventive effect.
Subjects:
Experimental group 1: the product (principle active component: rimsulfuron prepared by embodiment 1
10wt%+ haloxyfop-r-methyl 20wt%+ metribuzin 8wt%)；
Experimental group 2: the product (principle active component: rimsulfuron prepared by embodiment 4
16wt%+ haloxyfop-r-methyl 5wt%+ metribuzin 4wt%)；
Matched group 1: compared with Example 1, distinctive points is only that principle active component is: efficiently
Haloxyfop-P-methyl 15wt%+ metribuzin 23wt%；
Matched group 2: compared with Example 1, distinctive points is only that principle active component is: sulfone is phonetic
Sulphur grand 10wt%+ metribuzin 28wt%；
Matched group 3: compared with Example 1, distinctive points is only that principle active component is: sulfone is phonetic
Sulphur grand 20wt%+ haloxyfop-r-methyl 18wt%；
Matched group 4: commercially available ternary compound herbicide, principle active component is: metribuzin
3.5wt%+ haloxyfop-r-methyl 8wt%+ fluroxypyr 24.5wt%.
Result of the test: be shown in Table 5
Within after table 5 medicine 20 days, respectively process and prevent and kill off potato fields weeds effect
As can be seen from the above table, the experimental group 1 of the present invention and experimental group 2 with compare medicament and market
The ternary built herbicide of upper sale is compared, and all shows excellence in herbicidal spectrum, prevention effect,
It is worthy to be popularized, wherein with the best results of embodiment 1.
4) using of herbicide affects contrast test to what succession crop grew
Inventor further with regard to herbicide use on succession crop growth impact expand right
Than test, subjects is with " herbicidal effect contrast test ", and concrete test method is: in test
On the basis of 3, after potato harvest, maize planting on the block of original place, selected corn variety is
Middle list 909, records the plot corn growth situation under each chemicals treatment.Result of the test is shown in Table 6.
Table 6 different agents process after impact on succession crop Semen Maydis
Result shows, the herbicide of experimental group 1 and experimental group 2 is to the growth of succession crop Semen Maydis not
There is any harmful effect, and matched group 1-4 all shows succession crop corn growth different
Degree inhibitory action, wherein the impact with matched group 4 is the most serious.Trace it to its cause, may
It is because three when compounding, owing to the character between component is different, sends out to each other after being used in mixed way
Give birth to some special interaction and exacerbate the herbicide impact on succession crop.Visible commercially available
The answering of metribuzin 3.5wt%+ haloxyfop-r-methyl 8wt%+ fluroxypyr 24.5wt%
Although joining herbicide can produce certain cooperative effect on herbicidal effect, but the most significantly
Increase the weight of each component impact on succession crop in complex weedicide, be unfavorable for actual application.
Although, used general explanation, detailed description of the invention and test, to this
Bright make detailed description, but on the basis of the present invention, it can have been made some modifications or improvements,
This will be apparent to those skilled in the art.Therefore, without departing from present invention spirit
On the basis of these modifications or improvements, belong to the scope of protection of present invention.
Claims (7)
1. containing rimsulfuron, haloxyfop-r-methyl and a compound herbicide for metribuzin,
It is characterized in that, described compound herbicide is for dispersibling oil-suspending agent, and the described oil that dispersibles hangs
Floating agent has a following formula: rimsulfuron 8～16wt%, haloxyfop-r-methyl 5～20wt%,
Metribuzin 4～15wt%, wetting dispersing agent 5～10wt%, emulsifying agent 5～10wt%, stabilizer
2～4wt%, the agent 1～3wt% of outstanding stream, surplus is complemented to 100wt% by methyl oleate；Described
The agent of outstanding stream is organobentonite.
Compound herbicide the most according to claim 1, it is characterised in that described moistening
Dispersant is selected from phenethyl phenol polyoxyethylene ether, tristyryl phenol polyoxyethylene ether, wooden
Element sodium sulfonate.
Compound herbicide the most according to claim 1 and 2, it is characterised in that described
Emulsifying agent is selected from NPE, sodium alkyl benzene sulfonate, alkylpolyoxyethylene.
Compound herbicide the most according to claim 3, it is characterised in that described stable
Agent is selected from organic ammonium salt, polyvinyl alcohol, sodium silicate.
5. according to the compound herbicide described in claim 1 or 2 or 4, it is characterised in that described
The oil-suspending agent that dispersibles there is following formula: rimsulfuron 10～16wt%, efficient fluorine pyrrole first
Standing grain spirit 8～15wt%, metribuzin 7～10wt%, tristyryl phenol polyoxyethylene ether 5～10wt%,
Sodium alkyl benzene sulfonate 5～10wt%, sodium silicate 2～4wt%, organobentonite 1～3wt%, add
Methyl oleate is to 100wt%.
6. the compound herbicide described in any one of claim 1-5 is in rice terrace postemergence weed control
Application.
Application the most according to claim 6, it is characterised in that: described application is for preventing and kill off water
Various grass family and broad leaved weed in rice field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410481976.5A CN104285993B (en) | 2014-09-19 | 2014-09-19 | A kind of compound herbicide containing rimsulfuron, haloxyfop-r-methyl and metribuzin and application thereof |
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| CN201410481976.5A CN104285993B (en) | 2014-09-19 | 2014-09-19 | A kind of compound herbicide containing rimsulfuron, haloxyfop-r-methyl and metribuzin and application thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105851035B (en) * | 2016-04-30 | 2018-11-16 | 广东中迅农科股份有限公司 | It is a kind of containing rimsulfuron and metribuzin Yi Ji the Herbicidal combinations of Evil oxalic acid |
| CN106172460B (en) * | 2016-07-13 | 2018-12-21 | 四川利尔作物科学有限公司 | Herbicidal combinations and its application |
| CN106818829A (en) * | 2016-12-29 | 2017-06-13 | 河南中天恒信生物化学科技有限公司 | Containing the potato fields compound herbicide of rimsulfuron, Quizalotop-ethyl and metribuzin and its application |
| CN111034735A (en) * | 2019-12-26 | 2020-04-21 | 中国农业科学院棉花研究所 | Sweet potato field weeding composition and safe and efficient weeding method thereof |
| CN114586797B (en) * | 2020-12-03 | 2023-09-01 | 青岛清原作物科学有限公司 | Ternary weeding composition containing bentazone and rimsulfuron and application thereof |
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| CN102293212A (en) * | 2011-06-29 | 2011-12-28 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing rimsulfuron and triazine |
| CN102669140A (en) * | 2012-03-02 | 2012-09-19 | 西南大学 | Rimsulfuron.haloxyfop-P-methyl water dispersible granule and preparation method thereof |
| CN103931625A (en) * | 2014-03-16 | 2014-07-23 | 广东中迅农科股份有限公司 | Herbicidal composition containing metribuzin and haloxyfop-R-methyl |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293212A (en) * | 2011-06-29 | 2011-12-28 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing rimsulfuron and triazine |
| CN102669140A (en) * | 2012-03-02 | 2012-09-19 | 西南大学 | Rimsulfuron.haloxyfop-P-methyl water dispersible granule and preparation method thereof |
| CN103931625A (en) * | 2014-03-16 | 2014-07-23 | 广东中迅农科股份有限公司 | Herbicidal composition containing metribuzin and haloxyfop-R-methyl |
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