CN111264547A - Postemergence herbicide for rape field - Google Patents

Postemergence herbicide for rape field Download PDF

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Publication number
CN111264547A
CN111264547A CN202010107392.7A CN202010107392A CN111264547A CN 111264547 A CN111264547 A CN 111264547A CN 202010107392 A CN202010107392 A CN 202010107392A CN 111264547 A CN111264547 A CN 111264547A
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tralkoxydim
herbicide
rape
thiobencarb
benthiocarb
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贾增坡
黄亮
葛亮亮
王征宇
龚国斌
李玲
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Anhui Fengle Agrochemical Co Ltd
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Anhui Fengle Agrochemical Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N47/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/10Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof
    • A01N47/12Carbamic acid derivatives, i.e. containing the group —O—CO—N<; Thio analogues thereof containing a —O—CO—N< group, or a thio analogue thereof, neither directly attached to a ring nor the nitrogen atom being a member of a heterocyclic ring
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N35/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
    • A01N35/08Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen
    • A01N35/10Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a postemergence herbicide for a rape field, which comprises the effective components of tralkoxydim and benthiocarb, wherein the mass ratio of the tralkoxydim to the benthiocarb is 10-40: 10 to 40. The herbicide for preventing and killing weeds in the rape field in the whole growth period can prevent and kill weeds in the whole growth period by once application, is environment-friendly, has no residue, is highly safe for next-stubble crops, and can be used for preventing and killing weeds in the rape field.

Description

Postemergence herbicide for rape field
Technical Field
The invention belongs to the field of pesticides, and particularly relates to a postemergence herbicide for a rape field.
Background
Tralkoxydim with chemical name 2- [1- (ethoxyimino) propyl]-3-hydroxy-5- (2,4, 6-trimethylphenyl) cyclohex-2-enone of the formula C20H27NO3Molecular weight of 329.43, high selectivity, systemic action, and application in preventing and killing gramineous weeds in barley and wheat fields. Generally, after being applied to the leaf surface, the herbicide is quickly absorbed and transferred to the whole plant body, weeds lose green and die, and the herbicide is effective in preventing and killing wild oat, arthroncus, alopecurus, beckmark, bromus and the like from early growth stage to leaf division stage and jointing stage.
Thiobencarb, also known as oryzalin, chlorfenapyr, diethylaminothiocarbamic acid-S- (4-chlorobenzyl) ester, chlorfenapyr or N, N-diethylthiopenthiocarbamic acid p-chlorobenzyl ester, having the formula C12H16ClNOS, molecular weight 257.58, it features difficult to dissolve in water, easy to dissolve in organic solvent, it is a kind of systemic conduction selective herbicide, mainly absorb through the root of the weed and sprout, use as the soil treating agent, safe to the rice, have fine control effect to barnyard grass, mainly suitable for preventing and killing off barnyard grass, felt, heterotypic sedge, moleplant seed, crabgrass, cricket grass, green bristlegrass, broken rice sedge, madder, alopecurus, etc. in rice, wheat, soybean, peanut, corn, vegetable field and orchard, etc.
However, the two herbicides are large in dosage and high in cost when used as a single agent, are not friendly to the environment, have single control objects, and are not suitable for weeding after seedlings of rape fields.
Disclosure of Invention
In view of the above, the invention needs to provide a postemergence herbicide for rape fields, which is prepared by mixing tralkoxydim and thiobencarb according to a certain mass ratio to prepare a mixture, so that the control effects, fresh weight control effects and comprehensive fresh weight control effects of the rape fields on the resistant weeds of the knifing, the lolium multiflorum, the brome and the like are improved, the dosage can be reduced, the drug cost is reduced, the herbicide is environment-friendly and wide in weeding range, and the problems of the existing weeding problem for the rape fields and the poor effect of a single-dose herbicide are solved.
In order to achieve the purpose, the invention adopts the following technical scheme:
the postemergence herbicide for the rape field comprises the effective components of tralkoxydim and benthiocarb, wherein the mass ratio of the tralkoxydim to the benthiocarb is 10-40: 10 to 40.
Further, the mass ratio of the tralkoxydim to the thiodan is 20-40: 20 to 40.
Further, the mass ratio of the tralkoxydim to the thiodan is 25: 30.
further, the sum of the mass of the tralkoxydim and the mass of the benthiocarb accounts for 10-80% of the total mass of the herbicide.
Furthermore, the dosage form of the herbicide comprises wettable powder, water dispersible granules, emulsion in water, a suspending agent, a suspoemulsion, an aqueous agent or missible oil.
Preferably, the herbicide is in the form of a dispersible oil suspension.
Further, the dispersible oil suspending agent is prepared from the following components in percentage by mass: 10-40% of original tralkoxydim, 10-40% of thiobencarb, 8% of polyoxyalkylene, 9% of polyoxyethylene ether, 2% of dodecyl benzene sulfonate and enough soybean oil to 100%.
Compared with single dose of the tralkoxydim and the thiodan, the tralkoxydim and thiodan mixed dose has the advantages of reducing the dosage, reducing the residue, improving the control effect, the fresh weight control effect and the comprehensive fresh weight control effect on the jointed wheat and the multiflower ryegrass in the rape field, being safe to field crops and having obvious effect on resistant weeds in the rape field.
Detailed Description
In order that the invention may be more fully understood, reference will now be made to the specific embodiments illustrated. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1 preparation of dispersible oil suspension of post-emergence herbicide for rape field of the invention
40 percent of the tralkoxydim and the thiobencarb dispersible oil suspending agent, wherein 40 percent refers to the mass percentage of the two effective components of the tralkoxydim and the thiobencarb in the total weight of the herbicide. 20kg of tralkoxydim, 20kg of thiodan, 8kg of polyoxyalkylene, 9kg of castor oil polyoxyethylene ether and 2kg of dodecyl benzene sulfonate are taken, and the soybean oil is used for supplementing to 100 kg. The dispersible oil suspending agent is obtained by fully mixing, blending, ball milling, crushing, adjusting and packaging.
Example 2 preparation of Water dispersible granule of postemergence herbicide for rape field of the invention
50 percent of the tralkoxydim and the thiobencarb water dispersible granule, and 50 percent of the tralkoxydim and the thiobencarb water dispersible granule is the mass percent of the two effective components accounting for the total weight of the herbicide. 20kg of tralkoxydim, 30kg of thiobencarb, D-4256 kg, EFW2kg, 5kg of ammonium sulfate, 1kg of polyethylene glycol and kaolin are complemented to 100kg, and the dispersible granules are obtained by full mixing, airflow crushing, mixing, granulation, drying and screening.
Example 3 preparation of wettable powder of post-emergence herbicide for rape field of the invention
55 percent of the wettable powder of the tralkoxydim and the thiobencarb, wherein 55 percent of the wettable powder of the tralkoxydim and the thiocarb accounts for the total weight of the herbicide. 25kg of tralkoxydim, 30kg of thiodan, 4kg of dispersant NNO, 3kg of wetting agent K12, 4kg of white carbon black and light calcium carbonate are taken to make up to 100 kg. The wettable powder is obtained by fully mixing, airflow crushing and mixing.
EXAMPLE 4 preparation of a suspension of the herbicide of the invention
60 percent of the suspension agent of tralkoxydim and dicranostigma, and 60 percent of the suspension agent of tralkoxydim and dicranostigma means that the mass percent of the two effective components accounts for the total weight of the herbicide. 30kg of tralkoxydim, 30kg of thiobencarb, 1601# 15% of emulsifier, LS 5% of wetting agent, SOPA-2704 kg of dispersant, 3kg of bentonite, 0.1kg of xanthan gum, 0.4kg of defoamer, 5% of glycerol and deionized water are added to make up to 100%.
EXAMPLE 5 preparation of emulsifiable concentrates of the herbicides of the invention
70 percent of the emulsifiable concentrate of the tralkoxydim and the thiobencarb, wherein 70 percent refers to the mass percentage of the two effective components of the tralkoxydim and the thiocarb in the total weight of the herbicide. 30kg of tralkoxydim, 40kg of thiodan, 4kg of condensed milk No. 33, 6kg of dodecyl benzene sulfonate and the balance of xylene to 100 kg.
Example 6 indoor virulence assay
The purpose of the test is as follows: under the greenhouse condition, a pot experiment method is adopted to research the weeding effect of the two-element compound of the tralkoxydim and the benthiocarb, and the co-toxicity coefficient method of the suncloud peper is adopted to evaluate the contact action type of the two in different proportions, so that the experimental basis is provided for the experiment.
The test conditions are as follows: for testing weeds, wheat burclover, lolium multiflorum, alopecurus, wild oat, club grass, bluegrass, stiff grass, common fenugreek rhizome, poison wheat, bromus, candlelia, beckmark grass, ice grass and the like, (seeds are harvested in the field in the last year, and the germination rate is more than 85 percent).
The culture is carried out in a light culture room at the temperature of 10-25 ℃.
The application method comprises the following steps: and (4) treating stems and leaves of weeds in a seedling stage.
Reagent to be tested: 95% of tralkoxydim technical material (Jiangsu province agricultural hormone engineering technology research center, ltd); 95% of thiobencarb technical (research and development center of agro-chemical Limited liability company, Fengle, Anhui).
Weighing a certain amount of the raw medicine by a balance, and diluting the required concentration.
And (3) experimental design: combined action of tralkoxydim and thiobencarb
The single dose of the tralkoxydim, the single dose of the dicumofol and the 5 mixed doses of the tralkoxydim and the dicumofol are respectively set to 5 doses, blank controls are additionally set, each test treatment is repeated for 4 times, and the doses of treatment medicaments are detailed in table 1.
TABLE 1 test treatment and test levels (amount of active ingredient, g/l)
Figure BDA0002388852410000031
The application method comprises the following steps: the method is used for treating stems and leaves of wheat field seedlings, adopts an electric sprayer and a fan-shaped spray head, simulates field spraying, and has the water mixing amount of 30 kilograms per mu.
Time and frequency of application: the test was carried out by spraying the drug 1 time in 2018, 9 and 21 months.
After the drug is applied, the poisoning condition is recorded in detail, and the fresh weight is measured 20 days after the drug is applied and compared with the control treatment to calculate the fresh weight control effect.
TABLE 2 fresh weight control questionnaire (effective component amount, g/L)
Figure BDA0002388852410000041
Note: fresh weights are the mean of quadruplicate replicates in table 2.
Combined action assay method
The test result evaluates the combined action type after being mixed by a Sunwiping co-toxicity coefficient method, and calculates the actual toxicity index, the mixing agent theoretical toxicity index and the co-toxicity coefficient according to the SUN, Y-P (Sunwiping) method. And solving a regression equation by taking the concentration logarithm as X and the weed control probability value as Y.
Actual toxicity index (standard dose ED)50ED of mixed agent50×100,
The theoretical virulence index ═ (i) (virulence index of the test agent x the percentage of active ingredient in the mixture),
the observed virulence index (ATI) ═ standard medicament ED 50/test medicament ED50 x 100,
the co-toxicity coefficient is the actual toxicity index/theoretical toxicity index of the mixed preparation multiplied by 100,
theoretical virulence index (TTI) ═ a agent virulence index x percent of a in the mixture + B agent virulence index x percent of B in the mixture.
In the test, the thiobencarb is a standard medicament.
And (3) judging standard: the co-toxicity coefficient is less than 80, the antagonism is obtained, the additive effect is obtained between 80 and 120, and the synergism is obtained when the co-toxicity coefficient is more than 120.
TABLE 3 indoor virulence and combination effect of combination of two agents on Oncorhynchus myelis and Lolium multiflorum
Figure BDA0002388852410000042
As can be seen from Table 3, the co-toxicity coefficients of the treatments are (C)122.82, (D)163.14, (E)212.31 and (F)127.15 which are all greater than 120, and have synergistic effect, and (G)114.80 has additive effect, wherein the co-toxicity coefficient of (E) is the largest and is 212.31, and the remarkable synergistic effect is achieved.
The test conclusion shows that the mixing of the tralkoxydim and the thiobencarb is most suitable according to the mass ratio of 25:30, and the weeding composition has an obvious synergistic effect on annual monocotyledonous weeds.
Example 7 field efficacy test
The application site is as follows: the former crop is corn. The fertility of the test soil is uniform and consistent, and the terrain is flat. The soil clay has moderate fertility and moderate humidity. Sowing Ningza 1818, the monocotyledonous weeds in the rape field, such as the jointed wheat and the lolium multiflorum, are distributed evenly.
The application time is as follows: the application is carried out in the 3-4 leaf stage of the rape, and the specific time is 11 months and 13 afternoon in 2018.
The application conditions are as follows: the temperature is 10-20 ℃ on sunny days when the medicine is applied.
The dosage and the mode of administration are as follows: the application amount is 150ml/667m2The liquid medicine is prepared by a two-step dilution method. The pesticide instrument adopts an electric knapsack sprayer which is beneficial to agriculture, a fan-shaped spray head is arranged, the manual uniform spraying is carried out, and the water consumption is 30kg/667m2
Test groups: the test group comprises a dispersible oil suspending agent test group, a water dispersible granule test group and an emulsifiable oil test group; wherein the weight of the dispersible oil suspending agent in the test group is 150ml/667m2The dispersible oil suspending agent containing 40% of the tralkoxydim and the thiobencarb prepared in the embodiment 1 of the invention is sprayed, 80 g/mu of the tralkoxydim containing 40% of a water dispersible granule test group, and 200 ml/mu of the thiocarb containing 50% of a missible oil test group. Blank control group: spraying clear water according to the same dosage.
The test method comprises the following steps: each test group and blank control group are repeated for 4 times, and each test group and blank control group respectively occupy a test field cell area of 52m2And the cells are randomly arranged. Before drug application, randomly selecting 4 points before drug application in the cells of each test group and blank control group; application of 30d and 45d for investigating weed deathThe number, the plant control effect and the fresh weight control effect are calculated at 45d, and the number of the weeds in each test group and the number of the weeds in each blank control group in the plot (plants/m) are respectively recorded2) Calculating the weed control effect (%); after 45 days of pesticide application, the weeds are pulled out and the fresh weight (g/m) is weighed2) And calculating the fresh weight control effect (%).
Figure BDA0002388852410000051
Figure BDA0002388852410000061
The herbicidal effect of the individual test groups is shown in table 4.
TABLE 4 herbicidal effect of tralkoxydim and thiobencarb
Figure BDA0002388852410000062
As can be seen from table 4, after 30 days of application, the dispersible oil suspension containing 40% of tralkoxydim and thiobencarb prepared in example 1 of the present invention has control effects on wheat sects and lolium multiflorum of over 95%, control effects on wheat sects and lolium multiflorum of 40% of tralkoxydim are 54.3% and 53.1%, and control effects on wheat sects and lolium multiflorum of 50% of thiobencarb are 53.7% and 50.8%, respectively. Compared with each single agent, the herbicide composition not only improves the control effect on weeds, but also expands the weed control spectrum, and has very obvious difference (P is less than 0.01).
After 45 days of pesticide application, the dispersible oil suspension containing 40% of tralkoxydim and thiobencarb prepared in example 1 of the invention has the control effects on the wheat and ryegrass of over 95%, the control effects on the wheat and ryegrass of 40% of tralkoxydim are respectively 55.6% and 54.7%, and the control effects on the wheat and ryegrass of 50% of thiocarb are 54.9% and 53.8%, so that compared with the single agents, the dispersible oil suspension containing 40% of tralkoxydim and thiocarb not only improves the control effect on weeds, but also expands the weed control spectrum, and has very significant difference (P is less than 0.01).
After 45 days of pesticide application and after the weeds are pulled out, the fresh weight of the dispersible oil suspending agent containing 40 percent of tralkoxydim and thiobencarb is weighed, the fresh weight control effect of the dispersible oil suspending agent containing 40 percent of tralkoxydim on the jointed wheat and the lolium multiflorum, prepared in the embodiment 1 of the invention, is 100 percent, the fresh weight control effect of the dispersible oil suspending agent containing 40 percent of tralkoxydim on the jointed wheat and the lolium multiflorum is more than 50 percent, and the fresh weight control effect of the dispersible oil suspending agent containing 50 percent of thiobencarb on the jointed wheat and the lolium multiflorum is more than 50 percent.
The comprehensive test results show that compared with the tralkoxydim water dispersible granule and the thiodan missible oil, the tralkoxydim and thiodan dispersible oil suspension agent has improved control effects on field festival wheat and lolium multiflorum and fresh weight control effects, and is safe for field crops.
Example 8
The application site is as follows: two rape fields are paved in the west of Yong bridge area of the dormitory city of Anhui province, and the former crops are soybeans. The fertility of the test soil is uniform and consistent, and the terrain is flat. Soil clay, moderate fertility and moderate humidity. The Qin oil 558 is sowed, and annual monocotyledonous weeds in the rape field are mainly distributed uniformly, such as the jointed wheat, the lolium multiflorum, the alopecurus.
The application time is as follows: the application is carried out in the 3-4 leaf stage of the rape, and the specific time is 11 months and 16 afternoons in 2018.
The application conditions are as follows: the temperature is 9-20 ℃ on sunny days when the medicine is applied.
The dosage and the mode of administration are as follows: the application dosage is 150 g/mu, and the liquid medicine is prepared by a two-step dilution method. The pesticide instrument adopts an electric knapsack sprayer which is beneficial to agriculture, a fan-shaped spray head is arranged, the manual uniform spraying is carried out, and the water consumption is 30kg/667m2
Test groups: the test method comprises the following steps of (1) dividing the test group into a wettable powder test group, a water dispersible granule test group and an emulsifiable concentrate test group; wherein, the 55% suspension concentrate containing the tralkoxydim and the thiobencarb prepared in the embodiment 3 of the invention is sprayed in the wettable powder test group according to the dosage of 150 g/mu, the water dispersible granule test group contains 40% of the tralkoxydim and 80 g/mu, and the missible oil test group contains 50% of the thiobencarb EC200 ml/mu. Blank control group: spraying clear water according to the same dosage.
The test method comprises the following steps: each test group and blank control group were repeated 4 times, each test group and blankThe control group respectively occupies 45m of the area of the test field plot2And the cells are randomly arranged. Before drug application, randomly selecting 4 points before drug application in the cells of each test group and blank control group; applying the herbicide for 30d and 45d to investigate the withered and dead number of weeds, calculating the plant control effect and fresh weight control effect by 45d, and respectively recording the number of weeds (plants/m) in each test group and blank control group in each plot2) Calculating the weed control effect (%); after 45 days of pesticide application, the weeds are pulled out and the fresh weight (g/m) is weighed2) And calculating the fresh weight control effect (%).
Figure BDA0002388852410000071
Figure BDA0002388852410000081
The herbicidal effect of the individual test groups is shown in table 5.
TABLE 5 herbicidal effect of tralkoxydim and thiobencarb
Figure BDA0002388852410000082
From the test results in table 5, it is understood that the suspension containing 55% of tralkoxydim and thiodan prepared in example 3 of the present invention exhibited 95% or more control effect on both of the wheat and the ryegrass, the control effect on the wheat and the ryegrass was 64.7% and 60.0% respectively when the suspension contained 40% of tralkoxydim, and the control effect on the wheat and the ryegrass was 73.1% when the suspension contained 50% of thiodan. Compared with each single agent, the herbicide composition not only improves the control effect on weeds, but also expands the weed control spectrum, and has very obvious difference (P is less than 0.01).
After 45 days of pesticide application, the suspension containing 55% of the tralkoxydim and the thiodan prepared in example 3 of the invention has the control effects on the wheat sects and the ryegrass of more than 95%, the control effects on the wheat sects and the ryegrass of 40% of the tralkoxydim are respectively 66.2% and 62.0%, and the control effects on the wheat sects and the ryegrass of 50% of the thiodan are 59.4% and 53.7%. Compared with each single agent, the herbicide composition not only improves the control effect on weeds, but also expands the weed control spectrum, and has very obvious difference (P is less than 0.01).
After 45 days of pesticide application and after the weeds are pulled out, the fresh weight control effect of 55% of the tralkoxydim suspending agent on the segmental wheat and the lolium multiflorum prepared in the embodiment 3 is 100%, the fresh weight control effect of 40% of the tralkoxydim on the segmental wheat and the lolium multiflorum is more than 60%, and the fresh weight control effect of 50% of the thiodan on the segmental wheat and the lolium multiflorum is more than 55%.
The comprehensive test results show that compared with the tralkoxydim water dispersible granules and the thiobencarb emulsifiable concentrate, the tralkoxydim and thiobencarb suspending agent has improved control effect on field weeds and fresh weight control effect, and is safe for field crops.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (7)

1. The postemergence herbicide for the rape field is characterized in that the active ingredients of the postemergence herbicide for the rape field are tralkoxydim and benthiocarb, wherein the mass ratio of the tralkoxydim to the benthiocarb is 10-40: 10 to 40.
2. The postemergence herbicide for rape fields as claimed in claim 1, wherein the mass ratio of the tralkoxydim to the benthiocarb is 20-40: 20 to 40.
3. The postemergence herbicide for rape fields as claimed in claim 1, wherein the mass ratio of the tralkoxydim to the thiobencarb is 25: 30.
4. the postemergence herbicide for rape fields as claimed in any one of claims 1 to 3, wherein the sum of the mass of the tralkoxydim and the mass of the benthiocarb accounts for 10 to 80% of the total mass of the herbicide.
5. The postemergence herbicide for rape fields as claimed in any one of claims 1 to 3, wherein the formulation of the herbicide comprises wettable powder, water dispersible granule, aqueous emulsion, suspending agent, suspoemulsion, aqueous solution or emulsifiable concentrate.
6. The postemergence herbicide of claim 5 in the form of a dispersible oil suspension.
7. The postemergence herbicide for rape fields as claimed in claim 6, wherein the dispersible oil suspending agent is prepared from the following components in percentage by mass: 10-40% of original tralkoxydim, 10-40% of thiobencarb, 8% of polyoxyalkylene, 9% of polyoxyethylene ether, 2% of dodecyl benzene sulfonate and enough soybean oil to 100%.
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Citations (3)

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Publication number Priority date Publication date Assignee Title
US4760192A (en) * 1981-11-20 1988-07-26 Imperial Chemical Industries Plc Herbicidal cyclohexane-1,3-dione derivatives
CN1200649A (en) * 1995-09-20 1998-12-02 巴斯福股份公司 Synergistic herbicidal mixtures contg. cyclohexenone oxime ether
CN104872157A (en) * 2015-06-01 2015-09-02 连云港纽泰科化工有限公司 Benthiocarb herbicide and application thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4760192A (en) * 1981-11-20 1988-07-26 Imperial Chemical Industries Plc Herbicidal cyclohexane-1,3-dione derivatives
CN1200649A (en) * 1995-09-20 1998-12-02 巴斯福股份公司 Synergistic herbicidal mixtures contg. cyclohexenone oxime ether
CN104872157A (en) * 2015-06-01 2015-09-02 连云港纽泰科化工有限公司 Benthiocarb herbicide and application thereof

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Title
吴永生 等: "油菜田化学除草试验小结", 《江苏杂草科学》 *

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