CN102726400A - Compound herbicide after wheat seedling stage - Google Patents
Compound herbicide after wheat seedling stage Download PDFInfo
- Publication number
- CN102726400A CN102726400A CN2012102476649A CN201210247664A CN102726400A CN 102726400 A CN102726400 A CN 102726400A CN 2012102476649 A CN2012102476649 A CN 2012102476649A CN 201210247664 A CN201210247664 A CN 201210247664A CN 102726400 A CN102726400 A CN 102726400A
- Authority
- CN
- China
- Prior art keywords
- fluroxypyr
- mesotrione
- wheat
- weeds
- compound herbicide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention relates to the technical field of pesticides, and discloses a compound herbicide after wheat seedling stage. The compound herbicide comprises two active ingredients: mesotrione and fluroxypyr at a weight ratio of (1.5:10)-(7.5:2); and preferentially, the content of the mesotrione and fluroxypyr accounts for 5-85% of the compound herbicide by mass. The compound herbicide disclosed by the invention can prevent and kill the annual broadleaf weeds, particularly the resistant broadleaf weeds such as descurainia sophia, euphorbia helioscopia, shepherd's purse and the like in the wheat field, and also can remove part of the grassy weeds, and the weeding effect is obvious; and moreover, the compound herbicide has an obvious synergistic effect, and does not influence the afterreap crop, thereby being an ideal herbicide.
Description
Technical field
[0001] the present invention relates to technical field of pesticide, be specifically related to a kind of mixed herbicide of wheat after seedling.
Background technology
[0002] wheat is one of staple food crop of northern China, and the long-term cultivated area of China is only second to the paddy rice cultivated area at more than 3,000 ten thousand hectares.Wheatland crop smothering area accounts for more than 30% of total cultivated area, and wherein serious injured area is more than 8%, and the general underproduction can be had no harvest when serious more than 15%.Therefore, the usage ratio of domestic wheat paddock weed killer herbicide almost reaches 100%, and its dosage is very big.At present; The main medicament of weed killer herbicide that domestic wheat paddock seedling rear defence removes broad leaved weed has: tribenuron-methyl, dicamba, metsulfuron-methyl, thifensulfuron methyl, isoproturon etc.; But because of using for many years, many weeds have produced pesticide resistance, cause its consumption to strengthen; Make wheat produce recessive poisoning and the underproduction easily, and also not too safe to succession crop.The descurainia sophia (l.) webb ex prantl in the Yellow River and Huai He River basin, corn gromwell, shepherd's purse, wartwort etc. have produced resistance gradually at present.The chemical control of general wheat paddock weeds all prevents and treats before the winter and turn green early spring carry out back preceding two critical periods of jointing.
Mesotrione has another name called nitre sulphur humulone; Be that Switzerland is just reaching earlier the corn new herbicides that crop protection Co., Ltd releases in recent years; Commodity by name thousand layers red; Prevent and kill off annual broadleaf weed and part grassy weed (the broad-leaved preventive effect is superior to grass family), the mechanism of action is for suppressing the activity of PHPPA dioxygenase (HPPD), and HPPD can be converted into plastoquinone with amino acid network propylhomoserin.Have no the report that on wheat, uses at present, more registration is not used.For this reason, we have carried out wheat safety and efficiency test.
Fluroxypyr is a selectivity inner sucting conduction type weed killer herbicide, can absorbed, and in the plant body, conduct by the root of weeds, leaf.Through suppressing the activity of acetolactate synthestase (ALS), thereby influence the biosynthesis of branched-chain amino acid (as: leucine, isoleucine, valine etc.).Show as growing point necrosis, vein chlorosis behind the hazard of plant, plant growing receives severe inhibition, dwarfing, and final complete stool is withered.Susceptible weeds stops growing after absorbing medicament immediately, and 1-3 is dead after week.Be mainly used in and prevent and kill off various annual broadleaf weeds; Better to effects such as descurainia sophia (l.) webb ex prantl, shepherd's purse, the shepherd's purse of cracking rice, corn gromwell, lamb's-quarters, Amaranthus retroflexus; Summer cypress, chickweed, knotweed, clearvers etc. also there is certain preventive effect; Not remarkable to effects such as creeping thistle, volume stem knotweed, field bindweed, wartwort, invalid to grassy weeds such as wild oat, amur foxtail, bromegrass, Triticum tauschii.Since single use continuously, many in recent years local discoveries, and weeds such as descurainia sophia (l.) webb ex prantl, corn gromwell, shepherd's purse have produced resistance to fluroxypyr.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can prevent and kill off resistance broad leaved weeds such as broad leaved weed, particularly descurainia sophia (l.) webb ex prantl, corn gromwell, shepherd's purse, wartwort, can hold concurrently again except that the part grassy weed, and respond well mixed herbicide of wheat after seedling.。
In order to realize the foregoing invention purpose, the present invention provides following technical scheme:
A kind of mixed herbicide of wheat after seedling comprises mesotrione and fluroxypyr, and the weight ratio of mesotrione and fluroxypyr is 1.5:10～7.5:2 (1:6.67～3.75:1).
As preferably, the weight ratio of mesotrione and fluroxypyr is 3:8～6:4 in the complex weedicide according to the invention.
More preferably, the weight ratio of mesotrione and fluroxypyr is 4.5:6 in the complex weedicide according to the invention.
On the other hand, the present invention provides that the quality percentage composition of mesotrione and fluroxypyr is 5～85% of a said complex weedicide in the said complex weedicide.
As preferably, in the complex weedicide according to the invention, two kinds of active components of mesotrione and fluroxypyr according to above-mentioned weight ratio composite after, the formulations of pesticide such as oil-suspending agent, suspending agent.
Synergy after being mixed with the co-toxicity coefficient method evaluation of Sun Yunpei, the result shows that mesotrione, fluroxypyr are by 1.5:10～7.5:2.The composite co-toxicity coefficient of ratio reaches remarkable synergistic effect obviously greater than 120, explains that mesotrione, fluroxypyr are mixed annual dicotyledonous weeds is had significant synergies in 1.5:10～7.5:2 ratio.
Safety determination test to wheat shows that the composite cauline leaf of mesotrione fluroxypyr is handled, and suppresses the ED of wheat growth 10%
10=633.5774, the ED of inhibition weed growth 90%
90=147.8637, selectivity factor is 633.5774/147.8637=4.28>2, think that this medicament has obvious selectivity, the mesotrione fluroxypyr has good safety to wheat.
Complex weedicide according to the invention shows through the field control effectiveness test in 2 years, arrives period of seedling establishment in the 3 leaf phases of wheat, and weeds 1-10 leaf does not wait the phase, and wheat is not seen symptom of chemical damage from the dispenser to the maturing stage, to wheat safety.The preventive effect of weeds reached more than 75% in 20 days, reached more than 90% in 60 days, and along with the increase of dosage, preventive effect obviously strengthens, and not only herbicidal effect is remarkable, and environmentally friendly, and second stubble crop is not had influence.
Compared with prior art, complex weedicide according to the invention can be prevented and kill off broad leaved weed, and particularly the resistance broad leaved weed can be held concurrently again except that the part grassy weed, to wheat safety, and succession crop is not had influence, has a good application prospect.
Embodiment
The invention discloses a kind of mixed herbicide of wheat after seedling that comprises mesotrione and two kinds of active components of fluroxypyr, those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is that all similarly replace and change apparent to those skilled in the art, they all are regarded as and are included in the present invention.Product of the present invention and application are described through preferred embodiment; The related personnel obviously can change or suitably change and combination methods and applications as herein described in not breaking away from content of the present invention, spirit and scope, realizes and use technology of the present invention.
Below in conjunction with embodiment, further set forth the present invention:
Embodiment 1:Suspending agent (the mesotrione: fluroxypyr=3:20) for preparing complex weedicide according to the invention
23% mesotrione fluroxypyr suspending agent, 23% is meant that mesotrione and two kinds of active components of fluroxypyr account for the percentage of gross weight.Get the 3kg mesotrione, the 20kg fluroxypyr,
Phenethyl phenol polyethenoxy ether polyoxy phenyl ether 3%, aluminium-magnesium silicate 1%, propane diols 3%, xanthans 0.2%, card pine 0.1%, water complements to 100%.
Embodiment 2:Oil-suspending agent (the mesotrione: fluroxypyr=3:4) for preparing complex weedicide according to the invention
21% mesotrione fluroxypyr oil-suspending agent, 21% is meant that mesotrione and two kinds of active components of fluroxypyr account for the percentage of gross weight.Get the 9kg mesotrione, the 12kg fluroxypyr, Pluronic125 8%, propane diols 5%, xanthans 0.8%, 1% methylated vegetable oil, water complements to 100%.
Embodiment 3:Mesotrione and fluroxypyr cauline leaf are handled the indoor determination of activity of synergy
1, test objective
Under greenhouse experiment; Adopt the pot experiment method; The herbicidal effect of research mesotrione, fluroxypyr binary built; And the synergy type after using with the two different proportion of co-toxicity coefficient method evaluation of Sun Yunpei, for rationally being mixed of mesotrione and fluroxypyr provides scientific basis.
2, experimental condition
2.1 supply to study the thing wheat breed: Anhui wheat 33
2.2 confession examination weeds descurainia sophia (l.) webb ex prantl (
Descurainia sophia (L.)Schur), wartwort (
Euphorbia helioscopiaL.), wild oat (
Avena fatuaL.) last one year the field seed of gathering, germination rate is more than 85%).
2.3 the cultivation of experimental condition and examination material
In the illumination cultivation chamber, the make an experiment cultivation of material, temperature 15-20 ℃.Choosing diameter is 15cm, highly is the vinyon basin alms bowl of 15cm, and the permeable hole of 1cm diameter is beaten in the bottom of basin alms bowl.Permeable hole covers with double-deck filter paper, and soil is soaked into clear water from the bottom in the high 10cm of loam to the alms bowl place that the preparation in advance of packing in the alms bowl was sterilized.During test, every kind of weed seed 30-40 grain is evenly put into basin, earthing 0.5cm should replenish the required moisture of growth between the weeds culture period.
2.4 other condition
With the regular moisturizing of mode (not watering in 2 days behind the medicine) of bottom infiltration, keep soil moisture.
3 experimental scheme
3.1 medicament
3.1.1 supply the reagent agent
The former medicine of 95% mesotrione (Dandong city agricultural chemicals head factory);
The former medicine of 95% fluroxypyr (Anhui Fengle Agricultural Co., Ltd).
3.1.2 supply the preparation of reagent agent soup
Take by weighing quantitative former medicine with electronic balance, add an amount of emulsifier, use acetone solution, with 0.1% soil temperature 80 aqueous solution above-mentioned former medicine is diluted to desired concn at last.
3.1.3 experimental scheme
3.1.3.1 the synergy of mesotrione and fluroxypyr
Mesotrione, the agent of fluroxypyr list and 5 mesotriones and fluroxypyr mixture preparation are established 5 dosage respectively, and said ratio is the active component weight ratio of mesotrione and fluroxypyr.Other establishes blank, and repetition 4 times is handled in each test.Handle drug dose and see table 1 for details.
Table 1 test is handled and test level (concentration ga.i./mu)
3.2 application method
3.2.1 application method
Handle in 3 leaf phases of wheat, the spraying of weeds 2-4 leaf phase cauline leaf.The spray medicine adopts the indoor overhead traveling crane formula spray testing device of adjustable speed, the conventional spray method in simulation field.Shower nozzle is a Fan spray head, and model is the Teejer8002E type, 40 kilograms/mu of spray values.0.5 meter of spray height, 0.7 meter of spraying swath, leg speed 0.224 meter per second.Atomisation pressure 2.0 MPas, 697 liters/minute of flows.
3.2.2 spraying time and number of times
Tested in the wheat 3-5 leaf phase and carry out reagent spray processing, dispenser 1 time.
4 investigation methods
The symptom of being injured of detail record wheat and weeds after the dispenser, 20d behind the medicine carries out fresh weight and measures, and compares with control treatment, calculates the fresh weight preventive effect.
4.1 synergy assay method
Synergy type after result of the test is used with the co-toxicity coefficient method evaluation of Sun Yunpei.
According to SUN, Y-P (Sun Yunpei) method is calculated its actual toxicity index, the theoretical toxicity index of mixture, co-toxicity coefficient.With the concentration logarithm is X, and damage by disease and insect preventive effect probit value is Y, asks regression equation.
Actual toxicity index=standard medicament LD
50The LD of/mixture
50* 100
Theoretical toxicity index=∑ (supplying the toxicity index * percentage of this medicament active ingredient in mixture of reagent agent)
The actual toxicity index of co-toxicity coefficient=mixture/theoretical toxicity index * 100
Be the standard medicament with the fluroxypyr in the test.
Criterion: co-toxicity coefficient < 80 is antagonism, is summation action between 80-120,>120 is synergistic effect.
5 results and analysis
5.1 the synergy of mesotrione and fluroxypyr
5.1.1 mesotrione and fluroxypyr are mixed to the fresh weight preventive effect of weeds, the result sees table 2.
Table 2 mesotrione and fluroxypyr are mixed behind the medicine 20d to the fresh weight preventive effect of weeds
Control efficiency is the mean value of four data in the table.
5.1.2 mesotrione and fluroxypyr are mixed to the synergy of weeds
Can be known by table 2: medicament is to toxic action situation and the preventive effect of weeds.Calculate its virulence regression equation, LD separately through formula
50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.List in table 3.
Table 3: mesotrione and fluroxypyr are mixed to the synergy of weeds
Can know that by test the co-toxicity coefficient of handling C, D, E, F, G is respectively: 307.60,477.30,671.57,366.00,190.63, co-toxicity coefficient reaches remarkable synergistic effect all obviously greater than 120, and the co-toxicity coefficient of wherein handling E is maximum.
5.1.3 conclusion (of pressure testing)
Can know that through test mesotrione, fluroxypyr all have synergistic effect in 1.5:10～the 7.5:2 ratio is mixed, and annual dicotyledonous weeds is had significant synergies.
6 overall merits
Measure the result by above synergy and show that the two is better with the composite effect of the ratio of 1.5:10～7.5:2 for mesotrione and fluroxypyr, wherein with the composite best results of 4.5:6 left and right sides ratio.
Embodiment 4:The composite cauline leaf of mesotrione fluroxypyr is handled the safety determination test to wheat
1, test objective:
Under greenhouse experiment, adopt the pot experiment method, research mesotrione, fluroxypyr binary built cauline leaf are handled the safety to wheat, for rationally being mixed of mesotrione and fluroxypyr provides scientific basis.
2, experimental condition
2.1 supply to study the thing wheat breed: Anhui wheat 33.
2.2 confession examination weeds descurainia sophia (l.) webb ex prantl (
Descurainia sophia (L.)Schur), wartwort (
Euphorbia helioscopiaL.), shepherd's purse (
Capsellabursa-pastoris(L.) Medic.), wild oat (
Avena fatuaL.) last one year the field seed of gathering, germination rate is more than 85%).(last one year the field seed of gathering, germination rate is more than 85%).
2.3 the cultivation of experimental condition and examination material
In the illumination cultivation chamber, the make an experiment cultivation of material, temperature 15-20 ℃.Choosing diameter is 15cm, highly is the vinyon basin alms bowl of 15cm, and the permeable hole of 1cm diameter is beaten in the bottom of basin alms bowl.Permeable hole covers with double-deck filter paper, and soil is soaked into clear water from the bottom in the high 10cm of loam to the alms bowl place that the preparation in advance of packing in the alms bowl was sterilized.During test, 20, every kind weed seed 30-40 of wheat seed grain is evenly put into basin earthing 0.5cm, put into the greenhouse and cultivate (15-20 ℃), should replenish the required moisture of growth between wheat seedling and weeds culture period.Stay the healthy and strong seedling of 10 strains after all sprouting, treat that wheat seedling length to 3～4 leaves and weeds grow to handle to dispenser in 3～5 o'clock.
2.4 other condition
With the regular moisturizing of mode (not watering in 2 days behind the medicine) of bottom infiltration, keep soil moisture.
3 experimental scheme
3.1 medicament
3.1.1 supply the reagent agent
The former medicine of 95% mesotrione (Dandong city agricultural chemicals head factory);
The former medicine of 95% fluroxypyr (Anhui Fengle Agricultural Co., Ltd).
3.1.2 supply the preparation of reagent agent soup
Take by weighing quantitative former medicine with electronic balance, add an amount of emulsifier, use acetone solution, with 0.1% soil temperature 80 aqueous solution above-mentioned former medicine is diluted to desired concn at last.
3.2 application method
3.2.1 application method
Handle in 3 leaf phases of wheat, the spraying of weeds 2-4 leaf phase cauline leaf.The spray medicine adopts the indoor overhead traveling crane formula spray testing device of adjustable speed, the conventional spray method in simulation field.Shower nozzle is a Fan spray head, and model is the Teejer8002E type, 40 kilograms/mu of spray values.0.5 meter of spray height, 0.7 meter of spraying swath, leg speed 0.224 meter per second.Atomisation pressure 2.0 MPas, 697 liters/minute of flows.
3.2.2 spraying time and number of times
Tested in the 3 leaf phases of wheat and carry out reagent spray processing, dispenser 1 time.
4 investigation and computational methods
4.1 crop investigation
After the dispenser, investigation is respectively handled wheat and is had or not symptom of chemical damage, if then detail record symptom of chemical damage, grade are arranged, and behind the medicine 20 days, measure and respectively handle the wheat fresh weight, calculate the fresh weight inhibiting rate, with of the safety of clear and definite test medicine to wheat.
4.2 weeds investigation
The symptom of being injured of detail record weeds (like growth inhibition, chlorosis, deformity etc.) after the dispenser, behind medicine 20 days, weeds acrial part fresh weight was respectively handled in weighing, calculated the fresh weight preventive effect of weeds.
4.3 computational methods
With DPS software the logarithm value of drug dose and the probability value of wheat fresh weight inhibiting rate are carried out regression analysis, the dosage ED when calculating correlation coefficient and suppressing crop 10%
10, and suppress weeds 90%ED
90, obtain selectivity index.
Selectivity index=ED
10/ ED
90
5 results and analysis
5.1 mesotrione fluroxypyr cauline leaf is handled the safety to wheat
The safety evaluatio standard is seen table 4, observes in 3 days after the dispenser, and mesotrione fluroxypyr high concentration 3600mg/kg handles indivedual wheat lobus cardiacus distortions, and growth is suppressed, and it is normal basically that low concentration is handled wheat growth; After the dispenser 7-12 days, it is normal that low concentration is handled the wheat growing way, and 3600mg/kg handles wheat and also slowly recovers.20 days 50% mesotrione fluroxypyr WP see table 5 to the inhibitory action of wheat after the dispenser.
Table 4 activity of weeding and crop safety ocular estimate evaluation criterion
| Phytotoxicity (%) | The comprehensive comment of activity of weeding is (to influence degrees such as plant inhibition, deformity, albefaction, death | The comprehensive comment of crop safety is (to influence degrees such as plant inhibition, deformity, albefaction, death |
| 0 | With contrast, non-activity | With contrast, there is not influence, safety |
| 10 | Influential slightly, activity is very low | Influential slightly, poisoning is very light |
| 20－40 | Influential, active low | Influential, poisoning is obvious |
| 50－70 | Obviously influence growth has activity | Obviously influence growth, poisoning is serious |
| 80 | Have a strong impact on growth, part is dead | Have a strong impact on growth, poisoning is more serious |
| 90 | Have a strong impact on growth, most of dead, remaining plant is few, and is active fine | Have a strong impact on growth, most of dead, poisoning is very serious |
| 95 | Have a strong impact on growth, plant is dead basically, and remaining plant seldom, and is active fine | Plant is dead basically, and poisoning is very serious |
| 100 | All dead | All dead |
Table 5 50% mesotrione fluroxypyr WP is to the inhibitory action of wheat
| Handle | Mass concentration (mg/kg) | 20d inhibiting rate (%) |
| ? | 130 | 0.25 |
| ? | 260 | 0.75 |
| 50% mesotrione fluroxypyr WP | 520 | 2.00 |
| ? | 1040 | 7.50 |
| ? | 2080 | 20.25 |
| Contrast | Clear water | / |
Table 6 50% mesotrione fluroxypyr WP is to the fresh weight preventive effect of weeds
Can know toxic action situation and the preventive effect of this medicament by table 6, calculate its virulence regression equation, LD respectively through formula to weeds
50, list in table 7.
Table 7: virulence regression equation and LD
50
| Handle | Regression equation | Correlation coefficient | LD 50 | 95% confidence interval |
| A | Y=-0.2323+2.3570x | 0.9925 | 165.9346 | 143.8011－ 191.4749 |
Can be known by table 7: the LD50 of 50% mesotrione fluroxypyr WP is: 165.9346,95% confidence intervals are 143.8011-191.4749.
5.2 mesotrione fluroxypyr cauline leaf is handled the selectivity index to wheat and weeds
By table 5, table 6, try to achieve the ED that suppresses wheat growth 10% through DPS software
10=2182.5620, the ED of inhibition weed growth 90%
90=561.1078, selectivity factor is 2182.5620/561.1078=3.89>2, think that this medicament has obvious selectivity, can carry out field control effectiveness test.
6 overall merits
6.1 this result of the test shows that mesotrione fluroxypyr cauline leaf treatment of high concentration is handled can cause the wheat albefaction to wheat, it is normal that other concentration is handled wheat growth.
6.2 can know that through Toxicity Determination the mesotrione fluroxypyr has good control efficiency to weeds.
Embodiment 5:Complex weedicide field control effectiveness test according to the invention
Complex weedicide according to the invention shows through the field control effectiveness test in 2 years; Wheat period of seedling establishment before the winter, weeds 1-10 leaf does not wait the phase, utilizes 21% mesotrione fluroxypyr of the present invention (9% mesotrione+12% fluroxypyr) oil-suspending agent (OF) dosage, 30,40,50,80 gram/mus; Converting water sprays for 40 kilograms/mu; 20,60 days and maturing stage range estimation wheat safety and weeds preventive effect, surveyed at preventive effect result such as following table in 20,60 days:
Through range estimation, wheat is not seen symptom of chemical damage from the dispenser to the maturing stage, to wheat safety.30 milliliters/mu of the preventive effects of broad leaved weed were reached more than 75% in 20 days; Reached more than 92% in 60 days, along with the increase of dosage, preventive effect obviously strengthens; Can good herbicidal effect be arranged to broad leaved weed for 30 milliliters/mu at wheat paddock; Compare with wherein a kind of active ingredient of independent use, enlarged and killed the grass spectrum, broad leaved weed is had obvious synergistic effect.Not only herbicidal effect is remarkable, and environmentally friendly, and second stubble crop is not had influence, and is little to the pollution of environment, to people, animal, birds and beneficial organism safety, helps keeping ecological balance.In addition, weed killer herbicide of the present invention adopts physical method processing, and production technology is simple, and three-waste free discharge in the production process has no adverse effects to ecotope.It is the desirable complex weedicide of present control efficiency.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (6)
1. a mixed herbicide of wheat after seedling is characterized in that, comprises mesotrione and fluroxypyr, and the weight ratio of mesotrione and fluroxypyr is 1.5:10～7.5:2.
2. complex weedicide according to claim 1, as preferably, the weight ratio of mesotrione and fluroxypyr is 3:8～6:4.
3.3. according to claim 1,2 described complex weedicides, more preferably, the weight ratio of mesotrione and fluroxypyr is 4.5:6.
4.4., it is characterized in that the quality percentage composition of mesotrione and fluroxypyr is 5～85% of a said complex weedicide according to claim 1,2,3 described complex weedicides.
5. according to claim 1,2,3,4 described complex weedicides, it is characterized in that mesotrione and fluroxypyr mix existing usefulness with the form that bucket mixes at present, all being regarded as is to be included in the present invention.
6. according to each described complex weedicide of claim 1-4, it is characterized in that said complex weedicide is the formulations of pesticide such as oil-suspending agent, suspending agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102476649A CN102726400A (en) | 2012-07-18 | 2012-07-18 | Compound herbicide after wheat seedling stage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102476649A CN102726400A (en) | 2012-07-18 | 2012-07-18 | Compound herbicide after wheat seedling stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102726400A true CN102726400A (en) | 2012-10-17 |
Family
ID=46983286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102476649A Pending CN102726400A (en) | 2012-07-18 | 2012-07-18 | Compound herbicide after wheat seedling stage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102726400A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015191573A1 (en) * | 2014-06-09 | 2015-12-17 | Dow Agrosciences Llc | Herbicidal weed control from combinations of fluroxypyr and als inhibitors |
| CN105265435A (en) * | 2014-07-02 | 2016-01-27 | 江苏龙灯化学有限公司 | Synergistic herbicidal composition and application thereof |
| CN115261114A (en) * | 2022-07-07 | 2022-11-01 | 佛山科学技术学院 | A seed oil of Descurainia sophia with effects of lowering blood sugar and reducing blood cholesterol |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511194A (en) * | 2006-07-19 | 2009-08-19 | 先正达参股股份有限公司 | Herbicidal composition and method of use thereof |
| CN102283203A (en) * | 2011-06-10 | 2011-12-21 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing mesotrione and fluroxypyr |
-
2012
- 2012-07-18 CN CN2012102476649A patent/CN102726400A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511194A (en) * | 2006-07-19 | 2009-08-19 | 先正达参股股份有限公司 | Herbicidal composition and method of use thereof |
| CN102283203A (en) * | 2011-06-10 | 2011-12-21 | 陕西韦尔奇作物保护有限公司 | Weeding composition containing mesotrione and fluroxypyr |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015191573A1 (en) * | 2014-06-09 | 2015-12-17 | Dow Agrosciences Llc | Herbicidal weed control from combinations of fluroxypyr and als inhibitors |
| US9737073B2 (en) | 2014-06-09 | 2017-08-22 | Dow Agrosciences Llc | Herbicidal weed control from combinations of fluroxypyr and ALS inhibitors |
| EP3151668B1 (en) * | 2014-06-09 | 2020-11-11 | Dow AgroSciences LLC | Herbicidal weed control from combinations of fluroxypyr and als inhibitors |
| CN105265435A (en) * | 2014-07-02 | 2016-01-27 | 江苏龙灯化学有限公司 | Synergistic herbicidal composition and application thereof |
| CN105265435B (en) * | 2014-07-02 | 2018-03-20 | 江苏龙灯化学有限公司 | A kind of Synergistic herbicide compositions and its application |
| CN115261114A (en) * | 2022-07-07 | 2022-11-01 | 佛山科学技术学院 | A seed oil of Descurainia sophia with effects of lowering blood sugar and reducing blood cholesterol |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102379302B (en) | Postemergence compound herbicide for wheat | |
| CN103300039A (en) | Compounded herbicide for corn seedlings of postemergence | |
| CN102283235B (en) | Postemergence formulated herbicide used for cotton field | |
| CN106259368B (en) | A kind of corn field mixed herbicide containing isoxaflutole | |
| CN102726400A (en) | Compound herbicide after wheat seedling stage | |
| CN102487956A (en) | Composite herbicide used after wheat seedling emergence | |
| CN101946782A (en) | Compound herbicide for soybean seedlings | |
| CN102379303A (en) | Wheat post-emergence compound herbicide | |
| CN102487946A (en) | Wheat post-seedling compound weed killer | |
| CN105851017A (en) | Herbicide mixture for corn field | |
| CN101965846A (en) | Maize seedling post compound herbicide containing flufenacet | |
| CN104782646A (en) | Disposable compound post-emergence herbicide for rice | |
| CN104855391A (en) | Post-emergence herbicide containing bispyribac-sodium and ipfencarbazone used for rice | |
| CN104770385B (en) | A kind of Oryza sativa L. post-emergence complex weedicide | |
| CN102835412A (en) | Compound herbicide after seedling of wheat | |
| CN104522023A (en) | Wheat field herbicide composition containing clodinafop-propargyl | |
| CN102388898A (en) | Compounding herbicide for cotton field | |
| CN101965835A (en) | Compound herbicide in post-emergence period of corn | |
| CN102845428A (en) | Mixed herbicide of wheat after seedlings | |
| CN101946791A (en) | Synergistic herbicide composition | |
| CN102369932A (en) | Composite weedicide for wheat seedlings | |
| CN102027969A (en) | Herbicidal composition containing clopyralid and tribenuron-methyl and application thereof | |
| CN101946781B (en) | Post-seedling complex herbicide for corn and paddy | |
| CN102027963B (en) | Herbicidal composition containing diflufenzopyr and mesotrione and application thereof | |
| CN105494353B (en) | A kind of mixed herbicide of the pyrazoles of grass containing sulphonyl and pyribenzoxim |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121017 |