CN106386813A - Herbicidal composition and application thereof - Google Patents

Herbicidal composition and application thereof Download PDF

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Publication number
CN106386813A
CN106386813A CN201610793160.5A CN201610793160A CN106386813A CN 106386813 A CN106386813 A CN 106386813A CN 201610793160 A CN201610793160 A CN 201610793160A CN 106386813 A CN106386813 A CN 106386813A
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Prior art keywords
herbicide
quinmerac
trichlopyr
quinoline
compound herbicide
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CN201610793160.5A
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CN106386813B (en
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聂珍
罗小娟
李双阳
苟骄
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Sichuan Lier Crop Science Co Ltd
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Sichuan Lier Crop Science Co Ltd
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
    • A01N43/42—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings condensed with carbocyclic rings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
    • A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings

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  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (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)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The present invention relates to a wheat paddock composite herbicide containing quinmerac and trichlopyr. The wheat paddock composite herbicide is characterized in that the herbicide comprises three main active ingredients: A, B and C. The active ingredient A is quinmerac. The active ingredient B is trichlopyr. The active ingredient C is any one selected from clopyralid, halauxifen-methyl and fluroxypyr. The weight ratio of A : B: C is 1-150:1-80:0.1-40. The herbicidal composition is used for the post-emergence foliage treatment of the wheat paddock and is capable of preventing and killing off broadleaf weeds. The herbicidal composition is remarkable in synergism effect.

Description

Herbicidal combinations and its application
Technical field：
The invention belongs to agriculture herbicide field, it is related to a kind of composite wheat field herbicide, for wheat paddock after seedling cauline leaf Broad leaved weed is prevented and kill off in process.
Technical background：
The invention belongs to agriculture herbicide field, it is related to a kind of composite wheat field herbicide, for wheat paddock after seedling cauline leaf Broad leaved weed is prevented and kill off in process.
Quinmerac (Quinmerac), is quinmerac, chemistry is entitled, and (the chloro- 8-Quinoline Carboxylic Acid of 3- methyl -7-, is seedling again The hormone like herbicide that front or after seedling uses, can be absorbed by the root of plant and leaf, then shifts to the top of plant and base portion.Quinoline Oxalic acid is the quinoline carboxylic acid herbicide developed by BASF AG it is adaptable to cereal crop, wheat and beet, prevents and kill off pig calamity Calamity, Veronica and other weeds, wherein umbellate form section crop is very sensitive to it.
Trichlopyr (Triclopyr), No. CAS is:55335-06-3, structural formula is as follows,
Trichlopyr belongs to inner sucting conduction type selective herbicide, by blade face and the Root Absorption of plant, and in plant It is transmitted to complete stool in vivo, causes its root, stem, leaf deformity, reserve substance exhausts, and, by embolism or rupture, plant is gradually dead for vascular bundle Die.Can be used for the gramineous crop such as field such as wheat, corn, oat, Chinese sorghum and prevent and kill off nettle, garden sorrel, the broad leaved weed such as morning glory.
After the herbicide of single-activity component is used for controlling weeds for a long time, the resistance of weeds can be made to strengthen, make the quick of weeds Perception declines, and can increase formulation rate, thus causing the pollution of environment.And the development difficulty of new herbicide is increasing, expend Time and financial resources also increasing, therefore rational mixture herbicide is to improve a kind of selection that herbicidal effect becomes current. Herbicide rational mixture not only can expand herbicidal spectrum, delays the generation of Weed Resistance, and good compounding can also improve weeding effect Really, play synergistic effect it will be apparent that improving the effect of herbicide.
The present inventor, indoors on the basis of biologicall test, finds quinmerac, trichlopyr and clopyralid, fluorine Chloropyridine ester, fluroxypyr show obvious synergistic effect to weeds in the range of certain mixed ratio, therefore exist On the basis of the studies above, complete the present invention.
Content of the invention：
It is an object of the invention to provide the low herbicidal composition of drug cost, the broad leaved weed of wheat paddock is had relatively Good prevention effect, can be used for wheat paddock after seedling cauline leaf process, prevents and kill off broad leaved weed.The technical solution adopted in the present invention For：
A kind of containing quinmerac, trichlopyr compound herbicide it is characterised in that described herbicide is with A, B and C For principle active component, wherein A is quinmerac, and B is trichlopyr, and C is clopyralid, fluorine chloropyridine ester, chlorine fluorine pyrrole Any one in fluoroacetic acid, A：B：The weight of C is than for 1-150:1-80:0.1-40, further preferred technical scheme is 1- 150:1-20:0.1-20, still more preferably for 5-150:1-20:0.1-5.In compound herbicide, the content of active ingredient For 1-85%, preferably 20-75%.
The herbicide of the present invention is used for wheat paddock after seedling cauline leaf process, prevents and kill off broad leaved weed.
The preparation formulation that herbicide of the present invention can be prepared according to the method well known to those skilled in the art of the present technique, including Water dispersible granules, wettable powder, missible oil, aqueous suspension agent, oil suspending agent, suspension emulsion, aqueous emulsion, microemulsion etc.；Known auxiliary agent There are emulsifying agent, wetting dispersing agent, suspending agent, disintegrant, binding agent, antifreezing agent, thickener, stabilizer, defoamer etc..
The advantage of the compound herbicide of the present invention is：
Rationally, synergistic effect is notable, can be used for wheat paddock after seedling cauline leaf process and prevents and kill off broad leaved weed for component.
Specific embodiment
With reference to embodiment to further instruction of the present invention, the percentage in embodiment is weight ratio, but this Bright it is not limited thereto.
1st, toxicity measures
For further appreciating that the synergy to weeds for the mixture of the application, the present inventor is to quinmerac and trichlorine pyrrole oxygen second The mixture of acid has carried out cauline leaf process synergy toxicity and has measured.
Test material：Clearvers, chickweed.
Test method：Weigh a certain amount of weeding active ingredient active compound, after fully dissolving, be configured to single dose mother liquor respectively, Serial proportioning is arranged according to mixture purpose, each proportioning arranges 5～7 concentration gradients.Select that there is generation according to single dose herbicidal spectrum The susceptible weeds seed of table, cultivates standby to 3 leaf 1 heart.After the weeds cauline leaf process that will select to number, it is placed on illumination box Middle incubated at room temperature 20 days, calculates prevention effect (fresh weight preventive effect or strain preventive effect), then calculates ED with least square method50(95% puts Letter limit), then calculate co-toxicity coefficient (CTC) with the abundant method of Sun Yun.Co-toxicity coefficient (CTC) >=120 shows as synergistic effect；Co-toxicity coefficient (CTC)≤80 show as antagonism；80 ＜ co-toxicity coefficient (CTC) ＜ 120 show as summation action.Test result is shown in Table 1-6.
Table 1 different ratio quinmerac trichlopyr fluroxypyr measures knot to clearvers synergy Really
Medicament Proportioning ED50(ga.i/ mu) Co-toxicity coefficient
Quinmerac (abbreviation quinoline) —— 10.54 ——
Trichlopyr (referred to as three) —— 42.58 ——
Fluroxypyr (abbreviation chlorine) —— 13.17 ——
Quinoline trichlorine 1:80:1 33.17 120.61
Quinoline trichlorine 10:40:20 17.05 120.51
Quinoline trichlorine 30:30:30 10.06 153.49
Quinoline trichlorine 50:1:40 9.96 125.25
Quinoline trichlorine 70:30:30 10.92 123.70
Quinoline trichlorine 100:40:20 11.09 120.78
Quinoline trichlorine 150:80:1 11.81 120.84
Quinoline trichlorine 1:1:0.1 13.68 121.88
Quinoline trichlorine 1:1:40 10.75 123.81
Quinoline trichlorine 150:1:40 9.08 121.65
Table 2 different ratio quinmerac trichlopyr clopyralid measures knot to the synergy of clearvers Really
Table 3 different ratio quinmerac trichlopyr fluorine chloropyridine ester measures knot to the synergy of clearvers Really
Medicament Proportioning ED50(ga.i/ mu) Co-toxicity coefficient
Quinmerac (abbreviation quinoline) —— 10.54 ——
Trichlopyr (referred to as three) —— 42.58 ——
Fluorine chloropyridine ester (abbreviation fluorine) —— 1.35 ——
Quinoline trifluoro 1:80:1 25.01 120.79
Quinoline trifluoro 10:40:20 3.29 127.38
Quinoline trifluoro 30:30:30 2.26 154.51
Quinoline trifluoro 50:1:40 2.37 121.92
Quinoline trifluoro 70:30:30 3.12 140.92
Quinoline trifluoro 100:40:20 4.91 129.10
Quinoline trifluoro 150:80:1 10.97 124.96
Quinoline trifluoro 1:1:0.1 8.89 122.75
Quinoline trifluoro 1:1:40 1.15 122.77
Quinoline trifluoro 150:1:40 3.58 121.57
Table 4 different ratio quinmerac trichlopyr fluroxypyr measures knot to the synergy of chickweed Really
The synergy measurement result to chickweed for the table 5 different ratio quinmerac trichlopyr clopyralid
Medicament Proportioning ED50(ga.i/ mu) Co-toxicity coefficient
Quinmerac (abbreviation quinoline) —— 11.14 ——
Trichlopyr (referred to as three) —— 43.18 ——
Clopyralid (referred to as two) —— 8.14 ——
Quinoline three or two 1:80:1 33.01 120.28
Quinoline three or two 10:40:20 13.23 123.59
Quinoline three or two 30:30:30 8.86 143.61
Quinoline three or two 50:1:40 8.35 124.31
Quinoline three or two 70:30:30 8.86 137.59
Quinoline three or two 100:40:20 10.18 127.16
Quinoline three or two 150:80:1 11.32 132.16
Quinoline three or two 1:1:0.1 13.93 120.40
Quinoline three or two 1:1:40 6.16 135.63
Quinoline three or two 150:1:40 8.04 129.09
The synergy measurement result to chickweed for the table 6 different ratio quinmerac trichlopyr fluorine chloropyridine ester
The measurement result of table 1-6 shows, quinmerac, trichlopyr and clopyralid, fluorine chloropyridine ester, chlorine fluorine pyrrole Fluoroacetic acid is in 1-150:1-80:In 0.1-40 proportion, it is respectively provided with obvious synergistic effect.
2nd, example of formulations
Embodiment A contains the suspending agent of quinmerac
Composition Embodiment 1 Embodiment 2 Embodiment 3
Quinmerac 10 10 10
Trichlopyr 10 10 10
Clopyralid 10 — —
Fluorine chloropyridine ester — 10 —
Fluroxypyr — — 10
APES 11 10 10
Calcium lignosulfonate 5 6 5
Lauryl sodium sulfate 2 3 4
Xanthans 1 1 1
Ethylene glycol 0.5 0.5 0.5
Water Supply 100 Supply 100 Supply 100
Embodiment B, the wettable powder containing quinmerac
Embodiment C, the water dispersible granules containing quinmerac
Embodiment D, the aqueous emulsion containing quinmerac
Embodiment E, the missible oil containing quinmerac
Composition Embodiment 13 Embodiment 14 Embodiment 15
Quinmerac 15 15 15
Trichlopyr 0.1 0.1 0.1
Clopyralid 4 — —
Fluorine chloropyridine ester — 4 —
Fluroxypyr — — 4
Calcium dodecyl benzene sulfonate 14 14 15
AEO 8 9 6
Sorbitan fatty acid ester 5 3 4
Ethylene glycol 0.5 0.5 0.5
1-METHYLPYRROLIDONE Supply 100 Supply 100 Supply 100
Embodiment F contains the oil-suspending agent of quinmerac
3rd, field control effectiveness test
Reagent agent：Complex weedicide in embodiment 1-18.
Comparison medicament：48% trichlopyr missible oil (comparison medicament 1), 75% clopyralid water dispersible granules are (right According to medicament 2), 50% quinmerac wettable powder (comparison medicament 3), 25% fluorine chloropyridine ester water dispersible granules (comparison medicament 4, Self-control), 20% fluroxypyr missible oil (comparison medicament 5).
Preventing and treating crop：Wheat.
Prevent and kill off object：Clearvers, chickweed, tongue of sparrow grass, Veronica.
Test method：Test and carry out in wheat paddock, each group processes 3 repetitions, processing area is about 20m2, according to The area of experimental plot, the good various medicaments of precise, after seedling cauline leaf process.30d weeds death condition after statistics administration, compares The activity of weeding of various medicaments.The results are shown in Table 7.
30d herbicidal effect after the composition medicine containing quinmerac for the table 7
Field experiment result shows, quinmerac, trichlopyr and clopyralid, fluorine chloropyridine ester, chlorine fluorine pyrrole oxygen The preventive effect of the broad leaved weeds such as the chickweed to wheat paddock for arbitrary compounding of acetic acid, clearvers, tongue of sparrow grass, Veronica is all preferable, with list Agent is compared, and activity of weeding is enhanced, and synergistic effect is obvious.Estimated according to field, in the range of test dose, crop Growth is normal, has no that plant produces poisoning and anomaly, to wheat safety.The complex composition of the present invention, Ke Yiyou are described Gesture is complementary, expand weed control spectrum, reduce each plant demand, reduce use cost.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment Detail, in the range of the technology design of the present invention, multiple simple variant can be carried out to technical scheme, this A little simple variant belong to protection scope of the present invention.

Claims (6)

1. a kind of containing quinmerac, trichlopyr composite wheat field herbicide it is characterised in that described herbicide with A, B and C is principle active component, and wherein A is quinmerac, and B is trichlopyr, and C is clopyralid, fluorine chloropyridine ester, chlorine Any one in fluorine pyrrole fluoroacetic acid, A：B：The weight of C is than for 1-150:1-80:0.1-40.
2. compound herbicide according to claim 1 is it is characterised in that A：B：The weight of C is than for 1-150:1-20:0.1-20, more More preferably 5-150:1-20:0.1-5.
3. according to the arbitrary described compound herbicide of claim 1-2 it is characterised in that the content of active ingredient is 1-85%, excellent Select 20-75%.
4. according to the arbitrary described compound herbicide of claim 1-3 it is characterised in that compound herbicide and insecticides adjuvant are prepared Any one formulation allowing is become on agricultural chemicals.
5. according to the arbitrary described compound herbicide of claim 1-4 it is characterised in that the formulation of described herbicide dissipates for moisture Granula, wettable powder, missible oil, aqueous suspension agent, oil suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
6. the arbitrary described compound herbicide of claim 1-5 prevents and kill off broad leaved weed for wheat paddock after seedling cauline leaf process.
CN201610793160.5A 2016-08-31 2016-08-31 Herbicidal combinations and its application Active CN106386813B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115363035A (en) * 2021-05-20 2022-11-22 四川利尔作物科学有限公司 Rain wash resistant herbicide composition and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1071048A (en) * 1991-09-23 1993-04-21 先灵公司 Synergistic herbicidal compositions
US20040167032A1 (en) * 2000-12-01 2004-08-26 Greg Volgas Manufacture and use of a herbicide formulation
CN104068024A (en) * 2014-06-26 2014-10-01 北京颖泰嘉和生物科技有限公司 Herbicide composition and application thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1071048A (en) * 1991-09-23 1993-04-21 先灵公司 Synergistic herbicidal compositions
US20040167032A1 (en) * 2000-12-01 2004-08-26 Greg Volgas Manufacture and use of a herbicide formulation
CN104068024A (en) * 2014-06-26 2014-10-01 北京颖泰嘉和生物科技有限公司 Herbicide composition and application thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115363035A (en) * 2021-05-20 2022-11-22 四川利尔作物科学有限公司 Rain wash resistant herbicide composition and application thereof

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