CN109479877A - A kind of sunflower field herbicidal composition - Google Patents
A kind of sunflower field herbicidal composition Download PDFInfo
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- CN109479877A CN109479877A CN201811421550.5A CN201811421550A CN109479877A CN 109479877 A CN109479877 A CN 109479877A CN 201811421550 A CN201811421550 A CN 201811421550A CN 109479877 A CN109479877 A CN 109479877A
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- metolachlor
- sunflower
- sulfentrazone
- flumioxazin
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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
- A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
- A01N37/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
- A01N37/22—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
-
- 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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/647—Triazoles; Hydrogenated triazoles
- A01N43/653—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- 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
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/84—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,4
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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 invention discloses a kind of sunflower field herbicidal compositions, include three kinds of S-metolachlor, flumioxazin and sulfentrazone effective components, wherein, three kinds of effective component mass ratioes are 1~60:0.1~10:1~50, and the mass percent summation of three kinds of effective components in the composition is 1~80%.Herbicidal combinations of the present invention, single dose or binary combination relative to equally effective ingredient compare, and synergistic effect is obvious, and effectively expands degrass spectrum.Herbicidal combinations of the present invention are suitable for preventing and kill off the most of grass family in sunflower field and broadleaf weeds, show safety to sunflower.
Description
Technical field
The invention belongs to technical field of pesticide, more particularly, to a kind of sunflower field herbicidal composition.
Background technique
S-metolachlor (s-metolachlor) is a kind of efficient, less toxic, low-residual selective preemergence herbicide,
Suitable for dry crop, such as corn and soybean, peanut, sugarcane, it can also be used to cotton, rape, potato and the ocean of non-sand loam soil
The crops such as green onion, capsicum, wild cabbage broadcast before rear seedling or soil treatment before transplanting, and it is dicotyledonous can to prevent and kill off annual gramineous weed, part
Weeds and annual sedge weed, such as barnyard grass, herba digitariae, Brachiaria Griseb, herba eleusines indicae, herba setariae viridis, difformed galingale herb, cyperus iria, shepherd's purse
Dish, amaranth, dayflower and knotweed etc..
Flumioxazin (Flumioxazin) belongs to N- phenyl acid imide chemical herbicide.Its binding mode is to inhibit
Proporphyrinogen oxidase causes Chlorophylls and Carotenoids synthesis impaired, is cell membrane by controlling Chlorophyll synthesis approach
Function and structure brings irreversible injury.The sensitive plant of the rigid rudiment handled through flumioxazin is bad quickly in the sun
Extremely.Flumioxazin is absorbed by young shoot and blade, and annual broadleaf weed and part grass family can effectively be prevented and kill off by making soil treatment
Weeds, it is degradable in the environment, to succession crop safety.Soybean, peanut have good drug resistance to it.It is corn, wheat, big
Wheat, rice have medium patience.It is suitable for the crop fields such as soybean, peanut, orchard and prevents and kill off annual broadleaf weed and part standing grain
Undergraduate course weeds.
Sulfentrazone (Sulfentrazone), chemical name N- (2,4- bis- chloro- 5- (4- difluoromethyl -4,5- dihydro -3- first
Base -5- oxo -1H-1,2,4- triazol-1-yls) phenyl) Methanesulfomide, triazolineone herbicide, category proporphyrinogen oxidase
Inhibitor.By inhibiting protoporphyrinogen oxidase, make to generate excessive protoporphyrin IX in plant cell, the latter is photosensitizer, is caused
It is intracellular to generate active oxygen, eventually lead to cell membrane, the rupture such as vesicular membrane, the exudation of cell Dissolve things inside, death of drying up.At cauline leaf
Reason, soil treatment.It leads a cow suitable for the Tanakas such as corn, sorghum, soybean, peanut, sugarcane prevention and treatment, Amaranthus retroflexus, Chenopodiaceae, Man Tuo
The annual broadleaf weeds such as sieve, herba digitariae, herba setariae viridis, Siberian cocklebur, herba eleusines indicae, the rhizome of nutgrass flatsedge, gramineae weed and nutgrass flatsedge etc..To lower stubble standing grain
Cereal crops safety, has certain phytotoxicity to cotton and beet.
Chemical method weeding is one of the main means for agriculturally controlling weeds.It is only smart according to existing document announcement
The chemical herbicide of two kinds of effective components of isopropyl methoxalamine and haloxyfop-r-methyl, which has to register in sunflower field, to be used, and Xiang
Certain herbaceous plants with big flowers broadcasts closing herbicide products before rear seedling and there was only S-metolachlor, although S-metolachlor can effectively prevent and kill off barnyard grass,
The annual gramineous weeds such as herba digitariae and part small-sized seed broadleaf weeds, but degrass spectrum is more limited to, it is miscellaneous to most of broad-leaved
It is careless invalid.And the cauline leaf process herbicide of the routine such as haloxyfop-r-methyl, Quizalotop-ethyl can only be single prevent and kill off sunflower
The gramineae weed of Tanaka not can solve the prevention and treatment problem of sunflower field broadleaf weeds and sedge weed still.Wang Yu etc., is removed
Careless agent is in sunflower field herbicidal effect and safety testing, agricultural journal, 2014,4 (6): 20-23, also to S-metolachlor,
Acetochlor, pendimethalin, thifensulfuronmethyl and flumioxazin prevent and kill off sunflower field weed and sunflower safety is tested
Research.
Three kinds of S-metolachlor, flumioxazin and sulfentrazone effective components are in chemical structure, physicochemical property and work
With mechanism difference, corresponding herbicide ability, degrass spectrum, herbicide mechanism are different, and different herbicidal compositions are reasonably compounded,
It usually can both expand degrass spectrum, while preferable preventive effect is played to the difficult weeds prevented and kill off of certain comparisons.
Summary of the invention
For overcome the deficiencies in the prior art, provide one kind has obvious synergistic function to the present invention, pacifies to sunflower
Entirely, weeds spectrum is wide, low-residual, low cost, the sunflower field herbicidal composition that can effectively delay herbicide resistance to generate.
To achieve the goals above, the invention adopts the following technical scheme: a kind of sunflower field herbicidal composition, includes
Three kinds of S-metolachlor, flumioxazin and sulfentrazone effective components, effective component mass ratio are 1-60:0.1-10:1-
50。
S-metolachlor, three kinds of effective component mass ratioes of flumioxazin and sulfentrazone be 6~50:0.2~5:1~
12。
Three kinds of S-metolachlor, flumioxazin and sulfentrazone effective component mass ratioes are 10~40:0.5~3:2
~10.
The weight of the S-metolachlor, flumioxazin and sulfentrazone account for Herbicidal combinations gross mass 1~
80%, auxiliary agent and other excipient surpluses.
It is outstanding can be prepared into suspoemulsion, dispersible oil by conventional pesticide producing mode, processing for Herbicidal combinations of the present invention
Floating agent.
The insecticides adjuvant is selected from emulsifier, wetting agent, dispersing agent, thickener, synergist, antifreezing agent, defoaming agent etc.
One or more of.
The solvent can be selected from methyl oleate, S-100, S-150, S-200, dimethylbenzene, trimethylbenzene, methyl naphthalene, corn oil,
One or more of soybean oil, rapeseed oil, peanut oil and water etc..
The emulsifier can be selected from castor oil polyoxyethylene ether, alkyl phenol polyoxyethylene ether phosphate, phenyl phenol polyoxy second
One or more of alkene ether, styrylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkylbenzene naphthenic acid salt etc..
The wetting agent can be selected from aliphatic alcohol sulfate, fatty alcohol polyoxyethylene ether, sodium sulfate of polyethenoxy ether of fatty alcohol,
PULLRONIC F68 block polymer, benzene sulfonamide acid alkali metal salt, dialkyl succinylsuccinate sulfonated ester, lignin sulfonic acid
One or more of salt, alkyl phenol polyoxyethylene ether, APES formaldehyde condensation product, saponin etc..
The dispersing agent can be selected from lignosulfonates, alkylbenzene sulfonate, alkyl phenol polyoxyethylene ether, alkyl naphthalene sulfonic acid
Salt, N- Methyl fatty acyl group-taurate, APES formaldehyde condensation product, aralkyl benzene sulfonate, alkylnaphthalene sulphur
One in sour formaldehyde condensation products sodium salt, aralkyl naphthalene sulfonic acid-formaldehyde condensation product sodium salt, polycarboxylate, aliphatic amine polyoxyethylene ether etc.
Kind is several.
The thickener can be selected from xanthan gum, gelatin, Arabic gum, guar gum, sodium alginate, sodium cellulose glycolate, gather
One or more of vinyl alcohol, polyacrylamide, meteorological white carbon black, sulfuric acid magnalium, diatomite, organic spray profit soil etc..
In the optional autohemagglutination trisiloxanes of the synergist, fatty alcohol polyoxyethylene ether, succinic acid di-isooctyl sulfonate etc.
One or more.
The antifreezing agent can be selected from one or more of propylene glycol, ethylene glycol and glycerine etc..
The defoaming agent is organic silicon defoaming agent.
The present invention is intended to provide one kind can effectively prevent and kill off sunflower field gramineae weed, broadleaf weeds, and to sunflower
The Seal treatment herbicide before broadcasting rear seedling of safety, has had not yet to see sulfentrazone single dose and S-metolachlor, propine fluorine
Careless amine and sulfentrazone ternary recompounded composite are in the research and application for preventing and kill off sunflower field weed field.
The present inventor broadcasts the purpose of weeds integrated control before rear seedling based on sunflower field, and lacks currently on the market corresponding
Safe and efficient herbicide products are studied by a large amount of indoor biometrics experiment, and pleasantly surprised discovery removes S-metolachlor, propine
Benfluralin and sulfentrazone ternary built herbicidal composition are bright to barnyard grass, black nightshade performance in certain suitable ratio range
Aobvious synergistic effect.Further study show that Seal treatment can prevent and kill off sunflower before the herbicidal composition broadcasts rear seedling more comprehensively
The most of gramineae weeds in field, broadleaf weeds, and to sunflower safety.
The present inventor is to the Herbicidal combination containing three kinds of S-metolachlor, flumioxazin and sulfentrazone effective component
Composition formula is screened and its is furtherd investigate using technology, by a large number of experiments, completes the present invention.The Herbicidal combinations can be effective
Solution current sunflower field weed dispensary the herbicide selection single variety, the degrass spectrum limitation that face, dosage it is big or
Often, pesticide residue is serious, and weeds in field is difficult to effectively prevent and kill off and easily generates the problems such as resistance.It can be effective
The pollution saved control cost, reduced to environment.
In conclusion Herbicidal combinations of the present invention, broad weed-killing spectrum, herbicidal effect is significant, to most of at present regional to day
The weeds such as commonplace barnyard grass, herba digitariae, herba setariae viridis, black nightshade, Chenopodiaceae, which occur, for certain herbaceous plants with big flowers field good preventive effect.
And since each effective component is in the intracorporal action site of plant and mode of action difference, according to existing miscellaneous
Careless resistance occurrence and development are theoretical, and Herbicidal combinations of the present invention can effectively avoid, delay or control the generation of herbicide resistance
And development.
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention,
The technical scheme in the embodiment of the invention is clearly and completely described.
It is raw to survey embodiment 1:
S-metolachlor, the flumioxazin toxicity determination test to weeds mixed with sulfentrazone.
Test objective: by greenhouse pot culture active determination test with definitely S-metolachlor, flumioxazin and
The mixed synergistic effect to weeds of sulfentrazone, between further comparative composition and the weeding between composition and single dose
Activity, to better illustrate Herbicidal combinations of the present invention.
Test target: selecting barnyard grass, black nightshade is test target.
Test medicine: 98% S-metolachlor TC, 99.2% flumioxazin TC and 95% sulfentrazone TC.
Test medicine and preparation: weighing a certain amount of raw medicine, selects suitable organic solvent dissolution to be made into mother liquor, by setting
Dosage is diluted to test dose with the distilled water containing 0.1% Tween-80 and is handled.
Test material culture: the test test special soil that soil is that non-medication plot is collected selects 120*105*85cm flowerpot, will
Soil is filled to 3/4 height, adds water after soil is completely wet, by target drought barnyard grass, black nightshade seed difference uniform broadcasting into basin alms bowl, so
After cover the mixed husky fine earth of one layer of 0.5~1.0cm thickness, hot-house culture, regular moisturizing with keep 100% soil moisture, for 24 hours after planting
For use.
Test method: using greenhouse pot culture method, soil spraying treatment is carried out for examination weeds under each dosage.Every processing is set 4 times
It repeats, separately sets blank control.Processing is cultivated in postposition greenhouse, and regular moisturizing keeps suitable soil temperature and humidity.
Investigation method: routine observation plant reaction symptom after processing, and 15d is comprehensive by the evaluation of 0-100% ocular estimate after medicine
Activity of weeding is closed, while measuring 21d aerial part weeds fresh weight, calculates fresh weight inhibition rate, medicament pair is evaluated with fresh weight inhibition rate
Target virulence.
Fresh weight inhibition rate (%)=(control fresh weight-processing fresh weight)/control fresh weight * 100.
Synergy evaluation method: being analyzed using DPS software, calculates virulence equation, ED50It is worth (gai/ha) and co-toxicity coefficient
CTC the results are shown in Table 1 and table 2.
Table 1: S-metolachlor, flumioxazin are mixed with sulfentrazone single dose and different proportion to barnyard grass virulence test
As a result
Table 2: S-metolachlor, flumioxazin are mixed with sulfentrazone single dose and different proportion to black nightshade virulence test
As a result
Wherein co-toxicity coefficient CTC >=120 show as synergistic effect, and co-toxicity coefficient 80≤CTC≤120, which show as being added, to be made
With.
By the test result of Tables 1 and 2 it is found that under above-mentioned test ratio, removes and barnyard grass is showed under 10:0.2:1 ratio
Outside for summation action, S-metolachlor, flumioxazin are mixed with sulfentrazone to barnyard grass and dragon under remaining test proportion
Certain herbaceous plants with big flowers all has apparent synergistic effect.It can be seen that the conjunction of S-metolachlor, flumioxazin and sulfentrazone ternary built
Rationality and feasibility.
Example of formulations:
In following each example of formulations effective component using 98% S-metolachlor TC, 95% sulfentrazone TC and
99.2% flumioxazin TC, each component percentage composition are weight percentage.
Embodiment 1:51% S-metolachlor flumioxazin sulfentrazone (40:1:10) suspoemulsion
40 parts by weight of S-metolachlor, 1.5 parts by weight of emulsifier castor oil polyoxyethylene ether, emulsifier fatty alcohol polyoxy
It is mutually stand-by to be mixed to get oil for 2.5 parts by weight of vinethene.1 parts by weight of flumioxazin, 10 parts by weight of sulfentrazone, wetting agent are poly-
0.5 parts by weight of ethylene oxide oxypropylene block polyethers, 1.5 parts by weight of dispersing agent phosphate, the polymerization of dispersing agent polymeric carboxylic salt
2 parts by weight of object, 0.05 parts by weight of xanthan gum, 0.2 parts by weight of sodium benzoate, 4 parts by weight of ethylene glycol, water are mended to 100, by above group
Divide to be mixed with cutter high speed shear and pass through sand mill and is sanded to obtain mother liquor.During high speed shear mother liquor slowly
Oily phase is added, and continue shearing can be obtained within 20 minutes 51% S-metolachlor flumioxazin sulfentrazone (40:1:
10) suspoemulsion.
Embodiment 2:26% S-metolachlor flumioxazin sulfentrazone (20:1:5) suspoemulsion
20 parts by weight of S-metolachlor, 3.5 parts by weight of emulsifier castor oil polyoxyethylene ether, emulsifier fatty alcohol polyoxy
It is mutually stand-by to be mixed to get oil for 1.8 parts by weight of vinethene.1 parts by weight of flumioxazin, 5 parts by weight of sulfentrazone, wetting agent polyoxy
0.5 parts by weight of ethylene oxypropylene block polyethers, 4.5 parts by weight of dispersing agent phosphate, dispersing agent polymeric carboxylic salt polymer
2.0 parts by weight, 0.2 parts by weight of xanthan gum, 0.2 parts by weight of sodium benzoate, 4 parts by weight of ethylene glycol, water are mended to 100, by above group
Divide to be mixed with cutter high speed shear and pass through sand mill and is sanded to obtain mother liquor.During high speed shear mother liquor slowly
Oily phase is added, and continue shearing can be obtained within 30 minutes 26% S-metolachlor flumioxazin sulfentrazone (20:1:
5) suspoemulsion.
The dispersible oil of embodiment 3:51.5% S-metolachlor flumioxazin sulfentrazone (40:1.5:10) suspends
Agent
40 parts by weight of S-metolachlor, 1.5 parts by weight of flumioxazin, 10 parts by weight of sulfentrazone, emulsifier 12
2.5 parts by weight of alkyl benzene calcium sulfonate, 0.8 parts by weight of dispersing agent alkyl phenol polyether phosphoric acid ester, emulsifier alkylphenol-polyethenoxy
7 parts by weight of oxypropylene block polyethers, 10 parts by weight of emulsifier fatty alcohol polyoxyethylene ether, 0.5 weight of thickener organobentonite
Part is measured, methyl oleate is mended to 100.The above components are sufficiently mixed by formula rate, is sanded, stirred evenly i.e. by sand mill
Obtaining 51% S-metolachlor flumioxazin sulfentrazone (40:1.5:10) can be dispersed oil-suspending agent.
The dispersible oil of embodiment 4:23% S-metolachlor flumioxazin sulfentrazone (15:0.5:7.5) suspends
Agent
15 parts by weight of S-metolachlor, 0.5 parts by weight of flumioxazin, 7.5 parts by weight of sulfentrazone, emulsifier 12
3.8 parts by weight of alkyl benzene calcium sulfonate, 1.5 parts by weight of dispersing agent alkyl phenol polyether phosphoric acid ester, emulsifier alkylphenol-polyethenoxy
8 parts by weight of oxypropylene block polyethers, 6 parts by weight of emulsifier fatty alcohol polyoxyethylene ether, 1.5 weight of thickener organobentonite
Part, methyl oleate is mended to 100.The above components are sufficiently mixed by formula rate, is sanded, stirs evenly by sand mill to obtain the final product
Oil-suspending agent can be dispersed in 23% S-metolachlor flumioxazin sulfentrazone (15:0.5:7.5).
It is raw to survey embodiment 2
S-metolachlor flumioxazin sulfentrazone single dose and compound preparation are raw to sunflower indoor security
Test is tested
Test material cultural method: sunflower (the short major part of the Sheng Youmei state gas-guzzler) seed after presoaking and germinating is distinguished into uniform point
It casts in basin alms bowl (specification 120*105*85cm), then covers the mixed husky fine earth of one layer of 1.0~2.0cm thickness, every basin 10-15 plants or so,
Regular moisturizing with keep 100% soil moisture, hot-house culture, air humidity is 50% or more.It is after planting stand-by for 24 hours, each dose
Soil spraying treatment is carried out for examination weeds under amount, every processing sets 4 repetitions, separately sets blank control.Processing is cultivated in postposition greenhouse,
The periodically moisturizing in a manner of bottom-irrigating keeps soil moisture.Routine observation plant reaction symptom after processing.
21 days sunflower fresh weights after experimental investigation processing, calculate fresh weight inhibition rate,
Fresh weight inhibition rate (%)=control fresh weight-processing fresh weight/control fresh weight * 100.
Test result carries out data processing with Excel, using drug concentration (gai/ha) logarithm as independent variable X, with target
Growth inhibition ratio probability value are dependent variable Y, establish regression equation respectively, are analyzed using DPS software, find out ED10Value, 95% confidence
Limit etc., and with this safety of evaluation test medicament to sunflower.
Table 3: S-metolachlor, flumioxazin and sulfentrazone single dose and compound preparation are to sunflower (Sheng Youmei state
The short major part of gas-guzzler) indoor security test result
According to table 3,1~example of formulations of example of formulations 4 is to the indoor poison of sunflower (the short major part of Sheng Youmei state gas-guzzler)
Power test result, ED10Value be respectively 2561.89gai/ha, 2431.78gai/ha, 2456.28gai/ha and
2383.71gai/ha shows sunflower (the short major part of Sheng Youmei state gas-guzzler) comparatively safe.
Application Example 1: sunflower Weed Control Efficacy is prevented and kill off
Test medicine:
(1) test medicine 1:26% essence isopropyl flumioxazin sulfentrazone (20:1:5) suspoemulsion
(2) the dispersible oil of test medicine 2:51.5% essence isopropyl flumioxazin sulfentrazone (40:1.5:10) suspends
Agent
(3) comparison medicament 1:960g/L S-metolachlor missible oil
(4) comparison medicament 2:50% flumioxazin can wet-milling；
(5) comparison medicament 3:40% sulfentrazone suspending agent
(6)+50% flumioxazin of comparison medicament 4:960g/L S-metolachlor missible oil can wet-milling
(7)+40% sulfentrazone suspending agent of comparison medicament 5:960g/L S-metolachlor missible oil
(8) comparison medicament 6:50% flumioxazin can wet-milling+40% sulfentrazone suspending agent (9) blank control
Test site: its capable Er Fengkai of Arong Banner city, city, Hulun Buir Sandy Land uniformly spreads fertilizer over the fields barnyard grass, horse after site preparation
Tang, herba setariae viridis, black nightshade and small Chenopodiaceae seed are done for trying weeds target.Experimental field Sunflower Varieties are oily certain herbaceous plants with big flowers T562, are sealed before broadcasting rear seedling
Close medication.Test sets 9 processing, 4 repetitions, totally 36 processing cells, every processing plot area 20m2, random district's groups arrangement.
Each medicament is watered 30kg, uniform soil spraying treatment by recommended dose per acre.
Pilot survey method: every cell takes at 4 points at random, every investigation 0.25m2, 21 days weeds are fresh after experimental investigation processing
Weight, calculates fresh weight preventive effect %, and test result is shown in Table 4.
Fresh weight preventive effect (%)=check plot strain fresh weight-treatment region strain fresh weight/check plot strain fresh weight * 100.
Table 4: 21 days various weed control efficacies in sunflower field after medicine
By table 4, [the 26% smart isopropyl flumioxazin methylsulphur of reagent agent 1 known to sunflower field control effectiveness test result
Careless amine (20:1:5) suspoemulsion], dosage is 150-200-250-300 grams/acre, to sunflower Tanaka barnyard grass, herba digitariae, dog tail
Grass, black nightshade, small Chenopodiaceae synthesis fresh weight preventive effect between 81.6~99.2%；[the 51.5% smart isopropyl propine fluorine grass of reagent agent 2
Oil-suspending agent can be dispersed in amine sulfentrazone (40:1.5:10)], dosage is 100-133.3-166.7-200 grams/acre, opposite
Day certain herbaceous plants with big flowers Tanaka barnyard grass, herba digitariae, herba setariae viridis, black nightshade, small Chenopodiaceae synthesis fresh weight preventive effect between 84.4~99.8%, remove reagent agent
1 integrated control effect handled at 150g/ mus is less than comparison medicament 4 and handles outside preventive effect 81.6%, and the weeds of remaining processing are comprehensive anti-
Effect is superior to comparison medicament, and integrated control effect is significant.Do not find there is phytotoxicity to sunflower during the test simultaneously.Thus may be used
See, which is worth promoting and applying in agricultural production.
Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment should fall within the scope of the present invention.
Claims (6)
1. a kind of sunflower field herbicidal composition, it is characterised in that: include S-metolachlor, flumioxazin and methylsulphur grass
Three kinds of effective components of amine, effective component mass ratio are 1-60:0.1-10:1-50.
2. sunflower field herbicidal composition according to claim 1, it is characterised in that: S-metolachlor, propine fluorine
Three kinds of effective component mass ratioes of careless amine and sulfentrazone are 6~50:0.2~5:1~12.
3. sunflower field herbicidal composition according to claim 1, it is characterised in that: S-metolachlor, propine fluorine
Three kinds of effective component mass ratioes of careless amine and sulfentrazone are 10~40:0.5~3:2~10.
4. sunflower field herbicidal composition according to claim 1, it is characterised in that: S-metolachlor, propine fluorine
The mass percent summation of three kinds of effective components of careless amine and sulfentrazone in the composition is 1~80%.
5. sunflower field herbicidal composition according to claim 1, it is characterised in that: S-metolachlor, propine fluorine
The mass percent summation of three kinds of effective components of careless amine and sulfentrazone in the composition is 1~80%.
6. sunflower field herbicidal composition according to claim 1, it is characterised in that: miscellaneous suitable for preventing and kill off sunflower field
Grass.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112088887A (en) * | 2020-10-20 | 2020-12-18 | 吉林省农业科学院 | Cyperaceae crop weeding suspending emulsion and preparation method, application and application method thereof |
| WO2021151143A1 (en) * | 2020-01-28 | 2021-08-05 | Nufarm Australia Limited | Herbicidal emulsion concentrate |
| WO2021175691A1 (en) * | 2020-03-06 | 2021-09-10 | Basf Se | New agrochemical formulations |
-
2018
- 2018-11-26 CN CN201811421550.5A patent/CN109479877A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021151143A1 (en) * | 2020-01-28 | 2021-08-05 | Nufarm Australia Limited | Herbicidal emulsion concentrate |
| WO2021175691A1 (en) * | 2020-03-06 | 2021-09-10 | Basf Se | New agrochemical formulations |
| CN112088887A (en) * | 2020-10-20 | 2020-12-18 | 吉林省农业科学院 | Cyperaceae crop weeding suspending emulsion and preparation method, application and application method thereof |
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