CN106962384B - A kind of Herbicidal combinations and its application containing trifloxysulfuron and amine fresh fat - Google Patents
A kind of Herbicidal combinations and its application containing trifloxysulfuron and amine fresh fat Download PDFInfo
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- CN106962384B CN106962384B CN201710321359.2A CN201710321359A CN106962384B CN 106962384 B CN106962384 B CN 106962384B CN 201710321359 A CN201710321359 A CN 201710321359A CN 106962384 B CN106962384 B CN 106962384B
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- trifloxysulfuron
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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
- A01N47/00—Biocides, 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
- A01N47/08—Biocides, 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
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
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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
- A01N37/12—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, wherein Cn means a carbon skeleton not containing a ring; Thio analogues thereof
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- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
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Abstract
The present invention provides a kind of Herbicidal combinations containing trifloxysulfuron and amine fresh fat and its application, the Herbicidal combinations include trifloxysulfuron and amine fresh fat, wherein the trifloxysulfuron and amine fresh fat weight ratio are 20: 1~2: 1, preferably 10: 1~4: 1, the weight of active component is the 5%~95% of composition total weight, preferably 10%~90%.Herbicidal combinations herbicidal effect provided by the invention is good, broad weed-killing spectrum, can greatly improve the preventive effect to cotton field weed.
Description
Technical field
The present invention relates to pesticide pharmaceutical technology field, in particular to a kind of Herbicidal combination containing trifloxysulfuron and amine fresh fat
Object and application thereof.Meanwhile the present invention relates to one kind prevent and kill off cotton field, sugarcane field, orchard, tea place, mulberry field, sisal hemp garden, in rubber plantation
Difficulty cut weeds and the method for administration of resistant weed.
Background technique
The rhizome of nutgrass flatsedge (convexutricle sedge herb) belongs to Cyperaceae perennial weeds.Tool is long to crawl rhizomes and black and hard oval piece
Stem.Stalk is scattered, uprightly, sharp prismatic.Phyllopodium is raw, shorter than stalk, glossy；Leaf sheath base brown.The rhizome of nutgrass flatsedge (convexutricle sedge herb) with
The more wet farmland of soil, roadside or wasteland are born in stem tuber and seminal propagation, and some cotton fields are aggrieved heavier, are a kind of very difficult
With the weed in cotton field of prevention and treatment, extreme influence can be caused to output of cotton and quality when seriously occurring.
Glyphosate (glyphosate), scientific name are N- (phosphine ester group methyl) amion acetic acid or N- (phosphine ester group methyl) sweet ammonia
Acid is a kind of organic phosphine inner sucting conduction type wide spectrum killing nature herbiciding composition, since entering pesticide market, due to weeds
Preventive effect is significant, the mode of action is novel, to safety of human and livestock the features such as become global Herbicidal combinations sales volume be maximum in the market and remove
Careless composition kind.In recent years, the popularization with anti-Herbicidal combinations genetically modified crops in the world, especially anti-grass are sweet
The large area of phosphine genetically modified crops such as GM Roundup-Ready soyabean, corn etc. is planted, and the demand to glyphosate is even more to have reached one
New height.
But with the long-time service of no-tillage technology, the weeds such as the rhizome of nutgrass flatsedge poor to part glyphosate preventive effect become advantage group
It falls, needs to further increase the dosage of Herbicidal combinations, so that be greatly lowered with the preventive effect of glyphosate, peasant is not in the application
Not increase glyphosate dosage, and it is not only limited to preventive effect increasing action to be significantly increased glyphosate dosage, is even more added significantly to
Agricultural cost and pollution to environment is increased, and is likely to increase the risk of phytotoxicity.Other total weed control groups are used simultaneously
It closes object to be difficult to meet the requirement of no-tillage technology again, such as uses paraquat medicament, though a part of weeds can be killed, but still have big portion
Root is not dead, and sprouts side shoot again.For another example using the medicaments such as glufosinate-ammonium, biggish dosage is on the one hand needed, mu is with cost generation
Valence is very high, and on the other hand the preventive effect on weeds is also not fully up to expectations.
Trifloxysulfuron, the mechanism of action be can inhibit the bioactivity of acetolactate synthestase in weeds (ALS), thus
Kill weeds.Weeds show as stopping growing, sallow, vertex split tissue die, then in death in 1-3 weeks.It can prevent and treat mostly
Number broadleaf weeds and part arbor section weeds to spermacoce latifolia, green amaranth, are led a cow and the rhizome of nutgrass flatsedge etc. has special efficacy.But the agent activity compared with
Height when dosage is larger, can have inhibiting effect to crop growth, have certain influence to succession crop.
Therefore, by researching and developing herbicide composition, difficulty can be killed and removed or resistant weed, while again can be by drug cost
Control is within zone of reasonableness, moreover it is possible to while other weeds are prevented and treated, reach disposable prevention and treatment, and can thoroughly pull up weeds.
Summary of the invention
In order to achieve the goal above, the present invention provides a kind of Herbicidal combinations containing trifloxysulfuron and amine fresh fat.
The Herbicidal combinations are made of trifloxysulfuron, amine fresh fat and auxiliary material.The wherein trifloxysulfuron
Be 20: 1~2: 1, preferably 10: 1~4: 1 with amine fresh fat weight ratio, the weight of active component be composition total weight 5%~
95%, preferably 10%~90%.
Wherein auxiliary material is agriculturally acceptable insecticides adjuvant, or for other to be beneficial to active constituent stable in the formulation
The substance played with drug effect.Auxiliary material can be selected from one or more of filler, dispersing agent, wetting agent, synergist, the auxiliary material
Be conducive to for Herbicidal combinations being processed into environmentally friendly dosage form wettable powder agriculturally.
The filler is mainly used for diluting pesticide original medicine, and effective component is configured to defined concentration, keeps product effective
Consistence of composition, used filler are diatomite, kaolin, white carbon black, precipitated calcium carbonate, clay, attapulgite, activity
One or more of carclazyte.
The dispersing agent refers to the mutual agglutination that can prevent solids in solid-liquid dispersion, makes solia particle in liquid
The long period keeps an evenly dispersed substance in phase, and used dispersing agent is sodium lignin sulfonate and its derivative, naphthalene
Sodium sulfonate formaldehyde condensation products (dispersing agent NNO), alkylnaphthalene sulfonate formaldehyde condensation products, alkylphenol-polyethenoxy base formaldehyde condensation products
One or more of sulfate, polycarboxylate and its derivative.
The wetting agent, which refers to, to be reduced liquid-solid surface tension, increases scalability and penetration of the liquid on solid, it is made
Wetting or the substance for accelerating wetting, it can improve moisture dispersibility, the improvement medical fluid of medicament in water and deal with objects
On plate-out ability, increase medical fluid permeability, be conducive to atomization, the wetting agent used is alkylnaphthalene sulfonate, Nekal BX (butyl
Sodium naphthalene sulfonate), octyl phenol polyoxyethylene ether, neopelex, lauryl sodium sulfate, in sodium laureth sulfate
It is one or more of.
The synergist can increase infiltration of the preparation medical fluid on target weeds and stick together performance, to accelerate weeds
Death cycle improves the effect of weeding, and selected synergist is fatty alcohol polyoxyethylene ether (JFC), span80, azone seep
One or more of saturating agent.
Routine techniques can be used in Herbicidal combinations of the present invention, is prepared into existing regular dosage form, wherein being preferably
Wettable powder, soluble powder, soluble granula, water dispersible granules and big granula.
Invention also provides a kind of method of administration of Herbicidal combinations, the method for administration is by Herbicidal combinations
After dilution, in crop-planting emergence rear defence except target grows vigorous period, weeds cauline leaf is uniformly sprayed on using spray-on process；Or
After planting, mode spraying in the ranks is taken to spray.Per hectare is 250-350g using the amount of active component, preferably
280~300g.
Wherein, Herbicidal combinations dilution is referred to: above-mentioned Herbicidal combinations are soluble in water, contain in the water of every 15kg
The trifloxysulfuron of 40~4g and the amine fresh fat of 20-0.2g, it is preferred that the trifluoro pyridine sulphur in the water of every 15kg containing 30~10g
Grand and 10-1g amine fresh fat；It is furthermore preferred that the amine fresh fat of trifloxysulfuron and 5-2g in the water of every 15kg containing 25~15g；
Most preferably, in the water of every 15kg the trifloxysulfuron containing 20g and 3g amine fresh fat；
In above-mentioned dilution, other auxiliary materials can be helped to be formed with addition auxiliary agent organosilicon 10ml in every 15kg uniform
Emulsion.
Beneficial effect
Amine fresh fat in the prior art can promote plant growth, cell differentiation etc., have as plant growth regulator
Slow down the effect of Herbicidal combinations phytotoxicity, is as a kind of pesticide or Herbicidal combinations by amine fresh fat in general understanding
Inorganic agent is subject to using effect is to reduce the effect or residual of Herbicidal combinations, plays negative interaction.And the application
Applicant is found surprisingly that in specific production practices, and amine fresh fat and trifloxysulfuron are combined use, instead may be used
It is the facilitation effect for playing a kind of enhancing to promote the herbicidal effect of trifloxysulfuron, this is and usual think of in the prior art
What dimension was disagreed, it is equivalent to and overcomes a kind of technology prejudice.And applicant in specific experiment it has also been found that only trifluoro pyridine sulphur
It is grand to play the role of this, and other some conventional Herbicidal combinations with amine fresh fat combination, such as: pyrithiobac-sodium,
Quizalotop-ethyl, haloxyfop-r-methyl, amicarbazone etc. are all similar as a result, amine fresh fat has all embodied inhibition without occurring
The effect of Herbicidal combinations.
The present invention compared with prior art, has the advantage that
1, broad weed-killing spectrum, activity of weeding are high
The effect that composition prevents and kill off the rhizome of nutgrass flatsedge is ideal, simultaneously can be used for cotton field, sugarcane field, orchard, tea place, mulberry field, sword
Other difficulty weeds and resistant weed in numb garden, rubber plantation are prevented and kill off.Herbicide effect is substantially better than trifloxysulfuron single dose, energy
Thoroughly kill weeds plant, the especially excellent results to root.Two kinds of combination of active principles generate synergistic function, effectively
Improve degrass spectrum and preventive effect.
2, crop safety is high
The effective component that the present invention selects is efficient or ultra high efficiency, low toxicity, environmental-friendly weeding drug, the production after compounding
Product show safe to there is farm-forestry crop through a large number of experiments and application.It is compounded by combination, reduces the dosage of trifloxysulfuron,
It avoids pesticide salt and largely uses growth inhibition effect to crop.
3, the complementation of action characteristic
Herbicidal effect is good, broad weed-killing spectrum, tests prove that, trifloxysulfuron is rationally compounded with amine fresh fat, is had very
Apparent synergistic effect, can greatly improve the preventive effect to cotton field weed, and experiment shows the present composition
Gramineae weed, broadleaf weeds and the sedge weed that cotton field mainly occurs have significant preventive effect and single dose
Using comparing, hence it is evident that improve herbicidal effect, and expand degrass spectrum.
Specific embodiment:
In order to make the objectives, technical solutions, and advantages of the present invention clearer, present invention following specific embodiments
It is illustrated, but the present invention is limited to absolutely not these examples.The following is only the preferred embodiment of the present invention, is used only for explaining
The present invention, it cannot be construed as a limitation to the scope of the present invention.It should be pointed out that all in spirit of the invention
Any modifications, equivalent replacements, and improvements etc. with being done within principle, should all be included in the protection scope of the present invention..
Embodiment 1
A kind of Herbicidal combinations are made of trifloxysulfuron, amine fresh fat and auxiliary material.Wherein the trifloxysulfuron with
Amine fresh fat weight ratio is 10: 1, and the weight of active component is the 90% of composition total weight, and it is 1: 1: 1: 1 that wherein auxiliary material, which is weight,
Filler, dispersing agent, wetting agent, in synergist, the filler is diatomite；The dispersing agent is naphthalenesulfonic acid-formaldehyde condensate
(dispersing agent NNO)；The wetting agent is lauryl sodium sulfate；The synergist fatty alcohol polyoxyethylene ether (JFC).It will be above-mentioned
Several ingredients are sufficiently mixed, and are prepared into wettable powder using conventional production process.Accurately weigh the above-mentioned powder prepared of 50g
Agent is substantially dissolved in the 15kg water containing 10ml organosilicon.
In mid or late May, cotton 5-6 piece leaf, the Herbicidal combinations for taking above-mentioned dilution good use work according to per hectare
Property component amount be 250g ratio spray, artificial backpack sprayer even spraying rhizome of nutgrass flatsedge cauline leaf, it is ensured that cauline leaf can uniformly
Medicine.After 10 days, overground part cauline leaf turns yellow, becomes withered, and preventive effect reaches 95% or more, and underground part rhizome reaches 70% or more.In addition, cotton
Flower young leaves occasionally has chlorosis, can turn within 20 days or so green, to regain the function.
Embodiment 2
It is identical as the method for embodiment 1, but the Herbicidal combinations used be trifloxysulfuron single dose or amine fresh fat single dose,
Other parameters are same as Example 1.
Drug effect identifies embodiment
Cell efficiency test, trifloxysulfuron have been carried out to trifloxysulfuron single dose, amine fresh fat single dose and its various combination
Setting dosage is 16g-26g/ mus, gradient 2g；Amine fresh fat setting dosage is 0.5g-3.5g/ mus, gradient 0.5g；According to three
The grand single dose test result of fluorine pyridine sulphur, in the combination of trifloxysulfuron+amine fresh fat, the basic dose of trifloxysulfuron is set as
20g/ mus, for amine fresh fat from 0.5g/ mus -5.0g/ mus, the gradient of amine fresh fat is 0.5g, calculates weeds strain preventive effect, the meter of specific preventive effect
Calculate formula are as follows:
Specific preventive effect is shown in Table 1:
1 trifloxysulfuron single dose of table, amine fresh fat single dose and its compound preventive effect
It is seen from the above data that simple, using trifloxysulfuron, the effect is unsatisfactory, with usage amount by
In the case where gradually increasing, since Herbicidal combinations activity is higher, when dosage is larger, there can be inhibiting effect to crop growth, it is right
Crop has certain influence, and when usage amount is 20g/ mus, cotton leaf starts to have chlorosis phenomenon；When usage amount is 22g/ mus
When, cotton starts phytotoxicity occur；When usage amount is 24 even 26g/ mus, the phytotoxicity of cotton is further deepened, and occurs crossing still
Too late phenomenon.
Simple is worse using the effect of amine fresh fat, because amine fresh fat is a kind of high energy plant growth regulator.Its work
With being the activity for improving plant peroxidases and nitrate reductase, the content for improving chlorophyll accelerates photosynthetic speed, promotes to plant
The division and elongation of object cell, promote the development of root system, adjust the balance of internal nutrient.Therefore its herbicidal effect can neglect substantially
Slightly disregard.
But in trifloxysulfuron+amine fresh fat mixture, it is apparent that amine fresh fat effectively promotes trifluoro pyridine
Sulphur is grand to be absorbed and utilized, as the dosage of amine fresh fat is from 0.5-3.5g/ mus of increase, especially between 2.5-3.5g/ mus, three
The grand effect of fluorine pyridine sulphur is gradually reinforced, and the underground part rhizome browning of weeds becomes rotten up to 70% or more.When amine fresh fat dosage from
3.5g/ mus increase to 5g/ mus of increase, although increasing the dosage of amine fresh fat, there is no apparent differences for effect, consider
To cost factor, there is apparent edge effect in the dosage for increasing amine fresh fat.
Embodiment 3
It is identical as the method for embodiment 1, but the Herbicidal combinations used are thifensulfuronmethyl (sulfonylurea) and amine fresh fat weight
For amount than being 10: 1, other parameters are same as Example 1.
Embodiment 4
It is identical as the method for embodiment 1, but the Herbicidal combinations used are clethodim (cyclohexenone analog) and amine fresh fat weight
For amount than being 10: 1, other parameters are same as Example 1.
Embodiment 5
It is identical as the method for embodiment 1, but the Herbicidal combinations used are prometryn (triazines) and amine fresh fat weight ratio
It is 10: 1, other parameters are same as Example 1.
Embodiment 6
It is identical as the method for embodiment 1, but the Herbicidal combinations used are Oxyfluorfen (diphenyl ether) and amine fresh fat
Weight ratio is 10: 1, and other parameters are same as Example 1.
Drug effect identifies embodiment
In mid or late May, cotton 5-6 piece leaf, the Herbicidal combination that takes above-described embodiment 1,3-6 to prepare and diluted
Object is sprayed according to per hectare using the ratio that the amount of active component is 250g, artificial backpack sprayer even spraying rhizoma cyperi blastostyle
Leaf, it is ensured that cauline leaf can uniformly medicine.Soil property is loam, and main weeds are the rhizome of nutgrass flatsedge, Horseweed Herb, purslane.5 processing are set altogether,
4 repetitions of every processing, totally 20 processing cells, random district's groups arrange, every plot area 20m2。
It after chemicals treatment, detects by an unaided eye within the 36th day and investigates the growth conditions of weeds, calculate each processing with Gowing method
Theoretical fresh weight inhibition rate (the E of hybrid combining0=X+Y-XY/100), X: the Weed-control effect of A when dosage is P；Y: B when dosage is Q
Weed-control effect；E0: the theoretical preventive effect of A+B when for dosage being (P+Q)；Then it compared with the actual measurement inhibiting rate E of each processing, comments
The mixed synergy type to weeds of both valences.E-E0It is synergistic effect that value, which is greater than 10%, and being less than -10% is antagonism,
It is between -10%~10% addition (data are shown in Table 2).
The field efficacy experimental result of 2 different components of table
After trifloxysulfuron is mixed with amine fresh fat as can be seen from the above table, to the rhizome of nutgrass flatsedge, Horseweed Herb, purslane preventive effect all
Tend to improve, after trifloxysulfuron and the amine fresh fat mixture calculated by Gowing method, uses the practical preventive effect and theory of combination with
The difference E-E0 value of preventive effect is both greater than 10%, thus illustrates the synergy of trifloxysulfuron and amine fresh fat mixture to weed in cotton field
Belong to notable synergistic effect, and due to amine fresh fat pass through frequently as a kind of pesticide or Herbicidal combinations inorganic agent be subject to using,
It is the effect or residual for reducing Herbicidal combinations that it, which is acted on, plays negative interaction, therefore above-mentioned other compatibilities are instead
There is apparent antagonism or inhibiting effect.
Cotton field security authentication embodiment
Eight experimental plots are chosen, the Cotton growth in experimental plot is good and without other pest and disease damages.
Respectively according to the embodiment of the present invention 1, the compound weeding composition of 3-6 and dilution after, experimental plot is sprayed, In
Whether the growing state of observation crop, have phytotoxicity to investigate medicament to crop, the results are shown in Table 3 in 1-15 days.
Table 3: the pharmacy security table of comparisons
It was found from the data of table 3: using compound weeding composition of the invention, cotton seedling growing way is good, also has no and appoints
What medicine spot, illustrates that compound weeding composition is safe and harmless to cotton, and good to cotton and succession crop safety.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of method for preventing and kill off undesirable plant or it is inhibited to grow, to undesirable plant or place that they are grown
Herbicidal combinations are applied in a manner of becoming cooperative effective quantity, to prevent and kill off undesirable plant or inhibit its growth；
The active ingredient of the Herbicidal combinations is trifloxysulfuron and amine fresh fat, wherein the trifloxysulfuron and amine fresh fat
Weight ratio is 10: 1~4: 1, and the weight of active component is the 10%~90% of composition total weight, remaining is auxiliary material；Described group
The auxiliary material closed in object is selected from one or more of filler, dispersing agent, wetting agent, synergist, and the auxiliary material is conducive to weeding
Composition is processed into environmentally friendly dosage form wettable powder agriculturally；
Wherein the method is specially after diluting Herbicidal combinations, when crop-planting emergence rear defence is vigorous except target growth
Phase is uniformly sprayed on weeds cauline leaf using spray-on process；Or after planting, mode spraying in the ranks is taken to spray, every public affairs
It just the use of the amount of active component is 280~300g；
The undesirable plant is the rhizome of nutgrass flatsedge.
2. a kind of purposes of Herbicidal combinations, characterized in that for preventing and kill off weeds in farmland, the weeds are the rhizome ofs nutgrass flatsedge, institute
It states Herbicidal combinations to be made of trifloxysulfuron and amine fresh fat and auxiliary material, wherein the trifloxysulfuron and amine fresh fat weight
Than being 10: 1~4: 1, the weight of active component is the 10%~90% of composition total weight, remaining is auxiliary material.
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