CN107232192A - A kind of composition for Weed Control in Zero-tillage field weed - Google Patents

A kind of composition for Weed Control in Zero-tillage field weed Download PDF

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Publication number
CN107232192A
CN107232192A CN201710558703.XA CN201710558703A CN107232192A CN 107232192 A CN107232192 A CN 107232192A CN 201710558703 A CN201710558703 A CN 201710558703A CN 107232192 A CN107232192 A CN 107232192A
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weed
composition
quizalotop
ethyl
zero
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黄自云
吴电亮
张建邦
陈金红
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ANHUI ZHONGBANG BIOLOGICAL ENGINEERING Co Ltd
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ANHUI ZHONGBANG BIOLOGICAL ENGINEERING Co Ltd
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Priority to CN201710558703.XA priority Critical patent/CN107232192A/en
Publication of CN107232192A publication Critical patent/CN107232192A/en
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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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
    • 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
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
    • 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
    • A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
    • A01N43/60—1,4-Diazines; Hydrogenated 1,4-diazines
    • 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
    • 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
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/18—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds
    • A01N57/20—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-carbon bonds containing acyclic or cycloaliphatic radicals

Abstract

The present invention discloses a kind of composition for Weed Control in Zero-tillage field weed, the active princlple of the composition is made up of ammonium glyphosate, Quizalotop-ethyl and trifloxysulfuron sodium, and the mass ratio of the ammonium glyphosate, Quizalotop-ethyl and trifloxysulfuron sodium is 10~80: 1~5: 1~5.Said composition is used for Weed Control in Zero-tillage field, annual grassy weeds, has obvious synergistic effect after the advantage is that compounding, expands herbicide controlling spectrum, improve weeding speed, significantly reduce the usage amount and access times of herbicide.

Description

A kind of composition for Weed Control in Zero-tillage field weed
Technical field
The invention belongs to pesticide herbicide technical field, and in particular to a kind of composition for Weed Control in Zero-tillage field weed.
Background technology
For soil protection, water and environment, no-tillage technology has obtained quick development, and time saving and energy saving.It is no-tillage to refer to remove Outside sowing or injection fertilizer, soil is no longer stirred.Fertilizer can simultaneously be carried out with sowing, can also be carried out before broadcasting or after emerging, In being manured into soil, it can also spread fertilizer over the fields in earth's surface.But it is not carried out in process management after weeding by machine and intertillage, harvest to make Thing residue stays in the earth's surface preventing and treating soil erosion.But also summed up during practical experience " no-tillage not weeding, it is white equal to blind Do ".It can be seen that the weeding in no-tillage field is the key of no-tillage water saving Fertilization.
Ammonium glyphosate, i.e. N- (phosphine carboxymerhyl)-glycine ammonium salt or N- ((phosphonomethyl)) glycine ammonium salt, are interior suction Conduction type steriland herbicide, mainly by suppressing enolpyruvyl shikimene phosphate synthase in plant, so as to suppress big Careless element makes the synthesis of protein be interfered, causes Plant death to the conversion of phenylalanine, tyrosine and tryptophan.In it Inhale conductibility strong, under ground portion can not only be transmitted to by cauline leaf, and can also be passed between the different tillers of same plant Lead, also have certain preventive effect to perennial deep root weeds.Ammonium glyphosate can be used for corn, cotton, Soybean Field and no-tillage Life in 1 year and perennial grass family, Cyperaceae, broad leaved weed, algae, fern and miscellaneous bushes are prevented and kill off in field, to cogongrass, the rhizome of nutgrass flatsedge, The preventive effect of the malignant weeds such as dog tooth cotton is also fine, thus is widely used in forest, rubber plantation, orchard, tea place, mulberry field, sugarcane field, agriculture Field and railway, airport, warehouse, oil depot are nearby and the weeding in terms of the renewal of pasture.
Quizalotop-ethyl is benzene oxygen herbicide of aliphatic acid, is selective inner sucting conduction type cauline leaf process agent.Medicament is in grass There is high selectivity between section weeds and dicotyledonous crops, cauline leaf can complete the absorption to medicament, annual grassy weeds within a few houres Complete stool can be spread all in 24h.Suitable for cotton, soybean, rape, peanut, flax, apple, grape, beet and a variety of wide leaf vegetables Crop field prevents and kill off monocotyledon weed.When improving dosage, also there is effect to perennial weeds such as Bermuda grass, cogongrass, reeds.Such as prevent and kill off Cotton field grassy weed, in 3~5 leaf phase dispensers, with 10% 7.5~10.5mL/100m of missible oil2, water cauline leaf is sprayed；Preventing and treating is big Beans field annual gramineous weed, in 3~5 leaf phase dispensers, with 10% 9~15mL/100m of missible oil2, it is uniform to 6~7.5kg of water Spraying；Controlling Weeds in Rape Fields field amur foxtail, all sprouts in weeds, in leaflet or medication when having a leaflet, with 10% missible oil 5.3~ 7.5mL/100m2；Raw grassy weed on 4~6 leaf phase reams is prevented and kill off, with 10% 20~30mL/100m of missible oil2.In single, double leaf The mixed raw field of weeds, can every other day arrange in pairs or groups with preventing and kill off the herbicide (phenmedipham, prowers, broad-leaved are withered, weeds are burnt) of broad leaved weed and use, Or with 10% missible oil 7.5mL/100m2, plus the withered missible oil of 45% broad-leaved or 48% Bentazon liquor 20mL be mixed.It can also be used for dry land Post-emergence herbicide, it is adaptable to which it is miscellaneous that grass family is prevented and kill off in the broad leaf crop such as soybean, peanut, cotton, potato, mung bean, watermelon, rape field Grass.
Trifloxysulfuron is to belong to sulfonylurea herbicide, can be absorbed after dispenser by the root, stem, leaf of weeds, can be in plant Downwardly and upwardly conduct in vivo, by suppressing acetolactate synthestase (ALS) activity, so as to influence branched-chain amino acid (such as:It is bright Propylhomoserin, isoleucine, valine etc.) biosynthesis.Growing point necrosis, vein chlorosis, plant life are shown as after hazard of plant Long heavily suppressed, dwarfing, final complete stool is withered.Trifloxysulfuron is to the selectivity of weeds and crop mainly due to degraded The difference of metabolism.It can be inactive material by rapid metabolization in cotton and sugarcane body, so that crop plant is from wound Evil.It is mainly used in preventing and kill off broad leaved weed and sedge weed.To sowthistle (sonchus oleraceus), lamb's-quarters (grey dish), small lamb's-quarters, chenopodium glaucum linn, horse Bitterroot, Amaranthus retroflexus, concave head amaranth, amaranthus, field thistle, thorn bud fruit, artemisiifolia, beggar-ticks, big dragon's paw, water peanut, sarson, Tian Xuan Flower, ivy glorybind, Siberian cocklebur, sweet wine intestines (Eclipta prostrata), sesbania, Ageratum conyzoides, plumage awns chrysanthemum, Brachiaria Griseb, root of Beijing euphorbia, Vat slurries careless (sour mew) etc. are wealthy Leaf weeds have good preventive effect；There is special efficacy to the rhizome of nutgrass flatsedge (convexutricle sedge herb)；To lady's-grass, non-irrigated barnyard grass, eleusine indica, green bristlegrass, vacation The grassy weed preventive effect such as sorghum is poor.
The herbicide of the different type of action of above-mentioned three kinds, though there is certain herbicidal effect, all has certain office It is sex-limited, it is difficult to meet the production requirement in no-tillage field.
The content of the invention
The problem of existing for prior art, it is an object of the invention to provide a kind of synergistic effect significantly, broad weed-killing spectrum, The fireballing composition for Weed Control in Zero-tillage field weed of weeding.
To achieve the above object, a kind of composition for Weed Control in Zero-tillage field weed that the present invention is provided, the composition Active princlple be made up of ammonium glyphosate, Quizalotop-ethyl and trifloxysulfuron sodium, the ammonium glyphosate, Quizalotop-ethyl Mass ratio with trifloxysulfuron sodium is 10~80: 1~5: 1~5.
Further scheme, in addition to synergist, the ammonium glyphosate, Quizalotop-ethyl, trifloxysulfuron sodium and synergy The mass ratio of agent is 10~80: 1~5: 1~5：1~5.
Further scheme, the ammonium glyphosate, Quizalotop-ethyl, the mass ratio of trifloxysulfuron sodium and synergist are 70： 2：2：4.
Further scheme, the synergist is organosilicon, cyclohexanedione or pyrrolidones.
Further scheme, the formulation of the composition is aqua, aqueous emulsion, microemulsion, wettable powder, water-dispersible grain Agent, dispersible oil-suspending agent, soluble powder or soluble granula.
Organosilicon refers to containing Si-O keys, and at least one organic group is the compound being directly connected with silicon atom.Have Machine silicon has unique structure：C-H is nonpolarity, makes intermolecular interaction very faint；Si-O bond distance is longer, Si-O-Si Key bond angle is big；Si-O keys are the covalent bonds with 50% ionic bond feature (covalent bond has directionality, and ionic bond is non-directional). Due to the unique structure of organosilicon, inorganic material and the performance of organic material are had both, with surface tension is low, viscosity-temperature coefficient Surface small, that agricultural chemicals can be promoted to soak, penetrate into plant rapidly, makes the effect of agricultural chemicals perform to maximum effectiveness, and extension medicament Action time.
Cyclohexanedione, pyrrolidones and organic silicon can be obviously improved grass sweet like being all to act on the synergist on herbicide Phosphine ammonium salt, the wetting of Quizalotop-ethyl and trifloxysulfuron sodium, spread, it is scattered, be detained and permeance property, reduce spray liquor with Wind (air-flow) drifts about, and prevents or mitigates the infringement to neighbouring sensitive crop etc., sprawls and stick on blade face beneficial to decoction, reduces Decomposition of the ultraviolet to active ingredient in pesticidal preparations, reaches the extension drug effect term of validity, improves its bioactivity；And make or weaken The anti-poisoning effect of removing toxic substances of the target weeds to pesticide activity, delays accretion rate of the medicament in controlling object, so as to increase life Thing preventive effect.
The Herbicidal combinations of the present invention, can add agriculturally acceptable surfactant and carrier, be made into solvable grain Agent, wettable powder, suspending agent or microemulsion etc..Wherein surfactant is APES, fatty alcohol polyoxy second Alkene ether, phenethyl phenol polyethenoxy ether, phenethyl phenol polyoxyethylene poly-oxygen propylene aether, castor oil ethylene oxide adduct, alkyl Phenol polyethenoxy ether formaldehyde condensation products, APES phosphate, phenethyl phenol polyethenoxy ether phosphate, benzylphenol APEO, polyoxyethylene carboxylate, calcium dodecyl benzene sulfonate, neopelex, lignosulfonates, NNO, NO, MF, ZS -1, lauryl sodium sulfate, pull open powder, N- Methyl fatty acyl taurines sodium, alkylphenol-polyethenoxy Ether formaldehyde condensation products sulfate, tea seed cake powder, saponin, lignosulfite, aliphatic alcohol sulfate, penetrant t, bleeding agent OT, JFC, fatty acid amide-N-N-methyltaurine sodium salt, sodium sulfate of polyethenoxy ether of fatty alcohol, pull open powder etc..
Carrier is divided into solid carrier and solvent, and solid carrier has bentonite, White Carbon black, kaolin, precipitated calcium carbonate, sulfuric acid Sodium, ammonium sulfate, diatomite, starch, clay etc.；Solvent have toluene, dimethylbenzene, chlorobenzene, solvent naphtha, α-methyl naphthalene, turpentine oil, Dichloromethane, chloroform, methanol, ethanol, glycerine, ethylene glycol, butanol, isoamyl alcohol, propane diols, cyclohexanone, isophorone, Acetophenone, ethyl acetate, propyl acetate, butyl acetate, DMF, DMSO, cellosolve etc., it is above-mentioned to can be used alone, also can two kinds with Upper compound use.
Any of the above auxiliary agent or carrier are commercially available.
The processing technology and equipment of various preparations are, it is known that such as in the present composition：
Aqueous emulsion is that the liquid pesticidal active compound being mixed to prepare by liquid or with solvent is disperseed with 0.5-1.5 microns of droplet Preparation in water, outward appearance is milky milk shape liquid.That active ingredient is dissolved in solvent, then add emulsifying agent, The stirring such as dispersant, antifreeze is formed.
The processing of wettable powder is to mix pesticide activity component, auxiliary agent, filler in proportion to mix again after air-flow crushing Close and wettable powder is made；Capital equipment has mixer, airslide disintegrating mill.
The processing of water dispersible granules is to mix pesticide activity component, auxiliary agent, filler in proportion to pass through again after air-flow crushing Granulating agent carries out granulation and water dispersible granules is made；Capital equipment has mixer, airslide disintegrating mill, granulating agent etc..
The present composition can be applied by commonsense method, and cauline leaf process is made in the spraying that such as adds water, and also can directly be spread fertilizer over the fields.This hair Bright amount of application changes with weather condition and crop condition, to reach can prevent and treat purpose by using appropriate formulation.
The beneficial effects of the invention are as follows：
(1) present invention in active princlple ammonium glyphosate, Quizalotop-ethyl and trifloxysulfuron sodium herbicide effect mechanism Difference, can be significantly expanded except carelessly composing, expand the scope of application, herbicidal effect is significantly increased than single dose, reduce residual, favorably In potential threat of the mitigation agricultural chemicals to environment.
(2) present composition can significantly improve its wetting, spread, scattered, delay and infiltration in weeding process Performance, reducing spray liquor, (air-flow) drifts about with the wind, prevents or mitigates the infringement to neighbouring sensitive crop etc., beneficial to decoction in leaf Face is sprawled and sticked, reduces decomposition of the ultraviolet to active ingredient in pesticidal preparations, reaches the extension drug effect term of validity, improves its life Thing activity；And the anti-poisoning effect of removing toxic substances of the target weeds to pesticide activity is made or weakens, delay generation of the medicament in controlling object Thank to speed, so as to increase biological preventive effect.
(3) present composition has obvious synergistic effect under specific conditions of mixture ratios, improves weeding speed, significantly Herbicide access times are reduced, realizes and saves manpower and save cost, meet the production requirement in no-tillage field.
Embodiment
The present invention is further illustrated with the specific embodiment of several different dosage forms below.But the present invention is only limitted to absolutely not this A little examples.Percentage is mass fraction in all formulas.
First, form formula example：
2nd, indoor biological determination of activity：
Below by way of ammonium glyphosate, Quizalotop-ethyl, trifloxysulfuron sodium and silicon composition herbicide to no-tillage The reasonability of formula is verified in the determination of activity of field weed indoor biological.
In the present composition, ammonium glyphosate (98% active compound) is produced by Anhui Huaxing Chemical Co., Ltd., essence By Anhui, easily agriculture limited company produces quizalofop-ethyl (95% active compound) long, and trifloxysulfuron sodium (90% active compound) Switzerland is first Crop protection Co., Ltd is just reached, organosilicon is produced by Shanghai Hui Jin Chemical trades Co., Ltd.
Test method is to use greenhouse pot culture method, quantitative weeds (per 40 plants of basin) is sowed in basin, after weeds are unearthed When length is to the 2-4 leaf phases, cauline leaf spraying treatment is carried out with spraying machine, is placed on after processing after 6 hours in greenhouse and continues to cultivate observation, The preventive effect to weeds is investigated after 15 days.Investigation method uses absolute value investigation method, first investigates the fresh weight of the remaining weeds per basin, The fresh weight preventive effect of each processing is calculated by following equation again：E is fresh weight preventive effect in E=(C-T)/C × 100%, formula, and C is miscellaneous to compare Careless fresh weight, T is processing weeds fresh weight.Then the co-toxicity effect to weeds is detected to weeds activity with Colby methods, pressed Colby methods, work as E0-E>10% is synergistic effect；Work as E0-E<- 10% is antagonism；As -10%≤E0- E≤10% is addition Effect.
Table 1：Herbicidal composition acts on (spray-on process) to the co-toxicity of total weed
Note：Proportioning is weight ratio in upper table 1.
From upper table can, the E of ammonium glyphosate, Quizalotop-ethyl and trifloxysulfuron sodium composition0- E values 25.53~ Between 36.93, synergy type is synergistic effect, with ammonium glyphosate, Quizalotop-ethyl, trifloxysulfuron sodium, organosilicon Weight ratio be 70：2：2：The effect of 4 soluble powders prepared is most obvious, E0- E values 36.93.
3rd, test examples：
1st, for examination object：For annual grassy weeds in bare place field for many years, weeds are more and careless mutually complex, such as horse Tang, green bristlegrass, Amaranthus retroflexus, acalypha copperleaf, Descurainia sophia, chenopodium glaucum linn, purslane, lamb's-quarters, datura, polygonum flaccidum, black nightshade etc..
Test medicine：The Chinese medicine of embodiment 2：74% soluble granula (the Quizalotop-ethyl of 70% ammonium glyphosate 2% The organosilicon of 2% trifloxysulfuron sodium 4%) (our company's production)；
Comparison medicament：88.8% soluble granule of glyhosate ammonium (Anhui Huaxing Chemical Co., Ltd.)；
10% Quizalotop-ethyl missible oil (Jiangsu bio tech ltd green for a long time)；
The dispersible oil-suspending agent of 11% trifloxysulfuron sodium (Shanghai Lvze Bio-technology Co., Ltd.).
Spraying time and method：Then dispenser on April 10 in 2016 is tested, at that time the heart stage of 3~5 leaf of weeds one, routinely Every mu of preparating liquid 50KG is sprayed, calm sunny during dispenser, non-within 8 hours after dispenser to see there is rainfall.
Control time and number of times：Weeds radix is investigated before dispenser, 5 after dispenser, 7 days observation treatment region grass cutting blade colors, Upgrowth situation.(on April 20th, 2016), 30 days (on May 10th, 2016) be with investigating strain preventive effect and weeds respectively 10 days after dispenser Top fresh weight.
Investigation method：Using 5 point samplings, each cell random selection 5 points of investigation, every area 0.25m2, dispenser After 10 days investigate total weed strain number, after 30 days simultaneously investigate total weed strain number and overground part fresh weight, calculate decline rate and Anti-efficiency, it is as shown in table 2 below.
Drug effect computational methods are as follows：
CK represents that clear water is compareed in above formula.
Table 2：Weed Control in Zero-tillage field total weed preventive effect table
Interpretation of result：74% soluble granula is to non-cultivated land total weed preventive effect effect, and the preventive effect highest after 30 days averagely subtracts The rate of moving back is up to 94.72%, and it is 98.60% averagely to prevent and kill off rate.The average decline rate of 88.8% soluble granule of glyhosate ammonium 85.05%, it is 83.29% averagely to prevent and kill off rate.And 10% Quizalotop-ethyl missible oil and the dispersible oil of 11% trifloxysulfuron sodium are outstanding The average decline rate of floating agent is only 68.03%, 52.69%, and both averagely prevent and kill off rate difference 62.60%, 52.71%.Illustrate this In invention 74% soluble granula to no-tillage field total weed prevention effect apparently higher than ammonium glyphosate, Quizalotop-ethyl, trifluoro pyridine The grand sodium salt single dose effect of sulphur, therefore with preferable popularizing application prospect.
2nd, for examination object：For annual grassy weeds in bare place field for many years, weeds are more and careless mutually complex, such as horse Tang, green bristlegrass, Amaranthus retroflexus, acalypha copperleaf, Descurainia sophia, chenopodium glaucum linn, purslane, lamb's-quarters, datura, polygonum flaccidum, black nightshade etc..
Test medicine：The Chinese medicine of embodiment 4：82% wettable powder (the Quizalotop-ethyl of 75% ammonium glyphosate 3% The organosilicon of 4% trifloxysulfuron sodium 4%) (our company's production)；
Comparison medicament：88.8% soluble granule of glyhosate ammonium (Anhui Huaxing Chemical Co., Ltd.)；
10% Quizalotop-ethyl missible oil (Jiangsu bio tech ltd green for a long time)；
The dispersible oil-suspending agent of 11% trifloxysulfuron sodium (Shanghai Lvze Bio-technology Co., Ltd.).
Spraying time and method：Then dispenser on April 10 in 2016 is tested, at that time the heart stage of 3~5 leaf of weeds one, routinely Every mu of preparating liquid 50KG is sprayed, calm sunny during dispenser, non-within 8 hours after dispenser to see there is rainfall.
Control time and number of times：Weeds radix is investigated before dispenser, 5 after dispenser, 7 days observation treatment region grass cutting blade colors, Upgrowth situation.(on April 20th, 2016), 30 days (on May 10th, 2016) be with investigating strain preventive effect and weeds respectively 10 days after dispenser Top fresh weight.
Investigation method：Using 5 point samplings, each cell random selection 5 points of investigation, every area 0.25m2, dispenser After 10 days investigate total weed strain number, after 30 days simultaneously investigate total weed strain number and overground part fresh weight, calculate decline rate and Anti-efficiency.It is specific as shown in table 3.
Drug effect computational methods are as follows：
CK represents that clear water is compareed in above formula.
Table 3：Weed Control in Zero-tillage field total weed preventive effect table
Interpretation of result：82% wettable powder is to no-tillage field total weed preventive effect effect, and preventive effect highest of the medicine after 30 days is average Decline rate is up to 96.66%, and it is 97.73% averagely to prevent and kill off rate.The average decline rate of 88.8% soluble granule of glyhosate ammonium 82.76%, it is 83.67% averagely to prevent and kill off rate.10% Quizalotop-ethyl missible oil and the dispersible oil of 11% trifloxysulfuron sodium suspend The average decline rate of agent is only 62.96,52.72%, and both averagely prevent and kill off rate difference 63.93%, 53.27%.Illustrate that 82% can WP is to no-tillage field total weed prevention effect apparently higher than ammonium glyphosate, Quizalotop-ethyl, trifloxysulfuron sodium single dose Effect, therefore with preferable popularizing application prospect.
3rd, for examination object：For annual grassy weeds in bare place field for many years, weeds are more and careless mutually complex, such as horse Tang, green bristlegrass, Amaranthus retroflexus, acalypha copperleaf, Descurainia sophia, chenopodium glaucum linn, purslane, lamb's-quarters, datura, polygonum flaccidum, black nightshade etc..
Test medicine：The Chinese medicine of embodiment 5：75.7% dispersible granula (the smart quinoline standing grain of 68.7% ammonium glyphosate 4% The clever cyclohexanedione of 3% trifloxysulfuron sodium 2% (our company's production)；
Comparison medicament：88.8% soluble granule of glyhosate ammonium (Anhui Huaxing Chemical Co., Ltd.)；
10% Quizalotop-ethyl missible oil (Jiangsu bio tech ltd green for a long time)；
The dispersible oil-suspending agent of 11% trifloxysulfuron sodium (Shanghai Lvze Bio-technology Co., Ltd.).
Spraying time and method：Then dispenser on April 10 in 2016 is tested, at that time the heart stage of 3~5 leaf of weeds one, routinely Every mu of preparating liquid 50KG is sprayed, calm sunny during dispenser, non-within 8 hours after dispenser to see there is rainfall.
Control time and number of times：Weeds radix is investigated before dispenser, 5 after dispenser, 7 days observation treatment region grass cutting blade colors, Upgrowth situation.(on April 20th, 2016), 30 days (on May 10th, 2016) be with investigating strain preventive effect and weeds respectively 10 days after dispenser Top fresh weight.
Investigation method：Using 5 point samplings, each cell random selection 5 points of investigation, every area 0.25m2, dispenser After 10 days investigate total weed strain number, after 30 days simultaneously investigate total weed strain number and overground part fresh weight, calculate decline rate and Anti-efficiency.It is specific as shown in table 4.
Drug effect computational methods are as follows：
CK represents that clear water is compareed in above formula.
Table 4：Weed Control in Zero-tillage field total weed preventive effect table
Interpretation of result：75.7% dispersible granula is put down to no-tillage field total weed preventive effect effect, preventive effect highest of the medicine after 30 days Equal decline rate is up to 97.29%, and it is 97.98% averagely to prevent and kill off rate.The average decline rate of 88.8% soluble granule of glyhosate ammonium 83.42%, it is 82.80% averagely to prevent and kill off rate.10% Quizalotop-ethyl missible oil and the dispersible oil of 11% trifloxysulfuron sodium suspend The average decline rate of agent is only 61.32%, 51.00%, and both averagely prevent and kill off rate difference 61.85%, 55.31%.Explanation The 92.8% dispersible no-tillage field total weed prevention effect of granula is apparently higher than ammonium glyphosate, Quizalotop-ethyl, trifloxysulfuron sodium Salt single dose effect, therefore with preferable popularizing application prospect.
4th, for examination object：For annual grassy weeds in bare place field for many years, weeds are more and careless mutually complex, such as horse Tang, green bristlegrass, Amaranthus retroflexus, acalypha copperleaf, Descurainia sophia, chenopodium glaucum linn, purslane, lamb's-quarters, datura, polygonum flaccidum, black nightshade etc..
Test medicine：The Chinese medicine of embodiment 7：15% microemulsion (the Quizalotop-ethyl 1% 3 of 13% ammonium glyphosate 1% The grand pyrrolidones of sodium salt 2% of fluorine pyridine sulphur) (our company's production)；
Comparison medicament：88.8% soluble granule of glyhosate ammonium (Anhui Huaxing Chemical Co., Ltd.)；
10% Quizalotop-ethyl missible oil (Jiangsu bio tech ltd green for a long time)；
The dispersible oil-suspending agent of 11% trifloxysulfuron sodium (Shanghai Lvze Bio-technology Co., Ltd.).
Spraying time and method：Then dispenser on April 10 in 2016 is tested, at that time the heart stage of 3~5 leaf of weeds one, routinely Every mu of preparating liquid 50KG is sprayed, calm sunny during dispenser, non-within 8 hours after dispenser to see there is rainfall.
Control time and number of times：Weeds radix is investigated before dispenser, 5 after dispenser, 7 days observation treatment region grass cutting blade colors, Upgrowth situation.(on April 20th, 2016), 30 days (on May 10th, 2016) be with investigating strain preventive effect and weeds respectively 10 days after dispenser Top fresh weight.
Investigation method：Using 5 point samplings, each cell random selection 5 points of investigation, every area 0.25m2, dispenser After 10 days investigate total weed strain number, after 30 days simultaneously investigate total weed strain number and overground part fresh weight, calculate decline rate and Anti-efficiency.Specifically it is shown in Table 5：
Drug effect computational methods are as follows：
CK represents that clear water is compareed in above formula.
Table 5：Weed Control in Zero-tillage field total weed preventive effect table
Interpretation of result：15% microemulsion is to no-tillage field total weed preventive effect effect, preventive effect highest of the medicine after 30 days, average decline Rate is up to 98.00%, and it is 98.45% averagely to prevent and kill off rate.The average decline rate of 88.8% soluble granule of glyhosate ammonium 80.66%, it is 81.11% averagely to prevent and kill off rate.10% Quizalotop-ethyl missible oil and the dispersible oil of 11% trifloxysulfuron sodium suspend The average decline rate of agent is only 61.17%, 51.91%, and both averagely prevent and kill off rate difference 62.56%, 54.15%.Illustrate 15% Microemulsion is imitated to no-tillage field total weed prevention effect apparently higher than ammonium glyphosate, Quizalotop-ethyl, trifloxysulfuron sodium single dose Really, therefore with preferable popularizing application prospect.
5th, for examination object：For annual grassy weeds in bare place field for many years, weeds are more and careless mutually complex, such as horse Tang, green bristlegrass, Amaranthus retroflexus, acalypha copperleaf, Descurainia sophia, chenopodium glaucum linn, purslane, lamb's-quarters, datura, polygonum flaccidum, black nightshade etc..
Test medicine：The Chinese medicine of embodiment 13：34% dispersible oil-suspending agent (the smart quinoline standing grain of 30% ammonium glyphosate 2% Clever 2% trifloxysulfuron sodium) (our company's production)；
Comparison medicament：88.8% soluble granule of glyhosate ammonium (Anhui Huaxing Chemical Co., Ltd.)；
10% Quizalotop-ethyl missible oil (Jiangsu bio tech ltd green for a long time)；
The dispersible oil-suspending agent of 11% trifloxysulfuron sodium (Shanghai Lvze Bio-technology Co., Ltd.).
Spraying time and method：It is dispenser on the 10th in 20164 months to be tested in year, at that time the heart stage of 3~5 leaf of weeds one, routinely Every mu of preparating liquid 50KG is sprayed, calm sunny during dispenser, non-within 8 hours after dispenser to see there is rainfall.
Control time and number of times：Weeds radix is investigated before dispenser, 5 after dispenser, 7 days observation treatment region grass cutting blade colors, Upgrowth situation.(on April 10th, 2016), 30 days (on May 10th, 2016) be with investigating strain preventive effect and weeds respectively 10 days after dispenser Top fresh weight.
Investigation method：Using 5 point samplings, each cell random selection 5 points of investigation, every area 0.25m2, dispenser After 10 days investigate total weed strain number, after 30 days simultaneously investigate total weed strain number and overground part fresh weight, calculate decline rate and Anti-efficiency.Specifically it is shown in Table 6：
Drug effect computational methods are as follows：
CK represents that clear water is compareed in above formula.
Table 6：Weed Control in Zero-tillage field total weed preventive effect table
Interpretation of result：34% dispersible oil-suspending agent is to no-tillage field total weed preventive effect effect, preventive effect highest of the medicine after 30 days, Average decline rate is up to 97.36%, and it is 97.82% averagely to prevent and kill off rate.88.8% soluble granule of glyhosate ammonium averagely declines Rate 81.37%, it is 80.24% averagely to prevent and kill off rate.10% Quizalotop-ethyl missible oil and the dispersible oil of 11% trifloxysulfuron sodium are outstanding The average decline rate of floating agent is only 62.17%, 50.66%, and both averagely prevent and kill off rate difference 62.09%, 50.26%.Explanation 34% aqueous emulsion is to no-tillage field total weed prevention effect apparently higher than ammonium glyphosate, Quizalotop-ethyl, trifloxysulfuron sodium list Agent effect, therefore with preferable popularizing application prospect.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein General Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to implementation here Example, those skilled in the art do not depart from improvement that scope made and change all should be according to the announcement of the present invention Within protection scope of the present invention.

Claims (5)

1. a kind of composition for Weed Control in Zero-tillage field weed, it is characterised in that：The active princlple of the composition is sweet by grass Phosphine ammonium salt, Quizalotop-ethyl and trifloxysulfuron sodium composition, the ammonium glyphosate, Quizalotop-ethyl and trifloxysulfuron sodium Mass ratio is 10~80: 1~5: 1~5.
2. a kind of composition for Weed Control in Zero-tillage field weed according to claim 1, it is characterised in that：Also include synergy Agent, the ammonium glyphosate, Quizalotop-ethyl, the mass ratio of trifloxysulfuron sodium and synergist are 10~80: 1~5: 1~5：1 ~5.
3. a kind of composition for Weed Control in Zero-tillage field weed according to claim 2, it is characterised in that：The ammonium glyphosate Salt, Quizalotop-ethyl, the mass ratio of trifloxysulfuron sodium and synergist are 70：2：2：4.
4. a kind of composition for Weed Control in Zero-tillage field weed according to claim 2, it is characterised in that：The synergist is Organosilicon, cyclohexanedione or pyrrolidones.
5. a kind of composition for Weed Control in Zero-tillage field weed according to claim 1, it is characterised in that：The composition Formulation is aqua, aqueous emulsion, microemulsion, wettable powder, water dispersible granules, dispersible oil-suspending agent, soluble powder or can Dissolubility granula.
CN201710558703.XA 2017-07-10 2017-07-10 A kind of composition for Weed Control in Zero-tillage field weed Pending CN107232192A (en)

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Application publication date: 20171010