CN106665592A - Herbicide mixture for sugarcane field - Google Patents

Herbicide mixture for sugarcane field Download PDF

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Publication number
CN106665592A
CN106665592A CN201611100406.2A CN201611100406A CN106665592A CN 106665592 A CN106665592 A CN 106665592A CN 201611100406 A CN201611100406 A CN 201611100406A CN 106665592 A CN106665592 A CN 106665592A
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China
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ametryn
mesotrione
sulfentrazone
weeds
sacchari sinensis
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龚国斌
吴永虎
陈克付
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Anhui Fengle Agrochemical Co Ltd
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Anhui Fengle Agrochemical Co Ltd
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Priority to CN201611100406.2A priority Critical patent/CN106665592A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/661,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms
    • A01N43/681,3,5-Triazines, not hydrogenated and not substituted at the ring nitrogen atoms with two or three nitrogen atoms directly attached to ring carbon atoms
    • A01N43/70Diamino—1,3,5—triazines with only one oxygen, sulfur or halogen atom or only one cyano, thiocyano (—SCN), cyanato (—OCN) or azido (—N3) group directly attached to a ring carbon atom
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N41/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom
    • A01N41/02Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a sulfur atom bound to a hetero atom containing a sulfur-to-oxygen double bond
    • A01N41/10Sulfones; Sulfoxides
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647Triazoles; Hydrogenated triazoles
    • A01N43/6531,2,4-Triazoles; Hydrogenated 1,2,4-triazoles

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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 herbicide mixture for a sugarcane field. The herbicide mixture comprises the following active ingredients of mesotrione, sulfentrazone and ametryn at the weight ratio of (0.1-70):(0.1-70):(0.1-80). The herbicide mixture is capable of preventing annual gramineous weeds of the sugarcane field, broadleaf weeds and nutgrass flatsedge, is significant in weeding effect and has a significant synergistic effect, the weeds in the whole growth period can be prevented through one-time pesticide application, and the herbicide mixture is free of an effect on afterreap crops and is an ideal herbicide.

Description

A kind of Caulis Sacchari sinensis field mixed herbicide
Technical field
The present invention relates to technical field of pesticide, and in particular to a kind of Caulis Sacchari sinensis containing mesotrione, sulfentrazone and ametryn Field mixed herbicide.
Background technology
Caulis Sacchari sinensis are temperate zone and tropical crops, are adapted to plant where fertile soil, sunny, summer in the winter temperature difference are big. Area is mainly planted by China the south such as Taiwan, Fujian, Guangdong, Hainan, Guangxi, Sichuan, Yunnan torrid areas.Contain in Caulis Sacchari sinensis Abundant sugar, moisture, also containing the various vitamin, fat, protein, organic acid that human metabolism is highly profitable, The materials such as calcium, ferrum, it is mainly used in refining sugar and eats raw.Caulis Sacchari sinensis are the primary raw materials of sugaring, account for more than the 80% of sugar total output. It is also the important source material of the food industry such as confection, beverage and sugar is one of edible product necessary to the mankind.Meanwhile, Caulis Sacchari sinensis are still light The important source material of work, chemical industry and the energy.Thus, develop sugarcane production, to improving the life of the people, promoting agricultural and related industry Development, or even all there is consequence and effect to the development of whole national economy.
But the weeds of sugarcane field occur generally, and species is various, and crop smothering is one of the reason for causing the Caulis Sacchari sinensis underproduction, low yield, is had People does overtesting, sows to results such as not weeding, the Caulis Sacchari sinensis underproduction 77.2% from Caulis Sacchari sinensis;Sow not weeding in 6 weeks, the Caulis Sacchari sinensis also underproduction 16.1%:It can be seen that weeds affect very big on sugarcane yield, Integrated co ntrol technology must be taken in production.With agricultural cience and farming techniques Development, the popularization and application of chemical herbicide as saving of labor, save time, one of cost-effective strong well stimulation.Sugarcane field Mostly before seedling and after seedling two critical periods of early stage are carried out after broadcasting for the chemical prevention of weeds.At present, sugar-cane herbicide kind compared with It is many, wherein the kind of Caulis Sacchari sinensis field weed is prevented and kill off in representative having penta sodium pentachlorophenate, nitrofen, atrazine, Simanex, enemy's grass Grand, prometryn etc., it is optimal with the herbicidal effect of Simanex, atrazine.But atrazine is easily polluted to subsoil water, is used Just progressively it is controlled.
Mesotrione is trione compounds, is mainly used in Semen Maydiss, has within nearly 2 years research to apply on Caulis Sacchari sinensis, to Caulis Sacchari sinensis ratio It is safer.Mesotrione is to annual broadleaf weed and part grassy weed such as Herba Abutili, Amaranthus mangostanus L., Herba chenopodii, knotweed, barnyard grass, Herba Digitariae etc. There is preferable prevention effect.And it is poor to the prevention effect such as Herba Acalyphae and some grassy weeds such as Herba Setariae Viridis.
Ametryn is selective inner-adsorption conduction-type herbicide, the typical inhibitor of photosynthesis of category.For Caulis Sacchari sinensis, Citrus, jade Anti- annual grassy weeds is removed in rice, Semen sojae atricolor, Rhizoma Solani tuber osi, Semen Pisi sativi, Radix Dauci Sativae field.High dose can prevent and kill off some perennial weeds, also can prevent and kill off Aquatic weed.For spring sugarcane field, with 80% 1.95~3kg/hm2 of wettable powder (1.56~2.4kg of effective ingredient), to water 600~750kg does stem and leaf spraying treatment.For autumn sugarcane field, with 80% wettable powder 1.05~1.95kg/hm2 (effective ingredient 0.84~1.56kg), 600~750kg of water is sprayed in the leaf phase of weeds 3.Other crops can be used as broadcasting rear before seedling soil treatment or After seedling cauline leaf process.Ametryn can promote plant growing in low concentration, stimulate the growth of plumelet and root, promote leaf area to increase Greatly, stem overstriking etc..But can produce strong inhibition effect in plant again in high concentration.For preventing and kill off Fructus Musae, Citrus, coffee, sweet Broad-leaved and the miscellaneous selective herbicide of grass family in sugarcane, tea and bare place, before seedling after seedling is used, prevent and kill off Fructus Musae, mandarin orange, coffee, can Can, Semen Maydiss, Elaeis guineensis Jacq., Fructus Ananadis comosi, Caulis Sacchari sinensis, tea, broad-leaved and grassy weed in Rhizoma Solani tuber osi and bare place.
Sulfentrazone (Sulfentrazone) belongs to proporphyrinogen oxidase inhibitor.By suppressing proporphyrinogen oxidase, Make to produce excessive protoporphyrin IX in plant cell, the latter is photosensitizer, causes intracellular generation active oxygen, ultimately results in cell Film, vesicular membrane etc. rupture, and cell Dissolve things inside oozes out, death of drying up.Sulfentrazone is contact killing type cauline leaf process agent, particularly to sulphur The resistant weeds of ureide derivative have a specially good effect, succession crop safety, broad weed-killing spectrum, and consumption is few, herbicide speed is fast.It is suitable to Semen Maydiss, big The anti-Herba veronicae of the crop fields such as bean, Sorghum vulgare Pers., Semen arachidis hypogaeae, Helianthi, Herba Abutili, Amaranthus retroflexus, Herba chenopodii, Fructus Kochiae, Herba Galii Teneri, Herba Solani Nigri, Caulis et Folium Sinapis albee, wild sesame The broad leaved weeds such as fiber crops, red heart Herba chenopodii.Contact killing type cauline leaf process agent, particularly resistant to sulfonylurea weeds have specially good effect, afterwards stubble Crop safety, broad weed-killing spectrum, consumption is few, herbicide speed is fast.It is suitable to the crop fields such as corn and soybean, Sorghum vulgare Pers., Semen arachidis hypogaeae, Helianthi to prevent The broad leaved weeds such as Herba veronicae, Herba Abutili, Amaranthus retroflexus, Herba chenopodii, Fructus Kochiae, Herba Galii Teneri, Herba Solani Nigri, Caulis et Folium Sinapis albee, Herba lamii barbati, red heart Herba chenopodii.Soil partly declines 110-280 days phase, cauline leaf process, soil treatment.
Patent website retrieval and inquisition is risen by one hundred:Guangxi Tianyuan Biochemical Co., Ltd. CN201510056372.0 is a kind of In for the Caulis Sacchari sinensis field herbicidal of low-gallonage spraying, mention mesotrione and compound with ametryn, prevent and kill off Caulis Sacchari sinensis field weed, but should Formula is to the easy bounce-back of grassy weed, and Herba Portulacae, Herba Acalyphae, Rhizoma Cyperi effect are undesirable.
Longdeng Chemical Co Ltd, Jiangsu CN201210528588.9 is a kind of containing ametryn, sulfentrazone and flazasulfuron In Herbicidal combinations and application thereof, it is proposed that sulfentrazone and ametryn are compounded, sugarcane field weed problem is prevented and kill off, but the formula It is undesirable to Semen Euphorbiae, Bermuda grass, Herba Fimbristylis miliaceae and other effects in sugarcane field.
The content of the invention
It is an object of the invention to provide one kind can prevent and kill off grassy weed, broad leaved weed and dried tuber can be prevented and kill off again, and imitate Really good Caulis Sacchari sinensis field mixed herbicide, and to the complex weedicide of succession crop safety, both can be used for after seedling cauline leaf process, Can be used for before seedling sealing treatment.
In order to realize foregoing invention purpose, the present invention provides technical scheme below:
A kind of Caulis Sacchari sinensis field mixed herbicide, its active component is mesotrione, sulfentrazone and ametryn, wherein nitre sulphur grass The weight ratio of ketone, sulfentrazone and ametryn is 0.1-70:0.1-70:0.1-80.
Preferably, the weight ratio of the mesotrione, sulfentrazone and ametryn is 2-8:16-28:10-40.
It is further preferred that the weight ratio of the mesotrione, sulfentrazone and ametryn is 6:20:20.
Preferably, preferably, three's gross mass of the mesotrione, sulfentrazone and ametryn accounts for the compounding The 0.5~85% of herbicide quality.
Preferably, the dosage form of the complex weedicide is suspending agent, suspension emulsion, wettable powder or water dispersible granules.
Preferably, also including vegetable oil in the complex weedicide, its consumption is 20-200 milliliters/mu;The plant Oil is at least one in soybean oil, Caulis Sacchari sinensis oil, sunflower oil, Oleum Brassicae campestriss, Oleum Ricini, methyl oleate.
The purpose that vegetable oil is added in the present invention is to improve its prevention effect, i.e. potentiation.
The synergy after mixture is evaluated with the co-toxicity coefficient method of Sun Yunpei, as a result shows mesotrione with ametryn by 2- 8:40-10 ratios are compounded, and its co-toxicity coefficient is significantly greater than 120, with potentiation, wherein, mesotrione and ametryn By 6:20 ratios carry out mixture, and co-toxicity coefficient is up to 273.32, and potentiation is most strong.Mesotrione is optimal with ametryn Proportioning presses 28-22 with sulfentrazone:16:28 ratio mixtures, its co-toxicity coefficient is all higher than 120, with potentiation.Wherein, nitre Sulphur oxadiazon presses 26 with the optimum proportioning of ametryn with sulfentrazone:20 ratio mixtures, up to 138.43, it increases its co-toxicity coefficient maximum Effect effect is most strong.Illustrate mesotrione, three kinds of active component of sulfentrazone and ametryn by 6:20:20 ratio mixtures are closed the most It is suitable, annual single broadleaf weed and dried tuber are had significant synergies.
Security test test to Caulis Sacchari sinensis shows that mesotrione, three kinds of active component of sulfentrazone and ametryn are compounded Cauline leaf process, suppress the ED of sugarcane production 10%10=2201.3096, suppress the ED of weed growth 90%90=437.2382, choosing Select property coefficient=2201.3096/437.2382=5.03>2, it is believed that the medicament has obvious selectivity, field can be carried out The test of pesticide effectiveness.
Complex weedicide of the present invention was shown by the field control effectiveness test of 2 years, in the leaf phase of Caulis Sacchari sinensis 3~5, weeds 2-5 Leaf does not wait the phase, and Caulis Sacchari sinensis have no symptom of chemical damage from dispenser to period of maturation, to Caulis Sacchari sinensis safety.The preventive effect of weeds reach within 10 days 80% with On, reach more than 90% within 30 days, with the increase of dosage, preventive effect is remarkably reinforced, and a dispenser can control crop and entirely give birth to Weeds in long-term, not only herbicidal effect is notable, and environmentally friendly, on second stubble crop without impact.
Compared with prior art, complex weedicide of the present invention can prevent and kill off grassy weed, can prevent and kill off broad-leaved again miscellaneous Grass and dried tuber, to Caulis Sacchari sinensis safety, and on succession crop without impact, have a good application prospect.
Specific embodiment
The invention discloses a kind of Caulis Sacchari sinensis after seedling comprising mesotrione, three kinds of active component of sulfentrazone and ametryn is multiple With herbicide, those skilled in the art can use for reference present disclosure, be suitably modified technological parameter realization.Specifically It is that all similar replacements and change are apparent to those skilled in the art, they are considered as being included in this Invention.The product of the present invention and application are described by preferred embodiment, and related personnel substantially can be without departing from this Method described herein and application be modified in the content of the invention, spirit and scope or suitably change realize with combining and Using the technology of the present invention.
With reference to embodiment, the present invention is expanded on further:
Embodiment 1:37% mesotrione sulfentrazone ametryn dispersibles oil-suspending agent (mesotrione:First sulphur grass Amine:Ametryn=2:15:20), wherein 37% refers to that mesotrione, three kinds of active components of sulfentrazone and ametryn account for gross weight Percentage ratio.
2kg mesotriones are taken, 15kg sulfentrazones, 20kg ametryns, 8kg Pluronic125,5kg Propylene Glycol, 8kg is yellow Virgin rubber, 1kg methylated vegetable oils, solvent naphtha complements to 100kg.Through being sufficiently mixed allotment, ball mill pulverizing, adjustment, packing To dispersibling oil-suspending agent.
Embodiment 2:53% mesotrione sulfentrazone ametryn suspending agent (mesotrione:Sulfentrazone:Ametryn =3:20:30)
3kg mesotriones are taken, 20kg sulfentrazones, 30kg ametryns, 8kg sodium lignin sulfonates (dispersant), 5kg is fatty Polyoxyethylenated alcohol (wetting agent), 1kg xanthan gum (thickening agent), 2kg Polyethylene oxide polyoxy propanol amidogen ether (defoamer), 5kg second Glycol (antifreezing agent), carrier water 26kg.Through being sufficiently mixed allotment, ball mill pulverizing, adjusting, be packaged to be suspending agent.
Through being sufficiently mixed allotment, ball mill pulverizing, adjusting, be packaged to be suspending agent.
Embodiment 3:76% mesotrione sulfentrazone ametryn water dispersible granules (mesotrione:Sulfentrazone:Green bristlegrass Go out only=1.5:30:44.5)
Take 1.5kg mesotriones, 30kg sulfentrazones, 44.5kg ametryns, 7kg D-425,5kg EFW, 5kg sulphuric acid Ammonium, 2kg Polyethylene Glycol, Kaolin supplies 100%, be adequately mixed, comminution by gas stream, mixing, pelletize, drying and screening obtain water Dispersible granule.
Embodiment 4:65% mesotrione sulfentrazone ametryn wettable powder (mesotrione:Sulfentrazone:Green bristlegrass Go out only=5:30:30)
Take 5kg mesotriones, 30kg sulfentrazones, 30kg ametryns, 7kg D-425,5kg EFW, 5kg ammonium sulfate, 2kg Polyethylene Glycol, Kaolin supplies 100%, is adequately mixed, comminution by gas stream, combination drying obtain wettable powder.
Embodiment 5:46% mesotrione sulfentrazone ametryn dispersibles oil-suspending agent (mesotrione:First sulphur grass Amine:Ametryn=6:20:20)
6kg mesotriones are taken, 20kg sulfentrazones, 20kg ametryns, 8kg Pluronic125,5kg Propylene Glycol, 8kg is yellow Virgin rubber, 1kg methylated vegetable oils, solvent naphtha complements to 100kg.Through being sufficiently mixed allotment, ball mill pulverizing, adjustment, packing To dispersibling oil-suspending agent.
Embodiment 6:The report of mesotrione, sulfentrazone and ametryn cauline leaf process synergy toxicity determination test
1 test objective
Under greenhouse experiment, using pot-culture method, mesotrione, sulfentrazone and ametryn ternary built are studied Herbicidal effect, and the synergy type after three's different proportion is used with is evaluated with the co-toxicity coefficient method of Sun Yunpei, it is nitre sulphur grass The rational mixture of ketone, sulfentrazone and ametryn provides scientific basis.
2 experimental conditions
2.1 for studying thing sugar cane breed:Osmanthus willow No. one
2.2 for examination weeds Herba Digitariae (Digitaria sanguinalis (Linn.) Scop.), tendon Bovis seu Bubali carelessly (Eleusine Indica (L.) Gaertn.), Herba Acalyphae (Acalypha australis L.), concave head amaranth (Amaranthus lividus.), Herba Fimbristylis miliaceae (Fimbristylis miliacea (L.) Vahl) (upper one year field harvesting seed, germination percentage 85% with On).
The culture of 2.3 experimental conditions and examination material
The culture of test material, temperature 25-35 DEG C are carried out in illumination cultivation room.A diameter of 15cm is chosen, is highly The vinyon basin alms bowl of 15cm, the permeable hole of 1cm diameters is beaten in the bottom of basin alms bowl.Permeable hole is covered with double-layer filter paper, and alms bowl is built-in Enter the loam for preparing to sterilize in advance to the high 10cm of alms bowl, soil is impregnated with from bottom with clear water.During test, by every kind of weed seed 30-40 grains are uniformly put in basin, earthing 0.5cm, and weeds should supplement moisture needed for growth during cultivating.
2.4 other conditions
The regular moisturizing (not watering in 2 days after medicine) in the way of the infiltration of bottom, keeps soil moisture.
3 EXPERIMENTAL DESIGN
3.1 medicament
3.1.1 reagent agent
97% mesotrione active compound (Anhui Zhong Shan Chemical Co., Ltd.s);
94% sulfentrazone active compound (Jiangxi He Yi chemical inc);
97% ametryn active compound (Anhui Zhong Shan Chemical Co., Ltd.s).
3.1.2 reagent agent drug solution preparing
Weigh quantitative active compound with electronic balance, add appropriate emulsifying agent, with acetone solution, finally with 0.1% soil Above-mentioned active compound is diluted to desired concn by warm 80 aqueous solutions.
3.1.3 EXPERIMENTAL DESIGN
3.1.3.1 the synergy of mesotrione and ametryn
Mesotrione, ametryn single dose and 5 mesotriones and ametryn mixture preparation are set into respectively 5 dosage, is separately set Blank, each test process are repeated 4 times.Treatment agent dosage refers to table 1.
The test process of table 1 and test level (concentration ga.i./kg)
3.1.3.2 the synergy of the optimal mixture of mesotrione, ametryn and sulfentrazone
Mesotrione ametryn mixture and sulfentrazone single dose and 5 mixture preparations are set into respectively 5 dosage, sky is separately set White control, each test process are repeated 4 times.Treatment agent dosage refers to table 2.
The test process of table 2 and test level (concentration ga.i./kg)
3.2 application method
3.2.1 application method
In the leaf phase of Caulis Sacchari sinensis 3, weeds 2-4 leaf phase stem and leaf spraying treatments.Spray is tried using the indoor crown-block type spraying of adjustable speed Experiment device, simulates field conventional spraying methods.Shower nozzle is Fan spray head, model Teejer8002E type, 40 kilograms of spray value/ Mu.0.5 meter of spray height, 0.7 meter of spraying swath, the meter per second of leg speed 0.224.2.0 MPas of atomisation pressure, 697 liters/min of flow.
3.2.2 spraying time and number of times
Test carried out reagent spray process, dispenser 1 time on June 2nd, 2014.
4 investigation methods
The damage symptoms of itemized record Caulis Sacchari sinensis and weeds after dispenser, 20d after medicine carries out fresh weight measurement, and and control treatment Compare, calculate fresh weight preventive effect.
4.1 synergy assay methods
Synergy type of the result of the test with the co-toxicity coefficient method evaluation of Sun Yunpei after mixed.
According to SUN, Y-P (Sun Yunpei) method calculates its actual toxicity index, mixture theoretical toxicity index, co-toxicity coefficient.With Log concentration is X, and pest and disease damage preventive effect probit value is Y, seeks regression equation.
Actual toxicity index=standard agent LD50The LD of/mixture50×100
Theoretical toxicity index=∑ the percentage rate of the medicament effective ingredient (toxicity index of reagent agent × in mixture)
Actual toxicity index/theoretical toxicity index × 100 of co-toxicity coefficient=mixture
With mesotrione as standard agent in test.
Criterion:Co-toxicity coefficient<80 is antagonism, is summation action between 80-120,>120 are potentiation work With.
5 results and analysis
The synergy of 5.1 mesotriones and ametryn
5.1.1 mesotrione and fresh weight preventive effect of the ametryn mixture to weeds
Fresh weight preventive effects of the 20d to weeds after the mesotrione of table 3 and ametryn mixture medicine
Prevention effect is the meansigma methodss of four data in table.
5.1.2 mesotrione and synergy of the ametryn mixture to weeds
As shown in Table 3:Toxic action situation and preventive effect of the medicament to weeds.Its respective toxicity regression is calculated by formula Equation, LD50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.It is listed in table 4.
Table 4:Mesotrione and synergy of the ametryn mixture to weeds
Process Regression equation Correlation coefficient LD50 Actual toxicity index Theoretical toxicity index Coefficient of synergism
A Y=1.9095x+7.1471 0.9995 0.0751 100 / /
B Y=1.6933x+5.2032 0.9952 0.7585 9.90 / /
C Y=5.8606x+1.3803 0.9983 0.2380 19.76 14.19 139.25
D Y=1.4986x+6.2668 0.9982 0.1652 45.46 18.67 243.49
E Y=1.9839x+7.0792 0.9997 0.0895 83.91 30.70 273.32
F Y=1.8939x+6.9222 0.9997 0.0966 77.74 49.94 155.67
G Y=1.8856x+6.8595 0.9987 0.1032 72.77 69.97 104.00
From test, the co-toxicity coefficient for processing C, D, E, F, G is respectively:139.25、243.49、273.32、155.67、 104.00, co-toxicity coefficient is all higher than 80, with addition or potentiation.Wherein, the co-toxicity coefficient for processing C, D, E, F is more than 120, With potentiation, the co-toxicity coefficient for particularly processing E is 273.32 to the maximum, with notable potentiation.
5.1.3 conclusion (of pressure testing)
By test, mesotrione, ametryn press 6:20 ratio mixtures are more suitable, dicotyledonous to annual list miscellaneous Grass and dried tuber have significant synergies.
5.2 the synergy of the optimal mixture of mesotrione, ametryn and sulfentrazone
5.2.1 the mesotrione ametryn fresh weight preventive effect to weeds mixed with sulfentrazone
The mesotrione ametryn of the table 5 fresh weight preventive effect to weeds mixed with sulfentrazone
Prevention effect is the meansigma methodss of four data in table.
5.2.2 the mesotrione ametryn indoor virulence and synergy to weeds mixed with sulfentrazone
As shown in Table 5:Toxic action situation and preventive effect of the medicament to weeds.Its respective toxicity regression is calculated by formula Equation, LD50, actual toxicity index, theoretical toxicity index and co-toxicity coefficient.It is listed in table 6.
Table 6:Indoor virulence and synergy of the mesotrione ametryn mixed ratio different from sulfentrazone to weeds
From test, the co-toxicity coefficient for processing C, D, E, F, G is respectively:117.93、129.13、138.43、129.66、 128.63, its co-toxicity coefficient is all higher than 100, and the wherein co-toxicity coefficient of D, E, F, G is more than 120, with potentiation;Particularly locate The co-toxicity coefficient of reason E is maximum, is 138.43, reaches significant potentiation.
5.2.3 conclusion (of pressure testing)
By test, sulfentrazone presses 20 with mesotrione ametryn:26 ratio mixtures are more suitable, altogether poison system Number is maximum, and annual single broadleaf weed is had significant synergies.
6 overall merits
Shown by above synergy measurement result, mesotrione, sulfentrazone and ametryn three are with 2-8:16-28: 10-40 is potentiation, especially with mesotrione, sulfentrazone and ametryn 6:20:20 ratio compounding is the most suitable.
Embodiment 7:Mesotrione ametryn sulfentrazone cauline leaf process are tested the safety indoor measurement of Caulis Sacchari sinensis Report
1 test objective
Under greenhouse experiment, using pot-culture method, research mesotrione, sulfentrazone and ametryn ternary built stem Safety of the leaf process to Caulis Sacchari sinensis, the rational mixture for mesotrione, sulfentrazone and ametryn provides scientific basis.
2 experimental conditions
2.1 for studying thing sugar cane breed:Osmanthus willow No. one
2.2 for examination weeds Herba Digitariae (Digitaria sanguinalis (Linn.) Scop.), tendon Bovis seu Bubali carelessly (Eleusine Indica (L.) Gaertn.), Herba Acalyphae (Acalypha australis L.), concave head amaranth (Amaranthus lividus.), Herba Fimbristylis miliaceae (Fimbristylis miliacea (L.) Vahl) (upper one year field harvesting seed, germination percentage 85% with On).
The culture of 2.3 experimental conditions and examination material
The culture of test material, temperature 25-30 DEG C are carried out in illumination cultivation room.A diameter of 15cm is chosen, is highly The vinyon basin alms bowl of 15cm, the permeable hole of 1cm diameters is beaten in the bottom of basin alms bowl.Permeable hole is covered with double-layer filter paper, and alms bowl is built-in Enter the loam for preparing to sterilize in advance to the high 10cm of alms bowl, soil is impregnated with from bottom with clear water.During test, by Caulis Sacchari sinensis seed 20 Grain, every kind of weed seed 30-40 grains are uniformly put into earthing 0.5cm in basin, are put into warm indoor cultivation (25-30 DEG C), Caulis Sacchari sinensis Seedling Moisture needed for growth should be supplemented during cultivating with weeds.The Seedling of 10 plants of stalwartnesses is stayed after all sprouting, treats that Caulis Sacchari sinensis Seedling grows to 3~4 leaves and miscellaneous Dispenser when grass grows to 3~5 is processed.
2.4 other conditions
The regular moisturizing (not watering in 2 days after medicine) in the way of the infiltration of bottom, keeps soil moisture.
3 EXPERIMENTAL DESIGN
3.1 medicament
3.1.1 reagent agent
97% mesotrione active compound (Anhui Zhong Shan Chemical Co., Ltd.s);
94% sulfentrazone active compound (Jiangxi He Yi chemical inc);
97% ametryn active compound (Anhui Zhong Shan Chemical Co., Ltd.s).
3.1.2 reagent agent drug solution preparing
Weigh quantitative active compound with electronic balance, add appropriate emulsifying agent, with acetone solution, finally with 0.1% soil Above-mentioned active compound is diluted to desired concn by warm 80 aqueous solutions.
3.2 application method
3.2.1 application method
In the leaf phase of Caulis Sacchari sinensis 3, weeds 2-4 leaf phase stem and leaf spraying treatments.Spray is tried using the indoor crown-block type spraying of adjustable speed Experiment device, simulates field conventional spraying methods.Shower nozzle is Fan spray head, model Teejer8002E type, 40 kilograms of spray value/ Mu.0.5 meter of spray height, 0.7 meter of spraying swath, the meter per second of leg speed 0.224.2.0 MPas of atomisation pressure, 697 liters/min of flow.
3.2.2 spraying time and number of times
Test carried out reagent spray process, dispenser 1 time on June 2nd, 2016.
4 investigation and computational methods
4.1 crops are investigated
After dispenser, investigate each process Caulis Sacchari sinensis whether there is symptom of chemical damage, itemized record symptom of chemical damage, grade if having, 20 after medicine My god, each process Caulis Sacchari sinensis fresh weight is measured, fresh weight inhibition is calculated, with safety of the clear and definite test medicine to Caulis Sacchari sinensis.
4.2 weedy rices
The damage symptoms (such as growth inhibited, chlorosis, deformity) of itemized record weeds after dispenser, 20 days after medicine, weigh It is each to process weeds aerial partss fresh weight, calculate the fresh weight preventive effect of weeds.
4.3 computational methods
Regression analyses are carried out to the logarithm value of drug dose and the niqueMin of Caulis Sacchari sinensis fresh weight inhibition with DPS softwares, is calculated Dosage ED when correlation coefficient and suppression crop 10%10, and suppress weeds 90%ED90, obtain selectivity index.
Selectivity index=ED10/ED90
5 results and analysis
5..1 safety of the mesotrione ametryn sulfentrazone cauline leaf process to Caulis Sacchari sinensis
Observe within 5 days after dispenser, mesotrione ametryn sulfentrazone high concentration 3040mg/kg process part blade is white Change, plant height is normal, recover normal after a few days, other concentration process Sugarcane growth normally with blank process without obvious Difference.
The activity of weeding of table 7 and crop safety ocular estimate evaluation criterion
Inhibitory action of the mesotrione ametryn sulfentrazone WG of table 8 76% to Caulis Sacchari sinensis
Fresh weight preventive effects of the mesotrione ametryn sulfentrazone WG of table 9 76% to weeds
As shown in Table 9:Toxic action situation and preventive effect of the medicament to weeds, by formula its each toxicity regression is calculated Equation, LD50, it is listed in table 10.
Table 10:Virulence regression equation and LD50
Process Regression equation Correlation coefficient LD50 95% confidence interval
A Y=-0.9251+2.7290x 0.9974 148.2925 136.4327~161.1832
As shown in Table 10:The LD of 76% mesotrione ametryn sulfentrazone WG50For:148.2925,95% confidence Interval is 136.4327~161.1832.
5..2 mesotrione sulfentrazone green bristlegrass cauline leaf process are to Caulis Sacchari sinensis and the selectivity index of weeds
By table 8, table 9, can be in the hope of the ED of suppression sugarcane production 10% by DPS softwares10=2201.3096, suppress miscellaneous The ED of grass growth 90%90=437.2382, selectivity factor=2201.3096/437.2382=5.03>2, it is believed that the medicament tool There is obvious selectivity, field control effectiveness test can be carried out.
6 overall merits
6.1 result of the tests show that 2 times of process of mesotrione ametryn sulfentrazone cauline leaf process high concentration are right Caulis Sacchari sinensis are also very safe, and sugarcane production is normal.
6.2 by Toxicity Determination, and mesotrione ametryn sulfentrazone has good anti-to weeds Effect is controlled, and to Caulis Sacchari sinensis safety, can further carry out field test.
Embodiment 8:Complex weedicide field control effectiveness test (before seedling sealing treatment) of the present invention
For before seedling process, complex weedicide of the present invention was shown by the field control effectiveness test of 2 years, in Caulis Sacchari sinensis sowing After emerge before, using the present invention 46% mesotrione ametryn sulfentrazone (ametryn of 6% mesotrione+20%+ 20% sulfentrazone) milliliter/mu of oil-suspending agent dosage 120,150,180,300 is dispersibled, it is watered 40 kgs/acre and sprays, 20,40 The range estimation Caulis Sacchari sinensis safety of it and period of maturation and weeds emerge situation, 20,40 days preventive effects of weeds are calculated, as a result such as following table:
By range estimation, Caulis Sacchari sinensis is emerged in the range of test dose do not affect, Caulis Sacchari sinensis have no medicine from dispenser to period of maturation Evil symptom, to Caulis Sacchari sinensis safety.120 milliliter/mu of preventive effect of weeds reaches more than 94.1% for 20 days, still reach within 40 days 93.2% with On, with the increase of dosage, preventive effect is remarkably reinforced.Good sealing effect is can reach in milliliter/mu of sugarcane field 150, with One of which effective ingredient is used alone to compare, weed control spectrum is expanded, there is obvious potentiation to broad leaved weed and dried tuber. Dispenser can control the weeds in the whole trophophase of crop, and not only herbicidal effect is notable, and environmentally friendly, to lower stubble Crop is without impact, and the pollution to environment is little, to people, animal, birds and beneficial organism safety, is conducive to keeping ecological balance.In addition, The present invention herbicide using physical method process, simple production process, three-waste free discharge in production process, to ecological environment without Harmful effect.
By test:46% mesotrione ametryn sulfentrazone (ametryn of 6% mesotrione+20%+ 20% sulfentrazone) oil-suspending agent before seedling closing in the range of test dose is dispersibled, to Caulis Sacchari sinensis safety, sealing effect is preferable, Further experiment and demonstration can be carried out.
Embodiment 9:Complex weedicide field control effectiveness test (after seedling cauline leaf process) of the present invention
Complex weedicide of the present invention was shown by the field control effectiveness test of 2 years, in the leaf phase of Caulis Sacchari sinensis 3~5, weeds 1~5 Leaf not wait the phase, using the present invention 46% mesotrione ametryn sulfentrazone (ametryn of 6% mesotrione+20%+ 20% sulfentrazone) milliliter/mu of oil-suspending agent dosage 120,150,180,300 is dispersibled, it is watered 40 kgs/acre and sprays, 10,30 It and period of maturation estimate Caulis Sacchari sinensis safety and Weed-control effect, survey all preventive effects within 10,30 days, as a result such as following table:
By range estimation, Caulis Sacchari sinensis have no symptom of chemical damage from dispenser to period of maturation, to Caulis Sacchari sinensis safety.80 milliliters of the preventive effect of weeds/ Mu reaches more than 75.3% for 10 days, reaches more than 90.5% within 30 days, and with the increase of dosage, preventive effect is remarkably reinforced, in Caulis Sacchari sinensis Milliliter/mu of field 150 can reach good herbicidal effect, compare with one of which effective ingredient is used alone, and expand herbicide Spectrum, has obvious potentiation to broad leaved weed and dried tuber.Dispenser can control the weeds in the whole trophophase of crop, Not only herbicidal effect is notable, and environmentally friendly, and on second stubble crop without impact, the pollution to environment is little, to people, animal, birds And beneficial organism safety, be conducive to keeping ecological balance.In addition, the herbicide of the present invention is processed using physical method, work is produced Skill is simple, and three-waste free discharge in production process has no adverse effects to ecological environment.It is that current prevention effect preferably compounds weeding Agent.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (6)

1. a kind of Caulis Sacchari sinensis field mixed herbicide, it is characterised in that:Its active component be mesotrione, sulfentrazone and ametryn, Wherein the weight ratio of mesotrione, sulfentrazone and ametryn is 0.1-70:0.1-70:0.1-80.
2. complex weedicide according to claim 1, it is characterised in that:The mesotrione, sulfentrazone and ametryn Weight ratio be 2-8:16-28:10-40.
3. complex weedicide according to claim 2, it is characterised in that:The mesotrione, sulfentrazone and ametryn Weight ratio be 6:20:20.
4. complex weedicide according to claim 1, it is characterised in that:The mesotrione, sulfentrazone and ametryn Three's gross mass account for the 0.5~85% of the complex weedicide quality.
5. the complex weedicide according to any one of claim 1-4, it is characterised in that:The dosage form of the complex weedicide is Suspending agent, suspension emulsion, wettable powder or water dispersible granules.
6. the complex weedicide according to claims any one of 1-4, it is characterised in that:Also wrap in the complex weedicide Vegetable oil is included, its consumption is 20-200 milliliters/mu;The vegetable oil is soybean oil, Caulis Sacchari sinensis oil, sunflower oil, Oleum Brassicae campestriss, Semen Ricini At least one in oil, methyl oleate.
CN201611100406.2A 2016-12-03 2016-12-03 Herbicide mixture for sugarcane field Pending CN106665592A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110150282A (en) * 2019-05-12 2019-08-23 山东省农业科学院植物保护研究所 A kind of herbicidal composition containing mesotrione and sulfentrazone
WO2023230325A1 (en) * 2022-05-27 2023-11-30 Ethox Chemicals, Llc Improved hppd and ppo agrochemical formulations containing drift reduction technologies

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CN101511173A (en) * 2006-07-19 2009-08-19 先正达参股股份有限公司 Herbicidal composition and method of use thereof
CN101971805A (en) * 2010-11-17 2011-02-16 南京扬子鸿利源化学品有限责任公司 Oil-suspension agricultural mesotrione preparation as well as preparation method and applications thereof
CN102960348A (en) * 2012-12-11 2013-03-13 江苏龙灯化学有限公司 Weeding combination containing ametryn and sulfentrazone and applications of weeding combination
CN104255738A (en) * 2014-09-12 2015-01-07 河南远见农业科技有限公司 Sugarcane field herbicide composition and application thereof

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Publication number Priority date Publication date Assignee Title
CN101511173A (en) * 2006-07-19 2009-08-19 先正达参股股份有限公司 Herbicidal composition and method of use thereof
CN101971805A (en) * 2010-11-17 2011-02-16 南京扬子鸿利源化学品有限责任公司 Oil-suspension agricultural mesotrione preparation as well as preparation method and applications thereof
CN102960348A (en) * 2012-12-11 2013-03-13 江苏龙灯化学有限公司 Weeding combination containing ametryn and sulfentrazone and applications of weeding combination
CN104255738A (en) * 2014-09-12 2015-01-07 河南远见农业科技有限公司 Sugarcane field herbicide composition and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110150282A (en) * 2019-05-12 2019-08-23 山东省农业科学院植物保护研究所 A kind of herbicidal composition containing mesotrione and sulfentrazone
WO2023230325A1 (en) * 2022-05-27 2023-11-30 Ethox Chemicals, Llc Improved hppd and ppo agrochemical formulations containing drift reduction technologies

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Application publication date: 20170517