CN102273478A - Weeding composition containing rimsulfuron and isoxaflutole - Google Patents
Weeding composition containing rimsulfuron and isoxaflutole Download PDFInfo
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- CN102273478A CN102273478A CN2011101629178A CN201110162917A CN102273478A CN 102273478 A CN102273478 A CN 102273478A CN 2011101629178 A CN2011101629178 A CN 2011101629178A CN 201110162917 A CN201110162917 A CN 201110162917A CN 102273478 A CN102273478 A CN 102273478A
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- rimsulfuron
- isoxazole humulone
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Abstract
The invention relates to a weeding composition containing rimsulfuron and isoxaflutole. The composition provided by the invention is mainly characterized in that the weeding composition comprises 1-70% of rimsulfuron, 1-70% of isoxaflutole, auxiliary agents and other excipients; and the composition is prepared in forms of wet pulvis, water dispersible granules, a suspending agent, a suspoemulsion, an emulsion in water and a micron emulsion. The weeding composition provided by the invention is used for controlling annual weeds in the corn field, and has good environmental compatibility, and is safe for human and domestic animals. By the adoption of the weeding composition, the pesticide dosage is minimized and the pesticide residues are reduced.
Description
Technical field
The invention belongs to technical field of pesticide, be specifically related to a kind ofly contain rimsulfuron Yu the Herbicidal combinations of isoxazole humulone is used for control of maize field annual weed.
Background technology
The direction of pesticide developing was to embody efficient, low toxicity, low-residual and pollution-free in recent years.Be embodied in pursuit " three height ", promptly (1) is safe, and this not only requires toxicity low, and is residual low, and nuisanceless; (2) biologically active height; (3) selectivity height.Therefore continue to improve the performance of present Pesticidal products, reach efficient, low toxicity, free of contamination requirement.So, select the agricultural chemicals of composite mixture just to become current first-selection and a kind of valid approach, make the agricultural chemicals of performance complement obtain best synergistic effect by the proportioning of adjusting different agricultural chemicals.
Rimsulfuron (rimsulfuron), molecular formula: C
14H
17N
5O
7S
2, chemical name: 1-(4,6-SDM-2-yl)-3-(3-ethyl sulfenyl-2-pyridine radicals sulfenyl) urea.Rimsulfuron is the sulfonylurea herbicide kind of du pont company exploitation, has advantages such as high selectivity, efficient, low toxicity, is a kind of important corn field herbicide.This medicine is the amino acid compound inhibitor, thereby by suppressing the necessary valine and the biosynthesis of isoleucine cell differentiation and plant growing is stopped.Absorb by the root leaf, conduct to meristematic tissue very soon.This medicine can effectively be prevented and kill off great majority and perennial weed in the corn field, also can be used for potato and tomato Tanaka.
Isoxazole humulone (isoxaflutole), chemical name: 5-cyclopropyl-1,2-oxazole-4-base-a, a, a-three fluoro-2-methylhydrazine sulfonyl-right-methyl phenyl ketones.P-hydroxybenzene pyruvate dioxygen enzyme inhibitor is the HPPD inhibitor.Its effect characteristics are before activity of weeding with wide spectrum, the seedling and Miao Houjun can use, weeds occur after the albefaction dead.Though the effect symptom fairly similar of its symptom and carotenoid biostatic agent, its chemical constitution characteristics such as polarity and degree of ionization have significantly different with known carotenoid biostatic agent etc.Two oxidasic synthetic by suppressing the p-hydroxybenzene pyruvate, cause the accumulation of cruel propylhomoserin, the biosynthesis of plastoquinone and vitamin e is obstructed, and then has influence on the biosynthesis of carotin, so the HPPD inhibitor is similar to the effect symptom of carotenoid biostatic agent.
The chemical composition of each weed killer herbicide, structure and physicochemical property all are distinguishing.They kill careless ability and scope is also different, it is narrower that some weed killer herbicide kills the grass spectrum, but have one's own knack, and can eradicate the weeds that other weed killer herbicide is difficult to eliminate.Therefore, the composite important directions that also becomes domestic and international research new herbicides of using with of weed killer herbicide, China also comparatively payes attention to using with aspect the research of weed killer herbicide, is recognized extensively that to do be one of important measures of rationally using of weed killer herbicide, work out a series of Herbicidal compositions, obtained bigger progress.
My company also is devoted to the research and development of Herbicidal compositions.At present, do not appear in the newspapers Yu the relevant composite product of isoxazole humulone about rimsulfuron.
Summary of the invention
What the purpose of this invention is to provide a kind of control of maize field weed contains rimsulfuron Yu the Herbicidal combinations of isoxazole humulone.
Technical scheme of the present invention is:
A kind of Herbicidal combinations that contains rimsulfuron and isoxazole humulone is characterized in that: Herbicidal combinations contains effective composition rimsulfuron 1～70%, isoxazole humulone 1～70%, auxiliary agent and other excipient surpluses.
Described Herbicidal combinations is characterized in that: Herbicidal combinations contains rimsulfuron 5～35%, isoxazole humulone 5～50%, auxiliary agent and other excipient surpluses.
Described Herbicidal combinations is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
Described Herbicidal combinations is used for the application of control of maize field annual weed.
Described Herbicidal combinations is used to prevent and treat the application of piemarker, Siberian cocklebur, lamb's-quarters, summer cypress, chickweed, black nightshade, Veronica, elscholtiza, datura, salsola collina, willow leaf thorn knotweed, lady's thumb, Amaranthus retroflexus, kitchen garden, clearvers, field mustard, nutgrass flatsedge, creeping thistle, barnyard grass grass, eleusine indica, lady's-grass, knucklegrass, moleplant seed, green foxtail.
Describedly contain rimsulfuron: comprise following constituent content when making wetting powder: rimsulfuron 1～70%, isoxazole humulone 1～70%, dispersant 5～10%, wetting agent 2～10%, filler 8～92% Yu the Herbicidal combinations of isoxazole humulone is characterized in that.
Active ingredient rimsulfuron, isoxazole humulone, dispersant, wetting agent, filler are mixed, in mixed cylinder, mix, after airslide disintegrating mill is pulverized, mix again, promptly can be made into rimsulfuron isoxazole humulone wetting powder product.
Describedly contain rimsulfuron: comprise following constituent content when composition is made water dispersible granules: rimsulfuron 1～70%, isoxazole humulone 1～70%, dispersant 3～12%, wetting agent 1～8%, disintegrant 1～10%, filler 10～95% Yu the Herbicidal combinations of isoxazole humulone is characterized in that.
Rimsulfuron, isoxazole humulone, dispersant, wetting agent, disintegrant, filler etc. are obtained the particle diameter that needs through comminution by gas stream together, obtain the preparation materials.It is interior through after granulation and the drying to expect that product are quantitatively sent the fluidized bed granulation dryer to, makes rimsulfuron isoxazole humulone water dispersible granules product.
Describedly contain rimsulfuron Yu the Herbicidal combinations of isoxazole humulone is characterized in that: comprise following constituent content when composition is made suspending agent: rimsulfuron 1～50%, isoxazole humulone 1～50%, dispersant 2～10%, wetting agent 2～10%, defoamer 0.1～1%, thickener 0.1～2%, emulsifier 0.5%～8%, solvent add to 100%.
Dispersant, wetting agent, defoamer, thickener, antifreeze in the above-mentioned batching are mixed through high speed shear, add the former medicine of rimsulfuron ， isoxazole humulone, ball milling is 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make suspending agent product of the present invention.
Describedly contain rimsulfuron Yu the Herbicidal combinations of isoxazole humulone, it is characterized in that: comprise following constituent content when composition is made suspension emulsion: rimsulfuron 1～50%, isoxazole humulone 1～50%, emulsifier 2～12%, dispersant 2～10%, defoamer 0.1～2%, thickener 0.1～2%, antifreeze 0.1～8%, stabilizing agent 0.05～3%, deionized water add to 100%.
Dispersant, defoamer, thickener, antifreeze, stabilizing agent in the above-mentioned batching are mixed through high speed shear, add the former medicine of rimsulfuron, ball milling is 2～3 hours in ball mill, make diameter of particle all below 5 μ m, make the rimsulfuron suspending agent, then Jiang the former medicine of isoxazole humulone, emulsifier and various auxiliary agent with the direct emulsification of high speed agitator in suspending agent, make suspension emulsion product of the present invention.
Comprise following constituent content when composition is made aqueous emulsion: rimsulfuron 1～50%, isoxazole humulone 1～50%, solvent 0～30%, emulsifier 1～15%, co-emulsifier 0～8%, antifreeze 0～10%, thickener 0.1～2%, defoamer 0.01～2%, deionized water are supplied surplus.
Above-mentioned prescription is mixed, the former medicine of active ingredient, solvent, emulsifier, co-emulsifier are added together, make and be dissolved into even oil phase; Water, antifreeze, thickener, defoamer are mixed, become the homogeneous water.Under high-speed stirred, water is added oil phase, make aqueous emulsion product of the present invention.
Comprise following constituent content when composition is made microemulsion: rimsulfuron 1～50%, isoxazole humulone 1～50%, solvent 0～30%, emulsifier 3～20%, co-emulsifier 0～12%, antifreeze 0～10%, thickener 0.1～2%, defoamer 0.01～2%, stabilizing agent 0～4%, deionized water is supplied surplus.
With rimsulfuron Yu the former medicine of isoxazole humulone be dissolved in the homogenizer that organic solvent and cosolvent are housed; Mix strongly after joining emulsifier, stabilizing agent and antifreeze, water in the homogenizer that above-mentioned solution is housed and homogenize, obtain the as clear as crystal microemulsion product of the present invention of outward appearance at last.
Described dispersant is selected from alkylnaphthalene sulfonate, two (alkyl) naphthalenesulfonate formaldehyde condensation compound, naphthalene sulfonic acid-formaldehyde condensation product, aryl phenol polyoxyethylene succinate sulfonate, octylphenol polyethylene oxyethylene group ether sulfate, polycarboxylate, lignosulfonates, the phonetic formaldehyde condensation products sulphate of alkylphenol-polyethenoxy, alkyl benzene sulfonate calcium salt, the naphthalene sulfonic acid-formaldehyde condensation product sodium salt, alkylphenol-polyethenoxy is phonetic, aliphatic amine polyoxyethylene is phonetic, polyoxyethylene carboxylate, during the ester polyoxyethylene is phonetic one or more.
Described wetting agent is selected from: lauryl sodium sulfate, neopelex, Nekal BX, washing powder, farming breast 2000
#Series, sldium lauryl sulfate, wetting and penetrating agent F, wetting agent T, spaonin powder, tea are withered, in the silkworm excrement, soapberry powder one or more.
Described disintegrant is selected from: one or more in bentonite, urea, ammonium sulfate, aluminium chloride, the glucose.
Described emulsifier is selected from: farming breast 500
#(alkyl benzene calcium sulfonate), OP series phosphate (polyoxyethylene nonylphenol ether phosphate), 600
#Phosphate (phenyl phenol polyoxy ethyl ether phosphate), styrene polyoxyethylene ether ammonium sulfate salt, alkyl biphenyl ether disulfonic acid magnesium salts, triethanolamine salt, farming breast 400
#(benzyl dimethyl phenol polyoxy ethyl ether), farming breast 600
#(phenyl phenol polyoxy ethyl ether), Nongru-700
#(alkylphenol-formaldehyde resin polyoxy ethyl ether), peaceful breast 36
#(phenethyl fluosite polyoxy ethyl ether), farming breast 1600
#(phenethyl phenol polyoxy ethyl polypropylene-base ether), ethylene oxide-propylene oxide block copolymer, OP series (polyoxyethylene nonylphenol ether), By series (castor oil polyoxyethylene ether), farming breast 33
#(alkylaryl polyoxyethylene polyoxypropylene ether), farming breast 34
#In (alkylaryl polyoxyethylene poly-oxygen propylene aether), sapn series (sorbitan monostearate), tween series (sorbitan fatty acid ester APEO), the EO series (the pure APEO of fat) one or more.
Described antifreeze is selected from: one or more in ethylene glycol, propane diols, glycerine, the polyethylene glycol.
Described defoamer is selected from: silicone, C
8～10Aliphatic alcohols, C
10～20In saturated fat acids (as capric acid) and acid amides, silicone oil, the silicone compound one or more.
Described thickener is selected from: one or more in xanthans, CMC, hydroxyethylcellulose, methylcellulose, Magnesiumaluminumsilicate, the polyvinyl alcohol.
Described filler is selected from: one or more in kaolin, diatomite, bentonite, attapulgite, white carbon, starch, precipitated calcium carbonate, the vegetable oil.
Wetting powder the key technical indexes of the present invention:
Water dispersible granules the key technical indexes of the present invention:
Suspending agent the key technical indexes of the present invention:
Suspension emulsion the key technical indexes of the present invention:
Aqueous emulsion the key technical indexes of the present invention:
Microemulsion the key technical indexes of the present invention:
Herbicidal combinations of the present invention compared with prior art produces following beneficial effect:
(1) enlarges grass spectrum extremely, improve preventive effect, and improve this season crop yield;
(2) prolong the optimum period for applying fertilizer, reduce poisoning, reduce residual activity, delay drug-fast generation of weed killer herbicide and development;
(3) remarkably productive to weeds such as the piemarker of corn field, Siberian cocklebur, lamb's-quarters, summer cypress, chickweed, black nightshade, Veronica, elscholtiza, datura, salsola collina, willow leaf thorn knotweed, lady's thumb, Amaranthus retroflexus, kitchen garden, clearvers, field mustard, nutgrass flatsedge, creeping thistle, barnyard grass grass, eleusine indica, lady's-grass, knucklegrass, moleplant seed, green foxtail.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention.
Implementation of an application example one:
Rimsulfuron Yu the isoxazole humulone be mixed to the report of the active determination tests of corn weeds
Test objective: under the greenhouse pot culture condition, measured rimsulfuron Yu isoxazole humulone and different blended combo thereof are closed the herbicidal effect to Amaranthus retroflexus, and estimated its synergy, for the formulation development and the agriculture chemical registration field control effectiveness test of Mixed Pharmacy provides scientific basis.
For trying target: Amaranthus retroflexus (Amaranthus retroflexus L.).
Test medicine: rimsulfuron (rimsulfuron) 99% former medicine ， isoxazole humulone (isoxaflutole) 95% former medicine provides by Shaanxi Welch Crop Protection Co., Ltd..
The medicament configuration:
Rimsulfuron solution: accurately take by weighing the former medicine of 0.0077g 99% rimsulfuron, with the dissolving of 1mL cyclohexanone, add the clear water 400mL that contains 0.1% agricultural newborn 600#, stir, be configured to rimsulfuron 30g (a.i.)/ha solution, again with clear water be diluted to 20,10g (a.i.)/ha concentration is standby.
Isoxazole humulone solution: accurately take by weighing the former medicine of 0.0348g 95% isoxazole humulone, dissolve with the 1mL cyclohexanone, add the clear water 400mL that contains 0.1% agricultural newborn 600#, stir, be configured to isoxazole humulone 130g (a.i.)/ha solution, again with clear water be diluted to 100,70g (a.i.)/ha concentration is standby.
Blank solution: the 1mL vegetable oil adds the water of 400mL 0.1% agricultural newborn 600#.
Test method: adopt potted plant cauline leaf facture (NY/T 1155.4-2006): the amount of setting soil in the polypots of high 6cm, diameter 9cm, will be in polypots for 15～20 sowings of examination target weed seed, be placed on cultivation in the greenhouse after covering the thick fine earth of 0.5～1cm, treat that weeds grew to for 2～4 leaf phases and carry out cauline leaf spraying processing, every alms bowl spraying liquid 1mL, every processing repeats 4 times, and establishes the contrast that is treated to that does not contain medicament.Processing is placed in the greenhouse cultivates, the growing state of routine observation target weeds, and be injured symptom and growth inhibition situation of range estimation target behind the 15d, and claim acrial part fresh weight or strain fresh weight, estimate the toxicity action of medicament with form fresh weight inhibiting rate to the target weeds.
Investigation method:
Range estimation target be injured symptom and growth inhibition situation are handled behind the 15d in test, and claim to calculate fresh weight inhibiting rate (%) by the acrial part fresh weight.
The synergy evaluation method:
Estimate weed killer herbicide synergy mode (NY/T 1155.7-2006) according to the Gowing method, its formula is as follows:
E
0＝X+Y-XY/100
In the formula, X is that rimsulfuron is with the fresh weight inhibiting rate of certain dosage list time spent to the target weeds; Y Wei isoxazole humulone or with the fresh weight inhibiting rate of certain dosage list time spent to the target weeds; E
0For rimsulfuron Yu when isoxazole humulone or two kinds of pharmacy mix to the theoretical value of target weeds fresh weight inhibiting rate; E be rimsulfuron Yu when isoxazole humulone or two kinds of pharmacy mix to the measured value of target weeds fresh weight inhibiting rate.
Evaluation criterion: work as E-E
0Be expressed as synergistic effect at＞10% o'clock, as-10%≤E-E
0Be expressed as summation action, and worked as E-E in≤10% o'clock
0Be expressed as antagonism at＜-10% o'clock.Table 1 rimsulfuron is Yu the isoxazole humulone and the toxicity test result of combination to Amaranthus retroflexus that be mixed thereof
Table 1 rimsulfuron is Yu the isoxazole humulone and the toxicity test result of combination to Amaranthus retroflexus that be mixed thereof
Evaluating drug effect: rimsulfuron is Yu the isoxazole humulone and the composition that is mixed thereof see Table 1 to the herbicidal effect measurement result of Amaranthus retroflexus.As seen, rimsulfuron is with the isoxazole humulone shows synergistic effect to Amaranthus retroflexus, its E-E with 10+70,10+100,10+130,20+70,20+100,20+130, the 30+70 composition that is mixed
0Value is respectively 14.16,16.31,17.26,18.05,20.11,13.93,12.19, with 30+100, the 30+130 composition that is mixed Amaranthus retroflexus is shown addition, and is wherein best to the effect of Amaranthus retroflexus with the composition that is mixed of 20+100, its E-E
0Value is 20.11.
Application Example two: rimsulfuron is Yu the composite product embodiments of isoxazole humulone (following content is folding hundred percentage compositions).
Embodiment 1 75% rimsulfuron isoxazole humulone wetting powder
Rimsulfuron 5%, isoxazole humulone 70%, polycarboxylate 3%, alkyl benzene sulfonate calcium salt 2%, soapberry powder 5%, bentonite add to 100%, and mixture carries out comminution by gas stream, make 75% rimsulfuron isoxazole humulone wetting powder.
Embodiment 2 50% rimsulfuron isoxazole humulone wetting powders
Rimsulfuron 5%, isoxazole humulone 45%, lignosulfonates 5%, lauryl sodium sulfate 3%, spaonin powder 2%, kaolin add to 100%, and mixture carries out comminution by gas stream, make 50% rimsulfuron isoxazole humulone wetting powder.
Embodiment 3 65% rimsulfuron isoxazole humulone water dispersible granules
Rimsulfuron 10%, isoxazole humulone 55%, aryl phenol polyoxyethylene succinate sulfonate 3%, neopelex 3%, urea 3%, xanthans 0.8%, kaolin add to 100%, the mixed 65% rimsulfuron isoxazole humulone water dispersible granules that gets.
Embodiment 4 45% rimsulfuron isoxazole humulone water dispersible granules
Rimsulfuron 5%, isoxazole humulone 40%, alkyl benzene sulfonate calcium salt 6.5%, Nekal BX 5%, aluminium chloride 2.5%, kaolin add to 100%, the mixed 45% rimsulfuron isoxazole humulone water dispersible granules that gets.
Embodiment 5 35% rimsulfuron isoxazole humulone water dispersible granules
Rimsulfuron 5%, isoxazole humulone 30%, alkyl benzene sulfonate calcium salt 6.5%, Nekal BX 5%, aluminium chloride 2.5%, kaolin add to 100%, the mixed 35% rimsulfuron isoxazole humulone water dispersible granules that gets.
Embodiment 6 40% rimsulfuron isoxazole humulone suspending agents
Rimsulfuron 5%, isoxazole humulone 35%, alkylnaphthalene sulfonate 6%, silkworm excrement 7%, polyvinyl alcohol 0.8%, C
8～10Aliphatic alcohols 0.1%, deionized water add to 100%, the mixed 40% rimsulfuron isoxazole humulone suspending agent that gets.
Embodiment 7 32% rimsulfuron isoxazole humulone suspending agents
Rimsulfuron 8%, isoxazole humulone 24%, polycarboxylate 5%, lignosulfonates 4%, silicone defoamer 0.3%, aluminium-magnesium silicate 3%, phenyl phenol polyoxy ethyl ether phosphate 5%, vegetable oil add to 100%, the mixed 32% rimsulfuron isoxazole humulone suspending agent that gets.
Embodiment 8 24% rimsulfuron isoxazole humulone suspending agents
Rimsulfuron 4%, isoxazole humulone 20%, lignosulfonates 4%, wetting and penetrating agent F 5%, C
8～10Aliphatic alcohols 0.5%, gum Arabic 2.5%, deionized water add to 100%, the mixed 24% rimsulfuron isoxazole humulone suspending agent that gets.
Embodiment 9 44% rimsulfuron isoxazole humulone suspension emulsions
Rimsulfuron 4%, isoxazole humulone 40%, polycarboxylate 6%, phenethyl phenol polyoxy ethyl polypropylene-base ether 10%, silicone compound 0.1%, polyethylene glycol 0.5%, ethylene glycol 3%, deionized water add to 100%, the mixed 44% rimsulfuron isoxazole humulone suspension emulsion that gets.
Embodiment 10 28% rimsulfuron isoxazole humulone suspension emulsions
Rimsulfuron 10%, isoxazole humulone 18%, naphthalene sulfonic acid-formaldehyde condensation product 6%, tea are withered 5%, polyvinylpyrrolidone 1.6%, agricultural newborn 1600#7%, glycerine 2.2%, C
8～10Aliphatic alcohols 0.3%, water add to 100%, through the mixed 28% rimsulfuron isoxazole humulone suspension emulsion that gets.
Embodiment 11 18% rimsulfuron isoxazole humulone suspension emulsions
Rimsulfuron 15%, isoxazole humulone 3%, alkyl benzene sulfonate calcium salt 4%, soapberry powder 3%, phenyl phenol polyoxy ethyl ether 3%, sorbitan monostearate 4%, carboxymethyl cellulose 0.3%, glycerine 2%, deionized water add to 100%, the mixed 18% rimsulfuron isoxazole humulone suspension emulsion that gets.
Embodiment 12 48% rimsulfuron isoxazole humulone microemulsions
Rimsulfuron 8%, isoxazole humulone 40%, N, dinethylformamide 3%, By series 10%, ethylene glycol monomethyl ether 2%, polyethylene glycol 8%, C
8～10Aliphatic alcohols 1%, deionized water adds to 100%, through the mixed 48% rimsulfuron isoxazole humulone microemulsion that gets.
Embodiment 13 36% rimsulfuron isoxazole humulone microemulsions
Rimsulfuron 6%, isoxazole humulone 30%, sapn series 8%, methyl alcohol 5%, aliphatic alcohol polyoxyvinethene phosphate 7%, propane diols 3%, gelatin 2%, deionized water supplies 100%, the mixed 36% rimsulfuron isoxazole humulone microemulsion that gets.
Embodiment 14 24% rimsulfuron isoxazole humulone microemulsions
Rimsulfuron 16%, isoxazole humulone 8%, tween 4%, alkylbenzenesulfonate 3%, phenethyl phenol polyethenoxy ether phosphate 5%, propane diols 6%, butyl ether 2%, deionized water supplies 100%, the mixed 24% rimsulfuron isoxazole humulone microemulsion that gets.
Embodiment 15 42% rimsulfuron isoxazole humulone aqueous emulsions
Rimsulfuron 6%, isoxazole humulone 36%, N-pyrrolidones 3%, castor oil polyoxyethylene ether 4%, OP series 5%, gelatin 0.5%, glycerine 5%, sodium chloride 2%, silicone oil 0.4%, deionized water supplies 100%, makes 42% rimsulfuron isoxazole humulone aqueous emulsion.
Embodiment 16 30% rimsulfuron isoxazole humulone aqueous emulsions
Rimsulfuron 6%, isoxazole humulone 24%, phenethyl phenol polyethenoxy ether 5%, alkylbenzenesulfonate 5%, OP series 5%, glycerine 5%, gum Arabic 2%, silicone oil 0.4%, deionized water supplies 100%, makes 30% rimsulfuron isoxazole humulone aqueous emulsion.
Embodiment 17 20% rimsulfuron isoxazole humulone aqueous emulsions
Rimsulfuron 10%, isoxazole humulone 10%, N-octylpyrrolidone 2%, alkyl biphenyl ether disulfonic acid magnesium salts 5%, butanols 3%, ethylene glycol 5%, C
8～10Aliphatic alcohols 0.8%, deionized water adds to 100%, makes 20% rimsulfuron isoxazole humulone aqueous emulsion.
Application Example three: rimsulfuron is Yu isoxazole humulone control of maize field weed field control effectiveness test
The control medicament: rimsulfuron is Yu isoxazole humulone complex composition is researched and developed production by Shaanxi Welch Crop Protection Co., Ltd.;
Contrast medicament: 25% rimsulfuron water dispersible granules (commercial); 75% isoxazole humulone water dispersible granules (commercial);
If artificial weeding and clear water control treatment.
Using method: convert behind 30 liters in the water evenly that cauline leaf sparges in each sub-district for every mu
Spraying time:, the weeds in field 2-4 leaf phase, carry out cauline leaf spraying 1 time in the corn 2-4 leaf phase.
Dispenser place: Fuping County, Xianyang, Shanxi province city
Investigation method and drug effect are calculated:
Investigation weeds object is: weeds such as Amaranthus retroflexus, nutgrass flatsedge, barnyard grass grass, investigate back 15 days, 30 days to strain preventive effect of weeds and 30 days fresh weight preventive effect.
The visual test medicament does not have poisoning to corn to be taken place.
The table 2 rimsulfuron isoxazole humulone built composition for preventing and controlling corn field weed test of pesticide effectiveness
Rimsulfuron has good control efficiency Yu the isoxazole humulone is composite to corn field Amaranthus retroflexus, nutgrass flatsedge, barnyard grass grass as shown in Table 2, and corn there is certain volume increase, preventive effect is better than single agent preventive effect, and contrast medicament, artificial weeding, with respect to significant difference between the rate of growth of clear water control treatment, and have quick-acting and lasting effect preferably, in this test scope of medication, to corn safety.
Claims (5)
1. Herbicidal combinations that contains rimsulfuron and isoxazole humulone, it is characterized in that: Herbicidal combinations contains effective composition rimsulfuron 1～70%, isoxazole humulone 1～70%, auxiliary agent and other excipient surpluses.
2. Herbicidal combinations according to claim 1 is characterized in that: Herbicidal combinations contains rimsulfuron 5～35%, isoxazole humulone 5～50%, auxiliary agent and other excipient surpluses.
3. Herbicidal combinations according to claim 1 is characterized in that: composition is made wetting powder, water dispersible granules, suspending agent, suspension emulsion, aqueous emulsion, microemulsion.
4. Herbicidal combinations according to claim 1 is used for the application of control of maize field annual weed.
5. Herbicidal combinations according to claim 4 is used to prevent and treat the application of piemarker, Siberian cocklebur, lamb's-quarters, summer cypress, chickweed, black nightshade, Veronica, elscholtiza, datura, salsola collina, willow leaf thorn knotweed, lady's thumb, Amaranthus retroflexus, kitchen garden, clearvers, field mustard, nutgrass flatsedge, creeping thistle, barnyard grass grass, eleusine indica, lady's-grass, knucklegrass, moleplant seed, green foxtail.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651481A (en) * | 2013-12-28 | 2014-03-26 | 山东康乔生物科技有限公司 | Rimsulfuron-containing weeding composition |
| CN109699669A (en) * | 2019-02-27 | 2019-05-03 | 安徽省农业科学院植物保护与农产品质量安全研究所 | A kind of ternary weeding composition and its application for corn field weed |
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| CN103651481A (en) * | 2013-12-28 | 2014-03-26 | 山东康乔生物科技有限公司 | Rimsulfuron-containing weeding composition |
| CN109699669A (en) * | 2019-02-27 | 2019-05-03 | 安徽省农业科学院植物保护与农产品质量安全研究所 | A kind of ternary weeding composition and its application for corn field weed |
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