CN108013065A - A kind of herbicide decrement control careless method of dispenser prevention and control transplanting rice at whole growth periods crop smothering - Google Patents
A kind of herbicide decrement control careless method of dispenser prevention and control transplanting rice at whole growth periods crop smothering Download PDFInfo
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- CN108013065A CN108013065A CN201711312988.5A CN201711312988A CN108013065A CN 108013065 A CN108013065 A CN 108013065A CN 201711312988 A CN201711312988 A CN 201711312988A CN 108013065 A CN108013065 A CN 108013065A
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- rice
- cyhalofop
- butyl
- sulfometuron methyl
- promazine
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
-
- 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
- A01N39/00—Biocides, pest repellants or attractants, or plant growth regulators containing aryloxy- or arylthio-aliphatic or cycloaliphatic compounds, containing the group or, e.g. phenoxyethylamine, phenylthio-acetonitrile, phenoxyacetone
- A01N39/02—Aryloxy-carboxylic acids; Derivatives thereof
- A01N39/04—Aryloxy-acetic acids; Derivatives thereof
Abstract
This application involves a kind of careless method of herbicide decrement control of dispenser prevention and control transplanting rice at whole growth periods crop smothering.10 18 day optimum period, once sprayed a kind of composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl after this method includes rice transplanting, and the mass ratio of promazine Sulfometuron Methyl and cyhalofop-butyl is 2 20: 2 50 in composition pesticide.Dispenser of this method effectively controls transplanting rice at whole growth periods crop smothering, herbicide is reduced to use 23 times, reduce the usage amount 30% 60% of herbicide, save the reagent cost and cost of labor of weed control, reduce adverse effect of the pesticide to ecological environment, economic, ecology and social benefit are notable；Action target different herbicidal composition optimum period, is applied in right amount, is realized the decrement synergy of pesticide, is subtracted and apply pest controlling and crop smothering Sustainable Treatment, extends the service life of medicament, the comprehensive regulation important in inhibiting to Weed Resistance.
Description
Technical field
The application belongs to technical field of pesticide, and in particular to an a kind of dispenser prevention and control transplanting rice at whole growth periods crop smothering
The careless method of herbicide decrement control.
Background technology
The use of chemical herbicide is the one of the important signs that of agricultural modernization.But in recent years, in herbicide usage amount day
Under the background that benefit increase, environmental risk increasingly increase, Weed infestation but still aggravates year by year, and huge prestige is formed to agricultural production
The side of body.At present, paddy field weed prevent and kill off apply mechanically " envelope, two kill, three mend " pattern, not for small transplantation of seedlings, seeding row spacing it is wide,
Unique rice planting technology cultivation features such as rice shoot plant injury is big, the work of field shallow water, herbicide application amount is big, of high cost, drug effect
Unstable, poisoning takes place frequently, and also improves herbicide resistance risk, increases the influences on environmental ecosystem.Therefore, exploratory development rice
The dispenser in machine transplanting of rice rice seedling bed and kept for the optimum period without grass in rice whole breeding time control grass product in right amount and its application process seems
It is particularly important that.
Promazine Sulfometuron Methyl, chemical name：1- (the chloro- 6- propyl imidazoles [1,2-b] of 2- and pyridazine -3- bases sulfonyl) -3- (4,
6- dimethoxypyridin -2- bases) urea.Belong to acetolactate synthestase (ALS) inhibitor, can be absorbed, planted by weeds root and leaf
Strain conduction in vivo.Promazine Sulfometuron Methyl is more to barnyard grass, firefly Lin, Monochoria vaginalis, Procumbent Falsepimpernel, mexicana, waterwort, Herba Cyperi Glomerati and Chinese celery etc.
Kind grass family, broad-leaved class, sedge weed are effective (especially to barnyard grass effect more preferably), and the weeds for resisting sulfonylurea herbicide have
Effect, there is wide application space in rice field.
Cyhalofop-butyl, chemical name：(R) -2- [4 (4- cyano group -2- fluorophenoxies) phenoxy group]-butyl propionate.Cyanogen fluorine grass
Ester is uniquely to the kind of rice safety in fragrant phenoxy phenoxy propionic acid herbicide.The medicament can be inhaled by the blade and leaf sheath of plant
Receive, bast conduction, accumulates the meristem zone in plant, suppresses acetyl-CoA carboxylase (ACCase) synthesis, causes fat
Fat acid biosynthesis block, cell can not normal growth division, the destruction of the structure containing fat such as membranous system, Plant death.
The content of the invention
Goal of the invention：For develop immunity to drugs in the prior art to farmland weed problem, single use prevention effect it is poor,
The problem of first use is difficult to effectively control Weed infestation in transplanting rice whole breeding time, at the same it is multiple in order to alleviate pesticide
The pressure that environment is brought is administered to, reduces pesticide residue.The object of the present invention is to provide a kind of dispenser prevention and control transplanting water
The careless method of herbicide decrement control of rice time of infertility crop smothering, the dispenser control whole breeding time whole process crop smothering of transplanting rice,
Subtract medicine control grass, have efficiently, wide spectrum, the advantage such as environmentally friendly, the features such as beneficial to the rice planting technology field weed comprehensive regulation.
Technical solution：In order to realize foregoing invention purpose, the technical solution adopted by the present invention is：
10-18 days after rice planting technology transplanting, only once dispenser can prevention and control transplanting rice whole breeding time whole grass
The harmful careless method of herbicide decrement control.
A kind of composition pesticide of transplanting rice at whole growth periods crop smothering, it is characterised in that：After rice planting technology only once
Spray the composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl, the mass ratio of promazine Sulfometuron Methyl and cyhalofop-butyl is 2-20: 2-
50。
The preferred mass of promazine Sulfometuron Methyl and cyhalofop-butyl ratio is 1: 3,1: 5,9: 8,3: 5 and 3: 1.
A kind of pesticidal preparations of Sulfometuron Methyl containing promazine and cyhalofop-butyl, the preparation include Sulfometuron Methyl containing promazine and cyanogen fluorine grass
The composition pesticide of ester and the acceptable auxiliary material of field of pesticide preparation, the pesticidal preparations are acceptable any one for pesticide field
Kind formulation.
The formulation of the pesticidal preparations for wettable powder, water dispersible granules, aqueous suspension agent, microemulsion, finish, missible oil,
Granule, effervescent tablet, microcapsule formulations, aqueous emulsion or oil-suspending agent.
Active ingredient accounts for the 1-90% of pesticidal preparations gross weight in the pesticidal preparations.
The auxiliary material be selected from wetting agent, dispersant, spreader-sticker, stabilizer, bleeding agent, thickener, antifreezing agent, defoamer,
Filler, solvent；Wherein, the wetting agent for neopelex, calcium dodecyl benzene sulfonate, lauryl sodium sulfate,
Lignosulfonates, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl phenol polyethenoxy ether, nonyl phenol
One or more among polyoxyethylene ether；The dispersant is lignosulfonates, alkylbenzenesulfonate, alkyl phenol polyoxy second
Alkene ether, nonylphenol polyoxyethylene ether, alkyl ethyl sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products and one kind of polycarboxylic acid salt
It is or several；The stabilizer is the one or more in epoxidized vegetable oil such as epoxidised soybean oil, epoxidized linseed；Institute
Spreader-sticker is stated as polyvinyl alcohol, alkyl diphenyl ether and the one or more in sodium sulfonate, poly- trisiloxanes, triethanolamine oleate；
The solvent is soybean oil, the one or more in methyl oleate, white oil, turpentine oil methyl naphthalene higher aliphatic hydrocarbon ils；It is described to fill out
Expect for the one or more in white carbon, cornstarch, kaolin, diatomite, sodium sulphate, ammonium sulfate.
Application of the composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl in rice terrace crop smothering is prevented and kill off, the rice terrace
It is rice mechanical transplanting rice seedling bed, only once dispenser can prevent the whole breeding time field crop smothering of rice to the composition pesticide.The agriculture
Drug composition uses for 10-18 days after rice planting technology when preventing rice planting technology field weed.
The Sulfometuron Methyl containing promazine and the pesticidal preparations of cyhalofop-butyl prevent and kill off the application of rice terrace crop smothering, the rice terrace
It is rice mechanical transplanting rice seedling bed, only once dispenser can prevent in the whole breeding time field crop smothering of rice the pesticidal preparations.The agriculture
Medicine preparation uses for 10-18 days after rice planting technology when preventing rice planting technology field weed.
The production of the various application forms of the composition pesticide of the Sulfometuron Methyl containing promazine and cyhalofop-butyl uses existing skill
Preparation process known to art.
The composition pesticide and its pesticidal preparations of Sulfometuron Methyl containing promazine and cyhalofop-butyl provided by the invention, generally use poison
Soil, poison fertilizer, spread fertilizer over the fields, trickle irrigation or spraying etc. conventional application method use, can also be as needed using agriculturally applying
Other use technology.
Beneficial effect：Compared with prior art, technical solution using the present invention, only once dispenser can prevention and control rice machine
Rice transplanting field whole process crop smothering, specific advantage include but not limited to it is following some：
1) implementation of technical scheme is that (specific dispenser period was in 10-18 days after rice planting technology transplanting
One of specified features of technical scheme), rice work at this time, grassy weed is in the 3-4 leaf phases, which applies
Medicine weed size is small, drug resistance ability is low, and living of rice, has certain drug resistance, using herbicide described herein
Composition/preparation can the effectively a variety of weeds of prevention and control rice terrace, and to rice safety, beneficial to the drug effect for giving full play to herbicide, dropping
Low herbicide usage amount.
2) technical scheme is related to the composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl, and above two is effective
Component shows synergistic effect in certain ratio range, and the prevention effect of composition is significantly increased than single dose, beyond ability
The expection of field technique personnel.Using the technical solution of the application, only once medication can solve various weed problems, compensate for list
The defects of when agent uses and limitation, reduce the dosage of pesticide, reduce times for spraying, reduce drug cost, subtract
Adverse effect of the pesticide to ecological environment is lacked.
3) composition pesticide of cinosulfuron containing promazine of the invention and cyhalofop-butyl, both are mixed can effectively to prevent and kill off grass
The weeds such as section, broad-leaved class and sedge weed, antagonism barnyard grass, Monochoria vaginalis, Monochoria korsakowii, ear leaf water amaranth are effective, can extend medicine
The service life of agent, the comprehensive regulation important in inhibiting to Weed Resistance.
4) composition pesticide of cinosulfuron containing promazine of the invention and cyhalofop-butyl, drug effect play rapidly, lasting period length, and one
Secondary dispenser controls the whole breeding time whole process crop smothering of transplanting rice, and use cost is low, time saving and energy saving, its popularization and application has
Huge economic benefit and social benefit.
Specific embodiment
With reference to specific embodiment, the present invention is further illustrated.As described below is only the preferable implementation of the present invention
Example, is used only for the description present invention, it is impossible to be interpreted as limiting the scope of the present invention.It is it should be pointed out that all in the present invention
Spirit and principle within all any modification, equivalent and improvement done etc., should be included in protection scope of the present invention it
It is interior.
In following embodiments, unless otherwise indicated, all percentages are weight percentage.
Embodiment 1：20% promazine Sulfometuron Methyl cyhalofop-butyl oil-suspending agent
The each group of the composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl is divided into：Promazine Sulfometuron Methyl 5%, cyhalofop-butyl
15%, phenethyl phenol polyoxyethylene ether 5%, sodium lignin sulfonate 8%, epoxidized soybean oil 5%, organobentonite 5%, oleic acid
Methyl esters is to 100%.
After promazine Sulfometuron Methyl is mixed with filling adsorption, then other above-mentioned materials (except organobentonite) are added together
Into reaction kettle mixer, stir evenly, material is injected in multistage sand mill and is ground, the fineness of materials after grinding 98% passes through
Discharge after 1-5 μm, material is put into togerther in high-shear emulsifying kettle with the organobentonite dissolved in advance, can be made after emulsification
Into 20% promazine Sulfometuron Methyl cyhalofop-butyl oil-suspending agent.
Embodiment 2：30% promazine Sulfometuron Methyl cyhalofop-butyl suspending agent
The each group of the composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl is divided into：Promazine Sulfometuron Methyl 5%, cyhalofop-butyl
25%, phenethyl phenol polyoxyethylene ether 5%, sodium lignin sulfonate 8%, ethylene glycol 5%, aluminium-magnesium silicate 2%, defoamer
0.5%, preservative 0.1%, xanthans 0.1%, water to 100%.
After promazine Sulfometuron Methyl is mixed with filling adsorption, then other above-mentioned materials (except xanthans) are added to instead together
Answer in kettle mixer, stir evenly, material is injected in multistage sand mill and is ground, the fineness of materials 98% after grinding passes through 1-5 μ
Discharge after m, material is put into togerther in high-shear emulsifying kettle with the xanthans that dissolve in advance, is that can be made into 30% the third after emulsification
Piperazine Sulfometuron Methyl cyhalofop-butyl suspending agent.
Embodiment 3：34% promazine Sulfometuron Methyl cyhalofop-butyl wettable powder
The each group of the composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl is divided into：Promazine Sulfometuron Methyl 8%, cyhalofop-butyl
26%, lauryl sodium sulfate 2%, sodium butylnaphthalenesulfonate 3%, calcium lignosulfonate 5%, white carbon 5%, kaolin is extremely
100%.
After promazine Sulfometuron Methyl filling adsorption is mixed, add in cone-type mixer and mixed together with other above-mentioned materials
It is even, crushed by airslide disintegrating mill, the material after crushing is mixed through cone-type mixer again, and mixed fineness of materials 98% passes through
34% promazine Sulfometuron Methyl cyhalofop-butyl wettable powder is made in 325 mesh standard sieves.
Embodiment 4：48% promazine Sulfometuron Methyl cyhalofop-butyl water-dispersible granule
The each group of the composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl is divided into：Promazine Sulfometuron Methyl 18%, cyhalofop-butyl
30%, lauryl sodium sulfate 4%, metal carboxylate 5%, urea 10%, adds kaolin to 100%.
After promazine Sulfometuron Methyl is mixed with filling adsorption, add in cone-type mixer and mixed together with other above-mentioned materials
It is even, crushed by airslide disintegrating mill, the material after crushing is mixed through cone-type mixer again, and mixed fineness of materials 98% passes through
325 mesh standard sieves, add in kneader and are kneaded into plasticity material, this material finally is put into extruding in Squeezinggranulator makes
Grain, 48% promazine Sulfometuron Methyl cyhalofop-butyl water-dispersible granule is made after granulation through drying, screening.
Embodiment 5：60% promazine Sulfometuron Methyl cyhalofop-butyl oil-suspending agent
The each group of the composition pesticide of Sulfometuron Methyl containing promazine and cyhalofop-butyl is divided into：Promazine Sulfometuron Methyl 45%, cyhalofop-butyl
15%, lauryl sodium sulfate 2%, sodium butylnaphthalenesulfonate 3%, calcium lignosulfonate 5%, white carbon 5%, kaolin is extremely
100%.
After promazine Sulfometuron Methyl is mixed with filling adsorption, then other above-mentioned materials (except organobentonite) are added together
Into reaction kettle mixer, stir evenly, material is injected in multistage sand mill and is ground, the fineness of materials after grinding 98% passes through
Discharge after 1-5 μm, material is put into togerther in high-shear emulsifying kettle with the organobentonite dissolved in advance, can be made after emulsification
Into 60% promazine Sulfometuron Methyl cyhalofop-butyl oil-suspending agent.
Embodiment 6：Promazine Sulfometuron Methyl and the screening of cyhalofop-butyl optimum proportioning
In order to further appreciate that the synergy of promazine Sulfometuron Methyl and cyhalofop-butyl mixture to weeds, the present inventor is to promazine
Sulfometuron Methyl and cyhalofop-butyl mixture have carried out formulation screening test.
Test material：Barnyard grass (Echinochloa Beauv.), Monochoria vaginalis (Monochoria vaginalis
(Burm.F.) Presl ex Kunth), in September, 2015 is picked up from the experimental plot of Jiangsu Province Agriculture Science Institute, after adopting under room temperature
Natural air drying, loads paper bag, is placed in 4 DEG C of ± 0.5 DEG C of refrigerators and preserves.
Test apparatus：PWT-510 types spray tower, plum Teller AB135-S electronic balances, volumetric flask, triangular flask, beaker, amount
Cylinder, polypots, pipette, ruler, scissors etc..
Test method：The promazine Sulfometuron Methyl and cyhalofop-butyl active compound of certain mass are first weighed, after addition methanol fully dissolves
Diluted with 0.1% Tween 80 aqueous solution, be configured to single dose mother liquor, series proportioning is set according to mixture purpose, each proportioning is set
It is stand-by to put 5-7 concentration gradient.Polypots (15cm × 11cm × 7cm) is filled into air-dried fine earth, with polypots bottom infiltrating irrigation side
Formula, makes soil moisten completely.Soil is horse liver soil, and pH6.7, the content of organic matter 1.6%, air-dries spare after sieving.Each plastics
Alms bowl broadcasts barnyard grass 25, Monochoria vaginalis about 25 respectively, broadcasts rear fine earth covering, thickness about 0.2-0.5cm.Cultivated in heliogreenhouse to miscellaneous
The careless 2-3 leaves phase, cauline leaf spraying treatment, is watered 30kg/667m2.PWT-510 type spray towers quantification spraying (precision spraying area
For 0.2m2, spraying liquid 10ml, spray value 450L/hm2, atomisation pressure 0.5kpa).Treat that liquid is natural on plastic bowl after spray
After air-drying, it is placed in heliogreenhouse and cultivates, keeps the skin wet keep ground moistening daily.
The growing state of routine observation barnyard grass and Monochoria vaginalis seedling after medicine.30 days investigation barnyard grasses and Monochoria vaginalis overground part after medicine
Fresh weight, it is the preventive effect to target weeds to calculate fresh weight inhibition.The phonetic sulphur of single dose promazine is obtained using DPS data handling systems
The virulence regression equation of grand, cyhalofop-butyl and 8 two-spot mixed agents, calculates ED50Value and 95% confidence limit.Calculated with the abundant methods of Sun Yun
Co-toxicity coefficient.Co-toxicity coefficient is expressed as synergistic effect more than 120, and antagonism is expressed as less than 80, is expressed as between 80~120
Summation action.
Result of the test：Medicine is post-processed 20 days and observed, and promazine Sulfometuron Methyl and cyhalofop-butyl press 2-20：2-50 ratios mixture is applied
Barnyard grass and Monochoria vaginalis partial blade turn to be yellow to withered afterwards, to the inhibitory action of barnyard grass and Monochoria vaginalis with the increase of drug concentration and on
Rise, there is very high bioactivity to barnyard grass and Monochoria vaginalis.
30 days after medicine, the 8 mixture combinations of promazine Sulfometuron Methyl and cyhalofop-butyl have the overground part fresh weight of barnyard grass obvious
Inhibitory action (table 1).The co-toxicity coefficient difference of 2: 2,2: 50,20: 2,20: 50,1: 3,1: 5,3: 5 and 3: 1 proportionings in 8 proportionings
For 152.36,124.80,209.15,125.59,121.54,135.43,131.69 and 126.06, co-toxicity coefficient is more than 120, table
It is now synergistic effect (table 1).
1 promazine Sulfometuron Methyl of table-synergy of the cyhalofop-butyl mixture to barnyard grass fresh weight
8 mixtures of promazine Sulfometuron Methyl and cyhalofop-butyl, which combine, also has the fresh weight of Monochoria vaginalis obvious inhibitory action, 8
In proportioning the co-toxicity coefficients of 2: 2,2: 50,20: 2,20: 50,1: 3,1: 5,3: 5 and 3: 1 proportionings be respectively 152.79,181.59,
160.33rd, 212.81,214.86,277.11,181.08 and 133.56, co-toxicity coefficient is more than 120, shows as synergistic effect (table
2)。
2 promazine Sulfometuron Methyl of table-synergy of the cyhalofop-butyl mixture to Monochoria vaginalis fresh weight
Promazine Sulfometuron Methyl has rice terrace grass family, broad-leaved class and sedge weed preferable closing and cauline leaf process to press down
Make and use, and have the advantages that the lasting period is long；Cyhalofop-butyl has preferable control effect to rice terrace grassy weed, especially
To moleplant seed special efficacy；Both mixtures can a dispenser prevent and kill off a variety of weeds of rice terrace at the same time.Promazine Sulfometuron Methyl and cyhalofop-butyl
In 2-20: 2-50 ratio mixture, synergistic effect is shown as.
7 field control effectiveness test of embodiment
Reagent agent：Select mixed herbicide prepared in embodiment 1~3.
Comparison medicament：9.5% promazine Sulfometuron Methyl suspending agent (purchased in market)
10% cyhalofop-butyl missible oil (purchased in market)
If artificial weeding and clear water control
Background：On June 18th, 2017, mechanization transplanting 3-4 leaf phases south round-grained rice 9108 (after transplanting 10-18 days), conventional farming
Management.
Application method：Using spray-on process.
Test process：July 7, sprayed in 2~4 leaf phase of weeds in embodiment 1~4 prepared mixed herbicide and
9.5% promazine Sulfometuron Methyl suspending agent, 10% cyhalofop-butyl missible oil, separately set the conventional chemical weeding processing conduct pair of rice mechanical transplanting rice seedling bed
According to：Pesticide-clay mixture method spread fertilizer over the fields 80g/ mus of 50% mefenacet bensulfuron-methyl WP and combined the fertile method of poison on June 28 and spreads fertilizer over the fields June 14
35% 100g/ mus of pretilachlor bensulfuron-methyl WP, July 22 spray 60g/L penoxsuam cyhalofop-butyl OD 200ml/
Mu.
Respondent and method：Barnyard grass, Monochoria vaginalis, the fresh weight and plant height of the fresh weight of 60d investigation weeds and rice after medicine.
Test results and analysis are shown in Table 3.
3 field control effectiveness test result of table (60d after medicine)
From table 3 it is observed that there is obvious effect to rice mechanical transplanting rice seedling bed barnyard grass, Monochoria vaginalis using technical solution of the present invention
Fruit, preventive effect are handled apparently higher than the mixture of single dose preventive effect and routine；Substantially without grass, only once dispenser is pair in 60 days fields after medicine
Barnyard grass and Monochoria vaginalis have significant preventive effect, are significantly higher than conventional dispenser three times and handle, have unexpected lasting effect, realize
It is to control the target of transplanting rice at whole growth periods crop smothering only by a dispenser.
In addition, we have also investigated the technical solution using the application to the security of rice, the technical solution of the application
4 the results are shown in Table to the safety testing of rice.
20 days Plant Height of Rice and fresh weight after 4 medicine of table
By the result of the test of table 4, we can see that obtaining rice fresh weight and Cong Gaoyu using technical scheme
Artificial weeding is substantially similar, highly safe to rice better than other several groups of control treatments.
Embodiment 8
With reference to the method for embodiment 7, field control effectiveness test, experiment knot are carried out to mixed herbicide made from embodiment 4-5
Fruit shows that the herbicidal effect of embodiment 4-5 is similar with the herbicidal effect that embodiment 1-3 is obtained, and each mixed herbicide has obvious
Synergistic effect, all there is significant preventive effect to rice planting technology field weed, significant effect is used and routinized better than single dose and removes
Processing, lasting period length, to rice safety, a dispenser effectively controls rice mechanical transplanting rice seedling bed whole process crop smothering.
Claims (10)
1. a kind of careless method of herbicide decrement control of dispenser prevention and control rice terrace crop smothering, it is characterised in that：The method is applied
Medicine period is 10-18 days after rice transplanting, and the method only carries out a dispenser, you can the whole breeding time field of prevention rice
Crop smothering.
2. a kind of careless method of herbicide decrement control of dispenser prevention and control transplanting rice at whole growth periods crop smothering, it is characterised in that：
The dispenser period of the method is that the method only carries out a dispenser 10-18 days after rice planting technology transplanting, you can prevention
The whole breeding time field crop smothering of rice.
3. a kind of careless method of herbicide decrement control of dispenser prevention and control transplanting rice at whole growth periods crop smothering, it is characterised in that：
The described method includes the composition pesticide that Sulfometuron Methyl containing promazine and cyhalofop-butyl are once sprayed after rice planting technology, promazine Sulfometuron Methyl
Mass ratio with cyhalofop-butyl is 2-20: 2-50.
A kind of 4. pesticidal preparations of Sulfometuron Methyl containing promazine and cyhalofop-butyl, it is characterised in that：The preparation includes claim 3 institute
The acceptable auxiliary material of Sulfometuron Methyl containing promazine and the composition pesticide of cyhalofop-butyl and field of pesticide preparation stated, the preparation are
Any one acceptable formulation of pesticide field.
5. the pesticidal preparations of Sulfometuron Methyl containing promazine according to claim 4 and cyhalofop-butyl, it is characterised in that：The pesticide
The formulation of preparation for wettable powder, water dispersible granules, aqueous suspension agent, microemulsion, finish, missible oil, granule, effervescent tablet,
Microcapsule formulations, aqueous emulsion or oil-suspending agent.
6. the pesticidal preparations of Sulfometuron Methyl containing promazine according to claim 4 or 5 and cyhalofop-butyl, it is characterised in that：It is described
Active ingredient accounts for the 1-90% of weight of formulation in preparation.
7. according to claim 4-6 any one of them Sulfometuron Methyl containing promazine and the pesticidal preparations of cyhalofop-butyl, it is characterised in that：
The auxiliary material is selected from wetting agent, dispersant, spreader-sticker, stabilizer, bleeding agent, thickener, antifreezing agent, defoamer, filler, molten
Agent；Wherein, the wetting agent is neopelex, calcium dodecyl benzene sulfonate, lauryl sodium sulfate, sulfomethylated lignin
Hydrochlorate, alkyl phenol formaldehyde resin polyoxyethylene ether, aliphatic alcohol sulfate, phenethyl phenol polyethenoxy ether, Nonyl pheno
One or more among ether；The dispersant is lignosulfonates, alkylbenzenesulfonate, alkylphenol polyoxyethylene ether, nonyl
Base phenol polyethenoxy ether, alkyl ethyl sulfonate, alkylnaphthalene sulfonate formaldehyde condensation products and the one or more of polycarboxylic acid salt；
The stabilizer is the one or more in epoxidized vegetable oil such as epoxidised soybean oil, epoxidized linseed；It is described to open up
Agent is polyvinyl alcohol, the one or more in alkyl diphenyl ether disulphonic acid sodium, poly- trisiloxanes, triethanolamine oleate；It is described molten
Agent is soybean oil, the one or more in methyl oleate, white oil, turpentine oil methyl naphthalene higher aliphatic hydrocarbon ils；The filler is white
One or more in carbon black, cornstarch, kaolin, diatomite, sodium sulphate, ammonium sulfate.
8. any one of the composition pesticide or claim 4-7 of Sulfometuron Methyl containing promazine and cyhalofop-butyl described in claim 3 institute
Application of the pesticidal preparations stated in the dispenser in rice mechanical transplanting rice seedling bed prevents the whole breeding time field crop smothering of rice.
9. application according to claim 8, it is characterised in that：When preventing rice planting technology field weed, the composition
Or pesticidal preparations use for 10-18 days after rice planting technology.
10. any one of the composition pesticide or claim 4-7 of Sulfometuron Methyl containing promazine and cyhalofop-butyl described in claim 3 institute
The pesticidal preparations stated, it is characterised in that：The mass ratio of the promazine Sulfometuron Methyl and cyhalofop-butyl is 1: 3,1: 5,3: 5 and 3: 1.
Priority Applications (1)
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|---|---|---|---|
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| CN109221122A (en) * | 2018-11-09 | 2019-01-18 | 淮安市植保植检站 | Disposably close down herbicidal methods in rice mechanical transplanting rice seedling bed |
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| CN103271064A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Weeding composition |
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| CN103271064A (en) * | 2013-06-05 | 2013-09-04 | 江苏龙灯化学有限公司 | Weeding composition |
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| 王晓艳: "9.5%丙嗪嘧磺隆悬浮剂防除移栽稻田杂草试验", 《植物医生》 * |
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| CN109221122A (en) * | 2018-11-09 | 2019-01-18 | 淮安市植保植检站 | Disposably close down herbicidal methods in rice mechanical transplanting rice seedling bed |
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