CN106106466A - A kind of containing metamifop and different grass pine herbicidal composition - Google Patents
A kind of containing metamifop and different grass pine herbicidal composition Download PDFInfo
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- CN106106466A CN106106466A CN201610556514.4A CN201610556514A CN106106466A CN 106106466 A CN106106466 A CN 106106466A CN 201610556514 A CN201610556514 A CN 201610556514A CN 106106466 A CN106106466 A CN 106106466A
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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
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/74—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,3
- A01N43/76—1,3-Oxazoles; Hydrogenated 1,3-oxazoles
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
- A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
Abstract
The present invention relates to technical field of pesticide, disclose a kind of built herbicide for rice field compositions and application thereof.Comprising metamifop and different grass two kinds of effective ingredient of pine, wherein, two kinds of effective ingredient mass ratioes are 1:10 ~ 10:1, and two kinds of effective ingredient mass percent summation in the composition is 1 ~ 60%.Herbicidal combinations of the present invention, for the single dose of equally effective composition, potentiation is obvious, and effectively expand weed control spectrum, reduce effective ingredient consumption simultaneously, improve the safety to crop, and delay single medicament to use generation and the development of herbicide resistance.Herbicidal combinations of the present invention is applicable to prevent and kill off the most of grass family of rice terrace, broadleaved herb and sedge weed.Particularly occurrence injury in the direct-sowing dry rice terrace of some areas there is is good preventive effect than more serious spontaneous wheat seedling etc., Oryza sativa L. is showed safety.
Description
Technical field
The present invention relates to a kind of Herbicidal composition for rice field and application thereof.Especially a kind of containing metamifop and different grass
The herbicidal composition of pine, belongs to technical field of pesticide.
Background technology
Different grass pine (Command), also known as clomazone, chemical name 2-(2-chlorobenzyl)-4,4-dimethyl isoxazole-3-
Ketone.It is selective herbicide before organic heterocyclic class bud, carotenoid inhibitor.Root and plumelet by plant absorb, to uploading
Lead each position of plant；Stem and leaf processes and only has action of contace poison, conducts downwards.Enter the medicament in plant and hinder carotene
With chlorophyllous biosynthesis, make the weeds poetic rules and forms that rudiment is unearthed, and dead in a short time.Be applicable to Semen sojae atricolor, Caulis Sacchari sinensis, Semen arachidis hypogaeae,
Rhizoma Solani tuber osi, Nicotiana tabacum L., Brassica campestris L and rice terrace prevent and kill off annual gramineous weed and broad leaved weed.
Metamifop (Metamifop), chemical name (2R)-2-[4-[(6-chloro-2-isoxazolyl benzenesulfonamide base)] phenoxy group]-N-
(2-fluorobenzene)-N-methyl propanamide, by the aryloxyphenoxypropanoates class herbicide of Korea S Chemical Engineering Technology academy exploitation, belongs to ACC
Enzyme inhibitor, can suppress the synthesis of vegetable fatty acid.In medication few days after, to occur that blade face is moved back green for sensitive varieties, Developing restraint.Can
Effectively prevent and kill off the most of annual gramineous weed of rice terrace, such as barnyard grass, Semen Euphorbiae, Herba Digitariae and Herba Eleusines Indicae, to rice safety.
In recent years, in part rice wheat continuous cropping area, particularly plant the big province of grain as Hubei, Anhui, Jiangsu, Shandong etc., more come
The most reaction locality rice direct seeding fields, special for being that the generation of dry direct-seeding rice Tanaka's volunteer wheat Seedling is very serious, even have become as
The heaviest weeds being most difficult to preventing and treating of rice field harm.After usual little wheat harvesting, if with large-scale harvester, the wheat seeds in unrestrained field have 80
More than Jin；If with small harvester, unrestrained wheat seeds have 10-20 jin (Semen Tritici aestivi normally sows about 30 jin).
Typically there is water on suggestion rice field, and water conservation 2～3 days, most spontaneous wheat seedling can be drowned, but for direct-sowing dry
Rice field, this is generally difficult to realization.Also some suggestion high temperature, spontaneous wheat seedling i.e. can natural death.But in fact field
The fact be that a lot of local " spontaneous wheat seedling " cannot be prevented and kill off, always with paddy growth to gathering in the crops, but Semen Tritici aestivi is entirely flat, no
Solid, the most therefore rice yield can significantly decrease.
Feed back according to practical effect, early application clomazone after rice seedlings, spontaneous wheat seedling growth is had stronger
Inhibitory action, but need to strictly control dispenser dosage, otherwise easily rice seedling be caused poisoning, and succession crop also can be produced
Significantly impact.And be used alone a kind of herbicide and have that weed control spectrum is narrow, integrated control effect is undesirable, dosage is higher, miscellaneous
Grass is easier to produce the problems such as resistance.
Chinese patent CN 102792950A " containing metamifop and the herbicidal composition of oxadiazon " discloses one
Weight ratio containing metamifop and the herbicidal composition of oxadiazon, metamifop and oxadiazon is 1:50～3.5:1,
Can effectively prevent and treat the weeds such as barnyard grass in paddy field, Semen Euphorbiae, Herba Digitariae, Herba monochoriae vaginalis, Lindernia procumbens (Krock.) Phillcox., Sagittaria trifolia L. Var. Angusti-folia(Sieb.) Kitag.(Sagittaria sagittifolia L.)；Chinese patent CN
101946783A " a kind of herbicidal composition and application " thereof discloses a kind of removing containing metamifop and penoxsuam
Grass agent compositions, wherein the weight ratio of metamifop and penoxsuam is 0.1～33:0.1～99, can effectively prevent and treat rice field
The weeds such as barnyard grass, Herba Digitariae, the Radix Euphorbiae Pekinensis, Herba Commelinae；Chinese patent CN 102388894A " a kind of Herbicidal combinations " discloses one and contains
There are the herbicidal composition of penoxsuam, cyhalofop-butyl and metamifop, wherein penoxsuam, cyhalofop-butyl and oxazole
The weight ratio of acyl grass amine is 1:4～9:5～10, can effectively prevent and treat the weeds such as barnyard grass in paddy field, Herba Digitariae, Semen Euphorbiae and Herba monochoriae vaginalis；In
State patent CN 101965837A " a kind of herbicidal composition and application thereof " discloses a kind of containing cyhalofop-butyl, oxazole acyl grass
Amine and the herbicidal composition of dichloro quinolinic acid, wherein the weight ratio of cyhalofop-butyl, metamifop and dichloro quinolinic acid be 1～
20:1～20:1～60, can effectively prevent and treat the weeds such as barnyard grass in paddy field, Herba Digitariae, the Radix Euphorbiae Pekinensis, Herba Commelinae；But above-mentioned all patents are equal
It is not directed to the preventing and treating of self wheat seedling in rice field.
Inventor finds during the wheat seedling control technology of research rice field self, and metamifop and different grass pine two kinds have
Effect composition compounds, and its mechanism of action is different, not only to the barnyard grass generally occurred in rice terrace, Semen Euphorbiae, Herba Digitariae, Herba monochoriae vaginalis, duck
The grass family such as sole of the foot grass, Sagittaria trifolia L. Var. Angusti-folia(Sieb.) Kitag.(Sagittaria sagittifolia L.) and broad leaved weed have good preventive effect, simultaneously the tightest to occurrence injury in rice field, some areas
Self wheat seedling of weight has good preventive effect, and to rice safety under certain proportioning and using dosage, to succession crop safety.
Have not yet to see and be related to metamifop and the relevant report of different grass two kinds of effective ingredient complex weedicides of pine.
The present inventor to containing metamifop and different grass pine two kinds of effective ingredient Herbicidal combinations recipe determination and
Its use technology is furtherd investigate, and through lot of experiments, completes the present invention.This Herbicidal combinations can effectively solve the problem that the most anti-
The field rotating medicine dosage that weeds in paddy field of harnessing the river is faced is big, and herbicide access times are many, and pesticide residues are serious, and weeds are more difficult thoroughly
Prevent and kill off and easily produce the problems such as resistance.
Summary of the invention
It is an object of the invention to, not enough for prior art, it is provided that one has obvious synergistic function, to Oryza sativa L.
Safety, weeds spectrum is wide, low-residual, low cost, the effective ingredient that can effectively delay herbicide resistance to produce be metamifop with
The Herbicidal composition for rice field that different grass pine is compounding.
Realizing the technical solution adopted in the present invention is: Herbicidal combinations of the present invention with metamifop and different grass pine is
Effective ingredient, the mass ratio of described metamifop and different grass pine is 1:20～20:1
Described metamifop and different grass pine weight account for the 1～60% of Herbicidal combinations gross mass.
Described insecticides adjuvant is selected from carrier, solvent, emulsifying agent, pesticide surfactant, wetting agent, dispersant, thickening
One or more in agent, synergist, antifreezing agent, defoamer etc..
Described carrier is selected from white carbon, Kaolin, kieselguhr, bentonite, precipitated calcium carbonate, Gypsum Fibrosum, attapulgite, pottery
One or more in soil, soluble starch, carbamide etc..
Described solvent be selected from methyl oleate, S-100, S-150, S-200, dimethylbenzene, trimethylbenzene, methyl naphthalene, Semen Maydis oil,
One or more in soybean oil, Oleum Brassicae campestris, Oleum Arachidis hypogaeae semen and water etc..
Described emulsifying agent is selected from castor oil polyoxyethylene ether, alkylphenol polyoxyethylene phosphate ester, phenyl phenol polyoxy second
One or more in alkene ether, styrylphenol polyoxyethylene ether, fatty alcohol-polyoxyethylene ether, alkylbenzene naphthenic acid salt etc..
Described surfactant is selected from alkylsulfonate, Negel, alkylphenol polyoxyethylene, dodecyl
Sodium sulfate, calcium dodecyl benzene sulfonate, lignosulfonates, carboxymethyl cellulose, triphenyl vinyl phenol, alcohol ethoxy
One or more in compound, Oleum Ricini ethoxy compound and amine ethoxy compound etc..
Described wetting agent be selected from aliphatic alcohol sulfate, fatty alcohol-polyoxyethylene ether, polyoxyethylenated alcohol sodium sulfate,
PULLRONIC F68 block polymer, benzene sulfonamide acid alkali metal salt, dialkyl succinylsuccinate sulfonated ester, lignin sulfonic acid
One or more in salt, alkylphenol polyoxyethylene, alkylphenol polyoxyethylene formaldehyde condensation products, Saponin etc..
Described dispersant is selected from lignosulfonates, alkylbenzenesulfonate, alkylphenol polyoxyethylene, alkyl naphthalene sulfonic acid
Salt, N-Methyl fatty acyl group-taurate, alkylphenol polyoxyethylene formaldehyde condensation products, aralkyl benzene sulfonate, alkylnaphthalene sulphur
In acid formaldehyde condensation products sodium salt, aralkyl naphthalene sulfonic acid-formaldehyde condensation product sodium salt, polycarboxylate, aliphatic amine polyoxyethylene ether etc. one
Plant or several.
Described thickening agent is selected from xanthan gum, gelatin, arabic gum, guar gum, sodium alginate, Carboxymethyl cellulose sodium, gathers
One or more in vinyl alcohol, polyacrylamide, meteorological white carbon, sulphuric acid magnalium, kieselguhr, organic spray profit soil etc..
In described synergist optional autohemagglutination trisiloxanes, fatty alcohol-polyoxyethylene ether, succinic acid di-isooctyl sulfonate etc.
One or more.
Described antifreezing agent is selected from propylene glycol, one or more in ethylene glycol and glycerol etc..
Described defoamer is silicone defoamer.
Herbicidal combinations of the present invention, can by conventional pesticide producing mode, processing be prepared as wettable powder, cream,
Aqueous emulsion, suspending agent, dispersible the multi-form such as oil-suspending agent, water dispersible granules applicable agricultural production use dosage form.
Herbicidal combinations of the present invention, broad weed-killing spectrum, herbicidal effect is notable, especially endangers in the rice terrace of some areas
Evil has good preventive effect than self more serious wheat seedling.Crop Oryza sativa L. is showed safety simultaneously.
And owing to each effective ingredient action site in plant is different with model of action, therefore according to existing anti-
Property generation theory of development, Herbicidal combinations of the present invention can effectively avoid, delay or control herbicide resistance generation and send out
Exhibition.
Detailed description of the invention
In order to make those skilled in the art be better understood from the essence of the present invention, come this below in conjunction with specific embodiment
Invention is further described, but does not limit the invention to these detailed description of the invention.Those skilled in the art should recognize
Knowledge is arrived, all alternatives, improvement project and the equivalents potentially included in present invention encompasses Claims scope.
Example of formulations 1:42% metamifop. different grass pine wettable powder
15 parts of weight of metamifop, different grass 27 parts of weight of pine, 1.5 parts of weight wetting agent pull open powder, 6 parts of weight dispersions
Agent D425,5 parts of weight of white carbon, fine particle calcium carbonate is mended to 100 parts of weight.Above component mix homogeneously laggard row comminution by gas stream is obtained
42% metamifop. different grass pine wettable powder.
Example of formulations 2:40% metamifop. different grass pine wettable powder
10 parts of weight of metamifop, different grass 30 parts of weight of pine, 2 parts of weight sodium lauryl sulphates, 3 parts of weight are wooden
Element sodium sulfonate, 3 parts of weight dispersant NNO, Kaolin is mended to 100 parts of weight.By above component mix homogeneously laggard circulation of qi promoting stream powder
Broken obtain 40% metamifop. different grass pine wettable powder.
Example of formulations 3:15% metamifop. different grass pine cream
3 parts of weight of metamifop and different grass 12 parts of weight of pine are dissolved in the 150# solvent naphtha of 65 parts, are subsequently adding 6 parts of breasts
Agent 500#, 4 parts of emulsifying agent 34#, 10 parts of emulsifying agent fatty alcohol-polyoxyethylene ether TO-7 shear mixing and can be prepared by 15% oxazole
Acyl grass amine. different grass Oleum Pini cream.
Example of formulations 4:56% metamifop. different grass pine cream
8 parts of weight of metamifop and different grass 48 parts of weight of pine are dissolved in the 150# solvent naphtha of 29 parts, are subsequently adding 6 parts of breasts
Agent 500#, 4 parts of emulsifying agent 34#, 5 parts of emulsifying agent fatty alcohol-polyoxyethylene ether TO-7 shear mixing and can be prepared by 56% oxazole acyl
Grass amine. different grass Oleum Pini cream.
Example of formulations 5:10% metamifop. different grass pine aqueous emulsion
The 150# that 4 parts of weight of metamifop, different grass 6 parts of weight of pine, the emulsifying agent D935 of 5 parts of weight are dissolved in 30 parts is molten
Agent oil obtains oil phase；The water of 47.7 parts of weight adds the xanthan gum of 0.1 part of weight, 0.2 part, 2 parts weight emulsion dispersions of Kazon
Agent D3020,5 parts of mix homogeneously of antifreezing agent propylene glycol obtain aqueous phase；It is slowly added to oil phase during high speed shear aqueous phase, adds
Rear continuation is sheared and i.e. be can get 10% metamifop in 30 minutes. different grass pine aqueous emulsion
Example of formulations 6:20% metamifop. different grass pine aqueous suspension agent.
12 parts of weight of metamifop, different grass 8 parts of weight of pine, the wetting agent 500LQ of 1 part of weight, 3.5 parts in weight
The sub-dispersant SC in sieve ground, 0.5 part of weight of xanthan gum, 0.5 part of weight of sodium benzoate, 5 parts of weight of glycerol, water is mended to 100 parts of weights
Amount, mixes above component cutter high speed shear and carries out sand milling by sand mill, prepares 20% metamifop. and different
Grass pine suspending agent.
Example of formulations 7:12% metamifop. different grass pine aqueous suspension agent.
8 parts of weight of metamifop, different grass 4 parts of weight of pine, the wetting dispersing agent 500LQ of 1 part of weight, 3 parts of weight
The sub-dispersant SC in sieve ground, 0.5 part of weight of xanthan gum, 0.5 part of weight of sodium benzoate, 5 parts of weight of glycerol, water is mended to 100 parts of weights
Amount, mixes above component cutter high speed shear and carries out sand milling by sand mill, prepares 20% metamifop. and different
Grass pine suspending agent.
Example of formulations 8:15% metamifop. different grass Oleum Pini suspending agent
5 parts of weight of metamifop, different grass 10 parts of weight of pine, bamboo this grease emulsifier YUS-110 of 20 parts of weight, 5
Bamboo this oils and fats dispersant EP60P of part weight, 1.5 parts of organobentonite 838F in weight, 0.2 part of weight of gas-phase silica,
15 parts of weight of No. 200 solvent naphthas, methyl oleate is mended to 100 parts of weight, above component cutter high speed shear is mixed and led to
Cross sand mill and carry out sand milling, prepare 15% metamifop. different grass Oleum Pini suspending agent.
Example of formulations 9:30% metamifop. different grass Oleum Pini suspending agent
6 parts of weight of metamifop, different grass 24 parts of weight of pine, bamboo this grease emulsifier YUS-110 of 20 parts of weight, 5
Bamboo this oils and fats dispersant EP60P of part weight, 1.5 parts of organobentonite 838F in weight, 0.2 part of weight of gas-phase silica,
15 parts of weight of No. 200 solvent naphthas, methyl oleate is mended to 100 parts of weight, above component cutter high speed shear is mixed and led to
Cross sand mill and carry out sand milling, prepare 30% metamifop. different grass Oleum Pini suspending agent.
Example of formulations 10:48% metamifop. different grass pine water dispersible granules
By metamifop 30 kilograms, different grass pine 18 kilograms, white carbon 12 kilograms, wetting agent EFW 2 kilograms, dispersant
In polycarboxylate WG7 7 kilograms, glucose 5 kilograms, Kaolin 26 kilograms input mixing kettle, after mix homogeneously, comminution by gas stream obtains
Powder, then add water kneading pelletize and drying obtain water dispersible granules.
Mixed with different grass pine with reaction metamifop definitely below by way of greenhouse pot culture active determination test
Potentiation to spontaneous wheat seedling, between further comparative composition, and the activity of weeding between compositions and single dose, in order to
Better illustrate Herbicidal combinations of the present invention.
Raw embodiment 1 of surveying: metamifop and the different mixed synergy to spontaneous wheat seedling of grass pine are tested, test according to
Following step is launched.
Test target: select the more difficult spontaneous wheat seedling prevented and kill off of dry direct-seeding rice Tanaka for test target.
Examination material is cultivated: test soil is the test special soil that non-medication plot is collected, selection bore 8cm, deep 7cm flowerpot,
Soil is filled to 3/4 height, adds water after soil is completely moistening, the wheat seed after presoaking and germinating is the most uniformly cast to basin alms bowl
In, then cover one layer 0.5～the mixed husky fine earth of 1.0cm thickness, about every basin 10-15 strain, hot-house culture, regular moisturizing is to keep
The soil moisture of 100%, treats that each target length to 2-3 leaf is expected to use.
Test medicine: 96% metamifop TC and 95% different grass pine TC, by the Zhejiang limited public affairs of Tian Feng bioscience
Department provides.
Test method: use greenhouse pot culture method, carries out stem and leaf spraying treatment for examination weeds under each dosage.Often process and set 4 times
Repeat, separately set blank.Processing in rearmounted greenhouse and cultivate, periodically with bottom-irrigating mode moisturizing, the soil of holding 100% is wet
Degree.
Investigation method: routine observation plant reaction symptom after process, and after medicine 15d press 0-100% ocular estimate evaluation combine
Close activity of weeding, measure 21d aerial parts weeds fresh weight simultaneously, calculate fresh weight inhibition, evaluate medicament pair with fresh weight inhibition
Target virulence.
Fresh weight inhibition (%)=(comparison fresh weight-process fresh weight)/comparison fresh weight * 100.
Synergy evaluation methodology: use DPS software analysis, calculates virulence equation, LC50 value (mg/L) and co-toxicity coefficient
CTC, the results are shown in Table 1.
Table 1: metamifop, different grass pine single dose and mixed to spontaneous wheat seedling virulence test result.
Wherein co-toxicity coefficient > 120 expression potentiations.
From above-mentioned test, metamifop is mixed in the range of test matched proportion density with different grass pine to be had significantly
Potentiation.
Application Example: prevent and kill off the paddy field weed test of pesticide effectiveness:
Test medicine:
(1) example of formulations 1:42% metamifop. different grass pine wettable powder
(2) example of formulations 2:40% metamifop. different grass pine wettable powder
(3) example of formulations 3:15% metamifop. different grass pine cream
(4) example of formulations 4:56% metamifop. different grass pine cream
(5) example of formulations 5:10% metamifop. different grass pine aqueous emulsion
(6) example of formulations 6:20% metamifop. different grass pine aqueous suspension agent
(7) example of formulations 7:12% metamifop. different grass pine aqueous suspension agent
(8) example of formulations 8:15% metamifop. different grass Oleum Pini suspending agent
(9) example of formulations 9:30% metamifop. different grass Oleum Pini suspending agent
(10) example of formulations 10:48% metamifop. different grass pine water dispersible granules
(11) comparison medicament 1:10% metamifop cream
(12) comparison medicament 2:480g/L different grass pine cream
Trial crops and object: direct-sowing dry Oryza sativa L., front stubble Semen Tritici aestivi, Oryza sativa L. length of time rice seedlings grow 3-4 leaf, field main weeds is with volunteer wheat
The crop smotherings such as Seedling and barnyard grass, Semen Euphorbiae, Herba Digitariae occur serious.
Every test medicine sets 3 to be repeated to process, and totally 45 process community, often process plot area 20m2, and random district group is arranged
Row.Set artificial weeding and clear water control treatment simultaneously.
Each medicament is watered 30 kilograms by test dose every mu, and uniform stem and leaf spraying treatment is in each community.
Experimental investigation processes latter 15 days to weeds strain preventive effect and 30 days fresh weight preventive effects to weeds.
Preventive effect (%)=[clear water matched group weeds strain number (fresh weight)-process group weeds strain number (fresh weight)]/clear water matched group
Weeds strain number (fresh weight) * 100.
Visual test medicament (embodiment 1～embodiment 12) occurs without notable poisoning Oryza sativa L. is equal.
Table 2: 15 days each test medicine weeds various to field strain preventive effects after medicine
Table 3: after medicine, 30 days each test medicines are to weeds in field fresh weight efficiency test result
From table 2 and table 3, example of formulations 1～embodiment 10 to weeds such as self wheat seedling, barnyard grass, Herba Digitariae, Semen Euphorbiaes
Be respectively provided with good prevention effect, and compare medicament, artificial weeding and blank process compare non-compared with to the preventive effect of weeds
Chang Xianzhu, and there is preferable quick-acting and lasting effect.In the scope of medication that this is tested, to rice safety.
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, all should belong to the scope of protection of the invention.
Claims (6)
1. a Herbicidal composition for rice field, it is characterised in that: containing metamifop and different grass two kinds of effective ingredient of pine, have
Effect composition quality ratio is for 1:10 ~ 10:1.
Herbicidal combinations the most according to claim 1, it is characterised in that: metamifop with different grass pine two kinds effective become
Dividing mass percent summation in the composition is 1 ~ 60%；Surplus is the most acceptable insecticides adjuvant, carrier etc..
3. according to the Herbicidal combinations described in claim 1 and 2, it is characterised in that: wettable powder, breast can be processed into
Oil, aqueous emulsion, suspending agent, dispersible the dosage forms such as oil-suspending agent.
Herbicidal combinations the most according to claim 2, it is characterised in that: described insecticides adjuvant is selected from carrier, solvent, breast
One or several in agent, pesticide surfactant, wetting agent, dispersant, thickening agent, synergist, antifreezing agent, defoamer etc.
Kind.
Herbicidal combinations the most according to claim 1, it is characterised in that: be applicable to prevent and kill off the most of grass family of rice terrace and
Broad leaved weed.
Herbicidal combinations the most according to claim 5, it is characterised in that: described paddy field weed is in direct-sowing dry rice terrace
Spontaneous wheat seedling.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106719704A (en) * | 2017-01-05 | 2017-05-31 | 浙江天丰生物科学有限公司 | A kind of Herbicidal combinations of Han You metamifop, clomazones and bispyribac-sodium |
| CN106857553A (en) * | 2017-01-05 | 2017-06-20 | 浙江天丰生物科学有限公司 | Han You metamifops, the different monooctyl ester of fluroxypyr are He the Herbicidal combinations of clomazone |
| CN107183027A (en) * | 2017-06-16 | 2017-09-22 | 浙江天丰生物科学有限公司 | Polynary Herbicidal composition for rice field |
| CN107549179A (en) * | 2017-09-08 | 2018-01-09 | 浙江天丰生物科学有限公司 | Compound Herbicidal composition for rice field |
| CN107751212A (en) * | 2017-10-23 | 2018-03-06 | 浙江天丰生物科学有限公司 | Ternary Herbicidal composition for paddy fields |
| CN108157377A (en) * | 2018-01-26 | 2018-06-15 | 浙江天丰生物科学有限公司 | A kind of Herbicidal composition for paddy fields |
| CN114246184A (en) * | 2022-01-05 | 2022-03-29 | 定远众邦生物工程有限公司 | Weeding composition and preparation thereof |
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| CN106719704A (en) * | 2017-01-05 | 2017-05-31 | 浙江天丰生物科学有限公司 | A kind of Herbicidal combinations of Han You metamifop, clomazones and bispyribac-sodium |
| CN106857553A (en) * | 2017-01-05 | 2017-06-20 | 浙江天丰生物科学有限公司 | Han You metamifops, the different monooctyl ester of fluroxypyr are He the Herbicidal combinations of clomazone |
| CN107183027A (en) * | 2017-06-16 | 2017-09-22 | 浙江天丰生物科学有限公司 | Polynary Herbicidal composition for rice field |
| CN107549179A (en) * | 2017-09-08 | 2018-01-09 | 浙江天丰生物科学有限公司 | Compound Herbicidal composition for rice field |
| CN107751212A (en) * | 2017-10-23 | 2018-03-06 | 浙江天丰生物科学有限公司 | Ternary Herbicidal composition for paddy fields |
| CN108157377A (en) * | 2018-01-26 | 2018-06-15 | 浙江天丰生物科学有限公司 | A kind of Herbicidal composition for paddy fields |
| CN114246184A (en) * | 2022-01-05 | 2022-03-29 | 定远众邦生物工程有限公司 | Weeding composition and preparation thereof |
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