CN107410319A - A kind of Herbicidal combinations containing diflufenican and pyraclonil - Google Patents
A kind of Herbicidal combinations containing diflufenican and pyraclonil Download PDFInfo
- Publication number
- CN107410319A CN107410319A CN201710428607.3A CN201710428607A CN107410319A CN 107410319 A CN107410319 A CN 107410319A CN 201710428607 A CN201710428607 A CN 201710428607A CN 107410319 A CN107410319 A CN 107410319A
- Authority
- CN
- China
- Prior art keywords
- pyraclonil
- diflufenican
- herbicidal combinations
- weeds
- weed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- 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
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Of the invention public to provide a kind of Herbicidal combinations containing diflufenican and pyraclonil, wherein active ingredient be diflufenican and pyraclonil, and the weight ratio of described diflufenican and pyraclonil is 1：15~15：1.The present invention is used to prevent and treat the annual gramineous weeds such as barnyard grass, moleplant seed and part sedge weed and broad leaved weed, show to utilize the complementarity between composition active component by the test of pesticide effectiveness, improve the preventive effect to weeds, compensate for herbicide it is alone when deficiency, have significant synergies and the lasting period is grown, and to rice crop safety.
Description
Technical field
The invention belongs to agriculture plant protection field.It is more particularly related to contain diflufenican and polybenzobisoxazole
The Herbicidal combinations of oxalic acid dinitrile.
Background technology
Rice is one of most important cereal crops in China, and the species of paddy field weed is a lot, various regions weeds species survey
Difference, national rice region there are about weeds more than 200 and plant, wherein the main weeds that common generation is universal, harm is serious there are about 50 kinds, master
Weeds are wanted to include barnyard grass, nutgrass flatsedge, Monochoria vaginalis, moleplant seed etc..Weeds in rice field can influence the growth of rice so as to influence rice
Yield.So far, the herbicide of many control of weeds suitable for rice terrace has been developed.It is but miscellaneous in rice terrace
Grass seeds class is various, feature is different, and single herbicide often can not kill a variety of weeds simultaneously because herbicide controlling spectrum is limited, peasant
It is forced to increase spraying times, increases the input of weeding.Therefore, it is necessary to develop a kind of herbicide with wide spectrum herbicide effect with
Realize effective preventing and treating to weeds in rice terrace.
(Pyraclonil) Shu Yu oxadiazole type herbicides, the mechanism of action is proporphyrinogen oxidase to pyraclonil
(PPO) inhibitor.With broad weed-killing spectrum, the features such as to rice safety, annual gramineous weed, Sha are prevented and kill off available for rice field
Careless section weeds and broad leaved weed and some perennial weeds.
Diflufenican (diflufenican) medicine belongs to herxheimer-liked reaction inhibitor.Diflufenican is
A kind of acetamide-group herbicides, the medicine soil layer that anti-leaching can be formed in native table is applied before and after weeds germinate, is entirely grown in crop
Phase keeps activity.When weed germination can absorb medicament by medicine soil layer young shoot or root system, diflufenican, which has, suppresses class recklessly
The biosynthesis of radish element acts on, and absorbs carotenoid content in the weeds plant of medicament and declines, causes chlorophyll to be destroyed, cell
Film is ruptured, and weeds then show as young shoot decolouring or white, and last whole strain is wilted dead.
The relevant report of diflufenican and pyraclonil compounding is not yet found at present.
The content of the invention
It is an object of the invention to solve developed immunity to drugs in the prior art to farmland weed problem and using effect, to carry
High herbicidal agent prevention effect, amount of application is reduced, reduce cost accounting, and a kind of above-mentioned composition is provided and prevented and treated in agriculture field
The application of weeds, particularly for preventing and kill off paddy field weed preventing and treating.
In order to reach the purpose to solve the above problems, worked by substantial amounts of biologicall test and from great number tested data,
Induction and conclusion, it was found that diflufenican and pyraclonil are compounded with certain proportion, and there is significant synergy to make to weeds in paddy field
With, it is often more important that amount of application is reduced, and use cost reduces.
On the basis of above-mentioned discovery, by carrying out the quantitative analysis of synergistic effect to composition, form the present invention's
Technical scheme.
The technical solution adopted by the present invention is：
A kind of Herbicidal combinations containing diflufenican and pyraclonil, the active ingredient in said composition is pyrrole fluorine acyl
Careless amine and pyraclonil, the weight ratio of the diflufenican and pyraclonil is 1：15~15：1.
Further, the weight of diflufenican and pyraclonil ratio is 1 in the active ingredient：10~10：1.
Preferably, the weight/mass percentage composition of active ingredient is 2~90% in said composition.
Further, the weight/mass percentage composition of active ingredient is 5~80% in said composition.
As the further scheme of the present invention, formulation made of the Herbicidal combinations is missible oil, wettable powder, suspension
One kind in agent, oil-suspending agent or water dispersible granules.
A kind of application of Herbicidal combinations containing diflufenican and pyraclonil in preventing and treating paddy field weed growth.
Preferably, described paddy field weed is barnyard grass, moleplant seed, ear leaf water amaranth, nutgrass flatsedge, Monochoria vaginalis.
The auxiliary agent that is used in the present composition and stability and drug effect for active ingredient in storage and in using
Helpful known substance is played, is all to commonly use in pesticidal preparations or allow the various composition used, specific composition and dosage can
Determined according to recipe requirements by simple experiment.
Beneficial effects of the present invention are to be shown by lot of experimental data, the compounding group of diflufenican and pyraclonil
Compound has synergistic effect to paddy field weed, wherein diflufenican is to barnyard grass, moleplant seed and nutgrass flatsedge compared with present technology
Prevention effect Deng weeds is below 40%, and pyraclonil is below to the prevention effect of the weeds such as barnyard grass, moleplant seed and nutgrass flatsedge
80%, and the complex composition of diflufenican and pyraclonil is equal to the prevention effect of the weeds such as barnyard grass, moleplant seed and nutgrass flatsedge
Not less than 82%, 98% is can reach, so as to understand to significantly improve the prevention effect to weeds；Experimental data also shows pyrrole
Fluorine acyl grass amine does not have preventive effect to nutgrass flatsedge, and pyraclonil is less than 80% to the preventive effect of nutgrass flatsedge, and complex composition is to Sha
The preventive effect of grass is not less than 83%, therefore complex composition expands the herbicidal spectrum of two kinds of herbicides；Complex composition is reduced
Dosage, so as to reduce cost, and reduces the pollution to environment；Formulation made of Herbicidal combinations using missible oil, can
WP, suspending agent, oil-suspending agent or water dispersible granules etc., effectively use manpower and material resources sparingly；Simultaneously because of two kinds of active ingredients
The mechanism of action it is different, delayed the resistance of single active ingredient, extended the service life of medicament.
Embodiment
In order that the objects, technical solutions and advantages of the present invention are more concise, present invention specific examples below
Illustrate, but the present invention is only limitted to absolutely not these examples.As described below is only the embodiment of part of the present invention, is used only for retouching
State the present invention, it is impossible to be interpreted as limiting the scope of the present invention.It should be pointed out that it is all the spirit and principles in the present invention it
Interior done all any modification, equivalent and improvement etc., should be included in the scope of the protection.Therefore, it is of the invention
The protection domain of patent should be determined by the appended claims.
Auxiliary agent of the present invention can be solid, liquid or surfactant, can by active ingredient together with auxiliary agent it is equal
Even mixing, grinding, it is prepared into required formulation.The liquid can be inert liquid carrier, for example, monohydric alcohol, polyalcohol,
Ketone, ethers, fat hydrocarbon, halogenated hydrocarbon etc., such as vegetable oil, above inert liquid carrier, which one or more can mix, to be made
With.The solid is selected from talcum, atlapulgite, kaolin, diatomite, lime, calcium carbonate, bentonite, bleaching earth, natural minerals
Filler etc., above solid carrier can one or more be used in mixed way.The surfactant can be solidifying to be shown in water
Gel or swellability surfactant, can be that fatty acid ester, alkyl ether, acetylenediol, polyoxy acetylene castor oil etc. are non-
Ionic surface active agent, such as APES, polyoxyethylene polyoxy propylene block compound or alkyl sulfate, wood
The anion surfactants such as mahogany sulfonate, such as sodium lignin sulfonate, acetic stearylamine cationic surfactant.
The present composition is using diflufenican and pyraclonil as active ingredient, and combination is to paddy field weed between them
With obvious synergistic function, rather than just the simple addition of two kinds of pharmacy effects, Assays Example is specifically used
And field control effectiveness test is illustrated.
First, form formula example：
Following examples be used for the present invention will be further described, in these embodiments, unless otherwise indicated, Suo Youbai
Divide and refer both to percentage by weight than (%).
Embodiment 1:Prepare 16% diflufenican pyraclonil suspending agent (weight ratio：1:15)
Diflufenican 1%, pyraclonil 15%, thermally coupled distillation columns 8%, xanthans 1%, bentonite
1%th, glycerine 3%, water complement to 100%；
Proportioning weighs each component more than, is crushed in advance in proportion, adds in sand mill and grind, through high shear
Allocated after mixing and 16% diflufenican pyraclonil suspending agent is made.
Embodiment 2：Prepare 22% diflufenican pyraclonil wettable powder (weight ratio：1:10)
Diflufenican 2%, pyraclonil 20%, calcium lignosulfonate 5%, tripolyphosphate 3%, NNO8%, talcum powder
7%th, kaolin complements to 100%；
Proportioning weighs each component more than, will be sent into after solid-like component coarse crushing together with other components in blender
It is well mixed, then 22% diflufenican pyraclonil wettable powder is made after air-flow crushing.
Embodiment 3：Prepare 38.5% diflufenican pyraclonil water dispersible granules (weight ratio：10:1)
Diflufenican 35%, pyraclonil 3.5%, viscous powder 3%, bentonite 4%, lauryl sodium sulfate 7%, poly- carboxylic
Hydrochlorate 5%, kaolin complement to 100%；
Proportioning weighs each component more than, and in proportion prepared by dry pulverization process, granulation, drying, screening to be made 38.5% pyrrole
Fluorine acyl grass amine pyraclonil water dispersible granules.
Embodiment 4：Prepare 32% diflufenican pyraclonil and disperse oil-suspending agent (weight ratio：15:1)
Diflufenican 30%, pyraclonil 2%, sodium lignin sulfonate 3%, naphthalene sulfonic acids 2%, organobentonite 3%, ten
Dialkyl group sulfonic acid calcium salt 5%, peanut oil 5%, methyl oleate complement to 100%；
Proportioning weighs each component more than, material is added in reactor mixer together in proportion, by multistage
Ground in sand mill, screen, discharge, then be put into high-shear emulsifying together with the organobentonite with having dissolved in advance and 32% pyrrole is made
Fluorine acyl grass amine pyraclonil disperses oil-suspending agent.
Embodiment 5：Prepare 40% diflufenican pyraclonil missible oil (weight ratio：1:1)
Diflufenican 20%, pyraclonil 20%, 1-METHYLPYRROLIDONE 8%, DMF5%, agriculture breast 500#5%, diformazan
Benzene complements to 100%；
Proportioning weighs each component more than, and material is added in reactor mixer together in proportion, stirred,
40% diflufenican pyraclonil missible oil is made.
Embodiment 6：Prepare 80% diflufenican pyraclonil water dispersible granules (weight ratio：1:3)
Diflufenican 20%, pyraclonil 60%, methyl naphthalene sulfonate formaldehyde condensate 5%, lauryl sodium sulfate
3%th, sodium lignin sulfonate 5%, diatomite complement to 100%；
Proportioning weighs each component more than, and in proportion prepared by dry pulverization process, granulation, drying, screening to be made 80% pyrrole fluorine
Acyl grass amine pyraclonil water dispersible granules.
Embodiment 7：Prepare 33% diflufenican pyraclonil suspending agent (weight ratio：2:1)
Diflufenican 22%, pyraclonil 11%, 500#5%, Teepol 5%, alkylbenzenesulfonate amine salt
3%th, organosilicon 5%, water are mended to 100%；
Proportioning weighs each component more than, is crushed in advance in proportion, adds in sand mill and grind, through high shear
33% diflufenican pyraclonil suspending agent is made in allotment system after mixing.
Embodiment 8：Prepare 60% diflufenican pyraclonil wettable powder (weight ratio：1:5)
Diflufenican 10%, pyraclonil 50%, neopelex 5%, talcum powder 2%, white carbon 5%,
Kaolin is mended to 100%；Proportioning weighs each component more than, will be sent into after solid-like component coarse crushing together with other components
It is well mixed in blender, then 60% diflufenican pyraclonil wettable powder is made after air-flow crushing.
2nd, drug effect checking test
(1) Assays Example
Test method：Quantitative weed seed is seeded in high 6cm respectively, in a diameter of 15cm glass dish, each glass
15~20 seeds are broadcast in glass ware, are cultivated in illumination box, when the 3 leaf phase of weeds, are sprayed using 3WP-2000 types walking
Mist tower spraying treatment.Continue to cultivate in greenhouse after processing, respectively processing to the preventive effect of weeds, weighs each routine observation after 25 days
Weeds fresh weight after processing, calculate fresh weight inhibition (%)：Fresh weight inhibition (%)=[(control fresh weight-processing fresh weight)/control
Fresh weight] * 100
Synergy evaluation method：Herbicide associated form (NY/T1155.7-2006) is evaluated according to Gowing methods, it is public
Formula is as follows：E0 ﹦ X ﹢ Y-XY/100.In formula, X be pyraclonil with certain dosage when alone to the fresh weight inhibition of target weeds；Y is
Diflufenican with certain dosage when alone to the fresh weight inhibition of target weeds；E0 is two kinds of pyraclonil, diflufenican medicines
To the theoretical value of target weeds fresh weight inhibition when agent is mixed；To target when E is two kinds of pyraclonil, diflufenican pharmacy mix
Mark the measured value of weeds fresh weight inhibition.
Evaluation criterion：As E-E0 ＞ 10%, synergistic effect is expressed as；As 10%≤E of ﹣-E0≤10%, phase is shown as
Add effect；As E-E0 ＜ ﹣ 10%, antagonism is shown as.
Table 1, each chemicals treatment are to the Toxicity Determination of Monochoria vaginalis
Table 2, each chemicals treatment are to the Toxicity Determination of barnyard grass
Pyraclonil and diflufenican complex treatment are to duck it can be seen from the Toxicity Determination result of Tables 1 and 2
E-E0 (%) value of tongue grass and barnyard grass is all higher than 10%, illustrates that the two compounding is respectively provided with Synergistic work to Monochoria vaginalis and barnyard grass
With.As can be seen here, pyraclonil and diflufenican mixture have reasonability.
(2) field control effectiveness test.
For the compounding effect of checking diflufenican and pyraclonil, the test of pesticide effectiveness is carried out in rice terrace.Used in experiment
Medicament includes diflufenican and the diflufenican in the single dose and embodiment of pyraclonil active component and pyraclonil group
Compound.Experimental field select the more rice terraces of grassy weed such as barnyard grass.According to rice cropping mode and the difference of administration time,
Plot experiment is carried out, and repetition is set.
Test method：According to the area of experimental plot, good various medicaments of precise, and after being watered dilution, using bearing
Formula sprayer, carry out even spraying, the special Fan spray head of sprinkler selection herbicide.Observation in 25 days is miscellaneous after medicine respectively after experiment
Careless death condition, and Weed-control effect is calculated in accordance with the following methods.In addition, the emergence of rice is also observed in 1~15 day after medicine
And growing state, to investigate whether medicament has poisoning to rice.
Weed-control effect %=(blank district number of weeds-treatment region number of weeds)/blank district number of weeds × 100%.
Table 3, diflufenican and pyraclonil compound drug are to weeds in field efficiency test result
Wherein, herbicidal composition is as follows to the grade scale of crop safety：1 grade, crops normal growth, without any
Damage symptoms；2 grades, the slight poisoning of crops, poisoning is less than 10%；3 grades, the medium poisoning of crops, it can recover later；4 grades, agriculture
Crop damage is heavier, it is difficult to recovers；5 grades, crop phytotoxicity is serious, it is impossible to recovers；
It can be seen from the experimental result of table 3 in field efficacy experiment, with diflufenican and pyraclonil single dose phase
Than diflufenican pyraclonil of the invention has obvious synergistic effect, in addition, the diflufenican polybenzobisoxazole of the present invention
Oxalic acid dinitrile Herbicidal combinations are used to crop safety, and said composition is worth the popularization and application in agricultural production.
Claims (7)
- A kind of 1. Herbicidal combinations containing diflufenican and pyraclonil, it is characterised in that:Having in the Herbicidal combinations Effect composition is diflufenican and pyraclonil, and the weight ratio of the diflufenican and pyraclonil is 1：15~15：1.
- 2. Herbicidal combinations according to claim 1, it is characterised in that:The weight of the diflufenican and pyraclonil Than for 1：10~10：1.
- 3. Herbicidal combinations according to claim 1, it is characterised in that：The quality hundred of active ingredient in the Herbicidal combinations It is 2~90% to divide content.
- 4. the Herbicidal combinations according to right wants 3, it is characterised in that：The quality percentage of active ingredient in the Herbicidal combinations Content is 5~80%.
- 5. the Herbicidal combinations according to right wants 1, it is characterised in that：The Herbicidal combinations, which also contain, to be agriculturally subjected to Auxiliary agent, the formulation of the Herbicidal combinations is missible oil, wettable powder, suspending agent, oil-suspending agent or water dispersible granules.
- 6. the answering in paddy field weed is prevented and treated of the Herbicidal combinations according to any one of claim 1-5 claim With.
- 7. application according to claim 6, it is characterised in that described paddy field weed is barnyard grass, moleplant seed, ear leaf water Amaranth, nutgrass flatsedge, Monochoria vaginalis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428607.3A CN107410319A (en) | 2017-06-08 | 2017-06-08 | A kind of Herbicidal combinations containing diflufenican and pyraclonil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428607.3A CN107410319A (en) | 2017-06-08 | 2017-06-08 | A kind of Herbicidal combinations containing diflufenican and pyraclonil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107410319A true CN107410319A (en) | 2017-12-01 |
Family
ID=60429418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710428607.3A Withdrawn CN107410319A (en) | 2017-06-08 | 2017-06-08 | A kind of Herbicidal combinations containing diflufenican and pyraclonil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107410319A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105613522A (en) * | 2014-10-30 | 2016-06-01 | 苏州富美实植物保护剂有限公司 | Oxaziclomefone-containing weeding composition |
| CN105724401A (en) * | 2016-04-25 | 2016-07-06 | 湖南大方农化股份有限公司 | Compound rice field herbicide |
| CN106857580A (en) * | 2017-02-27 | 2017-06-20 | 南京华洲药业有限公司 | A kind of Herbicidal combinations and its application containing pyraclonil and diflufenican |
-
2017
- 2017-06-08 CN CN201710428607.3A patent/CN107410319A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105613522A (en) * | 2014-10-30 | 2016-06-01 | 苏州富美实植物保护剂有限公司 | Oxaziclomefone-containing weeding composition |
| CN105724401A (en) * | 2016-04-25 | 2016-07-06 | 湖南大方农化股份有限公司 | Compound rice field herbicide |
| CN106857580A (en) * | 2017-02-27 | 2017-06-20 | 南京华洲药业有限公司 | A kind of Herbicidal combinations and its application containing pyraclonil and diflufenican |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103749480A (en) | Paddy field herbicide composition and application | |
| CN104430451A (en) | Herbicidal composition containing triafamone and halosulfuron-methyl | |
| CN103828816B (en) | Mixed herbicide containing fenoxaprop-p-ethyl, clodinafop-propargyl and fluroxypyr | |
| CN105191970A (en) | Pesticide composition containing thiencarbazone-methyl, clodinafop-propargyl and flucarbazone-sodium | |
| CN104430450A (en) | Herbicidal composition of triafamone and pyrazosulfuron | |
| CN107306971A (en) | A kind of Herbicidal combinations containing the careless azoles of sulfone pyrrole and aclonifen | |
| CN101861868B (en) | Pesticide compound containing penoxsulam and quinclorac and application thereof | |
| CN101336632B (en) | Composite synergistic herbicide for controlling weeds in cornfield | |
| CN102599162A (en) | Composite herbicide | |
| CN105284856A (en) | Weeding combination containing halauxifen-methyl and thiencarbazone-methyl | |
| CN100396181C (en) | Weeding composition, its application and method | |
| CN107136101A (en) | A kind of Herbicidal combinations containing clefoxidim and pyraclonil | |
| CN107996584A (en) | A kind of herbicidal composition containing flurtamone | |
| CN107094771A (en) | It is a kind of containing clefoxidim He the Herbicidal combinations of metamifop | |
| CN107114397A (en) | A kind of herbicidal composition containing anilofos, cyhalofop-butyl He metamifop | |
| CN102578122A (en) | Rice field herbicide composition | |
| CN107410316A (en) | A kind of Herbicidal combinations containing clefoxidim and cyhalofop-butyl | |
| CN107410319A (en) | A kind of Herbicidal combinations containing diflufenican and pyraclonil | |
| CN106879618A (en) | Containing benzobicylon, pyrazosulfuron, pretilachlor Herbicidal combinations | |
| CN105379733A (en) | Flufenacet and terbuthylazine compound cornfield herbicide | |
| CN105076146A (en) | Weeding composition containing haloxyfop-R-methyl and saflufenacil | |
| CN104719315A (en) | Trifloxysulfuron and mesotrione containing herbicide composition | |
| CN104585188A (en) | Weeding composition containing fluorochloropyridyl ester, pyraflufen-ethyl and pinoxaden | |
| CN104082314B (en) | Weeding composition applied to paddy rice transplanting field | |
| CN103210934B (en) | Weeding composite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171201 |