CN104488914A - Complex herbicide for rice field - Google Patents
Complex herbicide for rice field Download PDFInfo
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- CN104488914A CN104488914A CN201410670447.XA CN201410670447A CN104488914A CN 104488914 A CN104488914 A CN 104488914A CN 201410670447 A CN201410670447 A CN 201410670447A CN 104488914 A CN104488914 A CN 104488914A
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- rice field
- complex weedicide
- penoxsuam
- ether
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Abstract
A complex herbicide for rice field comprises two active ingredients of penoxsulam and bispyribac sodium in the weight ratio of 2.5-3:1.5-2.4, and is a suspending agent. The herbicide provided by the invention has the advantages of safety, fastness, wide weed control spectrum, long application time, and little affection by the environment.
Description
Technical field
The present invention relates to a kind of rice field complex weedicide.
Background technology
Paddy rice is the important cereal crops of China, concerning the grain security of national economy and country.Direct-seeding Rice is easy because sowing, and saves labor cost, adds that output is high, develop very fast, but can not ignore its three Risks.1, the rotten kind of low temperature in early spring: early spring, temperature was higher, is conducive to Direct-seeding Rice growth, seldom occurs rotten kind of phenomenon.2, weeds risk: Direct-seeding Rice land for growing field crops rice breeding time than modes such as transplanting long 20 my god, cause the Weed infestation time long, add that field Guan Shui makes soaked with sweat alternately, barnyard grass, moleplant seed grow vigorous.Therefore need twice weeding, first time more live rear 2-4 days or rice shoot two leaf wholeheartedly after, mainly prevent and kill off the monocotyledon weed such as barnyard grass, moleplant seed; Second time, at live latter about 20 days, mainly prevents and kill off broad leaved weed.3, lodging tolerance is not strong; Direct-seeding Rice root system is shallow, and its lodging tolerance is weaker than transplant field.
Two careless ether, English common name bispyribac-sodium, belongs to benzoic acid derivative, and this product is hindered aminoacid biosynthesis side chain by root leaf absorption suppression vinegar milk acid synthesis.For selective herbicide, effectively can prevent and kill off barnyard grass in paddy field and other grassy weeds, doublely control most of broad leaved weed, some sedge weeds and resistance barnyard grass.
Penoxsuam, English common name penoxsulam, sulfanilamide (SN) carbamide herbicides is translocated herbicide, through Stems leaf, young shoot and Root Absorption, meristematic tissue is conducted to by xylem and phloem, suppress plant strain growth, make growing point chlorosis, after process, 7 ~ 14d terminal bud reddens, necrosis, within 2 ~ 4 weeks, plant is dead; This agent is strong inhibitor of acetolactate synthetase, and medicament presents comparatively slow, needs certain hour weeds just dead gradually.Can be used for preventing and kill off barnyard grass in paddy field and annual sedge weed, and effective to multiple broad leaved weed.
Summary of the invention
technical problem
In view of this, the technical problem to be solved in the present invention is, provides a kind of rice field complex weedicide.
solution
In order to solve the problems of the technologies described above, the invention provides rice field complex weedicide, described rice field complex weedicide comprises penoxsuam, two careless ethers two kinds of active components, and wherein the weight ratio of penoxsuam, two careless ether is 2.5-3:1.5-2.4, and described rice field complex weedicide is suspending agent.
Preferably, the weight ratio of described penoxsuam, two careless ether is 3:2.
Preferably, the mass percent of described active component in complex weedicide is 2-10%.
Preferably, the mass percent of described active component in complex weedicide is 5%, and the mass percent of described penoxsuam in complex weedicide is 3%, and the described two mass percent of careless ether in complex weedicide is 2%.
beneficial effect
The invention provides a kind of solution in prior art to develop immunity to drugs problem and promote drug effect to farmland weed, a kind of efficient, low toxicity, environmental protection are provided, are conducive to the rice field complex weedicide of the farmland weed comprehensive regulation.Two kinds of active ingredient mixtures have obvious synergistic effect, improve preventive effect, decrease Pesticide use amount, reduce cost and the pollution to environment.The combination of two kinds of active ingredients, expands herbicidal spectrum, and two kinds of active ingredient mechanism of action are different simultaneously, can overcome the shortcoming that single dose easily produces resistance, extend the service life of medicament.The application of composition can delay or overcome the drug-fast generation of rice weed, is conducive to agricultural synthesis and administers.Expand and prevent and kill off spectrum.
Embodiment
Example of formulations
Inventor finds, this formula adopts the effect of suspending agent (SC) better.
Suspending agent refers to the preparation be scattered in the particulate homogenous of less than 4 microns by former for solid pesticide medicine in water, and international code name is SC, also known as dense suspension, and flowable, aqueous suspension, colloidal suspending agent.The solid pesticide and the auxiliary agent process that are insoluble in water are ground, the suspension be dispersed in aqueous medium.Continuous phase is water.Because SC does not have as can dusting problem wet-milling (WP), nonflammable explosive, particle diameter is little, and biologically active is high, and proportion is comparatively large, and packaging volume is less, relatively other formulations of pesticide safety and environmental protections.
Suspending agent is divided into aqueous suspension agent and oil-suspending agent two kinds.Aqueous suspension agent is water as solvent.Oil-suspending agent take oils as primary solvent, not moisture.
Dispersant is lignosulfonates, lignin calcium iodate, ethoxylated dodecyl alcohol sodium sulphate, alkyl how formaldehyde condensate sulfonate, neopelex, lauryl sodium sulfate, alkyl polyoxyethylene ether sulfonate, alkylphenol-polyethenoxy base ether formaldehyde condensation products, alkylphenol-polyethenoxy base ether Nonyl pheno base ether, polyoxyethylene polyoxypropylene base ether block copolymers, pull open powder, polymeric carboxylic salt, di-2-ethylhexylphosphine oxide bitter edible plant sodium sulfonate, polyvinyl alcohol, the naphthalene sulfonate of modification, polycarboxylate, alkylnaphthalene sulfonate, alkylphenol polyoxyethylene, EO/PO block polyether, JFC, pull open powder, polyoxyethylene nonylphenol ether, octyl phenol polyoxy oxyethylene sulfate, aliphatic alcohol sulfate, alkylnaphthalene sulfonate, fatty acid amide N-metilsulfate, aliphatic alcohol polyethenoxy sodium sulphate, fatty acid sulfates, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, alkyl benzyl dimethyl ammonium chloride, one or more composition in alkyl amine oxide.
Wetting agent is alkyl sulfate, alkylsulfonate, naphthalene sulfonate, sodium lignin sulfonate, fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene, short chain EO/PO block polyether, polyoxyethylene nonylphenol ether, nonionic ethoxylates, lauryl sodium sulfate, dodecyl sodium sulfate, TERSPERSE2700, TERSPERSE1004, sodium lignin sulfonate, NNO, polyoxyethylene polyoxypropylene base ether block copolymers, alkylphenol-polyethenoxy base ether phosphate or water-soluble high-molecular compound CMC, PVA one or more composition wherein.
Emulsifier is the compound of one or more anion, non-ionic surface active agent, non-ionic surface active agent is as fatty acid esters of sorbitan, alkylphenol-polyethenoxy polyethenoxy ether, polyoxyethylene alkyl amine etc., anion surfactant, as calcium dodecyl benzene sulfonate, neopelex etc., can be one or more composition wherein.
Oil-suspending agent is the stable non-aqueous suspension agent be made up with suitable auxiliary agent of former medicine, wherein has at least a kind of composition to be insoluble to non-aqueous media, has allowed a small amount of layering after being long placed in, and gentle agitation or stirring should be even, operable.
Embodiment 1 for preventing and kill off paddy field annual weed, 5% pair of careless ether. penoxsuam suspending agent consumption 50 milliliters/mu is watered spraying, and after medicine, 30 days preventive effects are 92.6%.
Embodiment 2 in preventing and kill off paddy field annual weed, 5% pair of careless ether. penoxsuam suspending agent consumption 100/ mu is watered spraying, and after medicine, 30 days preventive effects are 95.9%.
Crop growing state in each process community is good, and each process community has no any medicine spot, illustrates that compound drug of the present invention is all safe to crop.Illustrate that the two careless ether of the present invention and penoxsulam amine composition can prevent and kill off paddy field annual weed preferably, reduce dosage, reduce costs, delay the generation of herbicide resistance, reduce environmental pollution.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (4)
1. a rice field complex weedicide, it is characterized in that, described rice field complex weedicide comprises penoxsuam, two careless ethers two kinds of active components, and wherein the weight ratio of penoxsuam, two careless ether is 2.5-3:1.5-2.4, and described rice field complex weedicide is suspending agent.
2. rice field according to claim 1 complex weedicide, is characterized in that, the weight ratio of described penoxsuam, two careless ether is 3:2.
3. rice field according to claim 1 and 2 complex weedicide, is characterized in that, the mass percent of described active component in complex weedicide is 2-10%.
4. rice field according to claim 3 complex weedicide, it is characterized in that, the mass percent of described active component in complex weedicide is 5%, the mass percent of described penoxsuam in complex weedicide is 3%, and the described two mass percent of careless ether in complex weedicide is 2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670447.XA CN104488914A (en) | 2014-11-20 | 2014-11-20 | Complex herbicide for rice field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670447.XA CN104488914A (en) | 2014-11-20 | 2014-11-20 | Complex herbicide for rice field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104488914A true CN104488914A (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410670447.XA Pending CN104488914A (en) | 2014-11-20 | 2014-11-20 | Complex herbicide for rice field |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746544A (en) * | 2016-05-13 | 2016-07-13 | 创新美兰（合肥）股份有限公司 | Bispyribac-sodium, cyhalofop-butyl and penoxsulam compound dispersible oil suspended agent and preparation method thereof |
| CN106305737A (en) * | 2015-07-10 | 2017-01-11 | 陈雨兰 | Weeding composition for paddy field |
| CN106508925A (en) * | 2016-11-08 | 2017-03-22 | 广东中迅农科股份有限公司 | A weeding composition containing penoxsulam, bispyribac sodium and pretilachlor |
| CN109247335A (en) * | 2018-12-01 | 2019-01-22 | 安徽美程化工有限公司 | A kind of Herbicidal combinations and its application containing penoxsuam, oxaziclomefone and bispyribac-sodium |
| CN112471147A (en) * | 2020-11-27 | 2021-03-12 | 南京博臣农化有限公司 | Synergist of bispyribac-sodium pesticide and bispyribac-sodium pesticide preparation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102165956A (en) * | 2011-03-24 | 2011-08-31 | 广东中迅农科股份有限公司 | Pesticide composite containing bispyribac-sodium and penoxsulam and application thereof |
| CN103210933A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Bispyribac-sodium and penoxsulam-containing pesticide microcapsule suspending agent |
-
2014
- 2014-11-20 CN CN201410670447.XA patent/CN104488914A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102165956A (en) * | 2011-03-24 | 2011-08-31 | 广东中迅农科股份有限公司 | Pesticide composite containing bispyribac-sodium and penoxsulam and application thereof |
| CN103210933A (en) * | 2013-03-24 | 2013-07-24 | 广东中迅农科股份有限公司 | Bispyribac-sodium and penoxsulam-containing pesticide microcapsule suspending agent |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106305737A (en) * | 2015-07-10 | 2017-01-11 | 陈雨兰 | Weeding composition for paddy field |
| CN105746544A (en) * | 2016-05-13 | 2016-07-13 | 创新美兰（合肥）股份有限公司 | Bispyribac-sodium, cyhalofop-butyl and penoxsulam compound dispersible oil suspended agent and preparation method thereof |
| CN106508925A (en) * | 2016-11-08 | 2017-03-22 | 广东中迅农科股份有限公司 | A weeding composition containing penoxsulam, bispyribac sodium and pretilachlor |
| CN109247335A (en) * | 2018-12-01 | 2019-01-22 | 安徽美程化工有限公司 | A kind of Herbicidal combinations and its application containing penoxsuam, oxaziclomefone and bispyribac-sodium |
| CN112471147A (en) * | 2020-11-27 | 2021-03-12 | 南京博臣农化有限公司 | Synergist of bispyribac-sodium pesticide and bispyribac-sodium pesticide preparation |
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Application publication date: 20150408 |