CN104170832A - Efficient herbicide for rice dry-land seedling bed - Google Patents
Efficient herbicide for rice dry-land seedling bed Download PDFInfo
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- CN104170832A CN104170832A CN201410462299.2A CN201410462299A CN104170832A CN 104170832 A CN104170832 A CN 104170832A CN 201410462299 A CN201410462299 A CN 201410462299A CN 104170832 A CN104170832 A CN 104170832A
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Abstract
The invention relates to a herbicide composition, and particularly relates to an efficient herbicide for a rice dry-land seedling bed. The composition comprises the following components in parts by weight: 20-30 parts of benthiocarb (saturn), 18-25 parts of bensulfuron methyl, 18-25 parts of pyrazosulfuron-ethyl, 10-15 parts of methyl oleate and 10-15 parts of ethoxylated fatty amine, wherein benthiocarb (saturn), bensulfuron methyl and pyrazosulfuron-ethyl are effective components. The efficient herbicide is used for preventing and treating weeds of paddy fields, and has an efficient killing effect on gramineae (such as moleplant seed and barnyard grass), cyperaceae and other broadleaf weeds, the dosage and the drug delivery times are reduced, the drug delivery lasting period is long, and the weed damage to the paddy field in whole growth period can be effectively controlled by medication once.
Description
Technical field
The present invention relates to herbicidal composition, particularly a kind of highy potent herbicide of dry breeding of rice seedlings.
Background technology
Paddy rice is the first cereal crops of China, the kind of paddy field weed is a lot, various places weeds generation kind difference, rice district, the whole nation approximately has weeds more than 200 to plant, wherein common generation general, endanger serious main weeds and approximately have 40 kinds, in main weeds secondly with barnyard grass occurrence and harm area maximum, for difformed galingale herb, Monochoria vaginalis, flat stalk Fischer grass, moleplant seed, pondweed take second place.In northeast and northwest, cool temperate zone Yi Jidao district main weeds has barnyard grass, flat stalk Fischer grass, Japanese Fischer grass, needle spikesedge herb, pondweed, Monochoria korsakowii, firefly Lin, Monochoria vaginalis, water silk floss etc.Yi Jidao district, warm temperate zone, North China Plain main weeds has barnyard grass, difformed galingale herb, flat stalk Fischer grass, needle spikesedge herb, water three-coloured amaranth, Eclipta prostrata, Herba Cyperi Glomerati, pondweed, Monochoria vaginalis, water silk floss, firefly Lin, rice Li Shi standing grain, floating heart, duckweed, moleplant seed etc.Subtropics, the Yangtze river basin, Central China one, two seasons rice workspace main weeds has barnyard grass, difformed galingale herb, needle spikesedge herb, Herba Cyperi Glomerati, flat stalk Fischer grass, pondweed, cyperus iria, Monochoria vaginalis, short arrowhead, water three-coloured amaranth, moleplant seed, alternanthera philoxeroides, Eclipta prostrata, Procumbent Falsepimpernel, firefly Lin Ping etc.Yunnan-Guizhou, southwest and Qinghai-Tibet subtropics one, two seasons rice workspace main weeds have barnyard grass, firefly Lin, difformed galingale herb, pondweed, Monochoria vaginalis, rhizoma alismatis, needle spikesedge herb, flat stalk Fischer grass, Herba Cyperi Glomerati, short arrowhead, apple, little najas marina, Procumbent Falsepimpernel etc.South two season of Perenniporia martius rice workspace main weeds has barnyard grass, difformed galingale herb, mexicana, the fire hose, Monochoria vaginalis, short arrowhead, miliary fimbristylis herb, needle spikesedge herb, Herba Cyperi Glomerati, cyperus iria, moleplant seed, apple etc.
Paddy field weed has developed into a huge plant community, and paddy field weed group, by a large amount of absorptions and predation to light, soil nutrient etc., has seriously weakened paddy growth situation, has a strong impact on yield and quality of rice.At present paddy field weed kind is many, and existing grassy weed has again moleplant seed in sedge weed and broad leaved weed, particularly grassy weed, barnyard grass, lady's-grass crop smothering serious, and the crop smothering emergence period is long.And herbicides for use in paddy all has stronger selectivity conventionally, good and very poor to another section's weeds herbicidal effect to a certain section weeds herbicidal effect, therefore can only be repeatedly, many kinds, multiple dose medication, excess and pesticide abuse have brought the negative effects such as rice quality decline and environmental pollution, have increased again drug cost.
Summary of the invention
Technical problem solved by the invention is to provide a kind of highy potent herbicide of dry breeding of rice seedlings.
The technical solution used in the present invention is:
A kind of highy potent herbicide of dry breeding of rice seedlings, described composition active ingredient is benthiocarb (benthiocarb), bensulfuron-methyl, pyrazosulfuron, makes according to the raw material of following parts by weight: benthiocarb (benthiocarb) 20-30 part, bensulfuron-methyl 18-25 part, pyrazosulfuron 18-25 part, methyl oleate 10-15 part, ethoxy fatty amine 10-15 part.
Preferably, described weed killer herbicide is made according to the raw material of following weight fraction: 25 parts of benthiocarbs (benthiocarb), 20 parts of bensulfuron-methyls, 22 parts of pyrazosulfurons, 13 parts of methyl oleates, 13 parts of ethoxy fatty amines.
Preferably, described weed killer herbicide is oil-suspending agent.
Oil-suspending agent (OF) is the high dispersive that forms in non-water system dispersion medium of active component, stable suspension system.Oil-suspending agent of the present invention is made up of active component, vegetable oil and/or mineral oils solvent, emulsifier, wetting agent, dispersant, and wherein wetting agent and dispersant can require to select add or do not add according to preparation, also can only add wherein a kind of.Wherein plant oil solvent can be soya-bean oil, cottonseed oil, palm oil, cocoa butter, rapeseed oil, Semen Ricini oil, turpentine oil, enriching vegetable oil, sunflower wet goods; Mineral oil can be the senior aliphatic hydrocarbon wet goods of paraffin series oil, methyl naphthalene.Emulsifier can be the compound of one or more anion and non-ionic surface active agent, can be also the compound of one or more anion surfactants, can be also the compound of one or more non-ionic surface active agents.Non-ionic surface active agent is as alkylphenol polyoxyethylene class, Ben-zylphenol Polyoxyethyl Ether class, benzylbiphenyl phenol polyethenoxy polyoxypropylene ethers, phenethyl phenol polyethenoxy ether and similar kind, fatty alcohol-polyoxyethylene ether and analog, fatty acid esters of sorbitan, alkylphenol-polyethenoxy polyethenoxy ether, polyoxyethylene alkyl amine, Span etc.Anion surfactant is as alkylbenzenesulfonate, alkyl benzene sulfonate calcium salt, alkyl sulfonic acid alkylnaphthalene sulfonate, aliphatic alcohol sulfate, alkyl phosphate and similar kind thereof, polyoxyethylene carboxylate phosphate, alkylphenol polyoxyethylene phosphate and similar kind etc.Non-ionic surface active agent in emulsifier and the part by weight of anion surfactant are 1～10: 1, and preferred proportion is 2～8: 1, and wetting agent is as lauryl sodium sulfate, JFC etc., and dispersant has sodium lignin sulfonate, NNO etc.In preparation, the weight ratio of active component is 5～80%, the weight ratio of emulsifier is 1～20%, the weight ratio of wetting agent is 0.1～15%, the weight ratio of dispersant is 0.1～15%, and when wetting agent and dispersant use simultaneously, the weight ratio of wetting agent is 0.1～10%, the weight ratio of dispersant is 0.1～10%, and surplus is oil.
Beneficial effect of the present invention:
The highy potent herbicide of dry breeding of rice seedlings provided by the present invention, be used for preventing and treating paddy field weed, grass family (such as moleplant seed, barnyard grass etc.), sedge family and other broad leaved weed are had to efficient kill activity, reduce dosage and spraying times, the dispenser lasting period is long, and a drug can effectively be controlled the paddy field weeds harm in the time of infertility.
Embodiment
Embodiment 1
A highy potent herbicide for dry breeding of rice seedlings, makes according to the raw material of following weight fraction: 25 parts of benthiocarbs (benthiocarb), 20 parts of bensulfuron-methyls, 22 parts of pyrazosulfurons, 13 parts of methyl oleates, 13 parts of ethoxy fatty amines.(every part of 1Kg)
Rice seedling weeding, in rice shoot 3 leaf after dates, weeds 2-3 leaf phase dispenser; Transplant field 10-20 days after rice transplanting all can dispenser, taking weeds 2-3 leaf phase dispenser as best.
Embodiment 2
A highy potent herbicide for dry breeding of rice seedlings, makes according to the raw material of following parts by weight: 20 parts of benthiocarbs (benthiocarb), 18 parts of bensulfuron-methyls, 18 parts of pyrazosulfurons, 10 parts of methyl oleates, 10 parts of ethoxy fatty amines.(every part of 1Kg)
Rice seedling weeding, in rice shoot 3 leaf after dates, weeds 2-3 leaf phase dispenser; Transplant field 10-20 days after rice transplanting all can dispenser, taking weeds 2-3 leaf phase dispenser as best.
Embodiment 3:
A kind of highy potent herbicide of dry breeding of rice seedlings, described composition active ingredient is benthiocarb (benthiocarb), bensulfuron-methyl, pyrazosulfuron, makes according to the raw material of following parts by weight: 30 parts of benthiocarbs (benthiocarb), 25 parts of bensulfuron-methyls, 25 parts of pyrazosulfurons, 15 parts of methyl oleates, 15 parts of ethoxy fatty amines.
Rice seedling weeding, in rice shoot 3 leaf after dates, weeds 2-3 leaf phase dispenser; Transplant field 10-20 days after rice transplanting all can dispenser, taking weeds 2-3 leaf phase dispenser as best.
Above-described embodiment is illustrative instead of determinate, can list several embodiment according to institute's limited range, therefore in the variation and the amendment that do not depart under general plotting of the present invention, within should belonging to protection scope of the present invention.
Claims (3)
1. the highy potent herbicide of a dry breeding of rice seedlings, it is characterized in that described composition active ingredient is benthiocarb (benthiocarb), bensulfuron-methyl, pyrazosulfuron, makes according to the raw material of following parts by weight: benthiocarb (benthiocarb) 20-30 part, bensulfuron-methyl 18-25 part, pyrazosulfuron 18-25 part, methyl oleate 10-15 part, ethoxy fatty amine 10-15 part.
2. weed killer herbicide according to claim 1, is characterized in that described weed killer herbicide makes according to the raw material of following weight fraction: 25 parts of benthiocarbs (benthiocarb), 20 parts of bensulfuron-methyls, 22 parts of pyrazosulfurons, 13 parts of methyl oleates, 13 parts of ethoxy fatty amines.
3. weed killer herbicide according to claim 1, is characterized in that described weed killer herbicide is oil-suspending agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462299.2A CN104170832A (en) | 2014-09-12 | 2014-09-12 | Efficient herbicide for rice dry-land seedling bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410462299.2A CN104170832A (en) | 2014-09-12 | 2014-09-12 | Efficient herbicide for rice dry-land seedling bed |
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| Publication Number | Publication Date |
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| CN104170832A true CN104170832A (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410462299.2A Pending CN104170832A (en) | 2014-09-12 | 2014-09-12 | Efficient herbicide for rice dry-land seedling bed |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007130514A2 (en) * | 2006-05-03 | 2007-11-15 | Dow Agrosciences Llc | A method to reduce spray drift during application of pesticides and crop protection agents |
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2014
- 2014-09-12 CN CN201410462299.2A patent/CN104170832A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007130514A2 (en) * | 2006-05-03 | 2007-11-15 | Dow Agrosciences Llc | A method to reduce spray drift during application of pesticides and crop protection agents |
Non-Patent Citations (4)
| Title |
|---|
| 余柳青等: ""一次性除草剂新禾葆（杀•苄）的研究"", 《植保技术与推广》 * |
| 张振兴等: ""54%杀草丹•吡嘧磺隆油悬浮剂防除直播稻田杂草效果及安全性"", 《杂草科学》 * |
| 章稳宏等: ""42%吡嘧•杀草丹可湿性粉剂的高效液相色谱分析"", 《杂草科学》 * |
| 苏大水: ""苄嘧磺隆和杀草丹混剂HPLC分析"", 《安徽化工》 * |
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Application publication date: 20141203 |