CN102754654A - Insecticide and fungicide combined agent for treating rice seeds - Google Patents
Insecticide and fungicide combined agent for treating rice seeds Download PDFInfo
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- CN102754654A CN102754654A CN2012102713983A CN201210271398A CN102754654A CN 102754654 A CN102754654 A CN 102754654A CN 2012102713983 A CN2012102713983 A CN 2012102713983A CN 201210271398 A CN201210271398 A CN 201210271398A CN 102754654 A CN102754654 A CN 102754654A
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- seed
- fludioxonil
- agent
- cartap
- rice
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Abstract
The invention relates to a rice seed treatment agent combining an insecticide with a fungicide and application of the rice seed treatment agent. The effective component of the combined insecticide is cartap hydrochloride; the effective component of the fungicide is fludioxonil; in the terms of the mass percentage, the content of the cartap hydrochloride is 50-1 percent and the content of the fludioxonil is 1-20 percent; the mixture ratio of the cartap hydrochloride to the fludioxonil is (30:1)-(1:40), preferably the mixture ratio is (20:1)-(1:20); and the cartap hydrochloride and the fludioxonil are added into a conventional additive and the mixture can be processed to form an agriculturally-general form. The insecticide and fungicide combined agent disclosed by the invention can be used for effectively controlling other seed-borne diseases such as bakanae disease of rice and aphelenchoides besseyi by adopting a seed coating method, a seed-immersion method and a shoot treatment method.
Description
Technical field
The invention belongs to technical field of pesticide, relate to the method for a kind of fludioxonil and cartap combination desinsection, bactericide and control paddy rice seed-borne disease thereof.
Background technology
Since the nineties in last century, the paddy rice seed-borne disease becomes produces upward distinct issues, and bakanae disease of rice, aphelenchoides besseyi disease, seedling rice blast, paddy rice cecospora spot etc. become the normal venereal disease evil of sending out.These diseases are by seed dispersal, and the best approach of preventing and treating these diseases promptly adopts seed treatment (seed pelleting, medicament seed soaking etc.).
It is many to be used for the medicament kind that rice paddy seed handles on producing at present, mainly contains carbendazim, Prochloraz, 2-cyano-3-amino-3-phenylancryic acetate etc. and is used for killing rice paddy seed and posts the disease fungus of Tibetan and then prevent and treat bakanae disease of rice, seedling rice blast etc. and plant the fax fungal diseases.Because use all the year round, fusarium moniliforme develops immunity to drugs to carbendazim, the also obviously decline of susceptibility to Prochloraz makes these medicaments obviously descend to the control efficiency of bakanae disease of rice.And important seed-borne disease on the paddy rice---Aplelenchiodes bessegi of rice takes place serious in part rice district, and it is few to can be used for preventing and treating the medicament of this disease.
Fludioxonil (English common name: fludioxonil, chemical name: 4-(2,2-two fluoro-1, dioxy between the 3-benzo-4-yl) pyrroles-3-nitrile) is a kind of novel non-internal-absorting phenylpyrrole series bactericidal agent.Switzerland Ciba-Geigy company in 1984 (existing Syngenta Co.,Ltd) carries out the synthetic fludioxonil of chemical modification with the chlorine of cyanic acid replacement pyrroles 3-position.EPA (EPA) thinks that fludioxonil is relevant with " low-risk " toxicity, registers and allowed use in 1996 in the U.S..The antibacterial mechanism of fludioxonil then is to suppress mycelial growth through suppressing the transhipment relevant with the glucose phosphorylated, finally causes germ dead.Fludioxonil both can suppress spore rudiment, germ tube elongation, mycelial growth; Pathogens such as sac fungi, basidiomycetes, imperfect fungus there is good preventive effect; Be widely used in multiple kinds of crops seed treatment (dressing or seed dressing), the rot that is used for preventing and treating fruit vegetables storing just gradually at present.
Cartap (english common name cartap, chemical name: 1,3-pair-(carbamyl sulfenyl)-2-(N, TMSDMA N dimethylamine base) propane hydrochloride salt) be a kind of sandworm toxin insecticide.1967 by Japan's exploitation manufacturing.Cartap has stomach toxicity, tags and systemic action, and certain ovicidal action is also arranged.Change nereistoxin into after getting into polypide, can block the central nervous system cynapse and transmit impulsion, make that insect is slow in action, food refusal, polypide is softening, and is dead after 3～5 days.Be mainly used in control rice-stem borer, paddy stem borer, scotellaris, paddy stem maggot etc.The nineties in last century, report can be prevented and treated the aphelenchoides besseyi disease with the cartap seed soaking.
Based on paddy rice seed-borne disease occurrence characteristic; The defective that exists is gone up in rice seed treating agent production at present and application; We use fludioxonil and cartap and carry out compositely, invent and a kind ofly can effectively prevent and treat other seed-borne disease such as bakanae disease of rice, Aplelenchiodes bessegi of rice simultaneously and to natural enemies security, environment amenable efficient seed treatment.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of the disease fungus and the nematode of posting the Tibetan in the rice paddy seed had better control efficiency, and to the method for the little compound insecticidal of environmental influence, bactericide and control paddy rice seed-borne disease thereof.
The component of combination rice seed treating agent of the present invention is cartap and fludioxonil.
Combination rice seed treating agent of the present invention is combination desinsection, the bactericide of component with cartap and fludioxonil, and active ingredient wherein is that fludioxonil and cartap percentage by weight are 30: 1～1: 40, and optimum ratio is 20: 1～1: 20.
When cartap of the present invention and fludioxonil compound insecticidal, bactericide; The additive that can add convention amount; Said additive is one or more in solvent, emulsifier, dispersant, stabilizing agent, antifreezing agent, thickener, the warning colouration, and by common method make wetting powder (WP), water solube powder (AF), seed treatment microcapsule suspending agent (CF), dry suspending agent (DF), dried seed dressing (DS), colloidal suspending agent (JG), seed treatment emulsion (ES), suspension seed-coating agent (FS), suspension seed dressing (FSB), dried seed dressing (GB), dry-powder seed coating agent (GZ), seed treatment liquor (LS), microemulsion (ME), water and milk kind clothing agent (RSC), suspending agent (SC), plant clothing agent (SD), suspension emulsion (SE), aqueous emulsion (EW), seed treatment (ZC), seed treatment soluble powder (SS) but wet-milling kind clothing agent (SZ), seed treatment suspending agent (ZX) but, seed treatment dispersion powder (ZF), seed treatment dry powder doses (ZGF), oil base kind clothing agent (YG) microemulsion, missible oil, water dispersion granule or granule etc.
One of method of combination seed treatment of the present invention control paddy rice seed-borne disease is: rice paddy seed with combination seed treatment dressing after after the oven dry, prior to seeding with clear water seed soaking 24～60 hours, again by the sowing of conventional vernalization (or not vernalization) back.
Two of the method for combination seed treatment control paddy rice seed-borne disease of the present invention is: combination seed treatment of the present invention is with 400～600 times of clear water dilutions; Immerse rice paddy seed; Soup is advisable to exceed seed face 5～10cm; The soup seed soaking was pulled seed out after 36～60 hours, again by the sowing of conventional vernalization (or not vernalization) back.
Three of the method for combination seed treatment control paddy rice seed-borne disease of the present invention is: rice paddy seed is pulled seed with the clear water dipping out after 36～60 hours; Control the solid carbon dioxide branch slightly; Press conventional method vernalization about 24 hours; After treating that bud shows money or valuables one carries unintentionally, with combination seed treatment seed dressing of the present invention, vernalization 24 hours (or not vernalization) back sowing again after the seed dressing.
Benefit of the present invention:
1, expanding prevention object and raising drug effect.Fludioxonil has killing action to fungi, and invalid to nematode; Cartap has higher killing effect to Aphelenchoides oryzae Yokoo.After using with, both can prevent and treat paddy rice kind borne fungus diseases and Aplelenchiodes bessegi of rice simultaneously.
2, save medicine basis and cost.Owing to mix use to insecticide and bactericide, make the peasant use once to soak seed or seed treatment can be prevented and treated multiple diseases.
3, alleviate harmful effect to environment.Reduce spray medicine number of times and spray value, environment middle peasant powder source pollution source reduce.
Embodiment
Embodiment 1:2.5% coughs up mattress nitrile cartap suspension seed-coating agent
Take by weighing the former medicine 0.5g of fludioxonil, the former medicine 2g of cartap adds two former medicines in the entry; In stirred tank, be stirred to homogeneous liquid, add dispersant (sodium lignin sulfonate) 0.5%～10%, wetting agent (alkylnaphthalene sulfonate) 0.5%～10%; Film forming agent (polyvinyl acetate) 4% is after stirring; Thickener (polyvinyl alcohol) 0.1%～5% after slowly adding dilute with water under 60～120rpm/min mechanical agitation; Warning colouration (basic rhodamine) 1%, antifreezing agent (ethylene glycol) 0.1%～5%, antifoaming agent (silicone oil) 0.01%～3%; Water is supplied 100ml; Adopt the air compression pipe to carry feed liquid during grinding, adopt the sand mill (loading thin zirconium oxide bead and thick zirconium oxide bead) of 4 series connection to carry out continuous sand milling, process 2.5% fludioxonil cartap suspension seed-coating agent (FS).
Embodiment 2:5% fludioxonil cartap microemulsion
Take by weighing the former medicine 2.5g of fludioxonil, the former medicine 2.5g of cartap adds organic solvent 5%～25%, emulsifier 5%～25%, and antifreezing agent 0.1%～5%, water is supplied 100ml, processes 5% fludioxonil cartap ME;
In the above-mentioned microemulsion trial-production, organic solvent is the 150# solvent naphtha, and emulsifier is an aliphatic acid polyethenoxy ether series mixed mixture, and antifreezing agent is an ethylene glycol.Under stirring condition, fludioxonil is joined in the organic solvent, add cosolvent again, dissolve the back fully at former medicine and add emulsifier and make emulsifiers dissolve.Under 50～90rpm/min condition, add entry and antifreezing agent and add the former medicine of cartap, stir the microemulsion that 30min obtains homogeneous transparent.
Embodiment 3:15% fludioxonil cartap suspending agent
Take by weighing the former medicine 5g of fludioxonil, the former medicine 10g of cartap adds two former medicines in the entry, in stirred tank, is stirred to homogeneous liquid, adds dispersant (sodium lignin sulfonate) 0.5%～10%, and wetting agent (alkylnaphthalene sulfonate) 0.5%～10% is after stirring; Thickener (polyvinyl alcohol) 0.1%～5% after slowly adding dilute with water under 60～120rpm/min mechanical agitation; Antifreezing agent (ethylene glycol) 0.1%～5%; Antifoaming agent (silicone oil) 0.01%～3%, water is supplied 100ml, adopts the air compression pipe to carry feed liquid during grinding; Adopt the sand mill (loading thin zirconium oxide bead and thick zirconium oxide bead) of 4 series connection to carry out continuous sand milling, process 15% fludioxonil cartap SC;
Embodiment 4: the medicament seed pelleting is to the field control effect of paddy rice seed-borne disease
2.5% fludioxonil cartap FS presses medicine: plant than evenly seed dressing in 1: 60,1: 80,1: 100, dry the back after the seed dressing and store.The capsuled seed vernalization sowing behind the 24h of soaking seed prior to seeding, the bakanae disease of 25d investigation after planting diseased plant rate is transplanted rice tillering Sheng phase investigation land for growing field crops, back bakanae disease, the Aplelenchiodes bessegi of rice incidence of disease, and is calculated protection effect.The result is as shown in table 1.2.5% fludioxonil cartap FS all has the better prevention effect to bakanae disease of rice and Aplelenchiodes bessegi of rice, sees from control efficiency, and 2.5% fludioxonil cartap FS presses medicine: plant than the both economical practicality of seed dressing in 1: 80.
Table 1:2.5% fludioxonil cartap FS is to the control efficiency of bakanae disease of rice, Aplelenchiodes bessegi of rice
Embodiment 5: the medicament seed soaking is to the field control effect of paddy rice seed-borne disease
Table 2:5% fludioxonil cartap ME is to the control efficiency of bakanae disease of rice, Aplelenchiodes bessegi of rice
5% fludioxonil cartap ME was diluted to soup by 1: 100,1: 150,1: 200, and by every hydrargyrum oxydatum crudum liquid immersion rice 600g, elimination soup behind the seed soaking 48h is by sowing behind the conventional method vernalization 48h.The bakanae disease of 30d investigation after planting diseased plant rate is transplanted rice tillering Sheng phase investigation land for growing field crops, back bakanae disease, the Aplelenchiodes bessegi of rice incidence of disease, and is calculated protection effect.The result is as shown in table 2.5% fludioxonil cartap ME all has the better prevention effect to bakanae disease of rice and Aplelenchiodes bessegi of rice, sees from control efficiency, and seed soaking was higher to the control efficiency of disease after 5% fludioxonil cartap ME pressed 1: 100 times of dilution.
Embodiment 6: the dressing seed bud is to the field control effect of paddy rice seed-borne disease
Rice paddy seed is soaked seed in clear water and is taken out behind the 48h, by conventional method vernalization 24h, treats that the rice paddy seed back that shows money or valuables one carries unintentionally evenly dresses seed with 15% fludioxonil cartap SC1.5ml, 3ml, 4.5ml by every kilogram of dry seeds, sows behind the vernalization 24h after the seed dressing again.The bakanae disease of 25d investigation after planting diseased plant rate is transplanted rice tillering Sheng phase investigation land for growing field crops, back bakanae disease, the Aplelenchiodes bessegi of rice incidence of disease, and is calculated protection effect.The result is as shown in table 3.15% fludioxonil cartap SC all has the better prevention effect by the 1.5～4.5ml/kg seed seed dressing seed that shows money or valuables one carries unintentionally to bakanae disease of rice and Aplelenchiodes bessegi of rice; See that from control efficiency 15% fludioxonil cartap SC is higher to the control efficiency of disease by the 3～4.5ml/kg seed seed dressing seed that shows money or valuables one carries unintentionally.
Table 3:15% fludioxonil cartap SC is to the control efficiency of bakanae disease of rice, Aplelenchiodes bessegi of rice
Though in the preceding text with general explanation, specific embodiments and and effect experiment the present invention has been done detailed description, on basis of the present invention, can to some modifications of do and improvement, this will be apparent to those skilled in the art.Therefore these modifications and the improvement made on the basis of not departing from spirit of the present invention all belongs to the scope that requirement of the present invention is protected.
Claims (5)
1. composition pesticide, it is characterized in that: the active ingredient in the composition is fludioxonil and cartap, the mass ratio of fludioxonil and cartap is 30: 1～1: 40.
2. composition pesticide according to claim 1 is characterized in that: the mass ratio of active ingredient fludioxonil and cartap is preferably 20: 1～and 1: 20.
3. according to claim 1 or 2, it is characterized in that said composition pesticide is mixed with following formulation: but but formulations such as wetting powder, water solube powder, seed treatment microcapsule suspending agent, dry suspending agent, dried seed dressing, colloidal suspending agent, seed treatment emulsion, suspension seed-coating agent, suspension seed dressing, dried seed dressing, dry-powder seed coating agent, seed treatment liquor, microemulsion, the agent of water and milk kind clothing, suspending agent, the agent of kind clothing, suspension emulsion, aqueous emulsion, seed treatment, the agent of seed treatment soluble powder wet-milling kind clothing, seed treatment suspending agent, seed treatment dispersion powder, seed treatment dry powder doses, the agent of oil base kind clothing, microemulsion, missible oil, water dispersion granule.
4. according to claim 1,2 or 3, it is characterized in that: fludioxonil and cartap percentage composition in the composition pesticide preparation is 1%～80%.
5. the application of composition pesticide according to claim 1 and 2 on control paddy rice seed-borne disease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102713983A CN102754654A (en) | 2012-07-31 | 2012-07-31 | Insecticide and fungicide combined agent for treating rice seeds |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102713983A CN102754654A (en) | 2012-07-31 | 2012-07-31 | Insecticide and fungicide combined agent for treating rice seeds |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875712A (en) * | 2014-03-31 | 2014-06-25 | 李兆勇 | Safe pleietrepie rice seed treating agent |
| CN104094952A (en) * | 2014-07-03 | 2014-10-15 | 济南一农化工有限公司 | Dry suspending agent for pesticide fungicide, and preparation method thereof |
| CN108124906A (en) * | 2017-12-21 | 2018-06-08 | 中国水稻研究所 | A kind of paddy rice seed soaking agent |
| CN109661989A (en) * | 2018-11-20 | 2019-04-23 | 安徽禾新现代农业科技有限公司 | A kind of watermelon insect pest control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875712A (en) * | 2014-03-31 | 2014-06-25 | 李兆勇 | Safe pleietrepie rice seed treating agent |
| CN104094952A (en) * | 2014-07-03 | 2014-10-15 | 济南一农化工有限公司 | Dry suspending agent for pesticide fungicide, and preparation method thereof |
| CN108124906A (en) * | 2017-12-21 | 2018-06-08 | 中国水稻研究所 | A kind of paddy rice seed soaking agent |
| CN108124906B (en) * | 2017-12-21 | 2019-11-15 | 中国水稻研究所 | A kind of paddy rice seed soaking agent |
| CN109661989A (en) * | 2018-11-20 | 2019-04-23 | 安徽禾新现代农业科技有限公司 | A kind of watermelon insect pest control method |
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Application publication date: 20121031 |