CN103053568B - Compound insecticide for preventing rice planthoppers - Google Patents
Compound insecticide for preventing rice planthoppers Download PDFInfo
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- CN103053568B CN103053568B CN201310018208.1A CN201310018208A CN103053568B CN 103053568 B CN103053568 B CN 103053568B CN 201310018208 A CN201310018208 A CN 201310018208A CN 103053568 B CN103053568 B CN 103053568B
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- pyridaben
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Abstract
The invention provides a compound insecticide for preventing rice planthopper. The compound insecticide comprises pyridaben and fenobucarb serving as effective components, wherein the mass ratio of the pyridaben to the fenobucarb is 4:1 to 1:128. The compound insecticide has the advantages of synergism, few dosage, wide range of prevention objects, reduction of medication cost and alleviation of environment pollution.
Description
Technical field
The invention belongs to Chemical Control of Harmful Insects field, be specifically related to a kind of compounded pesticides of preventing and treating rice hoppers.
Background technology
Pyridaben, adopted name: Pyridaben, chemical name: 2-tertiary butyl-5-(4-tertiary butyl benzylthio) the chloro-3(2H of-4-)-pyridazinone is a kind of heterocyclic insecticidal/acaricidal agent.Be widely used in preventing and treating various tetranychids, aleyrodid and aphid on the crops such as oranges and tangerines, apple, cotton and tealeaves.
Bassa, adopted name: Fenobucarb, chemical name: o-sec-butyl phenyl methyl carbamate, for conventional carbamates insecticidal/acaricidal agent, plant is had to infiltration translocation, insecticidal action is fast, there are ovicidal and systemic action, under low temperature condition, still have good insecticidal effect.Be applied to and on the crop such as paddy rice, cotton, prevent and treat the insects such as plant hopper, leafhopper, cotten aphid, cotton bollworm.
Rice fulgorid, comprise brown planthopper Nilaparvata lugens, white-backed planthopper Sogatella furcifera and small brown rice planthopper Laodeobhax striatellus, for migratory pest, all there is distribution in national paddy fields, it is one of primary pest of rice crop, except self harm to paddy rice, 5 kinds of viruses that they propagate: rice grassy stunt virus (RGSV), paddy rice tingia stunt virus (RRSV), oryza virus 3 (RSV), rice black-streaked dwarf virus (RBSDV), southern rice black-streaked dwarf virus (SRBSDV), have a strong impact on the quality and yield of paddy rice.Begin from phase late 1960s, the virus disease of rice fulgorid and biography band thereof is just one of key factor affecting Asia Rice Production always.
For a long time, people are mainly with chemical pesticide control rice fulgorid, institute's with medicament is mainly anabasine, organic phosphates, carbamates and Avermectin etc., but long-time a large amount of use of insecticide blindly, in addition the biological property of rice fulgorid self, caused rice fulgorid resistance level constantly to improve, conventional medicament now cannot obtain good control efficiency.Thereby searching is safe, alternative medicament more and more seems important efficiently.
The synergistic complex of agricultural chemicals is the effective measures that expand chemical control scope, raising desinsection quick-acting and lasting effect, delay pest resistance to insecticide, and the insecticide acaricide composition that not yet finds that there is up to now pyridaben and Bassa is used for preventing and treating the relevant report of rice fulgorid.
Summary of the invention:
The object of this invention is to provide a kind of compounded pesticides of preventing and treating rice hoppers, by the mixture of pyridaben and Bassa, make compounded pesticides, be used for preventing and treating rice fulgorid, effective, dosage is low; And the method that provides application said composition to prevent and treat the insects such as rice fulgorid, Bemisia tabaci.
The technical solution used in the present invention is as follows:
A compounded pesticides of preventing and treating rice hoppers, is characterized in that: be made up of active ingredient pyridaben, Bassa and auxiliary material component, wherein, the mass ratio of pyridaben and Bassa is 4:1 ~ 1:128.
In described compounded pesticides, the mass ratio of pyridaben and Bassa is 4:1 ~ 1:4.
In described compounded pesticides, the mass ratio of pyridaben and Bassa is 1:1 ~ 1:2.
The formulation of described compounded pesticides is missible oil, suspension emulsion, water-dispersible granules or wetting powder.
Pyridaben is heterocyclic insecticidal/acaricidal agent, and mite class, aleyrodid and aphid are all had to good effect, knocks down rapidly, and the lasting period is long.
Bassa insecticidal action is fast, has ovicidal and systemic action, and plant is had to infiltration translocation, but the lasting period is short.
Pyridaben and Bassa are carried out compositely can improving drug effect, expanding prevention scope, extend drug effect, reduce consumption.
Using method: by the medicament of preparation by can conventional spraying after 1000 or 2000 times of dilutions, atomizing, or utilize the big machineries such as hot mist machine, aircraft to carry out large area dispenser, reduce the generation of the insects such as rice fulgorid.
It is good that the present invention is used for preventing and treating rice fulgorid preventive effect, also finds pyridaben and Bassa mixture, and the insects such as Bemisia tabaci, cigarette aphid, cotten aphid, pear sucker are had to excellent preventive effect.
The invention provides a kind of medicament mixture of passing through, improve drug effect, the method for control rice fulgorid.By the medicament of preparation by can conventional spraying after 1000 or 2000 times of dilutions, atomizing, or utilize the big machineries such as hot mist machine, aircraft to carry out large area dispenser, reduce the generation of the insects such as rice fulgorid.
Beneficial effect of the present invention:
Pesticidal combination of the present invention compared with prior art, produces following beneficial effect: (1), compared with single dose, said composition, to insect notable synergistic, has obviously improved control efficiency, has significantly reduced drug cost; (2) insect is difficult for developing immunity to drugs to this medicament, has also suppressed the resistance of insect to other agricultural chemicals simultaneously; (3) insect is had concurrently to quick-acting and long-acting function; (4) field dosage be can significantly reduce, environmental pollution and residue of pesticide effectively reduced; (5), compared with other conventional medicaments, produce and use cost reduction; (6) one medicines are controlled more, and a dispenser can prevent and treat various pests simultaneously, reduce control recruitment cost; (7) reduced the toxicity to other non-target organisms.
Experimental data
One, reagent agent: the former medicine of pyridaben; The former medicine of Bassa
Two, for examination insect: paddy rice small brown rice planthopper; Brown Planthopper
Three, assay method:
The method that adopts indoor bioassay and field control effectiveness test to combine.
First the co-toxicity coefficient of the built agent that draws different proportionings by indoor bioassay to paddy rice small brown rice planthopper and brown planthopper, then by clear and definite its control efficiency of field control effectiveness test, determine formula rate and the optimum amount of built agent.
Indoor bioassay: adopt glass-tube medicine embrane method.Former medicinal acetone diluted is become to series concentration, accurately measure liquid 0.5 mL with 0.5 mL pipette, adding capacity is (standard test tube) in the teat glass of 20 mL, it is lain against on experimental bench and constantly and is rolled, make acetone volatilization, medicament forms medicine film at glass-tube inwall, compares with the glass tube that only adds acetone film forming, and every concentration repeats 4 times.In every pipe, 30 of consistent adults are grown in access, and the mouth of pipe seals with spun yarn net and court has a down dip 35
oplace, after processing, 5 h check dead, the borer population of living.By SPSS 17.0 statistical software deal with data.
Field effect: have the formula of synergistic effect to make missible oil (EC), suspension emulsion (SE), wetting powder (WP), water-dispersible granules (WDG) indoor bioassay gained and test.Community is set and sprays after medicament, check preventive effect is also determined applicable dosage.
Table 1, table 2 have provided respectively the virulence test result of 5 kinds of medicaments to striatellus imago, brown planthopper adult;
Can find out by table 1 and table 2, pyridaben has shown good virulence to small brown rice planthopper and brown planthopper, and Bassa is slightly poor to the virulence of small brown rice planthopper and brown planthopper.
Table 3, table 4 have provided respectively pyridaben and the virulence test result of Bassa different proportion mixture to striatellus imago, brown planthopper adult;
Can find out that by table 3, table 4 pyridaben and Bassa have all shown good synergistic effect by 1:1 and 1:2 mixture to small brown rice planthopper and brown planthopper.
The virulence of 5 kinds of medicaments of table 1 to striatellus imago
The virulence of 5 kinds of medicaments of table 2 to brown planthopper adult
Table 3 pyridaben and the virulence of Bassa different proportion mixture to striatellus imago
Table 4 pyridaben and the virulence of Bassa different proportion mixture to brown planthopper adult
Embodiment:
Pyridaben and Bassa, with the ratio of 1:1 ~ 1:2, are added to the auxiliary agents such as excipients, wetting agent, filler, made the formulations such as missible oil, suspension emulsion, water-dispersible granules, wetting powder.For description effect, be further illustrated to example 4 with example 1 below, but be not limited to this.
Example 1:35% missible oil
Get pyridaben 15.80g, Bassa 20.62g, adds cyclohexane 26.42g, after mixing, add agricultural emulsifier NO．600 3.0g, castor oil polyethylene glycol condensation product 3.0g, calcium dodecyl benzene sulfonate 4.0g, continue to mix, then mend to 100g with dimethylbenzene, after mixing, be configured to missible oil.
Example 2:35% suspension emulsion
Get pyridaben 15.80g, Bassa 20.62g, sodium lignin sulfonate 4g, sodium methylene bis-naphthalene sulfonate 2.5 g, fatty alcohol-polyoxyethylene ether 5 g, castor oil polyoxyethylene ether 3 g, xanthans 0.15 g, urea 10 g, octanol 3 g, water is mended 100 g, after evenly mixing, drops into sand mill, be ground to particle diameter 5 μ m, make suspension emulsion.
Example 3:30% water-dispersible granules
Get pyridaben 15.80g, Bassa 15.80g, methyl fatty acid amide benzene sulfonic acid sodium salt 5 g, sodium methylene bis-naphthalene sulfonate 5 g, sodium carbonate 3 g, White Carbon black 35 g, sodium lignin sulfonate 8 g, attapulgite is mended to 100 g.First Bassa is adsorbed by White Carbon black, then after being mixed together evenly with pyridaben, methyl fatty acid amide benzene sulfonic acid sodium salt, sodium methylene bis-naphthalene sulfonate, sodium carbonate, attapulgite, be crushed to particle diameter 5 μ m through airslide disintegrating mill, obtain female powder, female powder is fully mixed to rear granulation, dries, sieves with sodium lignin sulfonate, thereby make water-dispersible granules.
Example 4:35% wetting powder
Get pyridaben 15.80g, Bassa 20.62g, dispersant NNO 6g, Negel formaldehyde condensation products 2.5g, ammonium sulfate 5g, White Carbon black 40g, kaolin is mended to 100 g, first Bassa is adsorbed by White Carbon black, then evenly mixes with other above-mentioned substances, mixture is pulverized through airslide disintegrating mill, makes wetting powder.
Use the method for above-mentioned composition pesticide pest control to be made into suspension spray use for adding water at Injurious insect emergence period, control rice fulgorid, its effect is in table 5.
The field effect of table 5 pyridaben preparation control different from Bassa rice fulgorid
Can find out by table 5, the pyridaben of preparation preparations different from Bassa have all shown good preventive effect to rice fulgorid, and in 3 days, preventive effect is more than 90%, and after 10 days, preventive effect is still more than 80%, is significantly higher than pyridaben and Bassa single dose.
Claims (3)
1. a compounded pesticides of preventing and treating rice hoppers, is characterized in that: be made up of active ingredient pyridaben, Bassa and auxiliary material component, wherein, the mass ratio of pyridaben and Bassa is 1:(1-4).
2. the compounded pesticides of preventing and treating rice hoppers according to claim 1, is characterized in that: be made up of active ingredient pyridaben, Bassa and auxiliary material component, wherein, the mass ratio of pyridaben and Bassa is 1:1 ~ 1:2.
3. the compounded pesticides of preventing and treating rice hoppers according to claim 1, is characterized in that: the formulation of described compounded pesticides is missible oil, suspension emulsion, water-dispersible granules or wetting powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310018208.1A CN103053568B (en) | 2013-01-18 | 2013-01-18 | Compound insecticide for preventing rice planthoppers |
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| CN201310018208.1A CN103053568B (en) | 2013-01-18 | 2013-01-18 | Compound insecticide for preventing rice planthoppers |
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| CN103053568A CN103053568A (en) | 2013-04-24 |
| CN103053568B true CN103053568B (en) | 2014-06-04 |
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| CN104521471A (en) * | 2014-12-04 | 2015-04-22 | 中国农业科学院棉花研究所 | Identification method of high-resistance and high-sensitivity bemisia tabaci standard material of semi-wild cotton |
| CN106358863A (en) * | 2016-08-31 | 2017-02-01 | 山东瑞达有害生物防控有限公司 | Method for preventing and curing diaphorina citri by virtue of airplane |
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| JPS61145106A (en) * | 1984-12-18 | 1986-07-02 | Nissan Chem Ind Ltd | Insecticide-acaricide composition |
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Non-Patent Citations (5)
| Title |
|---|
| 16种杀虫剂对稻飞虱的田间防治效果;廖世纯等;《中国农学通报》;20080930;第24卷(第9期);345-347 * |
| JP昭61-145106A 1986.07.02 |
| 乔康等.几种杀虫剂及其混剂对褐飞虱的毒力测定.《农药研究与应用》.2010,第14卷(第02期),19-21. |
| 几种杀虫剂及其混剂对褐飞虱的毒力测定;乔康等;《农药研究与应用》;20100430;第14卷(第02期);19-21 * |
| 廖世纯等.16种杀虫剂对稻飞虱的田间防治效果.《中国农学通报》.2008,第24卷(第9期),345-347. |
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