CN100379342C - Composite pesticide of one class preventing and control rice pests - Google Patents
Composite pesticide of one class preventing and control rice pests Download PDFInfo
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- CN100379342C CN100379342C CNB2006100967299A CN200610096729A CN100379342C CN 100379342 C CN100379342 C CN 100379342C CN B2006100967299 A CNB2006100967299 A CN B2006100967299A CN 200610096729 A CN200610096729 A CN 200610096729A CN 100379342 C CN100379342 C CN 100379342C
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- chrysanthemum ester
- ether chrysanthemum
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Abstract
The invention relates to a high-effect and low-toxicity composite farm pesticide, which includes ether chrysanthemic ester, for preventing and controlling the pest of rice ash fly cootie, rice leaf folder, rice stem borer and yellow rice borer. The pesticide contains 0.5-20 wt.% of active components ether chrysanthemic ester, 2-30 wt.% of active components triazophos, 2-50 wt.% of chlorpyrifos, 2-50 wt.% of fenitrothion, 2-50 wt.% of diazinon, 10-60 wt.% of acephate, 20-60 wt.% of thrichlorfon, 5-50 wt.% of monosultap, 5-15 wt.% of emulsification, and the rest is solvent. The advantage of the composite farm pesticide is: 1) The effect is improved highly for controlling the pest of rice ash fly cootie and rice leaf folder; 2) One kind of agricultural chemicals can controlling various pests, and can prevent and control various pests at the same time. Agricultural chemicals' cost and work time being reduced. 3) High poisonous such as phosphorus methylamine insecticide can be replaced and the dosage of agricultural chemicals can also be reduced. Environment pollution and the rudimental pesticide of rice and marine lives can be reduced efficaciously. 4) The singular drug-fast capability of the pests such as rice leaf folder and rice ash fly cootie is restrained.
Description
One, technical field
The invention belongs to insect chemical control technical field, a class that specifically relates to be used to prevent and treat multiple rice grubs such as small brown rice planthopper, rice leaf folder, striped rice borer and paddy stem borer contains the efficient composite insecticide of ether chrysanthemum ester.
Two, technical background
Small brown rice planthopper is that Laodelphax striatellus Fallen is a kind of propagation stripe disease, the vector insect of multiple gramineous crop virus diseases such as paddy and wheat, corn black streak dwarf, wheat rosette stunt.In recent years, small brown rice planthopper is especially big generation in Jiangsu Province, causes being very popular of stripe disease, produces to paddy rice and brings heavy losses.For a long time, the control of small brown rice planthopper mainly relies on medicaments such as Imidacloprid, dichlorvos, and wherein the Imidacloprid preventive effect is slower, and general control to control effect undesirable, dichlorvos etc. have certain quick-acting, but the lasting period is short especially.Rice leaf roller Cnaphalocrocis medinalisGuenee is a kind of migrating property rice grub, and the paddy rice of causing harm is caused Bai Ye.It is sudden strong, and it is wide to cause harm, and is one of paddy rice primary pest.For a long time, the control of rice leaf roller mainly relies on insecticide varieties such as acephatemet, desinsection list, because acephatemet belongs to high-toxic pesticide, has banned use of in China; Desinsection list (two) belongs to the bio-imitability low toxic pesticide, but the control efficiency of above rice leaf roller is relatively poor to 2 ages, under the situation that insect breaks out on a large scale, existing single control medicament and composite dose are controlled causing harm of rice leaf roller all not yet in effectly, produce to paddy rice and bring heavy losses.Therefore, demand researching and developing low toxicant quick-acting and that effect has both urgently,, control the popular of stripe disease with the generation of effective compacting small brown rice planthopper and rice leaf roller.
Ether chrysanthemum ester is the ethers pyrethroid insectide of no ester structure in a kind of molecule, and chemical name is 2-(4-ethoxyl phenenyl)-2-methyl-propyl-3-phenoxy benzyl ether, and it by the exploitation of Mitsui chemical company, now domesticizes the earliest.It belongs to never poison, has and tags and stomach poison function, does not inhale conduction in not having.Quick-acting, the speed of knocking down is fast, insecticidal spectrum is wide, and is effective to various pests such as Lepidoptera, Homoptera, Semiptera, coleoptera, diptera, Isopteras.Ether chrysanthemum ester is low to aquatile toxicity such as fish, can be used safely in the paddy field.At present, China has begun to carry out pyrethrin pesticide test aspect the restricted use in paddy field, and this uses for the expansion of ether chrysanthemum ester in China's agricultural production and lays a good foundation.
Ether chrysanthemum ester has and tags and stomach poison function as a kind of pyrethroid insecticides of tool knockdown effect, and is very fast to the insect speed of action, but the lasting period is not long.If with the organic phosphates pharmacy mix, can significantly enlarge insecticidal spectrum, improve control efficiency, prolong the lasting period, also can alleviate the pesticide resistance of insect simultaneously.
Three, summary of the invention
1, goal of the invention
The one class composite insecticide of various pests such as high-efficiency prevention and control small brown rice planthopper, rice leaf roller, striped rice borer, paddy stem borer simultaneously is provided, reduces spraying times and dosage, alleviate environmental pollution and residue of pesticide, and suppress the pesticide resistance of insect single insecticide.
2, technical scheme
For achieving the above object, the present invention is composite with organophosphorus insecticideses such as Hostathion, chlopyrifos and basudin respectively with the ether chrysanthemum ester of quick-acting, obtained one efficient to various pests such as small brown rice planthopper, rice leaf roller, striped rice borer, paddy stem borers roughly the same the time, have the multifunctional insecticide agent that the effect of quick-acting and long-acting control evil, a medicine are controlled more concurrently, significantly reduce the application cost of dosage, spraying times and ether chrysanthemum ester, and suppressed the pesticide resistance of insect.
The present invention is efficient, the low toxicity composite insecticide that a class contains ether chrysanthemum ester, it is characterized in that being made up of with any and auxiliary agent of active ingredient Hostathion, chlopyrifos, basudin respectively primary activity composition ether chrysanthemum ester.Use 100 gram finished medicines to calculate by every mu, the percentage by weight of each component is in the finished medicines: primary activity composition ether chrysanthemum ester 0.5-20%, another kind of active ingredient Hostathion 2～30%, or chlopyrifos 2～50%, or basudin 2～50%, emulsifier 5-15%, all the other are solvent.
3, beneficial effect
Composite insecticide of the present invention compared with prior art produces following beneficial effect: (1) is compared with single agent, and notable synergistic has significantly improved the effect of preventing and treating small brown rice planthopper, rice leaf roller and the snout moth's larva of rice; (2) one medicines are controlled more, and a dispenser can prevent and treat multiple rice grub simultaneously, reduce control medicine basis and cost; (3) substitute the high toxicity agricultural chemicals, and reduced the field consumption of agricultural chemicals significantly, effectively reduced residue of pesticide in environmental pollution and the rice; (4) suppress the pesticide resistance of insects such as small brown rice planthopper, rice leaf roller and striped rice borer to single medicament; (6) compare with the agent of ether chrysanthemum ester list, composite insecticide of the present invention has not only improved preventive effect, and has reduced application cost significantly.
Four, embodiment:
Embodiments of the invention are the methods that adopt indoor bioassay and field trial to combine.Earlier the co-toxicity coefficient after composite by a certain percentage by the clear and definite two kinds of medicament active principles of indoor biometrics carries out field trial more on this basis.
Reagent agent: ether chrysanthemum ester is that Zhangjiagang seven continent pesticide chemical Co., Ltds produce, and Hostathion is that Zhejiang Xinnong Chemical Co., Ltd produces, and chlorpyrifos ec is that Shanghai favour photochemistry Co., Ltd produces, and basudin is that Zhejiang Prov HeBen pesticide Chemical Co., Ltd produces.
For the examination insect: the synergistic effect in composite dose between two kinds of single agent components is measured, used small brown rice planthopper be indoors artificial raise 3 age nymph, used rice leaf roller is that 3 instar larvaes, striped rice borer and the paddy stem borer that gather in the field are that the pieces of an egg hatching back of gathering, field is at indoor feeding to 3 instar larvae; The worm source of field trial is the abiogenous small brown rice planthopper in experimental field, academy of agricultural sciences, Jiangsu Province, Nanjing, rice leaf roller and snout moth's larva.
Assay method:
Indoor synergy is measured: with the former medicine of ether chrysanthemum ester respectively with Hostathion, chlopyrifos, the former medicine of basudin by certain effective ingredient than after mixing, fully dissolve (specifically process for preparation is seen embodiment) with organic solvent, be diluted with water to a series of concentration liquids again.Adopt dip method, larva is soaked in soup after 1 second and takes out, and places earlier to inhale on the blotting paper to remove residual liquor, places on the rice leaf again.Investigate dead borer population respectively at 24h, 48h and 72h after the immersion liquid, calculate co-toxicity coefficient.
Field control effectiveness test: composite dose (concrete process for preparation and consumption are seen embodiment) that earlier ether chrysanthemum ester is mixed with certain content and formulation respectively with Hostathion, chlopyrifos, basudin.Serve as the contrast medicament simultaneously with various single agent, with clear water as space management.Adopt spray-on process, incubate the peak period dispenser small brown rice planthopper low age nymph peak of occurrence, a rice leaf roller low instar larvae Sheng phase and striped rice borer or paddy stem borer ovum, each single agent or composite dose are converted water by every mu of dosage be configured to soup respectively for 50 kilograms, even spraying, respectively at investigating residual borer population behind the medicine in 1 day and 7 days, calculate insecticidal effect, every sub-district 30m
2, every processing repeats 4 sub-districts.
Implementation result
Embodiment 1: ether chrysanthemum ester and Triazoxide as built-up agent
The preparation of medicament is measured in synergy: ether chrysanthemum ester and the former medicine of Hostathion are mixed than 1: 7,1: 5,1: 3,1: 1 and 2: 1 by effective ingredient respectively, after fully dissolving with acetone, add Triton100, and then be diluted with water to the soup of a series of concentration.
The result that synergy is measured shows, ether chrysanthemum ester and Hostathion all more than 100, show that two kinds of composite reagents have remarkable synergistic effect (table 1) by the composite co-toxicity coefficient to small brown rice planthopper, rice leaf roller, striped rice borer and paddy stem borer of five proportionings.
The composite co-toxicity coefficient of the different proportionings of table 1 ether chrysanthemum ester to insect with Hostathion.
The preparation of field trial medicament: take by weighing a certain amount of ether chrysanthemum ester and the former medicine of Hostathion, quantitatively be dissolved in third cave and the toluene respectively, be mixed with 30% ether chrysanthemum ester solution and 30% Hostathion solution; After pressing different proportion again the two being mixed, add cumulative volume 5～15% farming breasts 3208, abundant mixing promptly is mixed with the composite agent emulsifiable solution of different proportionings and content.
Field trial shows (table 2), mu is with composite dose of effective ingredient ether chrysanthemum ester 5 gram+Hostathions 15 grams (1: 3), after dispenser l days, preventive effect to small brown rice planthopper, striped rice borer and paddy stem borer all is significantly higher than the preventive effect of mu with ether chrysanthemum ester 8 grams, preventive effect to the vertical volume of rice snout moth's larva is got rid of ether chrysanthemum ester 8 grams quite with mu, the composite dose of preventive effect to small brown rice planthopper and rice leaf roller also is significantly higher than the preventive effect of mu with Hostathion 15 grams, and the preventive effect of striped rice borer and paddy stem borer is then used Hostathion 15 grams quite with mu; Behind medicine 7 days, composite dose of preventive effect to four kinds of controlling objects all was significantly higher than mu and gets rid of ether chrysanthemum ester 8 grams or the mu preventive effect with Hostathion 15 grams.Mu is with composite dose of ether chrysanthemum ester 8 gram+Hostathions 8 grams (1: 1), after dispenser 1 day, insecticidal effect to small brown rice planthopper, rice leaf roller, paddy stem borer and striped rice borer all is significantly higher than the preventive effect of mu with ether chrysanthemum ester 8 grams, it is suitable with the effect of Hostathion 15 grams that the effect of small brown rice planthopper and rice leaf roller also is significantly higher than mu, then suitable with the effect of Hostathion 15 grams with mu to the effect of paddy stem borer and striped rice borer; Behind the medicine 7 days, the composite dose of effect to above-mentioned four kinds of controlling objects all was significantly higher than the same period effect of mu with ether chrysanthemum ester 8 grams or Hostathion 15 grams.
Table 2 ether chrysanthemum ester and Triazoxide as built-up are to the field control effect (%) of insect
In the table after the data mark identical capital and small letter rare mother stock be not illustrated on 1% and 5% level and do not have significant difference, down with.
Embodiment 2: ether chrysanthemum ester and chlorpyrifos mixture agent
The preparation of medicament is measured in synergy: ether chrysanthemum ester and the former medicine of chlopyrifos are mixed than 1: 7,1: 5,1: 3,1: 1 and 2: 1 by effective ingredient respectively, after fully dissolving with acetone, add Triton100, and then be diluted with water to the soup of a series of concentration.The result that synergy is measured shows, ether chrysanthemum clarified butter and chlopyrifos all more than 100, show that two kinds of composite reagents have remarkable synergistic effect (table 3) by the composite co-toxicity coefficient to small brown rice planthopper, rice leaf roller, striped rice borer and paddy stem borer of five proportionings.
The composite co-toxicity coefficient of the different proportionings of table 3 ether chrysanthemum ester to insect with chlopyrifos
The preparation of field trial medicament: take by weighing a certain amount of ether chrysanthemum ester and the former medicine of chlopyrifos, quantitatively be dissolved in acetone and the dimethylbenzene respectively, be mixed with 30% ether chrysanthemum ester solution and 40% chlopyrifos solution; After pressing different proportion again the two being mixed, add cumulative volume 5～10% farming breasts 0201, abundant mixing promptly is mixed with the composite agent emulsifiable solution of different proportionings and content.
Field trial shows (table 4), mu is with composite dose of effective ingredient ether chrysanthemum ester 5 gram+chlopyrifos 15 grams (1: 3), after dispenser 1 day, preventive effect to small brown rice planthopper, the vertical volume of rice snout moth's larva, striped rice borer and paddy stem borer all is significantly higher than the preventive effect of mu with ether chrysanthemum ester 8 grams, the composite dose of preventive effect to small brown rice planthopper and rice leaf roller also is significantly higher than the preventive effect of mu with chlopyrifos 15 grams, and the preventive effect of striped rice borer and paddy stem borer is then used chlopyrifos 15 grams quite with mu; Behind medicine 7 days, composite dose of preventive effect to four kinds of controlling objects all was significantly higher than mu with ether chrysanthemum ester 8 grams or the mu preventive effect with chlopyrifos 15 grams.Mu is with composite dose of ether chrysanthemum ester 8 gram+chlopyrifos 8 grams (1: 1), after dispenser 1 day, insecticidal effect to small brown rice planthopper, rice leaf roller, paddy stem borer and striped rice borer all is significantly higher than the preventive effect of mu with ether chrysanthemum ester 8 grams, small brown rice planthopper and rice leaf roller rhythm effect also are significantly higher than the effect of mu with chlopyrifos 15 grams, then suitable with the effect of chlopyrifos 15 grams to the effect of paddy stem borer and striped rice borer with mu; Behind the medicine 7 days, the composite dose of effect to above-mentioned four kinds of controlling objects all was significantly higher than the same period effect of mu with ether chrysanthemum ester 8 grams or chlopyrifos 15 grams.
Table 4 ether chrysanthemum ester and chlorpyrifos mixture are to the field control effect (%) of insect
Embodiment 3: composite dose of ether chrysanthemum ester and basudin (diazinon)
The preparation of medicament is measured in synergy: ether chrysanthemum ester and the former medicine of basudin are mixed than 1: 8,1: 4,1: 2,1: 1 and 2: 1 by effective ingredient respectively, after fully dissolving with acetone, add Triton100, and then be diluted with water to the soup of a series of concentration.
The result that synergy is measured shows, ether chrysanthemum ester and basudin all more than 100, show that two kinds of composite reagents have remarkable synergistic effect (table 5) by the composite co-toxicity coefficient to small brown rice planthopper, rice leaf roller, striped rice borer and paddy stem borer of five proportionings.
The composite co-toxicity coefficient of the different proportionings of table 5 ether chrysanthemum ester to insect with basudin
The preparation of field trial medicament: take by weighing a certain amount of ether chrysanthemum ester and the former medicine of basudin, quantitatively be dissolved in acetone and the toluene respectively, be mixed with 30% ether chrysanthemum and turn over solution and 50% basudin solution; After pressing different proportion again the two being mixed, add cumulative volume 5～10% farming breasts 0204, abundant mixing promptly is mixed with the composite agent emulsifiable solution of different proportionings and content.
Field trial shows (table 6), mu is with composite dose of effective ingredient ether chrysanthemum ester 5 gram+basudin 20 grams (1: 4), after dispenser 1 day and 7 days, the preventive effect of small brown rice planthopper, the vertical volume of rice snout moth's larva, striped rice borer and paddy stem borer all is significantly higher than mu with the preventive effect of ether chrysanthemum ester 8 grams or the mu preventive effect with basudin 20 grams.Mu is with composite dose of ether chrysanthemum ester 8 gram+basudin 10 grams (1: 1.25), after dispenser 1 day and 7 days, the insecticidal effect of small brown rice planthopper, rice leaf roller, paddy stem borer and striped rice borer also all is significantly higher than mu with the preventive effect of ether chrysanthemum ester 8 grams or the effect same period of basudin 20 grams.
The composite field control effect (%) of table 6 ether chrysanthemum ester and basudin to insect
Claims (3)
1. a class contains the composite insecticide of ether chrysanthemum ester, it is characterized in that it by ether chrysanthemum ester respectively with Hostathion, chlopyrifos and basudin in any and emulsifier and solvent composition, use 100 gram finished medicines to calculate by every mu, the percentage by weight of each component is in the finished medicines: ether chrysanthemum ester 0.5～20%, Hostathion 2～30% or chlopyrifos 2～50% or basudin 2～50%, emulsifier 5～15%, all the other are solvent.
2. the composite insecticide that contains ether chrysanthemum ester according to claim 1 is characterized in that emulsifier is farming breast 0201,0204,3208, Triton-100.
3. the composite insecticide that contains ether chrysanthemum ester according to claim 1 is characterized in that solvent is acetone, dimethylbenzene, toluene or its mixture.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100967299A CN100379342C (en) | 2006-10-12 | 2006-10-12 | Composite pesticide of one class preventing and control rice pests |
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| CNB2006100967299A CN100379342C (en) | 2006-10-12 | 2006-10-12 | Composite pesticide of one class preventing and control rice pests |
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| CN1943357A CN1943357A (en) | 2007-04-11 |
| CN100379342C true CN100379342C (en) | 2008-04-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102150684A (en) * | 2011-02-23 | 2011-08-17 | 广西田园生化股份有限公司 | Ultralow-volume liquid containing ethofenprox |
| CN104642371A (en) * | 2015-02-03 | 2015-05-27 | 刘晓 | Rice pesticide |
| CN105557769A (en) * | 2016-01-29 | 2016-05-11 | 卞佳林 | Rice chilo suppressalis pesticide and preparation method thereof |
| CN106689190A (en) * | 2016-12-27 | 2017-05-24 | 浙江新农化工股份有限公司 | Insecticidal composition containing chlorpyrifos-methyl and etofenprox as well as preparation and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1229791A2 (en) * | 1999-11-09 | 2002-08-14 | Bayer Aktiengesellschaft | Active ingredient combination having insecticidal and acaricidal characteristics |
| CN1528143A (en) * | 2003-09-26 | 2004-09-15 | 湖南化工研究院 | Composition containing non-fatty oxime ether pyrethrin insecticide |
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- 2006-10-12 CN CNB2006100967299A patent/CN100379342C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1229791A2 (en) * | 1999-11-09 | 2002-08-14 | Bayer Aktiengesellschaft | Active ingredient combination having insecticidal and acaricidal characteristics |
| CN1528143A (en) * | 2003-09-26 | 2004-09-15 | 湖南化工研究院 | Composition containing non-fatty oxime ether pyrethrin insecticide |
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| CN1943357A (en) | 2007-04-11 |
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