CN102057936A - Nitenpyram and indoxacarb compound agricultural pesticide - Google Patents
Nitenpyram and indoxacarb compound agricultural pesticide Download PDFInfo
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- CN102057936A CN102057936A CN2011100227810A CN201110022781A CN102057936A CN 102057936 A CN102057936 A CN 102057936A CN 2011100227810 A CN2011100227810 A CN 2011100227810A CN 201110022781 A CN201110022781 A CN 201110022781A CN 102057936 A CN102057936 A CN 102057936A
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- worm prestige
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Abstract
The invention relates to a nitenpyram and indoxacarb compound agricultural pesticide, which belongs to the technical field of compound agricultural pesticides and comprises the following substances in percentage by weight: 1.5-2.5% of nitenpyram and 1.5-2.5% of indoxacarb. The co-toxicity coefficient of the compound agricultural pesticide to paddy nilaparvata lugens is greater than 120 and has an obvious synergistic effect due to the compounding of the nitenpyram and indoxacarb and has preferable control efficiency on homoptera and lepidoptera injurious insects such as paddy nilaparvata lugens. The compound agricultural pesticide has the advantages of low toxicity, wider insecticidal spectrum, good quick action and persistence and low production cost.
Description
Technical field
The invention belongs to technical field of compounded pesticide, be specially Nitenpyram and indenes worm prestige Recompounded pesticide.
Background technology
Paddy rice is the principal item in China cereal crops, and cultivated area is big, and disease, worm, crop smothering kind are many, and harm is heavy.According to agricultural sector statistics, every year due to illness, harm such as worm, grass, production loss reaches 20～30%.The employed agricultural chemicals quantity of disease, worm, crop smothering on the control paddy rice accounts for about 50% of China's agricultural chemicals year usage amount.Area is controlled to the medicine of rice grub in the whole nation, and about 1,200,000,000 mu, insect outbreak year medicine is controlled area can be bigger throughout the year.
The pesticide species of control paddy rice primary pest as the control rice leaf roller, for many years, uses the desinsection list, and chlopyrifos is more, nearly 3～5 years, uses medicaments such as Avermectin, Affirm (Merck Co.) hydrochloride.Large area control to rice leaf roller has reached good effect, but owing to develop immunity to drugs after using for many years, control efficiency descends year by year, in recent years introduce medicaments such as indenes worm prestige that du pont company produces, Rynaxypyr, lepidoptera pest on the control paddy rice, dosage is few, and preventive effect is good, but pesticide price height, large tracts of land are promoted the use of certain difficulty is also arranged.And for example prevent and treat the rice fulgorid class pest, since the nineties in last century, used Buprofezin (claiming buprofezin again), agricultural chemicals such as Imidacloprid are got the control of national rice fulgorid and to have been gone bigger achievement.But since this century, agricultural chemicals such as Imidacloprid have produced stronger pesticide resistance to brown planthopper, and control efficiency descends.So that medicament exploitation the becoming task of top priority of control rice fulgorid.
In China paddy rice producing region, especially the rice district paddy growth middle and later periods on the south the Yangtze river basin, lepidoptera pest such as snout moth's larva, rice leaf roller and homoptera pest such as rice fulgorid class are mixed and are sent out often.Especially rice leaf roller and brown planthopper become the primary pest of paddy rice middle and later periods.When selecting pesticide species, consider the double former medicine kind of controlling effect, can receive that just preventive effect is good, reach saving of labor, economical purpose again.For this reason, some obligate insecticides are carried out composite, enlarging insecticidal spectrum just has this purpose.
Summary of the invention
At the above-mentioned problems in the prior art, the objective of the invention is to design provides the wider Nitenpyram of a kind of low toxicity, insecticidal spectrum and the technical scheme of indenes worm prestige Recompounded pesticide, its quick-acting and lasting effect are good, and paddy rice lepidoptera pest and homoptera pest are had better control efficiency.
Described Nitenpyram and indenes worm prestige Recompounded pesticide is characterized in that containing the following material of weight percentage: Nitenpyram 1.5～2.5%, indenes worm prestige 1.5～2.5%.
Described Nitenpyram and indenes worm prestige Recompounded pesticide, it is characterized in that: Nitenpyram content is 1.6～2.2%, indenes worm prestige content is 1.6～2.2%.
Described Nitenpyram and indenes worm prestige Recompounded pesticide, it is characterized in that: Nitenpyram content is 1.8～2.0%, indenes worm prestige content is 1.8～2.0%.
Nitenpyram (Nitenpyram) is an anabasine insecticide, and low toxicity, good water solubility, desinsection principle mainly are that insect cynapse acceptor is had the nerve block effect.To homoptera pest such as rice fulgorid have efficiently, low toxicity, interior suction and do not have advantages such as cross resistance.
Indenes worm prestige, English common name (Indoxacarb) has another name called safety hit, An Guan, Ammate, Vatar.To the little poison of higher mammal, fool proof to people, animal, fool proof to birds and aquatile.The insecticidal mechanism of indenes worm prestige is the sodium channel inhibitor, and the main sodium channel of passing through in the blocking-up insect nerve cell makes the coordination of target pest impaired, numb fraud occurs, final causing death.
Described Nitenpyram and indenes worm prestige Recompounded pesticide according to its purposes, can be processed multiple formulation, as aqueous emulsion, are made by former medicine adding solvent, emulsifier; Also can make water dispersant, add bleeding agent, diffusant, wetting agent, binding agent, filler etc. by former medicine and make.The production technology that specifically is mixed and usual auxiliaries all belong to existing known technology, do not repeat them here.
Above-mentioned Nitenpyram and indenes worm prestige Recompounded pesticide, greater than 120, both are composite to have obvious synergistic effect, and homoptera pests such as paddy rice brown planthopper and lepidoptera pest are had better control efficiency to the co-toxicity coefficient of paddy rice brown planthopper.This Recompounded pesticide low toxicity, insecticidal spectrum are wider, and quick-acting and lasting effect are good, and production cost is low.
Proportioning in the present patent application is the weight percentage of the pure material of active ingredient.
Embodiment
Below the invention will be further described by specific embodiment, and further specify beneficial effect of the present invention in conjunction with corresponding test.
Prescription one: Nitenpyram 1.6%, indenes worm prestige 2.4%.
Prescription two: Nitenpyram 1.8%, indenes worm prestige 2.2%.
Prescription three: Nitenpyram 2.0%, indenes worm prestige 2.0%.
Prescription four: Nitenpyram 2.2%, indenes worm prestige 1.8%.
Prescription five: Nitenpyram 2.4%, indenes worm prestige 1.6%.
Test one. above-mentioned Recompounded pesticide is to the proportioning screening of paddy rice brown planthopper.
1. reagent agent:
1.1 test medicine: the former medicine of 95% Nitenpyram is provided by the fluffy biological medicine company in capital, Shandong limited company, and the former medicine of 92% indenes worm prestige is made into 4% Nitenpyram indenes worm prestige mixed agent certainly by du pont company production.
1.2 medicament preparation: adopt clear water to make solvent, be mixed with 2% indoxacarb aqueous emulsion and 5.0% Nitenpyram aqua.
1.3 blank (CK): adopt clear water to do blank.
2. proportion design:
1) Nitenpyram
2) indenes worm prestige
3) 4% Nitenpyram indenes worm prestige mixture (prescription 1) ratio 1:1.5
4) 4% Nitenpyram indenes worm prestige mixture (prescription 2) ratio 1:1.2
5) 4% Nitenpyram indenes worm prestige mixture (prescription 3) ratio 1:1.0
6) 4% Nitenpyram indenes worm prestige mixture (prescription 4) ratio 1:0.8
7) 4% Nitenpyram indenes worm prestige mixture (prescription 5) ratio 1:0.6
3. for the examination insect: brown planthopper 3～4 instar larvaes;
4. test method:, adopt the seedling method of soaking with reference to the agricultural industry criteria NY/T1154.7-2006 of the People's Republic of China (PRC).
5. The selection result sees Table 1-8.
Table 1 Nitenpyram is to the test of pesticide effectiveness of brown planthopper 3-4 nymph in age table as a result
| Dosage (mg/L) | The examination borer population | Dead borer population | Lethality (%) |
| 20.0000 | 76 | 74 | 97.4 |
| 10.0000 | 98 | 84 | 85.7 |
| 5.0000 | 102 | 80 | 78.4 |
| 2.5000 | 80 | 46 | 57.5 |
| 1.2500 | 92 | 34 | 37.0 |
| 0.6250 | 72 | 22 | 30.6 |
| CK | 80 | 8 | 10.0 |
Table 2 indenes worm prestige is to the test of pesticide effectiveness of brown planthopper 3-4 nymph in age table as a result
| Dosage (mg/L) | The examination borer population | Dead borer population | Lethality (%) |
| 50.0000 | 96 | 68 | 70.8 |
| 25.0000 | 90 | 52 | 57.8 |
| 12.5000 | 82 | 40 | 48.8 |
| 6.2500 | 86 | 34 | 39.5 |
| 3.1250 | 66 | 18 | 27.3 |
| CK | 222 | 26 | 11.7 |
Table 3 Nitenpyram indenes worm prestige mixture (prescription 1) is to the test of pesticide effectiveness of brown planthopper 3-4 nymph in age table as a result
| Dosage (mg/L) | The examination borer population | Dead borer population | Lethality (%) |
| 40.0000 | 124 | 122 | 98.4 |
| 20.0000 | 72 | 64 | 88.9 |
| 10.0000 | 130 | 110 | 84.6 |
| 5.0000 | 88 | 60 | 68.2 |
| 2.5000 | 98 | 58 | 59.2 |
| CK | 222 | 26 | 11.7 |
Table 4 Nitenpyram indenes worm prestige mixture (prescription 2) is to the test of pesticide effectiveness of brown planthopper 3-4 nymph in age table as a result
| Dosage (mg/L) | The examination borer population | Dead borer population | Lethality (%) |
| 40.0000 | 150 | 150 | 100.0 |
| 20.0000 | 216 | 208 | 96.3 |
| 10.0000 | 164 | 128 | 78.0 |
| 5.0000 | 248 | 164 | 66.1 |
| 2.5000 | 174 | 94 | 54.0 |
| CK | 222 | 26 | 11.7 |
Table 5 Nitenpyram indenes worm prestige mixture (prescription 3) is to the test of pesticide effectiveness of brown planthopper 3-4 nymph in age table as a result
| Dosage (mg/L) | The examination borer population | Dead borer population | Lethality (%) |
| 40.0000 | 204 | 204 | 100.0 |
| 20.0000 | 188 | 178 | 94.7 |
| 10.0000 | 230 | 188 | 81.7 |
| 5.0000 | 140 | 84 | 60.0 |
| 2.5000 | 152 | 82 | 53.9 |
| CK | 222 | 26 | 11.7 |
Table 6 Nitenpyram indenes worm prestige mixture (prescription 4) is to the test of pesticide effectiveness of brown planthopper 3-4 nymph in age table as a result
| Dosage (mg/L) | The examination borer population | Dead borer population | Lethality (%) |
| 40.0000 | 184 | 184 | 100.0 |
| 20.0000 | 168 | 164 | 97.6 |
| 10.0000 | 86 | 72 | 83.7 |
| 5.0000 | 116 | 84 | 72.4 |
| 2.5000 | 102 | 52 | 51.0 |
| CK | 222 | 26 | 11.7 |
Table 7 Nitenpyram indenes worm prestige mixture (prescription 5) is to the test of pesticide effectiveness of brown planthopper 3-4 nymph in age table as a result
| Dosage (mg/L) | The examination borer population | Dead borer population | Lethality (%) |
| 40.0000 | 106 | 106 | 100.0 |
| 20.0000 | 98 | 90 | 91.8 |
| 10.0000 | 92 | 78 | 84.8 |
| 5.0000 | 102 | 72 | 70.6 |
| 2.5000 | 100 | 54 | 54.0 |
| CK | 222 | 26 | 11.7 |
Table 8 Nitenpyram indenes worm prestige is to the toxicity test of brown planthopper 3-4 nymph in age table as a result
| Reagent and proportioning (%) | LC 50 | The toxicity regression line | 95% confidence interval | Co-toxicity coefficient |
| Nitenpyram | 2.1695 | y=4.4250+1.7095x | 1.7254?～2.6329 | ? |
| Indenes worm prestige | 20.0672 | y=3.6131+1.0648x | 14.6315?～31.1832 | ? |
| 4% Nitenpyram. indenes worm prestige mixture (prescription 1) | 2.4522 | y=4.4181+1.4938x | 1.4328?～3.4701 | 190.3 |
| 4% Nitenpyram. indenes worm prestige mixture (prescription 2) | 3.2486 | y=4.0066+1.9414x | 1.7032?～4.6743 | 121.2 |
| 4% Nitenpyram. indenes worm prestige mixture (prescription 3) | 3.4381 | y=3.9388+1.9880x | 2.6787?～4.1698 | 128.7 |
| 4% Nitenpyram. indenes worm prestige mixture (prescription 4) | 3.0829 | y=3.8904+2.2693x | 2.2307?～3.9025 | 176.0 |
| 4% Nitenpyram. indenes worm prestige mixture (prescription 5) | 2.8379 | y=4.1880+1.7924x | 1.8367～3.8101 | 188.3 |
The selection result shows: the co-toxicity coefficient of 5 proportionings of 4% Nitenpyram indenes worm prestige mixed agent is all greater than 120, reach 121.2-190.3, showing that both are composite has an obvious synergistic effect, can according to cure mainly, the double factors such as object and production cost of controlling consider to select optimization of C.
Test two. above-mentioned Recompounded pesticide is to the field control effectiveness test of paddy rice brown planthopper.Be the reliability of checking proportioning screening, in by the end of August, 2010-carried out 4% Nitenpyram indenes worm prestige mixed agent (prescription 3) field trial heading stage at hybrid rice (excellent No. one of middle Zhejiang) September.
1. field reagent kind and consumption:
(1) 4% Nitenpyram indenes worm prestige mixed agent (prescription 3) mu consumption 100 grams;
(2) 3% indoxacarb aqueous emulsion mu consumptions 80 grams;
(3) 5% Nitenpyram aqua mu consumptions 50 grams;
(4) blank.
2. method: adopt the field sub-district to be set, triplicate.Before medication, 7 days, 11 days employing dish bat methods behind the medicine are investigated hundred clumps of worms of brown planthopper adult, nymph and the spider of each sub-district and are measured.The brown planthopper insect population that calculated behind the medicine 7 days, 11 days go down rate, control efficiency and to the fragmentation effect of spider.
3. result of the test sees Table 9.
Result of the test shows: 4% Nitenpyram indenes worm prestige mixed agent (prescription 3) mu restrains with 100, and the insect population rate of going down of 7 days, 11 days brown planthoppers is respectively 75.7% and 82.1% behind the medicine, and control efficiency is respectively 81.1% and 86.1%.Compare with the contrast medicament, be higher than indenes worm prestige, be lower than the control efficiency of mu slightly with the Nitenpyram of 50 grams.Carry out the field control effectiveness test of paddy rice brown planthopper with prescription 1-2 and prescription 4-5, also can reach and the 3 similar test effects of filling a prescription.
Claims (3)
1. Nitenpyram and indenes worm prestige Recompounded pesticide is characterized in that containing the following material of weight percentage: Nitenpyram 1.5～2.5%, indenes worm prestige 1.5～2.5%.
2. Nitenpyram as claimed in claim 1 and indenes worm prestige Recompounded pesticide, it is characterized in that: Nitenpyram content is 1.6～2.2%, indenes worm prestige content is 1.6～2.2%.
3. Nitenpyram as claimed in claim 1 and indenes worm prestige Recompounded pesticide, it is characterized in that: Nitenpyram content is 1.8～2.0%, indenes worm prestige content is 1.8～2.0%.
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| CN 201110022781 CN102057936B (en) | 2011-01-20 | 2011-01-20 | Nitenpyram and indoxacarb compound agricultural pesticide |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626110A (en) * | 2012-03-20 | 2012-08-08 | 永农生物科学有限公司 | Indoxacarb-containing complex pesticide composition |
| CN104982452A (en) * | 2015-08-01 | 2015-10-21 | 华中农业大学 | Insecticidal composition containing nitenpyram and indoxacarb and preparation method of insecticidal composition |
| CN105123734A (en) * | 2015-08-01 | 2015-12-09 | 华中农业大学 | Preparation method of mixed insecticide composed of avermectin, nitenpyram, and indoxacarb |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2006069654A2 (en) * | 2004-12-24 | 2006-07-06 | Bayer Cropscience Ag | Insecticides based on selected neonicotinoids and strobilurins |
| CN101243798A (en) * | 2008-01-11 | 2008-08-20 | 湖南万家丰科技有限公司 | Insecticidal composition containing indoxacarb |
| CN101574085A (en) * | 2008-05-09 | 2009-11-11 | 上海杜邦农化有限公司 | Agricultural composition containing indoxacarb and imidacloprid and application thereof |
| CN101755804A (en) * | 2009-11-10 | 2010-06-30 | 深圳诺普信农化股份有限公司 | Indoxacarb-containing aqueous emulsion and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006069654A2 (en) * | 2004-12-24 | 2006-07-06 | Bayer Cropscience Ag | Insecticides based on selected neonicotinoids and strobilurins |
| CN101243798A (en) * | 2008-01-11 | 2008-08-20 | 湖南万家丰科技有限公司 | Insecticidal composition containing indoxacarb |
| CN101574085A (en) * | 2008-05-09 | 2009-11-11 | 上海杜邦农化有限公司 | Agricultural composition containing indoxacarb and imidacloprid and application thereof |
| CN101755804A (en) * | 2009-11-10 | 2010-06-30 | 深圳诺普信农化股份有限公司 | Indoxacarb-containing aqueous emulsion and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102626110A (en) * | 2012-03-20 | 2012-08-08 | 永农生物科学有限公司 | Indoxacarb-containing complex pesticide composition |
| CN102626110B (en) * | 2012-03-20 | 2014-07-02 | 永农生物科学有限公司 | Indoxacarb-containing complex pesticide composition |
| CN104982452A (en) * | 2015-08-01 | 2015-10-21 | 华中农业大学 | Insecticidal composition containing nitenpyram and indoxacarb and preparation method of insecticidal composition |
| CN105123734A (en) * | 2015-08-01 | 2015-12-09 | 华中农业大学 | Preparation method of mixed insecticide composed of avermectin, nitenpyram, and indoxacarb |
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