CN101077071A - Insecticidal composition for preventing and controlling plant hopper - Google Patents
Insecticidal composition for preventing and controlling plant hopper Download PDFInfo
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- CN101077071A CN101077071A CN 200710024601 CN200710024601A CN101077071A CN 101077071 A CN101077071 A CN 101077071A CN 200710024601 CN200710024601 CN 200710024601 CN 200710024601 A CN200710024601 A CN 200710024601A CN 101077071 A CN101077071 A CN 101077071A
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- buprofezin
- preventing
- pesticidal combination
- pyrrole aphid
- aphid ketone
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Abstract
The present invention discloses one kind of pesticide composition for preventing and killing plant hopper. The pesticide composition consists of pymetrozine 0.5-25 wt%, buprofezin 0.5-25 wt%, assistant 5-25 wt%, and stuffing 25- 94 wt%. The stuffing may be bentonite, fine particle calcium carbonate, kaolin, silica white or water; and the assistant may be starch, PVA, lignin sulfonate, etc. The pesticide composition of the present invention has the advantages of fast acting, lasting action, less influence on environment and low cost.
Description
Technical field
The invention belongs to insect chemical control technical field, be specifically related to a kind of Pesticidal combination of preventing and treating rice fulgorid.
Background technology
The long-term cultivated area of rice in China is about 2,700 ten thousand hectares, water rice hopper is an insect pest of rice, comprise brown planthopper Nilaparvata lugens Stal and small brown rice planthopper Laodelphax striatellus Fallen, draw paddy rice juice by sucking mouth parts and cause harm that viral disease also spreads disease.In recent years, harm runs wild rice fulgorid in the paddy rice major production areas, and the Rice Production loss is huge.For a long time, the control of rice fulgorid mainly relies on medicaments such as Imidacloprid, dichlorvos, and wherein the Imidacloprid resistance is serious, and the dichlorvos lasting period is very short, and prevent and treat preferably price height such as pesticide species such as fluorine worm nitrile, chlopyrifos, pyrrole aphid ketone or lasting effect poor.
Summary of the invention
The objective of the invention is to: a kind of Pesticidal combination of preventing and treating rice fulgorid is provided, and this Pesticidal combination quick-acting is good, efficiency time is long, and little to the environmental organism influence, pesticide cost is lower.
Technical solution of the present invention is: this Pesticidal combination adds auxiliary agent by pyrrole aphid ketone, Buprofezin and filler is formed, wherein, and pyrrole aphid ketone 0.5-25%, Buprofezin 0.5-25%, auxiliary agent 5-25%, filler 25-94%, each component percentage by weight sum equals one of percentage hundred; Described filler is bentonite, fine particle calcium carbonate, kaolin, white carbon or water; Described auxiliary agent is starch, polyvinyl alcohol, lignosulfonates, alkylphenol polyoxyethylene calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene amido sodium salt, polyoxyethylene nonylphenol ether, azone, NNO, draws back powder or spent pulping liquor.
Pesticidal combination of the present invention is made wetting powder or suspending agent according to conventional method, and formulation rate is 4-10g.a.i/667m
2..
Pyrrole aphid ketone, have another name called pyrazine ketone (pymetrozine), chemical name: 4,5-dihydro-6-methyl-4-(3-pyridine methylene amino)-1,2,4-3 (2H)-ketone, pyrrole aphid ketone is a kind of be specifically designed to control sucking pest such as aphid, trialeurodes vaporariorum, rice leafhopper, the insecticide of small brown rice planthopper etc., crops have been widely used in abroad, vegetables, ornamental plants, cotton, hop, fruit tree, citrus and paddy rice etc., this insecticide has the selectivity of height to insect, to the people, the mammal low toxicity, to birds, fish, non-target arthropods safety, pyrrole aphid ketone has unique mode of action to insect, and it is different with conventional insecticide, be to stop the insect of sucking mouth parts that lancet is inserted plant tissue to make it hungry and dead on physiology, good to water rice hopper quick-acting.
Buprofezin (buprofezin), chemical name: 2-Te-Ding imido grpup-3-isopropyl-5-phenyl-3,4,5,6-tetrahydrochysene-2H-1,3,5-thiadiazine-4-ketone, a kind of selective insecticide that suppresses the insect growth growth, action of contace poison is strong, and stomach poison function is also arranged, mechanism of action is for suppressing the synthetic and interference metabolism of insect chitin, cause cast off a skin deformity or wing deformity and slowly dead of nymph, just can find out effect in 3-7 days after the general dispenser, adult is not had direct killing power, but can shorten its life-span, reduce egg laying amount, and output be mostly addle-egg, even the also very fast death of larva hatching, double wing purpose plant hopper, leafhopper, aleyrodid and scale insect class pest have good control efficiency, the drug effect phase reached more than 30 days, and is safer to natural enemy, and comprehensive effect is good.
Pesticidal combination of the present invention has following beneficial effect: (1) is by the Physical Property Analysis to pyrrole aphid ketone and Buprofezin, utilize the characteristics that pyrrole aphid ketone quick-acting is good and the Buprofezin lasting period is long, both are compound according to a certain ratio, compare with single agent, present composition high-efficiency low-toxicity, synergy is obvious, has significantly improved control efficiency; (2) suppressed the pesticide resistance of rice fulgorid to single medicament; (3) have quick-acting and long characteristics of holding effect concurrently, can control rapidly and cause harm, the lasting period reached more than 20 days, reduced medicine basis and cost; (4) compare with single agent pyrrole aphid ketone, composition has reduced application cost significantly; (5) dosage is few, and low toxicity reduces residue of pesticide in rice, the aquatic products, and is environmentally friendly.
Embodiment
The present invention further specifies with the following example, but does not limit the present invention.
Embodiment 1:25.5% wetting powder
Buprofezin 0.5%
Pyrrole aphid ketone 25%
Calcium dodecyl benzene sulfonate 2%
Alkylphenol polyoxyethylene 3%
White carbon 2%
Fine particle calcium carbonate to 100%
Behind Buprofezin and pyrrole aphid ketone and the auxiliary agent process cracker meal, in mixing kettle, fully mix, be ground into wetting powder through airslide disintegrating mill with inserts.
Embodiment 2:26% suspending agent
Buprofezin 1%
Pyrrole aphid ketone 25%
NNO 4％
OP-10 5％
Lignosulfonates 5%
Polyvinyl alcohol 5%
Water to 100%
Embodiment 3:25% wetting powder
Buprofezin 15%
Pyrrole aphid ketone 10%
Polyoxyethylene nonylphenol ether 12%
Azone 2%
Fine particle calcium carbonate to 100%
Behind Buprofezin and pyrrole aphid ketone and the auxiliary agent process cracker meal, in mixing kettle, fully mix, be ground into wetting powder through airslide disintegrating mill with inserts.
Embodiment 4:30% suspending agent
Buprofezin 15%
Pyrrole aphid ketone 15%
Azone 3%
Draw back powder 6%
Lignosulfonates 12%
Polyvinyl alcohol 3%
Water to 100%
Embodiment 5:30% wetting powder
Buprofezin 15%
Pyrrole aphid ketone 15%
Lignosulfonates 5%
Alkylphenol polyoxyethylene amido sodium salt 7%
White carbon 3%
Kaolin to 100%
Behind Buprofezin and pyrrole aphid ketone and the auxiliary agent process cracker meal, in mixing kettle, fully mix, be ground into wetting powder through airslide disintegrating mill with inserts.
Embodiment 6:50% suspending agent
Buprofezin 25%
Pyrrole aphid ketone 25%
Calcium lignosulfonate 8%
Alkyl phenol polyvinylether amido sodium salt 8%
Spent pulping liquor 5%
Polyvinyl alcohol 2%
Water to 100%
After Buprofezin and pyrrole aphid ketone and auxiliary agent and the stirring of water process agitator, grind to form suspending agent through ball mill and sand mill according to the order of sequence respectively.
Assay method: the method that adopts indoor bioassay and field medicine effect test to combine, at first draw composite dose of co-toxicity coefficient of different proportion to rice fulgorid by biologicall test, determine prescription and consumption by clear and definite its control efficiency of field trial again.
For the examination insect: the synergistic effect in composite dose between two kinds of single agent components is measured, and used rice fulgorid is the brown planthopper and the small brown rice planthopper nymph in 3 age of indoor feeding; The worm source of field trial is the abiogenous rice fulgorid of paddy field.
Reagent agent: the new Saden chemical industry in Chizhou City, Buprofezin Anhui Province Co., Ltd produces, and pyrrole aphid ketone Jiangsu Anpon Electrochemical Co., Ltd. produces.
Indoor synergy biologicall test: take by weighing a certain amount of Buprofezin and the former medicine of pyrrole aphid ketone, add calcium lignosulfonate 6% respectively, white carbon 2%, precipitated calcium carbonate is supplied, make 15% Buprofezin wetting powder list agent and 15% pyrrole aphid ketone wetting powder list agent through miniature airslide disintegrating mill pulverizing, two kinds of single agent are mixed into by a certain percentage two yuan composite dose of different proportionings, concrete ratio is seen embodiment, water with each composite dose be diluted to respectively a series of concentration for reagent liquid, with clear water as blank; Rice fulgorid is adopted and soaks seedling method mensuration, and rice seedling soaks in soup after 1 second and takes out, and places earlier to inhale on the blotting paper and removes residual liquor, inserts rice fulgorid again, and 24h, 48h, 72h investigate dead borer population respectively after immersion liquid, calculate the virulence and the co-toxicity coefficient of two kinds of medicaments; The result of indoor synergy biologicall test shows Buprofezin and pyrrole aphid ketone by effective ingredient 4: 1,3: 2,1: 1,2: 3,1: 4, and the co-toxicity coefficient of brown planthopper is respectively 128,137,158,172,184; Co-toxicity coefficient to small brown rice planthopper is respectively 121,142,178,185,179; Show that Buprofezin and pyrrole aphid ketone have significant synergistic insecticidal action by the composite back of effective content to rice fulgorid.
Field control effectiveness test: establish 6 processing altogether, reagent agent is 25% Buprofezin pyrrole aphid ketone wetting powder, 20 grams, 30 grams, the 40 gram/667m of embodiment 3
2, the contrast medicament is 25% Buprofezin wetting powder (WP), 40 gram/667m
2, 25% pyrrole aphid ketone wetting powder (WP), 20 gram/667m
2, one of blank; Rice fulgorid low age nymph with single agent and or composite dose by every 667m
2Consumption is to 50 kilograms in water, even spraying, every sub-district 25m
2, each handle to repeat 3 sub-districts, investigates residual borer population respectively at 1 day, 7 days, 15 days, calculates the control efficiency and the significance of difference, and investigation simultaneously has or not symptom of chemical damage for studying thing, determines the safety of medicament; Following table is the field insecticidal effect of pyrrole aphid ketone, Buprofezin and composite dose of control rice fulgorid thereof
| Handle | Dosage g/667m 2 | The preventive effect of rice fulgorid (%) | ||
| Behind the medicine 1 day | Behind the medicine 7 days | Behind the medicine 15 days | ||
| 25% Buprofezin pyrrole aphid ketone wp (embodiment 3) | 20 | 86.26bB | 87.45bB | 90.34abAB |
| 30 | 91.34aAB | 90.89abAB | 93.45aA | |
| 40 | 93.66aA | 92.77aA | 95.16aA | |
| 25% Buprofezin wp | 40 | 36.42cC | 83.27cC | 85.43bB |
| 25% pyrrole aphid ketone wp | 20 | 92.10aA | 87.76bB | 83.82bB |
Annotate: a is illustrated on 0.05 level remarkable, and b is illustrated on 0.05 level variant, and c is illustrated on 0.05 level not remarkable; A is illustrated on 0.01 level remarkable, and B is illustrated on 0.01 level variant, and C is illustrated on 0.01 level not remarkable.
The result shows for last table: that 1 day preventive effect is best behind the medicine is 25% Buprofezin pyrrole aphid ketone WP (40g/ mu), preventive effect is 93.66%, next is 25% pyrrole aphid ketone WP, preventive effect is 92.10%, that preventive effect is the poorest is 25% Buprofezin WP, only be 33.10%, 3 processing of reagent agent are apparently higher than contrast medicament 25% Buprofezin WP; That 7 days preventive effects are best behind the medicine is 25% Buprofezin pyrrole aphid ketone WP (40g/ mu), preventive effect is 92.77%, next is 25% Buprofezin pyrrole aphid ketone WP (30g/ mu), preventive effect is 90.89%, the 25% Buprofezin WP that preventive effect is the poorest to be, preventive effect is 83.27%, and 3 processing of reagent agent are apparently higher than contrast medicament 25% Buprofezin WP; That 15 days preventive effects are best behind the medicine is 25% Buprofezin pyrrole aphid ketone WP (40g/ mu), preventive effect is 95.16%, next is 25% Buprofezin pyrrole aphid ketone WP (30g/ mu), preventive effect is 93.45%, the 25% pyrrole aphid ketone WP that preventive effect is the poorest to be, preventive effect is 83.82%, and 3 processing of reagent agent are apparently higher than contrast medicament 25% pyrrole aphid ketone WP; Test shows that the drug effect of Buprofezin is slow, is mixed with pyrrole aphid ketone, can significantly improve its quick-acting; The lasting period of pyrrole aphid ketone is shorter, can improve its lasting period after being mixed with Buprofezin, and 25% Buprofezin and pymetrozine composition have good quick-acting and lasting effect; Duration of test is observed, and paddy rice does not have any symptom of chemical damage, and test medicine is to rice safety.
Claims (4)
1, a kind of Pesticidal combination of preventing and treating rice fulgorid, it is characterized in that: this Pesticidal combination adds auxiliary agent by pyrrole aphid ketone, Buprofezin and filler is formed, wherein, pyrrole aphid ketone 0.5-25%, Buprofezin 0.5-25%, auxiliary agent 5-25%, filler 25-94%, each weight percentages of components sum equals one of percentage hundred.
2, a kind of Pesticidal combination of preventing and treating rice fulgorid according to claim 1 is characterized in that: described filler is bentonite, fine particle calcium carbonate, high Qian soil, white carbon or water.
3, a kind of Pesticidal combination of preventing and treating rice fulgorid according to claim 1 is characterized in that: described auxiliary agent is starch, polyvinyl alcohol, lignosulfonates, alkylphenol polyoxyethylene calcium dodecyl benzene sulfonate, alkylphenol polyoxyethylene, polyoxyethylene nonylphenol ether, azone, NNO, draws back powder or spent pulping liquor.
4, a kind of Pesticidal combination of preventing and treating rice fulgorid according to claim 1, it is characterized in that: this Pesticidal combination is made wetting powder or suspending agent according to conventional method, and formulation rate is 4-10g a.i./667m
2..
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| CNB2007100246016A CN100571514C (en) | 2007-06-14 | 2007-06-14 | A kind of Pesticidal combination of preventing and treating rice fulgorid |
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|---|---|---|---|
| CNB2007100246016A CN100571514C (en) | 2007-06-14 | 2007-06-14 | A kind of Pesticidal combination of preventing and treating rice fulgorid |
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| Publication Number | Publication Date |
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| CN101077071A true CN101077071A (en) | 2007-11-28 |
| CN100571514C CN100571514C (en) | 2009-12-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102972415A (en) * | 2012-12-24 | 2013-03-20 | 海利尔药业集团股份有限公司 | Insecticidal and acaricidal composition containing buprofezin and cyflumetofen |
| CN103098799A (en) * | 2013-02-02 | 2013-05-15 | 广东中迅农科股份有限公司 | Pymetrozine-azone suspension emulsion and preparation method thereof |
| CN103444773A (en) * | 2013-09-18 | 2013-12-18 | 句容市植保植检站 | Pesticide composition containing chlorpyrifos and application of pesticide composition |
| CN103651342A (en) * | 2012-08-31 | 2014-03-26 | 江苏长青农化股份有限公司 | Wettable powder with buprofezin content being 25 percent |
-
2007
- 2007-06-14 CN CNB2007100246016A patent/CN100571514C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103651342A (en) * | 2012-08-31 | 2014-03-26 | 江苏长青农化股份有限公司 | Wettable powder with buprofezin content being 25 percent |
| CN102972415A (en) * | 2012-12-24 | 2013-03-20 | 海利尔药业集团股份有限公司 | Insecticidal and acaricidal composition containing buprofezin and cyflumetofen |
| CN103098799A (en) * | 2013-02-02 | 2013-05-15 | 广东中迅农科股份有限公司 | Pymetrozine-azone suspension emulsion and preparation method thereof |
| CN103098799B (en) * | 2013-02-02 | 2016-08-03 | 广东中迅农科股份有限公司 | Pymetrozine and azone suspended emulsion and preparation method thereof |
| CN103444773A (en) * | 2013-09-18 | 2013-12-18 | 句容市植保植检站 | Pesticide composition containing chlorpyrifos and application of pesticide composition |
| CN103444773B (en) * | 2013-09-18 | 2015-10-14 | 句容市植保植检站 | A kind of composition pesticide of containing chlopyrifos and application thereof |
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| Publication number | Publication date |
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| CN100571514C (en) | 2009-12-23 |
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Granted publication date: 20091223 Termination date: 20110614 |