CN103444749B - Composite pesticide containing metaflumizone and cycloxaprid - Google Patents
Composite pesticide containing metaflumizone and cycloxaprid Download PDFInfo
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- CN103444749B CN103444749B CN201310454105.XA CN201310454105A CN103444749B CN 103444749 B CN103444749 B CN 103444749B CN 201310454105 A CN201310454105 A CN 201310454105A CN 103444749 B CN103444749 B CN 103444749B
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- cycloxaprid
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Abstract
The invention discloses a composite pesticide containing metaflumizone and cycloxaprid. The weight ratio of the metaflumizone to the cycloxaprid is 1:50-50:1. The composite pesticide further comprises an additive and a carrier, wherein the metaflumizone and the cycloxaprid occupy 5%-60% of the total weight of the pesticide, the additive occupies 5%-30% of the total weight of the pesticide, and the rest is the carrier. Through actual tests, the composite pesticide has obvious control efficiency on rice planthoppers and cnaphalocrocis medinalis. Compared with a conventional pesticide, the composite pesticide has the following advantages that the composite pesticide has the obvious effect on the rice planthoppers and the cnaphalocrocis medinalis, saves labor and effort, can replace parts of intermediately and highly toxic pesticides, reduce dosage and lower environment pollution and residuals in agricultural products, is long in lasting period, can reduce cost compared with the single pesticide, and is safe to crop, natural enemies and environment.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of insecticide preventing and treating rice fulgorid and leaf-roller.Background technology
Rice fulgorid is the rice grub that one is migrated very capable (except small brown rice planthopper), reproduction speed is exceedingly fast, paddy rice of causing harm causes rice clump base portion pitchy, ear abnormal, thousand kernel weight alleviates, time serious, complete stool withers, causing the paddy rice significantly underproduction, but also can cause stripe virus disease by transmitted virus, is the insect of paddy rice keypoint control.For a long time, the control of rice hoppers mainly relies on Imidacloprid, organic phosphor and built agent thereof, wherein high-toxic organic phosphorus agricultural chemicals prohibits the use, due to long-term single continuous use Imidacloprid, brown planthopper, small brown rice planthopper has produced obvious pesticide resistance to Imidacloprid, control efficiency sharply declines, especially 2006, brown planthopper in 2007, when the large generation of small brown rice planthopper, Imidacloprid mu consumption (effective content) brings up to 3 ~ 4 grams, control efficiency only 30 ~ 40%, serious loss is brought to Rice Production, therefore, research and development high-efficiency prevention and control brown planthopper, the pesticide species of small brown rice planthopper, become the task of top priority.
Rice leaf roller belongs to Lepidoptera Pyralidae, is the one of the paddy rice often property sent out insect pest.Rice plant of tillering stage is injured affects its normal growth; Middle and later periods is injured, and affects output more obvious, and particularly sword-like leave is injured the later stage, and cause not plump paddy rate to increase, loss seriously.Adult is hidden by day and come out at night, and has light, becomes green and characteristic of trooping.Ovum is loose to be originated on blade, and be many with blade back usually, newly hatched larvae is climbed to blade tip leaf roll and taken food, and slightly large larva then pierces on the interior or blade face of the leaf heart, leaf sheath and stings food mesophyll, and weaves silk the both sides of leaf are indulged clove hitch bud.Tie good bud rear just suitable vein food mesophyll and epicuticle in bud, killed leaf presents strip tikka different in size.After larva is aging, again ties bud in plant bottom and leaf sheath portion and pupate.A larva edible harmful 5-9 sheet leaf in all one's life, it is in vain withered that killed serious field presents a slice.In recent years along with hybrid rice and the popularization of short-stalked variety and the change of cropping system, habitat and Feeding Condition are all better, and therefore rice leaf roller breeds soon, survival rate is high, is on the rise to rice hazard.Production prevents and treats pharmacopoeia, and be only suitable for preventing and treating 1-2 instar larvae, the lasting period is short, and to large instar weak effect, peasant needs repeatedly dispenser, just can control its harm.
Cycloxaprid is a kind of new and effective, wide spectrum, low toxicity nicotinic insecticide, the domestic kind with independent intellectual property right, activity is high, mechanism of action new, highly active nAChR antagonist, mechanism of action is new, be mainly used in preventing and treating homoptera pest, has good control efficiency to rice fulgorid.
Metaflumizone (metaflumizone) is a kind of brand-new compound, belong to semicarbazones insecticides, Universal Chinese character title: metaflumizone, chemical name (IUPAC): (E+Z)-2-[2-(4-cyano group benzene)-1-(3-trifluoromethylbenzene) ethylidene]-N-(4-trifluomethoxybenzene) hydrazine carbonyl oxamides; Molecular formula: C24H16F6N4O2.The mechanism of action of metaflumizone is unique, and itself has insecticidal activity, does not need bioactivation, with existing each insecticides without cross resistance.Metaflumizone can prevent and treat larva, the adult of various places lepidoptera pest and some coleoptera effectively, can also be used for preventing and treating the insects such as ant, termite, fly class, cicada dung beetle.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of there is better control efficiency control rice fulgorid and the composite insecticide containing metaflumizone and cycloxaprid of leaf-roller.
A kind of composite insecticide containing metaflumizone and cycloxaprid of the present invention, its active ingredient is metaflumizone and cycloxaprid, and wherein the weight ratio of metaflumizone and cycloxaprid is 1:50-50:1; Also include auxiliary agent and carrier in said composition, wherein metaflumizone and cycloxaprid account for the 5%-60% of insecticidal total weight, and auxiliary agent accounts for the 5%-30% of insecticidal total weight, and all the other are carrier.
Wherein said auxiliary agent is lauryl sodium sulfate, ethoxylated dodecyl alcohol, one or more in lignosulfonates, sulfonic acid polyformaldehyde condensation product (NNO), polyethylene glycol, ammonium sulfate, sodium carboxymethylcellulose, sodium butylnaphthalenesulfonate, 1-METHYLPYRROLIDONE, alkyl benzene calcium sulfonate, phenethyl phenol mela mine-formaldehyde resin polyoxyethyl ether, ethylene glycol, silicone compound, xanthans, aluminium-magnesium silicate.
Wherein said carrier be kaolin, diatomite, water one or more.
Composite insecticide containing metaflumizone and cycloxaprid of the present invention can be water dispersible granules, wetting powder or aqueous emulsion.
Insecticide of the present invention, through actual test, has significant control efficiency to rice fulgorid and leaf-roller.
Composite insecticide of the present invention, compared with common insecticides, has the following advantages: 1, have a significant effect to rice fulgorid and leaf-roller, save labor; 2, can high malicious insecticide in Substitute For Partial, reduce dosage, reduce the residual of environmental pollution and agricultural product; 3, there is the advantage of lasting period length, compared with single medicament, can reduce costs.4, to crop. natural enemy. Environmental security.
Embodiment
embodiment 1:25.5% metaflumizone cycloxaprid water dispersible granule
0.5g metaflumizone, 25g cycloxaprid, 4g lauryl sodium sulfate, 2g ethoxylated dodecyl alcohol, 2g lignosulfonates, 2g sulfonic acid polyformaldehyde condensation product (NNO), 2g polyethylene glycol, 4g ammonium sulfate, 10g sodium carboxymethylcellulose, kaolin are mended to 100g, obtained 25.5% metaflumizone cycloxaprid water dispersible granule.
embodiment 2:25.5% metaflumizone cycloxaprid water dispersible granule
25g metaflumizone, 0.5g cycloxaprid, 4g lauryl sodium sulfate, 2g ethoxylated dodecyl alcohol, 2g lignosulfonates, 2g sulfonic acid polyformaldehyde condensation product (NNO), 2g polyethylene glycol, 4g ammonium sulfate, 10g sodium carboxymethylcellulose, kaolin are mended to 100g, obtained 25.5% metaflumizone cycloxaprid water dispersible granule.
According to the formula of embodiment 1,2, by active ingredient, auxiliary agent, carrier mixing, after stirring, obtain female powder through pulverizing, female powder is mixed with binding agent, then granulation, dry, sieve, 25.5% metaflumizone cycloxaprid water dispersible granule can be obtained.
embodiment 3: 20% metaflumizone cycloxaprid wettable powder
14g metaflumizone, 6g cycloxaprid, 4g lauryl sodium sulfate, 4g sodium lignin sulfonate, 2g pull open powder (BX), diatomite supplies 100g.Obtained 20% metaflumizone cycloxaprid wettable powder.
embodiment 4:30% metaflumizone cycloxaprid wettable powder
21g metaflumizone, 9g cycloxaprid, 6g lauryl sodium sulfate, 5g sodium lignin sulfonate, 4g pull open powder (BX), diatomite supplies 100g.Obtained 30% metaflumizone cycloxaprid wettable powder.
According to the formula of embodiment 3,4, active ingredient, auxiliary agent, carrier are added together, after air-flow crushing, in cone-type mixer, mix and blend 30 minutes, can obtain metaflumizone cycloxaprid wettable powder.
embodiment 5:20% metaflumizone cycloxaprid emulsion in water
14g metaflumizone, 6g cycloxaprid, 10g dimethylbenzene, 5gN-methyl pyrrolidone, 2g alkyl benzene calcium sulfonate, 6g phenethyl phenol mela mine-formaldehyde resin polyoxyethyl ether, 4g ethylene glycol, 0.4g silicone compound, 0.1g xanthans, 0.8g aluminium-magnesium silicate, water are mended to 100g, obtained 20% metaflumizone cycloxaprid emulsion in water.
embodiment 6:30% metaflumizone cycloxaprid emulsion in water
21g metaflumizone, 9g cycloxaprid, 10g dimethylbenzene, 5gN-methyl pyrrolidone, 2g alkyl benzene calcium sulfonate, 6g phenethyl phenol mela mine-formaldehyde resin polyoxyethyl ether, 4g ethylene glycol, 0.4g silicone compound, 0.1g xanthans, 0.8g aluminium-magnesium silicate, water are mended to 100g, obtained 30% metaflumizone cycloxaprid emulsion in water.
According to the formula of embodiment 5,6, active ingredient, solvent, emulsifier are added together, are dissolved into homogeneous oil phase; Water, antifreeze, thickener, defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, metaflumizone cycloxaprid emulsion in water can be obtained.
the test of pesticide effectiveness:select the control efficiency of preparation to rice fulgorid and leaf-roller of embodiment 1,2,3,6 to carry out contrast test, method is as follows:
Each 10 grams/acre, 40 grams/acre, 40 grams/acre, the preparation of embodiment 1,3,6 is set, 22% metaflumizone SC30 gram/acre, 25% cycloxaprid WP 28 grams/acre and blank totally 6 process, often process repetition 3 times, repeat area 50 square metres, community randomized arrangement, is separated by with the mud ridge between process, prevent water in field crossfire, guarantee the accuracy of each pharmacy test data.Phase spray medicine is contained in brown planthopper nymph, adopt the Changjiang river-10 type sprayer spraying, by experimental scheme process by low concentration to high concentration successively dispenser, every mu of liquid 50 kilograms, 1,3,7 d before spray medicine and after spray medicine, the parallel jump method sampling in every community, often some investigation 2 caves, amount to investigation 20 cave brown planthopper insect population radix, whether checkout facility medicament has poisoning to crop simultaneously, record type and the extent of injury of poisoning, calculate control efficiency with check plot brown planthopper nature insect population gradient.
Each 30 grams/acre, 40 grams/acre, 40 grams/acre, the preparation of embodiment 2,3,6 is set, 22% metaflumizone SC30 gram/acre, 25% cycloxaprid WP 28 grams/acre and blank totally 6 process, often process repetition 3 times, repeat area 50 square metres, community randomized arrangement, is separated by with the mud ridge between process, prevent water in field crossfire, guarantee the accuracy of each pharmacy test data.The type sprayer spraying of phase to low instar larvae phase employing the Changjiang river-10 is contained in egg hatching, every mu of liquid 50 kilograms, within after medicine 14 days, investigate residual individuals in leaf rolls and leaf roll, difference according to applying area and check plot leaf roll rate calculates protecting effect of leaves, and the difference remaining insect population according to applying area and check plot calculates control worm effect.
Table 1 water prevention brown plant-hopper experimental result
Table 2 water prevention rice leaf roller experimental result
Claims (3)
1. one kind contains the composite insecticide of metaflumizone and cycloxaprid, it is characterized in that 0.5g metaflumizone, 25g cycloxaprid, 4g lauryl sodium sulfate, 2g ethoxylated dodecyl alcohol, 2g lignosulfonates, 2g sulfonic acid polyformaldehyde condensation product (NNO), 2g polyethylene glycol, 4g ammonium sulfate, 10g sodium carboxymethylcellulose, kaolin are mended to 100g, obtained 25.5% metaflumizone cycloxaprid water dispersible granule.
2. the composite insecticide containing metaflumizone and cycloxaprid, is characterized in that 14g metaflumizone, 6g cycloxaprid, 4g lauryl sodium sulfate, 4g sodium lignin sulfonate, 2g are pulled open powder (BX), diatomite supplies 100g; Obtained 20% metaflumizone cycloxaprid wettable powder.
3. one kind contains the composite insecticide of metaflumizone and cycloxaprid, it is characterized in that 14g metaflumizone, 6g cycloxaprid, 10g dimethylbenzene, 5gN-methyl pyrrolidone, 2g alkyl benzene calcium sulfonate, 6g phenethyl phenol mela mine-formaldehyde resin polyoxyethyl ether, 4g ethylene glycol, 0.4g silicone compound, 0.1g xanthans, 0.8g aluminium-magnesium silicate, water to mend to 100g, obtained 20% metaflumizone cycloxaprid emulsion in water.
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| CN201310454105.XA CN103444749B (en) | 2013-09-29 | 2013-09-29 | Composite pesticide containing metaflumizone and cycloxaprid |
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| CN103444749B true CN103444749B (en) | 2015-07-08 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101622996A (en) * | 2009-08-12 | 2010-01-13 | 深圳诺普信农化股份有限公司 | Insecticidal composition |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101622996A (en) * | 2009-08-12 | 2010-01-13 | 深圳诺普信农化股份有限公司 | Insecticidal composition |
Non-Patent Citations (1)
| Title |
|---|
| 新烟碱类似物的合成及生物活性研究;叶振君;《华东理工大学博士学位论文》;20121231;第3页 * |
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