CN101380001B - Insecticide and acaricide composition containing diafenthiuron and chlorpyrifos - Google Patents
Insecticide and acaricide composition containing diafenthiuron and chlorpyrifos Download PDFInfo
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- CN101380001B CN101380001B CN 200810132581 CN200810132581A CN101380001B CN 101380001 B CN101380001 B CN 101380001B CN 200810132581 CN200810132581 CN 200810132581 CN 200810132581 A CN200810132581 A CN 200810132581A CN 101380001 B CN101380001 B CN 101380001B
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- diafenthiuron
- chlopyrifos
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- back moth
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Abstract
The invention designs a pesticide composition which consists of diafenthiuron and chlopyrifos and is used for controlling the pests and acarids in agriculture, and is especially suitable for controlling the pests and acarids such as diamond back moth, leaf roller, leaf miner, and the like with resistance caused by using siple dosages such as diafenthiuron and chlopyrifos. The active ingredients of the composition have remarkable complementary action and synergy; when the pesticide composition is applied for controlling the diamond back moth of vegetables, the control effect which is better than that of the siple dosages such as diafenthiuron and chlopyrifos. Furthermore, the drug effect is quick, the effects last for a long time, the using cost is low, and the control effect is not affected by temperature, thus having remarkable popularizing value.
Description
Technical field
The composition pesticide that this invention relates to is take diafenthiuron and chlopyrifos as active ingredient, prevents and treats insect, evil mite on agricultural.
Technical background
Diafenthiuron (English name diafenthiuron, chemical structural formula: 1-tertiary butyl-3-(2,6-diisopropyl-4-Phenoxyphenyl) thiocarbamide, molecular formula C23H23N2OS), be a kind of Thiourea Insecticidal and acaricidal agent, can be used for preventing and treating the insects such as mite class nearly all on the various crops such as cotton, fruit tree, vegetables, ornamental plants, soybean, aleyrodid, diamond-back moth, cabbage caterpillar, aphid, leafhopper, leaf miner, scale insect, evil mite etc.Have interior suction and fumigation action, change the material with insecticidal activity under ultraviolet light, should use at fine day.Can be mixed with most of insecticidal bactericides.Facts have proved, this composition not only control efficiency is outstanding, and environmentally friendly.
Chlopyrifos (english common name chlorpyrifos, other title of chemical molecular formula C9H11C13NO3PS: termite is clear, Lan Zhu, Le Siben, kill worm, Tai Lekai).Mainly by tag, stomach toxicity and stifling 3 kinds of mode of action Control pests.Insecticidal spectrum can be compared with acephatemet, but toxicity is more much lower than acephatemet, belongs to moderate toxicity but belong to low toxicity in organic phosphor desinsection, miticide.Its effect is applicable to prevent and treat the insect evil mite on the various crop such as oranges and tangerines, cotton, paddy rice, corn, apple, pears, peanut, soybean, wheat and tea tree rapidly.Chlopyrifos is easily degraded in environment, and environmentally safe, the lasting period is long.
Yet in the real process of agricultural production, the problem that pest control the most easily produces is the generation of pest resistance to insecticide.Harmful mite important on agricultural is because its breeding cycle is short, and breeding amount is large, and mobility is little, and the selfing degree is high, especially easily produces resistance.
Diamond-back moth is also a kind of common insect, and the main harm brassicaceous vegetable is often caused crushing disaster.Especially in the zone, south, diamond-back moth is annual to be occured.In some serious zone, the Methomyl of the sumicidin in conventional pesticide composition such as pyrethroid, the phoxim in organic phosphor, carbamates etc., separately control is almost without any effect.
For the upper insect that produces resistance of control agricultural, a kind of way is to release new and the new component of existing kind without cross resistance.But the development cost of new active ingredient is high, and the construction cycle is long, and forever all produces the speed of resistance less than insect.Other method such as crop allocation adjustment, different agricultural chemicals rotations etc. in the process of practical operation, are difficult to really play obvious effect.
The composition of different cultivars carries out composite, is control resistant insect, the very common way of evil mite.Heterogeneity is carried out composite, according to effect, its mixed co-toxicity coefficient of practical application judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, and the seldom composite of synergistic effect really arranged, especially synergistic effect very obviously, co-toxicity coefficient very high composite just still less.
Summary of the invention
Upward produce the diamond-back moth of resistance in order to prevent and treat agricultural, leaf miner, two spotted spider mite, we have carried out mutual composite synergy research with compositions such as diafenthiuron, chlopyrifos.It is tested object that field diamond-back moth, Tetranychus urticae, Tetranychus cinnabarinus are adopted in test, and compares with the sensitive strain of indoor feeding, and concrete grammar is:
1) the former medicine of diamond-back moth test medicine diafenthiuron provides for Jiangsu Changlong Chemical Co, and the former medicine of chlopyrifos provides for Jiangsu precious etherealize work Co., Ltd, and preparation is mixed with by Shaanxi Welch Crop Protection Co., Ltd.'s medicament laboratory.The examination worm is the pickles chrysalis of picking up from the field, an indoor feeding generation, select the growth even one to third-instar larvae, the culture dish that the diameter of access storing cabbage leaf (black leaf Chinese cabbage, outermost layer blade) is 9 centimetres, every ware connects 30, every processing connects three wares, spray under 50PSI pressure with the POTT spray tower, spray a ware at every turn, 3 milliliters of every ware spraying liquids.General each processing arranges each concentration gradient of 6-7.The culture dish of processing is put into 25 ℃, the cultivation of 12H/12H illumination box, checks the survival borer population, and calculates the insect population decline rate in 48 hours.Blank spray equivalent clear water, the sensitivity examination worm of contrast is to raise in laboratory throughout the year, without any chemicals treatment, the length of time is consistent with above-mentioned worm.Calculate virulence equation and lethal concentration of 50 LC50 with method of least squares, send out toxicity index and the mixed co-toxicity coefficient (CTC value) that calculates medicament with Sun Yunpei, the CTC value greater than 100 for synergistic effect, near 100 being addition, be antagonism less than 100.
2) the Tetranychus cinnabarinus test medicine provides former medicine for producer, is mixed with the preparation that needs by Shaanxi Welch Crop Protection Co., Ltd.'s medicament laboratory.The examination worm is the female one-tenth mite of Tetranychus cinnabarinus of picking up from the field, through indoor feeding, select the one-tenth mite of growth uniformity, the culture dish that the diameter of access storing cotton leaf is 9 centimetres, every ware connects 30, and every processing connects three wares, sprays under 50PSI pressure with broken POTT spray tower, ware of each spray, 3 milliliters of every ware spraying liquids.Blank spray equivalent clear water, the sensitivity examination worm of contrast is to raise in laboratory throughout the year, without any chemicals treatment, the length of time is consistent with above-mentioned examination worm.General each processing arranges 6-7 concentration gradient.The culture dish of processing is put into 25 ℃, cultivates in the 12H/12H illumination box, checks the survival borer population, and calculates the insect population decline rate in 48 hours.Statistical method is the same.
3) the leaf miner test medicine provides former medicine for producer, is mixed with the preparation that needs by Shaanxi Welch Crop Protection Co., Ltd.'s medicament laboratory.The examination worm is the leaf mining chrysalis of picking up from the orchard, an indoor feeding generation, select the growth even one to third-instar larvae, the culture dish that the diameter of access storing mandarin tree blade is 9 centimetres, every ware connects 30, and every processing connects three wares, sprays under 50PSI pressure with the POTT spray tower, ware of each spray, 3 milliliters of every ware spraying liquids.General each processing arranges each concentration gradient of 6-7.The culture dish of processing is put into 25 ℃, cultivates in the 12H/12H illumination box, checks the survival borer population, and calculates the insect population decline rate in 48 hours.
4) to the measurement result of diamond-back moth, Tetranychus cinnabarinus, leaf miner see Table respectively 1, table 2, table 3.R represents resistance examination worm.S represents responsive examination worm.
The toxicity test result of table 1 different disposal to diamond-back moth
| Process | LC50(PPM) | Resistance index | Co-toxicity coefficient |
| Diafenthiuron 10+ chlopyrifos 30 (S) | 3.5 | 94.7 | |
| Diafenthiuron 15+ chlopyrifos 25 (S) | 4.9 | 91.9 | |
| Diafenthiuron 20+ chlopyrifos 20 (S) | 5.4 | 103.1 | |
| Diafenthiuron 25+ chlopyrifos 15 (S) | 7.2 | 91.1 | |
| Diafenthiuron 30+ chlopyrifos 10 (S) | 6.9 | 108.2 | |
| Diafenthiuron 10+ chlopyrifos 30 (R) | 6.7 | 365.0 | |
| Diafenthiuron 15+ chlopyrifos 25 (R) | 7.5 | 334.3 | |
| Diafenthiuron 20+ chlopyrifos 20 (R) | 6.9 | 368.4 | |
| Diafenthiuron 25+ chlopyrifos 15 (R) | 9.0 | 285.1 | |
| Diafenthiuron 30+ chlopyrifos 10 (R) | 9.2 | 279.3 | |
| Chlopyrifos (S) | 0.3 | ||
| Diafenthiuron (S) | 25.3 | - | |
| Chlopyrifos (R) | 14.9 | 50 |
| Diafenthiuron (R) | 26.3 | - | |
| Sumicidin (R) | 317.2 | 167 | |
| Sumicidin (S) | 1.9 | ||
| Diafenthiuron 1+ sumicidin 20 (R) | 94.8 | 104.1 | |
| Diafenthiuron 5+ sumicidin 15 (R) | 56.3 | 120.2 | |
| Diafenthiuron 10+ sumicidin 10 (R) | 47.5 | 102.1 | |
| Diafenthiuron 15+ sumicidin 5 (R) | 35.8 | 115.9 | |
| Diafenthiuron 20+ sumicidin 1 (R) | 30.6 | 123.6 | |
| Diafenthiuron 1+ sumicidin 20 (S) | 2.1 | 110.8 | |
| Diafenthiuron 5+ sumicidin 15 (S) | 2.6 | 102.8 | |
| Diafenthiuron 10+ sumicidin 10 (S) | 3.0 | 117.9 | |
| Diafenthiuron 15+ sumicidin 5 (S) | 4.0 | 105.4 | |
| Diafenthiuron 20+ sumicidin 1 (S) | 4.3 | 113.9 |
The toxicity test result of table 2 different disposal to Tetranychus cinnabarinus
| Process | LC50(PPM) | Resistance index | Co-toxicity coefficient |
| Diafenthiuron 10+ chlopyrifos 30 (S) | 1.26 | 98.0 | |
| Diafenthiuron 15+ chlopyrifos 25 (S) | 1.61 | 107.5 | |
| Diafenthiuron 20+ chlopyrifos 20 (S) | 2.19 | 100.7 | |
| Diafenthiuron 25+ chlopyrifos 15 (S) | 2.21 | 120.1 | |
| Diafenthiuron 30+ chlopyrifos 10 (S) | 2.36 | 130.0 | |
| Diafenthiuron 10+ chlopyrifos 30 (R) | 3.22 | 432.9 | |
| Diafenthiuron 15+ chlopyrifos 25 (R) | 2.77 | 502.3 | |
| Diafenthiuron 20+ chlopyrifos 20 (R) | 2.92 | 476.5 | |
| Diafenthiuron 25+ chlopyrifos 15 (R) | 2.73 | 510.2 | |
| Diafenthiuron 30+ chlopyrifos 10 (R) | 3.52 | 395.7 | |
| Chlopyrifos (S) | 0.12 | ||
| Diafenthiuron (S) | 16.9 | ||
| Chlopyrifos (R) | 14.5 | 120 |
| Diafenthiuron (R) | 13.9 | - |
The toxicity test result of table 3 different disposal to leaf miner
| Process | LC50(PPM) | Resistance index | Co-toxicity coefficient |
| Diafenthiuron 10+ chlopyrifos 30 (S) | 1.40 | 108.2 | |
| Diafenthiuron 15+ chlopyrifos 25 (S) | 1.93 | 110.3 | |
| Diafenthiuron 20+ chlopyrifos 20 (S) | 2.62 | 102.4 | |
| Diafenthiuron 25+ chlopyrifos 15 (S) | 3.29 | 97.6 | |
| Diafenthiuron 30+ chlopyrifos 10 (S) | 3.96 | 93.2 | |
| Diafenthiuron 10+ chlopyrifos 30 (R) | 3.27 | 439.2 | |
| Diafenthiuron 15+ chlopyrifos 25 (R) | 3.14 | 456.1 | |
| Diafenthiuron 20+ chlopyrifos 20 (R) | 2.49 | 572.9 | |
| Diafenthiuron 25+ chlopyrifos 15 (R) | 3.70 | 385.3 | |
| Diafenthiuron 30+ chlopyrifos 10 (R) | 3.58 | 397.3 | |
| Chlopyrifos (S) | 0.15 | ||
| Diafenthiuron (S) | 17.4 | ||
| Chlopyrifos (R) | 16.3 | 108 | |
| Diafenthiuron (R) | 14.2 | - |
As seen from Table 1, diafenthiuron and chlorpyrifos mixture, the diamond-back moth that chlopyrifos and sumicidin is produced resistance has very high synergistic effect, with fenvalerate built, there is no notable synergistic.Two kinds of composite modes all do not have synergistic effect to the examination worm of sensitivity.
As seen from Table 2, diafenthiuron and chlorpyrifos mixture have very high synergistic effect to the Tetranychus cinnabarinus that chlopyrifos is produced resistance, and two kinds of composite reagents all do not have synergistic effect to the examination worm of sensitivity.
As seen from Table 3, diafenthiuron and chlorpyrifos mixture, the leaf miner that chlopyrifos is produced resistance has very high synergistic effect, and two kinds of composite reagents all do not have synergistic effect to the examination worm of sensitivity.
Embodiment
Application example one: diamond-back moth
By chlopyrifos percentage by weight 10%, diafenthiuron 30%, calcium dodecyl benzene sulfonate 8%, phenethyl phenol polyethenoxy ether 6%, surplus is dimethylbenzene, is mixed with missible oil.This formula is by 2000 times of dilution sprayings, and after medicine, 72 hours control efficiency are 96.7%; 10% chlorpyrifos ec and 30% diafenthiuron missible oil use according to same method, and after medicine, 72 hours preventive effects are respectively 65.6% and 73.7%.
Application example two: Tetranychus cinnabarinus
By chlopyrifos percentage by weight 10%, diafenthiuron 30%, phenethyl phenol polyethenoxy ether phosphate 3%, the rare block compound of polyoxyethylene polyoxy third such as agriculture breast 33#2%, alkylphenol polyoxyethylene 1%, dimethylbenzene 13% adds water to gross weight 100 grams.Above raw material is prepared routinely the method input of aqueous emulsion and mixed attached middle school's mixed at high speed, be mixed with aqueous emulsion.This proportioning is by 3000 times of dilution sprayings, and after medicine, 72 hours control efficiency are that 100%, 10% chlorpyrifos aqueous emulsion and 30% diafenthiuron emulsion in water use according to same method, and after medicine, 72 hours preventive effects are respectively 63.8% and 74.0%.
Application example three: leaf miner
By chlopyrifos percentage by weight 10%, diafenthiuron 30%, calcium dodecyl benzene sulfonate 6%, phenethyl phenol polyethenoxy ether phosphate 3%, the rare block compound of polyoxyethylene polyoxy third such as agriculture breast 33#2%, alkylphenol polyoxyethylene 1%, cyclohexanone 13% adds water to gross weight 100 grams.The method of above raw material being prepared routinely microemulsion drops into the mixing of mixing kettle high speed, is mixed with microemulsion.This proportioning is by 2500 times of dilution sprayings, and after medicine, 72 hours control efficiency are that 97%, 10% chlorpyrifos micro emulsion and 30% diafenthiuron microemulsion use according to same method, and after medicine, 72 hours preventive effects are respectively 71.2% and 76.9%.
Claims (3)
1. composition pesticide, active ingredient is comprised of diafenthiuron and chlopyrifos, it is characterized in that: the weight ratio of active ingredient diafenthiuron and chlopyrifos is 3: 1～1: 3.
According to claim 1 in mentioned composition, it is characterized in that: composition is made missible oil, suspending agent, microemulsion, aqueous emulsion, wetting powder, water dispersible granules.
3. the composition of mentioning according to claim 1 and 2, active ingredient diafenthiuron and chlopyrifos both accumulating weight content between 1%～90%.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140016A (en) * | 1995-04-05 | 1997-01-15 | 希巴-盖吉股份公司 | Pesticidal composition |
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1140016A (en) * | 1995-04-05 | 1997-01-15 | 希巴-盖吉股份公司 | Pesticidal composition |
| WO2002037964A1 (en) * | 2000-11-10 | 2002-05-16 | Syngenta Participations Ag | Synergistic pesticidal compositions comprising n-cyanomethyl-4-(trifluoromethyl)nicotinamide |
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Granted publication date: 20130605 Termination date: 20160717 |