CN103858925B - A kind of Pesticidal combination containing carbosulfan and diazinon - Google Patents
A kind of Pesticidal combination containing carbosulfan and diazinon Download PDFInfo
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- CN103858925B CN103858925B CN201410067203.2A CN201410067203A CN103858925B CN 103858925 B CN103858925 B CN 103858925B CN 201410067203 A CN201410067203 A CN 201410067203A CN 103858925 B CN103858925 B CN 103858925B
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- diazinon
- carbosulfan
- rice
- insect
- crop
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Abstract
The invention discloses a kind of Pesticidal combination containing carbosulfan and diazinon, effective active composition is carbosulfan and diazinon, and the weight ratio of carbosulfan and diazinon is 1 ︰ 80 ~ 60 ︰ 1.The various pests of the present composition to harm agricultural production has synergistic effect, and decrease pesticide usage amount, reduce the residual quantity of agricultural chemicals on crop, alleviate environmental pollution, to person poultry safety, Environmental compatibility is good, and insect not easily develops immunity to drugs.
Description
Technical field
The invention belongs to technical field of pesticide, relate to a kind of application of Pesticidal combination on crop pests containing carbosulfan and diazinon.
Background technology
Carbosulfan (carbosulfan): molecular formula: C
20h
32n
2o
3s, chemical name: 2,3-dihydro-2,2-dimethyl benzofuran-7-base (dibutylamino sulphur) methyl carbamate, be that poisonous Furadan plays insecticidal action at insect bodies intracellular metabolite, its insecticidal mechanism is interference insect nervous system, suppresses cholinesterase, make muscle and the body of gland sustained activity of insect, and cause insect death.Absorption in this medical instrument, have insect and tag and stomach poison function, the lasting period is long, and insecticidal spectrum is wide, can be used for preventing and treating the various pests on citrus, paddy rice, vegetables.
Diazinon (diazinon) chemical name: 0,0-diethyl-0-(2-isopropyl-4-first pyrimidine-6-first) phosphorothionate, molecular formula: C
12h
21n
2o
3pS.Diazinon acetylcholine esterase inhibition, has good preventive effect to the various pests such as Lepidoptera, Homoptera, also can dress seed and prevent and treat the soil insect of various crop.
But in the real process of agricultural production, the problem that pest control the most easily produces is the generation of pest resistance to insecticide.Different cultivars composition carries out composite, is to prevent and treat the very common method of resistant insect.Heterogeneity is carried out composite, according to practical application effect, judge certain composite be synergy, add and or antagonism.In most cases, the composite effect of agricultural chemicals is all additive effect, really has the seldom composite of synergistic effect, especially synergistic effect clearly, very high composite just less of co-toxicity coefficient.Through inventor's research, find by carbosulfan and diazinon composite after can produce good synergistic effect, and about carbosulfan and the composite relevant report of diazinon not yet open.
Summary of the invention
The object of the invention is to propose a kind ofly have that synergistic function, use cost are low, preventive effect is good containing the Pesticidal combination of carbosulfan and diazinon.
A kind of Pesticidal combination containing carbosulfan and diazinon that the present invention proposes, containing carbosulfan and diazinon, carbosulfan and diazinon weight ratio are 1 ︰ 80 ~ 60 ︰ 1, and carbosulfan and the preferred weight ratio of diazinon are 1 ︰ 60 ~ 40 ︰ 1; The weight ratio being more preferably carbosulfan and diazinon is 1 ︰ 30 ~ 30 ︰ 1; The weight ratio most preferably being carbosulfan and diazinon is 1 ︰ 9 ~ 9 ︰ 1.
The Pesticidal combination containing carbosulfan that the present invention proposes is for preventing and treating the purposes of insect on crops, and described crops comprise cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, green manure pasture crop; Described insect comprises diamond-back moth, cabbage caterpillar, beet armyworm, rice leaf roller, rice fulgorid, rice gall midge, striped rice borer, paddy stem borer, aphid, soil insect, aleyrodid, leaf roller, apple leaf miner, cotton bollworm, pink bollworm, leafhopper, thrips or flea beetle.
The weight ratio of carbosulfan and diazinon is 1 ︰ 80 ~ 60 ︰ 1.In usual composition, the weight percentage of active component is 0.5% ~ 90% of gross weight, is preferably 5% ~ 80%.According to different preparation types, active component content scope is different.Usually, liquid preparation contains the active substance of by weight 1% ~ 70%, is preferably 5% ~ 50%; Solid pharmaceutical preparation contains the active substance of by weight 5% ~ 80%, is preferably 10% ~ 80%.
At least containing a kind of surfactant in Pesticidal combination of the present invention, the dispersion of active component in water when being beneficial to use.Surface-active contents is 5% ~ 30% of total formulation weight amount, and surplus is solid or liquid diluent.
Pesticidal combination of the present invention can by user before use through diluting or directly using.Its preparation can be prepared by common processing method known in those skilled in the art, after mixing with liquid flux or solid carrier by active substance, then add surfactant as one or more in dispersant, stabilizing agent, wetting agent, binding agent, defoamer, disintegrant, antifreeze etc.
Pesticidal combination of the present invention, can be processed into acceptable formulation on any agricultural chemicals on demand, wherein more excellent formulation is: wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
Composition comprises following constituent content when making wetting powder: carbosulfan 0.5% ~ 60%, diazinon 0.5% ~ 80%, dispersant 2% ~ 10%, wetting agent 2% ~ 10%, filler surplus.
Composition comprises following constituent content when making water dispersible granules: carbosulfan 0.5% ~ 60%, diazinon 0.5% ~ 80%, dispersant 3% ~ 12%, wetting agent 1% ~ 8%, disintegrant 1% ~ 10%, binding agent 0 ~ 8%, filler surplus.
Composition comprises following constituent content when making aqueous emulsion: carbosulfan 0.5% ~ 50%, diazinon 0.5% ~ 50%, solvent 0 ~ 30%, emulsifier 1% ~ 15%, antifreeze 0 ~ 8%, thickener 0 ~ 2%, defoamer 0.01% ~ 2%, deionized water supply surplus.
Composition comprises following constituent content when making microemulsion: carbosulfan 0.5% ~ 50%, diazinon 0.5% ~ 50%, solvent 0 ~ 30%, emulsifier 3% ~ 25%, antifreeze 0 ~ 8%, defoamer 0.01% ~ 2%, stabilizing agent 0 ~ 4%, deionized water supplies surplus.
The invention has the advantages that:
(1) carbosulfan and diazinon composite after, there is obvious synergy and lasting effect, (2) to cereal crops, legume crop, fiber crop, sugar [yielding, melon crop, fruits crop, dry fruit crop, hobby crop, root crop, oil crop, flower crop, medicinal crop, crop, diamond-back moth on green manure pasture crop, cabbage caterpillar, beet armyworm, rice leaf roller, rice fulgorid, rice gall midge, striped rice borer, paddy stem borer, aphid, soil insect, aleyrodid, leaf roller, apple leaf miner, cotton bollworm, pink bollworm, leafhopper, thrips or flea beetle etc. all have greater activity, (3) decrease pesticide usage amount, reduce the residual quantity of agricultural chemicals on crop, alleviate environmental pollution, (4) to person poultry safety, Environmental compatibility is good, and preparation adhesion strength strengthens, resistance of rainwater washing against.
Embodiment
Below in conjunction with embodiment to further instruction of the present invention, the percentage in embodiment is all weight percentage, but the present invention is not limited thereto.
Application Example one
Embodiment 1 ~ 4 wetting powder
Carbosulfan, diazinon, dispersant, wetting agent, filler are mixed in mixed cylinder, mixes again after airslide disintegrating mill is pulverized, wetting powder product of the present invention can be obtained, specifically in table 1.
The each component of table 1 embodiment 1 ~ 4 and weight portion
Embodiment 5 ~ 6 water dispersible granules
Carbosulfan, diazinon, dispersant, wetting agent, disintegrant, filler etc. are obtained together the particle diameter needed through air-flow crushing, then add other auxiliary agents such as binding agent, obtain granulation materials.Item is quantitatively sent in fluidized bed granulating dryer through granulating and after drying, water dispersible granules product of the present invention can being obtained, specifically in table 2.
The each component of table 2 embodiment 5 ~ 6 and weight portion
Embodiment 7 ~ 11 aqueous emulsion
Carbosulfan, diazinon, solvent, emulsifier are added together, make to be dissolved into homogeneous oil phase; Deionized water, antifreeze, thickener, defoamer are mixed, becomes homogeneous aqueous phase.Under high velocity agitation, aqueous phase is added oil phase, surplus deionized water is supplied and can be obtained aqueous emulsion product of the present invention, specifically in table 3.
The each component of table 3 embodiment 7 ~ 11 and weight portion
Embodiment 12 ~ 15 microemulsion
Carbosulfan, diazinon, solvent, emulsifier, antifreeze, thickener, defoamer are fully mixed into the oil phase of homogeneous transparent, under agitation slowly add deionized water, form WO emulsion, again through agitating heating, make it rapid phase inversion and become oil-in-water type, be chilled to room temperature to make it to reach balance, after filtration, surplus deionized water is supplied; Microemulsion product of the present invention can be obtained, specifically in table 4.
The each component of table 4 embodiment 12 ~ 15 and weight portion
The embodiment of the present invention is the method adopting Toxicity Determination and field trial to combine.First pass through Toxicity Determination, co-toxicity coefficient (CTC) after clear and definite two kinds of medicaments are composite by a certain percentage, CTC < 80 is antagonism, 80≤CTC≤120 are summation action, CTC > 120 is synergistic effect, on this basis, then carry out field trial.
Test method: respectively the mother liquor of each mixed agent is diluted to five series concentration during test, is placed in beaker respectively for subsequent use.Adopt the method connecing worm after first soaking leaf, take out after the blade of the same size not contacting any medicament is soaked 5s in the liquid configured, naturally dry, put into insect box, then connect for examination larva, raise under 25 DEG C of conditions, often process and repeat for 3 times, often repeating examination borer population used is 50, establishes blank simultaneously, checks dead borer population in 72h, calculate lethality and corrected mortality, try to achieve virulence regression equation and calculate LC
50value.If contrast lethality is greater than 10%, be then considered as invalid test.Computing formula is as follows:
Insect corrected mortality is converted into probit value (y), and concentration for the treatment of (μ g/ml) converts logarithm value to (x), draws virulence regression equation, and calculate the value of often kind of medicament thus with method of least squares.Co-toxicity coefficient CTC is calculated according to the abundant equation of Sun Yun.Computing formula following (take carbosulfan as standard agent, its toxicity index is 100):
TI × the P of theoretical toxicity index (the TTI)=carbosulfan of M
carbosulfantI × the P of+effective diazinon
diazinon
In formula: M is the mixture of different ratio
P
diazinonfor the ratio that effective diazinon is shared in the composition
P
carbosulfanfor the ratio that carbosulfan is shared in the composition
B is selected from diazinon.
Application Example two
For examination insect: rice-stem borer
Test medicine provides by Shaanxi Andreap Biochemistry Ltd..
Experimental scheme: through effective lethal concentration scope of preliminary experiment determination carbosulfan and the former medicine of diazinon and the two different ratio mixture.
Table 5 carbosulfan and the composite toxicity test analysis of results table to rice-stem borer of diazinon
| Reagent agent | Proportioning | LC 50(ug/mL) | Co-toxicity coefficient (CTC) |
| Carbosulfan | — | 11.25 | — |
| Diazinon | — | 13.02 | — |
| Ding sulphur Ke Bai Wei ︰ diazinon | 60:1 | 7.14 | 157.91 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 50:1 | 6.39 | 176.53 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 40:1 | 5.94 | 190.02 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 30:1 | 5.51 | 205.07 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 20:1 | 5.25 | 215.68 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 9:1 | 4.98 | 229.02 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 4:1 | 4.62 | 250.31 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 2:1 | 4.37 | 269.66 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:1 | 4.16 | 290.16 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:2 | 4.39 | 281.80 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:4 | 4.84 | 260.80 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:9 | 5.22 | 245.56 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:20 | 5.68 | 227.52 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:30 | 5.93 | 218.45 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:40 | 6.78 | 191.30 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:60 | 7.45 | 174.32 |
| Ding sulphur Ke Bai Wei ︰ diazinon | 1:80 | 7.91 | 164.28 |
As shown in Table 5, carbosulfan and diazinon to rice-stem borer proportioning when 1 ︰ 80 ~ 60 ︰ 1, co-toxicity coefficient is all greater than 120, both explanations mixture in 1 ︰ 80 ~ 60 ︰ 1 scope all shows synergistic effect, when the proportioning of carbosulfan and diazinon is at 1 ︰ 30 ~ 30 ︰ 1, synergistic effect is more obviously given prominence to, and co-toxicity coefficient is all greater than 200.Test through applicant and find that carbosulfan and diazinon proportioning are 30:1, 20:1, 15:1, 10:1, 9:1, 8:1, 7:1, 6:1, 5:1, 4:1, 3:1, 2:1, 1:1, 1:2, 1:3, 1:4, 1:5, 1:6, 1:7, 1:8, 1:10, 1:15, 1:20, during 1:30, carbosulfan and diazinon composite rear to the diamond-back moth in various crop, cabbage caterpillar, beet armyworm, rice leaf roller, rice fulgorid, rice gall midge, striped rice borer, paddy stem borer, aphid, soil insect, aleyrodid, leaf roller, apple leaf miner, cotton bollworm, pink bollworm, leafhopper, the control of thrips or flea beetle has obvious synergistic effect, co-toxicity coefficient is all greater than 120.
Test drug effect part: test medicine is researched and developed by Shaanxi Andreap Biochemistry Ltd., provided, contrast medicament 20% carbosulfan missible oil (autogamy), 50% diazinon missible oil (commercial).
Application Example three carbosulfan and diazinon and the composite control wild cabbage diamond-back moth test of pesticide effectiveness thereof
This test arrangement is at Shaanxi Province's Hanzhong City, and investigation rice-stem borer insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 6 carbosulfan and diazinon and the composite water prevention chilo suppressalis test of pesticide effectiveness thereof
As can be seen from Table 6, carbosulfan and diazinon composite after can effective water prevention chilo suppressalis, through applicant test find carbosulfan and diazinon composite after also can be used for preventing and treating Yellow Rice Borer, rice fulgorid, rice leaf roller, thrips, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example four carbosulfan and diazinon and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
This test arrangement is in Weinan City Dali County, Shaanxi Province, and investigation cotton cotton bollworm insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 7 carbosulfan and diazinon and the composite control cotton cotton bollworm test of pesticide effectiveness thereof
As can be seen from Table 7, carbosulfan and diazinon composite after can effectively prevent and treat cotton cotton bollworm, through applicant test find carbosulfan and diazinon composite after also can be used for preventing and treating cotton pink bollworm, thrips, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example five carbosulfan and diazinon and the composite control paddy rice rice leaf roller test of pesticide effectiveness thereof
This test arrangement is in Hanzhong City Chenggu County, Shaanxi Province, and investigation paddy rice rice leaf roller insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 8 carbosulfan and diazinon and the composite control paddy rice rice leaf roller test of pesticide effectiveness thereof
As can be seen from Table 8, carbosulfan and diazinon composite after can effectively prevent and treat paddy rice rice leaf roller, through applicant test find carbosulfan and diazinon composite after also can be used for preventing and treating rice hoppers, rice gall midge, striped rice borer, paddy stem borer, leafhopper, thrips, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example six carbosulfan and diazinon and the composite control cabbage pieris test of pesticide effectiveness thereof
This test arrangement is at Xian District, Shanxi Province suburban area, and investigation cabbage pieris insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 9 carbosulfan and diazinon and the composite control cabbage pieris test of pesticide effectiveness thereof
As can be seen from Table 9, carbosulfan and diazinon composite after effectively can prevent and treat cabbage pieris, through applicant test find carbosulfan and diazinon composite after also can be used for preventing and treating diamond-back moth, beet armyworm, flea beetle, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
Application Example seven carbosulfan and diazinon and the composite control orange caterpillar test of pesticide effectiveness thereof
This test arrangement is in Hanzhong City suburb, Shaanxi Province, and investigation orange caterpillar insect pest index before medicine, in the dispenser of insect pest initial stage of origination, 3 days, 7 days, 15 days investigation insect pest indexes after dispenser also calculate preventive effect.Result of the test is as follows:
Table 10 carbosulfan and diazinon and the composite control orange caterpillar test of pesticide effectiveness thereof
As can be seen from Table 10, carbosulfan and diazinon composite after effectively can prevent and treat orange caterpillar, through applicant test find carbosulfan and diazinon composite after also can be used for preventing and treating leaf miner, control efficiency is all higher than 97%, be better than the preventive effect of single dose, and the preventive effect phase is long.In test scope of medication, target crop is had no adverse effects.
After draw through tests different local throughout the country, carbosulfan and the composite rear preventive effect to common insect pests such as the diamond-back moth in various crop, cabbage caterpillar, beet armyworm, rice leaf roller, rice fulgorid, rice gall midge, striped rice borer, paddy stem borer, aphid, soil insect, aleyrodid, leaf roller, apple leaf miner, cotton bollworm, pink bollworm, leafhopper, thrips or flea beetles of diazinon are all more than 97%, be better than single dose preventive effect, synergistic effect is obvious.
Claims (4)
1. contain a Pesticidal combination for carbosulfan and diazinon, effective active composition is carbosulfan and diazinon, it is characterized in that: the weight ratio of carbosulfan and diazinon is 1 ︰ 4 ~ 9 ︰ 1.
2. the Pesticidal combination containing carbosulfan and diazinon according to claim 1, is characterized in that: composition makes wetting powder, water dispersible granules, aqueous emulsion, microemulsion.
3. the Pesticidal combination containing carbosulfan and diazinon according to claim 1 is for preventing and treating the purposes of insect on crops.
4. purposes according to claim 3, is characterized in that: described insect comprises diamond-back moth, cabbage caterpillar, beet armyworm, rice leaf roller, rice fulgorid, rice gall midge, striped rice borer, paddy stem borer, aphid, aleyrodid, soil insect, leaf roller, apple leaf miner, cotton bollworm, pink bollworm, leafhopper, thrips or flea beetle.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283390A (en) * | 2000-05-17 | 2001-02-14 | 西北农林科技大学无公害农药研究服务中心 | Insecticide composition containing carbosulfan |
| CN102603426A (en) * | 2012-01-20 | 2012-07-25 | 广西田园生化股份有限公司 | Rice seedling-strengthening pesticide-containing fertilizer for preventing virus diseases of rice |
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- 2014-02-26 CN CN201410067203.2A patent/CN103858925B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283390A (en) * | 2000-05-17 | 2001-02-14 | 西北农林科技大学无公害农药研究服务中心 | Insecticide composition containing carbosulfan |
| CN102603426A (en) * | 2012-01-20 | 2012-07-25 | 广西田园生化股份有限公司 | Rice seedling-strengthening pesticide-containing fertilizer for preventing virus diseases of rice |
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