CN101669517B - Nematicide composition - Google Patents
Nematicide composition Download PDFInfo
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- CN101669517B CN101669517B CN 200910205312 CN200910205312A CN101669517B CN 101669517 B CN101669517 B CN 101669517B CN 200910205312 CN200910205312 CN 200910205312 CN 200910205312 A CN200910205312 A CN 200910205312A CN 101669517 B CN101669517 B CN 101669517B
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- Prior art keywords
- iprodione
- days
- root
- nematode
- avermectin
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- 239000000203 mixture Substances 0.000 title claims abstract description 40
- 239000005645 nematicide Substances 0.000 title abstract description 3
- 239000005867 Iprodione Substances 0.000 claims abstract description 127
- ONUFESLQCSAYKA-UHFFFAOYSA-N iprodione Chemical compound O=C1N(C(=O)NC(C)C)CC(=O)N1C1=CC(Cl)=CC(Cl)=C1 ONUFESLQCSAYKA-UHFFFAOYSA-N 0.000 claims abstract description 127
- 239000005660 Abamectin Substances 0.000 claims abstract description 44
- RRZXIRBKKLTSOM-XPNPUAGNSA-N avermectin B1a Chemical compound C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 RRZXIRBKKLTSOM-XPNPUAGNSA-N 0.000 claims abstract description 31
- 241000244206 Nematoda Species 0.000 claims abstract description 24
- 239000004480 active ingredient Substances 0.000 claims abstract description 10
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- FTNJWQUOZFUQQJ-IRYYUVNJSA-N azadirachtin A Natural products C([C@@H]([C@]1(C=CO[C@H]1O1)O)[C@]2(C)O3)[C@H]1[C@]23[C@]1(C)[C@H](O)[C@H](OC[C@@]2([C@@H](C[C@@H]3OC(=O)C(\C)=C/C)OC(C)=O)C(=O)OC)[C@@H]2[C@]32CO[C@@](C(=O)OC)(O)[C@@H]12 FTNJWQUOZFUQQJ-IRYYUVNJSA-N 0.000 abstract 1
- FTNJWQUOZFUQQJ-NDAWSKJSSA-N azadirachtin A Chemical compound C([C@@H]([C@]1(C=CO[C@H]1O1)O)[C@]2(C)O3)[C@H]1[C@]23[C@]1(C)[C@H](O)[C@H](OC[C@@]2([C@@H](C[C@@H]3OC(=O)C(\C)=C\C)OC(C)=O)C(=O)OC)[C@@H]2[C@]32CO[C@@](C(=O)OC)(O)[C@@H]12 FTNJWQUOZFUQQJ-NDAWSKJSSA-N 0.000 abstract 1
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Abstract
The invention relates to a nematicide composition which comprises effective ingredients such as iprodione (A) and the other active ingredient (B) by mass ratio of 80:1-1:80, wherein (B) is fosthiazate, profenofos, avermectin, azadirachtin or dithiocyano-methane. In the invention, A is recomposed with B, thus having obvious synergistic effect. The composition is applied to pest control on crops such as fruit trees, cotton, wheat, paddy rape, vegetables, flowers and the like, especially for nematode control.
Description
Technical field
The present invention relates to a kind of composition pesticide, especially a kind of nematicidal composition that contains iprodione.
Background technology
Plant nematode mainly comprises: Meloidogyne (Meloidogyne), kidney shape Turbatrix (Rotylenchulus), cyst roundworm (Heterodera (Heterodera)), root spot nematode (Pratylenchidae belongs to (Pratykenchus)).Directly searching for food of nematode can significantly reduce the absorption of plant to nutrition and moisture, and the nematode plant that searches for food is caused wound, returns the phytopathogen invasion and provides convenience.
Nematode chemical control possibility is few at present, and the control nematode concentrates on substantially and prevents the invasion and attack of nematode to plant on the agricultural.Depend on phonamiphos, cadusafos, the contour malicious agricultural chemicals of carbofuran in the chemical control at present to a great extent, have very big environment secret worry, alternative low toxicity nematocide seldom.Iprodione is a kind of low toxicity bactericide, effective to a lot of fungal diseases, finds that now iprodione has certain activity of killing to Plant nematode, but iprodione uses separately, and effect is not ideal enough, and brings out nematode easily and produce resistance, is unfavorable for Sustainable Control.
Summary of the invention
The objective of the invention is to: the safety that contains iprodione, the synergy nematicidal composition that use on a kind of suitable agricultural, nematode had outstanding control efficiency are provided.
The inventor finds that iprodione and a kind of composition that is selected from fosthiazate, Profenofos, Avermectin, nimbin or dithiocyano-methane have synergistic effect when preventing and treating nematodosis, with only use independent active component and can obtainable control efficiency compare, mix and use, provide better control efficiency parasitic nematode.
The present composition has synergistic function, and therefore is specially adapted to prevent and treat the parasitic nematode in parasitic nematode and soil insect, especially cereal class, vegetables, fruit, the ornamental plants that endangers plant root.
A kind of nematicidal composition provided by the invention is characterized in that comprising iprodione (A) and another kind of active component (B), and described B is selected from any one in fosthiazate, Profenofos, Avermectin, nimbin and the dithiocyano-methane; Even a small amount of A or B be for realizing that Synergistic also is enough, and usually, A and B mass ratio are 80: 1-1: 80, preferred 50: 1-1: 50, most preferably 10: 1-1: 10.
The present composition can be prevented and treated on the plant such as various crops such as cotton, vegetables (as cucumber, beans, tomato, potato and cucurbitaceous plant), banana, coffee, corn, fruits, rice, wheat, barley, oat, rye, soybean, peanut, ornamental plants, sugarcane and the pest in the seed.
The present composition is particularly suitable for preventing and treating plant nematode, for example Pratylenchidae (Pratykenchusspp), similar similes thorne (Radopholous similis), fuller's teasel stem eelworm (Ditylenchusdipsaci), the nematode (Tylenchulus semipenetrans) of partly puncturing, Heterodera kind (Heterodera spp.), ball Heterodera kind (Globodera spp.), Meloidogyne kind (Meloidogyne spp.), kidney shape Turbatrix kind (Rotylenchulus spp.), Aphelenchoides kind (Aphelenchoides spp.), minute hand Turbatrix kind (Longidorus spp.), Xiphinema kind (Xiphinema spp.), burr Turbatrix kind (Trichodorus spp.), umbrella Aphelenchoides kind (Bursaphelenchus spp.).
Preferably the present composition is used to prevent and treat the nematodosis of oil crop such as cereal class, paddy rice, wheat, fruit tree, cotton, vegetables, soybean and peanut, flowers etc., as wheat root-knot nematode and cyst roundworm, oranges and tangerines root-knot nematode, cucumber root-knot nematode, soy bean cyst roundworm, capsicum root-knot nematode, peanut root-knot nematode etc.
The present composition can be prepared into known method and be fit to the formulation that agricultural is used, and the total content of active ingredient is 1%-90% in the preparation, preferred 5-80%, and all the other are the pesticide adjuvant composition.
Agricultural chemicals cooperative compositions of the present invention can be formulated as suspending agent, aqueous emulsion, microemulsion, missible oil, wetting powder, the water dispersible granules of spraying after can supplying to dilute or carrying out soil or seed treatment, also can be made into granule and directly use.
Control crop nematode preferred dosage form is a granule.
Preparation prepares in a known way, for example prepares by active component is mixed with solvent and/or carrier, if the words that need are used other pesticide adjuvant compositions such as emulsifier and dispersant.
Insecticide-applying way can take spraying, irritate root, soak root, soak seed, get rid of and execute, spread fertilizer over the fields, ditch spread, spread manuer in holes etc., preferred ditch spread during the control nematode, spread manuer in holes, irritate soil treatment such as root or soak root, seed soaking is handled.
Compared with prior art, the beneficial effect of nematicidal composition generation of the present invention is: (1) is compared with single agent, and synergy is obvious, has improved control efficiency, has enlarged insecticidal spectrum; (2) can significantly reduce the field dosage, reduce the possibility that causes poisoning, reduce and produce and use cost, and can effectively reduce environmental pollution and residue of pesticide; (3) mechanism of action of active ingredient is different in the nematicidal composition, has reduced the single selection pressure to nematode, helps overcoming the nematode resistance generation and delays the drug-fast generation speed of nematode; (4) nematicidal composition has good control efficiency to all kinds of nematodosis; (5) can doublely control some diseases simultaneously the control nematode.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention describes with following specific embodiment, but the present invention is only limited to these examples absolutely not.
The synergistic function of the present composition can illustrate by following test:
Biologicall test example: the composite toxicity test of iprodione and fosthiazate, Profenofos, Avermectin, nimbin or dithiocyano-methane to the capsicum root-knot nematode
Subjects: capsicum root-knot nematode (Meloidogyne incognita)
Evaluation method is the soup infusion method.Active component adds an amount of acetone solution on request, is diluted to the mother liquor of 10000ppm as testing liquid with purified water then.Then mother liquor is diluted to 2 times of concentration of experimental concentration, in each hole of 96 orifice plates, add 100 μ l respectively, and then add the root-knot nematode suspension of equivalent, place in the dark place under 25 ℃ one week the back with survival number of the nematode in each hole of microscopic counting and death toll.
The drug effect computational methods:
The expection effectiveness of mixture of active principles (be theoretical control efficiency, %) use Colby formula is determined and is compared with observed effectiveness:
Colby formula: E=X+Y-X*Y/100
E: the active components A working concentration is a in composition, and the compositions contemplated when active component B working concentration is b is renderd a service,
X: the effectiveness when the active components A using dosage is a,
Y: the effectiveness when active component B using dosage is b.
Explanation has synergistic effect when observed control efficiency surpasses the expection preventive effect.
Toxicity test result referring to table 1 to table 6.
The independent active component of table 1 is to the Toxicity Determination result of capsicum root-knot nematode
The composite Toxicity Determination result of table 2 iprodione and fosthiazate to the capsicum root-knot nematode
| Implement | Activity component concentration (ppm: ppm) in the mixture | Observed effectiveness (%) | The effectiveness of calculating (%) |
| 1 | Iprodione 800: fosthiazate 10 | 79.4 | 73.5 |
| 2 | Iprodione 200: fosthiazate 10 | 47.3 | 38.7 |
| 3 | Iprodione 500: fosthiazate 50 | 80.9 | 70.2 |
| 4 | Iprodione 500: fosthiazate 100 | 86.5 | 74.3 |
| 5 | Iprodione 100: fosthiazate 100 | 52.8 | 36.4 |
| 6 | Iprodione 200: fosthiazate 1000 | 94.6 | 84.2 |
| 7 | Iprodione 100: fosthiazate 1000 | 90.4 | 79.2 |
| 8 | Iprodione 50: fosthiazate 1000 | 84.8 | 76.4 |
| 9 | Iprodione 10: fosthiazate 800 | 53.5 | 47.7 |
Result of the test shows, the composite control of iprodione and fosthiazate capsicum root-knot nematode, and proportioning is 80: 1-1: in the time of between 80, all have synergistic effect.
The composite Toxicity Determination result of table 3 iprodione and Profenofos to the capsicum root-knot nematode
| Implement | Activity component concentration (ppm: ppm) in the mixture | Observed effectiveness (%) | The effectiveness of calculating (%) |
| 1 | Iprodione 800: Profenofos 10 | 77.5 | 73.5 |
| 2 | Iprodione 200: Profenofos 10 | 46.4 | 38.7 |
| 3 | Iprodione 500: Profenofos 50 | 78.3 | 68.9 |
| 4 | Iprodione 500: Profenofos 100 | 84.2 | 72.3 |
| 5 | Iprodione 100: Profenofos 100 | 50.3 | 31.4 |
| 6 | Iprodione 200: Profenofos 1000 | 92.4 | 81.2 |
| 7 | Iprodione 100: Profenofos 1000 | 87.1 | 75.2 |
| 8 | Iprodione 50: Profenofos 1000 | 83.8 | 71.8 |
| 9 | Iprodione 10: Profenofos 800 | 50.5 | 45.3 |
Result of the test shows, the composite control of iprodione and Profenofos capsicum root-knot nematode, and proportioning is 80: 1-1: in the time of between 80, all have synergistic effect.
Table 4 iprodione and abamectin compounded Toxicity Determination result to the capsicum root-knot nematode
| Implement | Activity component concentration (ppm: ppm) in the mixture | Observed effectiveness (%) | The effectiveness of calculating (%) |
| 1 | Iprodione 800: Avermectin 10 | 85.5 | 78.4 |
| 2 | Iprodione 200: Avermectin 10 | 59.9 | 50.1 |
| 3 | Iprodione 500: Avermectin 50 | 90.9 | 79.4 |
| 4 | Iprodione 50: Avermectin 10 | 50.3 | 25.2 |
| 5 | Iprodione 100: Avermectin 100 | 87.4 | 75.4 |
| 6 | Iprodione 10: Avermectin 50 | 49.1 | 36.8 |
| 7 | Iprodione 10: Avermectin 100 | 80.4 | 69.5 |
| 8 | Iprodione 10: Avermectin 200 | 89.8 | 78.9 |
| 9 | Iprodione 1: Avermectin 80 | 65.5 | 58.2 |
Result of the test shows, iprodione and abamectin compounded control capsicum root-knot nematode, and proportioning is 80: 1-1: in the time of between 80, all have synergistic effect.
The composite Toxicity Determination result of table 5 iprodione and nimbin to the capsicum root-knot nematode
| Implement | Activity component concentration (ppm: ppm) in the mixture | Observed effectiveness (%) | The effectiveness of calculating (%) |
| 1 | Iprodione 800: nimbin 10 | 87.5 | 81.8 |
| 2 | Iprodione 200: nimbin 10 | 65.8 | 57.8 |
| 3 | Iprodione 500: nimbin 50 | 97.8 | 87.9 |
| 4 | Iprodione 50: nimbin 10 | 57.2 | 36.8 |
| 5 | Iprodione 100: nimbin 100 | 96.7 | 87.2 |
| 6 | Iprodione 10: nimbin 50 | 72.5 | 62.9 |
| 7 | Iprodione 10: nimbin 100 | 91.7 | 84.2 |
| 8 | Iprodione 1: nimbin 20 | 58.4 | 49.7 |
| 9 | Iprodione 1: nimbin 80 | 85.8 | 76.5 |
Result of the test shows, the composite control of iprodione and nimbin capsicum root-knot nematode, and proportioning is 80: 1-1: in the time of between 80, all have synergistic effect.
The composite Toxicity Determination result of table 6 iprodione and dithiocyano-methane to the capsicum root-knot nematode
| Implement | Activity component concentration (ppm: ppm) in the mixture | Observed effectiveness (%) | The effectiveness of calculating (%) |
| 1 | Iprodione 800: dithiocyano-methane 10 | 86.5 | 78.6 |
| 2 | Iprodione 200: dithiocyano-methane 10 | 61.8 | 50.5 |
| 3 | Iprodione 500: dithiocyano-methane 50 | 95.8 | 86.3 |
| 4 | Iprodione 100: dithiocyano-methane 20 | 78.2 | 50.8 |
| 5 | Iprodione 100: dithiocyano-methane 100 | 91.7 | 83.3 |
| 6 | Iprodione 10: dithiocyano-methane 50 | 67.5 | 57.9 |
| 7 | Iprodione 10: dithiocyano-methane 100 | 90.7 | 79.3 |
| 8 | Iprodione 1: dithiocyano-methane 20 | 46.4 | 39.1 |
| 9 | Iprodione 1: dithiocyano-methane 80 | 78.8 | 70.5 |
Result of the test shows, the composite control of iprodione and dithiocyano-methane capsicum root-knot nematode, and proportioning is 80: 1-1: in the time of between 80, all have synergistic effect.
Bactericidal composition of the present invention can be prepared into known method and be fit to granule, suspending agent, aqueous emulsion, microemulsion, missible oil, wetting powder or the water dispersible granules that agricultural is used.Below describe with specific embodiment, percentage is mass percent in the prescription.Active component refers to iprodione and fosthiazate, Profenofos, Avermectin, nimbin or dithiocyano-methane in the present specification, active component is all by 100% purity meter, in the application of reality, convert according to used former medicine actual purity, difference is adjusted with filler or thinner, below repeats no more.
One, suspending agent processing and application example
The ratio of each component such as active component, wetting dispersing agent, thickener, carrier and water in prescription mixed, after grinding and/or high speed shear, obtain suspending agent.
Embodiment 1:16.2% iprodione Avermectin suspending agent
Iprodione 16%, Avermectin 0.2%, methyl naphthalene sulfonate formaldehyde condensate 10%, sodium lignosulfonate 10%, xanthans 1%, silicone oil 1%, glycerine 5%, water complements to 100%.
This embodiment is applied to prevent and treat the capsicum root knot nematode disease.16.2% iprodione Avermectin suspending agent is drenched ground by 800ga.i./ha (ga.i./ha refers to the per hectare effective ingredient consumption, below identical) consumption thin up, and the control efficiency of 10 days and 20 days is respectively 88.5%, 87.3% behind the medicine.25% iprodione suspending agent presses 1000ga.i./ha and 1.8% abamectin emulsifiable concentrate is pressed 80ga.i./ha, in kind uses.The preventive effect of 10 days and 20 days is respectively 58.1%, 54.2% behind the 25% iprodione suspending agent medicine; The preventive effect of 10 days and 20 days is respectively 64.7%, 60.6% behind the 1.8% abamectin emulsifiable concentrate medicine.Iprodione and the synergistic effect of abamectin compounded back are obvious, to the preventive effect of capsicum root-knot nematode significantly better than single agent.
Embodiment 2:24% iprodione Avermectin suspending agent
Iprodione 23%, Avermectin 1%, polyoxyethylene nonylphenol ether phosphate 8%, carboxymethyl cellulose 1%, white carbon 1%, glycerine 4%, water complements to 100%.
This embodiment is applied to prevent and treat tomato root-knot eelworm.24% iprodione Avermectin suspending agent is carried out root irrigation by the 450ga.i./ha thin up, and the control efficiency of 10 days and 20 days is respectively 93.5%, 90.2% behind the medicine.25% iprodione suspending agent presses 800ga.i./ha and 1.8% abamectin emulsifiable concentrate is pressed 100ga.i./ha, in kind uses, and the preventive effect of 10 days and 20 days is respectively 63.3%, 51.7% behind the 10% iprodione suspending agent medicine; The preventive effect of 10 days and 20 days is respectively 75.4%, 71.6% behind the 1.8% abamectin emulsifiable concentrate medicine.Investigation in 20 days is found simultaneously behind the medicine, and the damping off incidence of disease that 24% iprodione Avermectin suspending agent and 25% iprodione suspending agent are handled is below 1%, and the incidence of disease of 1.8% abamectin emulsifiable concentrate and blank is more than 5%, and difference is obvious.Iprodione and the synergistic effect of abamectin compounded back are obvious, and the preventive effect of tomato root-knot eelworm significantly better than single agent, and is singly used than having increased protection effect with Avermectin.
Two, aqueous emulsion processing and application example
Active component, solvent, emulsifier are added together, make and be dissolved into even oil phase; Under high-speed stirred, oil phase added in the entry mix, make aqueous emulsion.
Embodiment 3:20% iprodione Profenofos aqueous emulsion
Iprodione 15%, Profenofos 5%, N-Methyl pyrrolidone 10%, calcium dodecyl benzene sulfonate 5%, agricultural newborn 600# 5%, water complements to 100%.
This embodiment is applied to prevent and treat the cucumber root-knot nematode.20% iprodione Profenofos aqueous emulsion is pressed the 800ga.i./ha thin up drench ground, the control efficiency of 10 days and 20 days is respectively 89.7%, 86.3% behind the medicine.50% iprodione wettable powder presses 1200ga.i./ha and 40% Profenofos missible oil is pressed 1000ga.i./ha, in kind uses.The preventive effect of 10 days and 20 days is respectively 56.2%, 50.2% behind the 50% iprodione water dispersible granules medicine; The preventive effect of 10 days and 20 days is respectively 70.8%, 64.3% behind the 40% Profenofos missible oil medicine.The synergistic effect of the composite back of iprodione and Profenofos is obvious, to the preventive effect of cucumber root-knot nematode significantly better than single agent.
Three, microemulsion processing and application example
Active component, solvent, cosolvent, emulsifier are added together, make and be dissolved into even oil phase; Water-soluble substances is added in the entry, even water in the dissolving, under agitation that oil phase is mixed with water evenly, make microemulsion.
Embodiment 4:5% iprodione micro nimbin emulsion
Iprodione 4%, nimbin 1%, N-Methyl pyrrolidone 10%, isopropyl alcohol 10%, agricultural newborn 500# 5%, agricultural newborn 1601# 5%, water complements to 100%.
This embodiment is applied to prevent and treat peanut root-knot nematode.By the seed soaking of active ingredient 10g/100 kilogram seed thin up, control efficiency can reach 87.2% with 5% iprodione micro nimbin emulsion.25% iprodione suspending agent is pressed active ingredient 4g/100 kilogram seed by active ingredient 80g/100 kilogram seed and 0.7% nimbin emulsion, in kind uses, and 25% iprodione suspending agent preventive effect is 50.7%; 0.7% nimbin emulsion preventive effect is 81.3%.The synergistic effect of the composite back of iprodione and nimbin is obvious, to the preventive effect of peanut root-knot nematode significantly better than single agent.
Embodiment 5:1.1% iprodione avermectin micro-emulsion
Iprodione 0.1%, Avermectin 1%, N-Methyl pyrrolidone 10%, isopropyl alcohol 10%, agricultural newborn 500# 5%, agricultural newborn 1601# 5%, water complements to 100%.
This embodiment is applied to prevent and treat soy bean cyst roundworm.1.1% iprodione avermectin micro-emulsion is pressed 100ga.i./ha consumption thin up irritate root, the control efficiency of 10 days and 20 days is respectively 84.7%, 81.3% behind the medicine.25% iprodione suspending agent presses 800ga.i./ha and 1.8% abamectin emulsifiable concentrate is pressed 150ga.i./ha, in kind uses, and the preventive effect of 10 days and 20 days is respectively 60.4%, 55.3% behind the 25% iprodione suspending agent medicine; The preventive effect of 10 days and 20 days is respectively 70.1%, 68.4% behind the 1.8% abamectin emulsifiable concentrate medicine.Iprodione and the synergistic effect of abamectin compounded back are obvious, to the preventive effect of soy bean cyst roundworm significantly better than single agent.
Four, missible oil processing and application example
Active component, solvent, emulsifier are added in the mixing kettle successively in the ratio of prescription, stir, make missible oil.
Embodiment 6:21% iprodione dithiocyano-methane missible oil
Iprodione 20%, dithiocyano-methane 1%, N-Methyl pyrrolidone 10%, agricultural newborn 1601# 5%, agricultural newborn 500# 5%, calcium dodecyl benzene sulfonate 3%, dimethylbenzene complements to 100%.
This embodiment is applied to the balsam pear root-knot nematode.Transplant after extraordinarily root 12h is soaked in water dilution by 800 with 21% iprodione dithiocyano-methane missible oil, the control efficiency of 10 days and 20 days is respectively 88.8%, 87.4% behind the medicine.50% iprodione wettable powder by 1000 times and 10% dithiocyano-methane missible oil by 500 times, use in kind.The preventive effect of 10 days and 20 days is respectively 63.9%, 58.5% behind the 50% iprodione wettable powder medicine; The preventive effect of 10 days and 20 days is respectively 78.7%, 72.4% behind the 10% dithiocyano-methane missible oil medicine.The synergistic effect of the composite back of iprodione and dithiocyano-methane is obvious, to the preventive effect of balsam pear root-knot nematode significantly better than single agent.
Five, wetting powder processing and application example
Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get wetting powder.
Embodiment 7:40.5% iprodione fosthiazate wetting powder
Iprodione 0.5%, fosthiazate 40%, lauryl sodium sulfate 2%, sodium lignin sulfonate 5%, naphthalene sulfonate 3%, kaolin complements to 100%.
This embodiment is applied to the romaine lettuce root-knot nematode.40.5% iprodione fosthiazate wetting powder is pressed 1200ga.i./ha consumption thin up drench ground, the control efficiency of 10 days and 20 days is respectively 83.6%, 79.3% behind the medicine.50% iprodione wettable powder presses 700ga.i./ha and 20% fosthiazate missible oil is pressed 2000ga.i./ha, in kind uses.The preventive effect of 10 days and 20 days is respectively 60.1%, 55.2% behind the 50% iprodione wettable powder medicine; The preventive effect of 10 days and 20 days is respectively 74.4%, 70.3% behind the 20% fosthiazate missible oil medicine.The synergistic effect of the composite back of iprodione and fosthiazate is obvious, to the preventive effect of romaine lettuce root-knot nematode significantly better than single agent.
Six, water dispersible granules processing and application example
Active component, dispersant, wetting agent, disintegrant and the filler ratio in prescription is mixed, become wetting powder, add a certain amount of water mixing extruding again and make material through comminution by gas stream.Obtain water dispersible granules after the drying screening.
Embodiment 8:51% iprodione water dispersed nimbin granule
Iprodione 50%, nimbin 1%, Negel 4%, sodium lignin sulfonate 2%, lauryl sodium sulfate 5%, sulfuric acid amine 2%, kaolin complements to 100%.
This embodiment is applied to prevent and treat the tobacco root-knot nematode.51% iprodione water dispersed nimbin granule is pressed the 700ga.i./ha thin up drench ground, the control efficiency of 10 days and 20 days is respectively 93.9%, 90.2% behind the medicine.50% iprodione wettable powder is pressed 800ga.i./ha, and 0.7% nimbin emulsion is pressed 60ga.i./ha, in kind uses.The preventive effect of 10 days and 20 days is respectively 60.2%, 53.1% behind the 50% iprodione wettable powder medicine; The preventive effect of 10 days and 20 days is respectively 70.6%, 61.4% behind the 0.7% nimbin emulsion medicine.The synergistic effect of the composite back of iprodione and nimbin is obvious, to the preventive effect of tobacco root-knot nematode significantly better than single agent.
Seven, granule processing and application example
Active component, other auxiliary element are mixed successively in the ratio of prescription, and dressing makes granule
Embodiment 9:5% iprodione Avermectin granule
Iprodione 4%, Avermectin 1%, white carbon 2%, adhesive 1%, colouring agent 0.5%, granular calcium carbonate complements to 100%.
This embodiment is applied to prevent and treat the oranges and tangerines root-knot nematode.5% iprodione Avermectin granule is pressed the 500g.a.i/ha ditch spread handle, the control efficiency of 10 days and 20 days is respectively 89.9%, 87.4% behind the medicine.8% iprodione granule is pressed 800g.a.i/ha, and 0.5% Avermectin granule is pressed 200g.a.i/ha, in kind uses, and the preventive effect of 10 days and 20 days is respectively 61.7%, 55.4% behind the 8% iprodione granule medicine; The preventive effect of 10 days and 20 days is respectively 75.4%, 70.5% behind the 0.5% Avermectin granule medicine.Iprodione and the synergistic effect of abamectin compounded back are obvious, to the preventive effect of oranges and tangerines root-knot nematode significantly better than single agent.
Embodiment 10:6% iprodione fosthiazate granule
Iprodione 2%, fosthiazate 4%, adhesive 1%, colouring agent 0.5%, dispersant 0.5%, silica sand complements to 100%.
This embodiment is applied to prevent and treat root-knot nematode.6% fosthiazate fosthiazate granule is pressed the ditch spread of 1200g.a.i/ha consumption handle, the control efficiency of 10 days and 20 days is respectively 90.9%, 83.7% behind the medicine.5% iprodione granule is pressed 1000g.a.i/ha, and 10% fosthiazate granule is pressed 1500g.a.i/ha, in kind uses.The preventive effect of 10 days and 20 days is respectively 66.2%, 60.1% behind the 5% iprodione granule medicine; The preventive effect of 10 days and 20 days is respectively 75.6%, 70.4% behind the 10% fosthiazate granule medicine.The synergistic effect of the composite back of iprodione and fosthiazate is obvious, to the preventive effect of root-knot nematode significantly better than single agent.
Claims (5)
1. nematicidal composition is characterized in that: contain active ingredient iprodione (A) and another kind of composition (B) in the composition, (B) be Avermectin, active ingredient (A) is 80 with (B) mass ratio: 1-1: 80.
2. according to the described nematicidal composition of claim 1, it is characterized in that: active ingredient (A) and mass ratio (B) are 50: 1-1: 50.
3. according to the described nematicidal composition of claim 1, it is characterized in that: active ingredient (A) and mass ratio (B) are 10: 1-1: 10.
4. the described nematicidal composition of claim 1 is used to prevent and treat the crop pest.
5. the described nematicidal composition of claim 1 is used to prevent and treat crop nematode, soil insect.
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| CN102204564B (en) * | 2011-04-27 | 2013-10-23 | 成都科利隆生化有限公司 | Pesticide composition containing fosthiazate and carbosulfan |
| CN102365974B (en) * | 2011-10-28 | 2013-04-03 | 海南正业中农高科股份有限公司 | Agricultural composition for nematode control and application thereof |
| WO2014007265A1 (en) * | 2012-07-03 | 2014-01-09 | 石原産業株式会社 | Pesticidal composition and pest control method |
| CN102934639B (en) * | 2012-11-26 | 2014-02-26 | 海南正业中农高科股份有限公司 | Dithiocyano-methane/organophosphorus pesticide composition |
| CN102960359B (en) * | 2012-11-26 | 2014-07-09 | 海南正业中农高科股份有限公司 | Composition of dithiocyano-methane and macrolide insecticide component |
| GB2550089B (en) * | 2013-05-07 | 2018-02-14 | Jiangsu Rotam Chemistry Co Ltd | Agrochemical composition, method for its preparation and the use thereof |
| GB2513859B (en) * | 2013-05-07 | 2018-01-17 | Rotam Agrochem Int Co Ltd | Agrochemical composition, method for its preparation and the use thereof |
| CN103798283A (en) * | 2014-02-19 | 2014-05-21 | 罗晓丹 | Nematicide containing azadirachtin and lythidathion |
| CN105557728B (en) * | 2014-10-10 | 2017-09-19 | 四川利尔作物科学有限公司 | Composition pesticide and its application |
| CN104839226A (en) * | 2015-03-04 | 2015-08-19 | 山东科大创业生物有限公司 | Combined nematicide |
| CN104621169B (en) * | 2015-03-04 | 2017-01-04 | 山东科大创业生物有限公司 | A kind of nematicide combination preparation |
| CN104824004A (en) * | 2015-04-16 | 2015-08-12 | 广东中迅农科股份有限公司 | Pesticide composition containing iprodione and flonicamid |
| CN105104423B (en) * | 2015-09-30 | 2017-08-22 | 江苏丘陵地区镇江农业科学研究所 | It is a kind of to contain fosthiazate and the rice seed soaking medicament of metconazole and its application |
| CN105766293B (en) * | 2016-03-10 | 2019-04-09 | 云南省烟草公司昆明市公司 | A method of prevention and treatment smoking mixture root knot nematode disease |
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