CN104770391A - Pesticide composition for preventing and controlling capsicum meloidogyne - Google Patents
Pesticide composition for preventing and controlling capsicum meloidogyne Download PDFInfo
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- CN104770391A CN104770391A CN201510186236.3A CN201510186236A CN104770391A CN 104770391 A CN104770391 A CN 104770391A CN 201510186236 A CN201510186236 A CN 201510186236A CN 104770391 A CN104770391 A CN 104770391A
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- clothianidin
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- knot nematode
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Abstract
The invention relates to a pesticide composition for preventing and controlling capsicum meloidogyne. Fluopyram and clothianidin are used as active ingredients. The composition of the fluopyram and the clothianidin has a synergetic effect on the capsicum meloidogyne, improves the prevention and control effect, and delays resistance of the meloidogyne.
Description
Technical field
The invention belongs to composition pesticide technical field, relating to active ingredient fluorine pyrrole bacterium acid amides and clothianidin combines for preventing and treating capsicum root-knot nematode, improve actual control efficiency.
Background technology
Root-knot nematode (Meloidogyne) is a kind of omnivorousness pathogenic root-knot nematode of height specialized form.Root-knot nematode is mainly caused harm the root of various vegetables, shows as side root and fibrous root compared with normal increases, and on the fibrous root of young root, form the white root nodule that spherical or taper shape differs in size, have in beads shape.Short and small, slow, the leaf color anomaly of killed strain overground part growth, result is few, yields poorly, and even causes plant dead ahead of time.Root-knot nematode can also cause fungus and bacterium venereal disease evil, as root diseases such as fusarium wilt, damping off, root rot, soft rot.
Fluorine pyrrole bacterium acid amides (fluopyram), for pyridine ethyl benzamide series bactericidal agent, this product wide spectrum, the disease that gray mold (Botrytis cinerea), powdery mildew, stalk break (Sclerotinia spp) and Mycotoruloides (Moniliaspp) for preventing and kill off in 70 various crop comprising grape, pears and drupe, vegetables and field crop etc. cause.
Clothianidin (clothianidin), it is a kind of insecticide in anabasine, it is a class highly effective and safe, the novel pesticide of high selectivity, its effect is similar with nAChR, have and tag, stomach toxicity and systemic activity, be mainly used in paddy rice, vegetables, fruit tree and other crops prevent eliminating aphis, leafhopper, thrips, the Semipteras such as plant hopper, coleoptera, the insecticide of diptera and some Lepidoptera class pest, have efficient, wide spectrum, consumption is few, toxicity is low, the drug effect lasting period is long, to crop without poisoning, use safety, with conventional pesticide without advantages such as cross resistances, there are remarkable interior suction and osmosis, it is the another kind of alternative high-toxic organic phosphorus agricultural chemicals.Its novel structure, special, performance is more excellent compared with traditional nicotinic insecticide, and likely become international large-scale insecticide variety.
By compound to target organisms determination of activity and different cultivars combination, be exploitation agricultural chemicals, improve control efficiency, delay disease, worm, crop smothering resistance one of effective ways.The present inventor conducts in-depth research fluorine pyrrole bacterium acid amides, clothianidin and combination thereof, discovery fluorine pyrrole bacterium acid amides, clothianidin have better activity to capsicum root-knot nematode, fluorine pyrrole bacterium acid amides and clothianidin carry out mixture, there is obvious synergistic effect in certain mixed ratio scope to capsicum root-knot nematode, effectively can improve control capsicum root-knot nematode effect.After further study, the present invention is completed.
Fluorine pyrrole bacterium acid amides and clothianidin mixture there is no report at present for preventing and treating capsicum root-knot nematode.
Summary of the invention
The object of the present invention is to provide a kind of composition pesticide containing fluorine pyrrole bacterium acid amides and clothianidin capsicum root-knot nematode to greater activity, improve actual control efficiency, effectively delay pepper root knot nematode resistance and produce.
Invention technical scheme: a kind of composition pesticide for preventing and treating root-knot nematode, active ingredient is fluorine pyrrole bacterium acid amides and clothianidin, the ratio of weight and number of fluorine pyrrole bacterium acid amides and clothianidin is 20:1 ~ 1:20, fluorine pyrrole bacterium acid amides and clothianidin weight summation percentage by weight are in the composition 0.01% ~ 20%, and all the other are auxiliary agent.
Bactericidal composition of the present invention can select suitable auxiliary agent, according to well known to a person skilled in the art method, is processed into the application forms of the applicable agricultural use such as suspending agent, granule
Described auxiliary agent pulls open powder, lauryl sodium sulfate, aliphatic alcohol polyethenoxy (6-7) ether, aerosol-OT salt, Morwet EFW, Petro AA, epoxidized soybean oil, epoxychloropropane, BHA, BHT, PG, TBHQ, NNO, MF, sodium lignin sulfonate, calcium lignosulfonate, LS, M-9, Tamol NN, D-1001, D-1002, D-1003, D-1005, Morwet D-425, DispersantReax 85A, 2700, SOPA-270, YUS-WG4,207K, RXB, 601P, xanthans, aluminium-magnesium silicate, bentonite, white carbon, citric acid, lactic acid, tartaric acid, phosphoric acid, metatartaric acid, acetic acid, hydrochloric acid, hexanedioic acid, fumaric acid, sodium hydroxide, potash, sodium carbonate, sodium chloride, sodium citrate, potassium citrate, sodium sesquicarbonate, sodium dihydrogen citrate, silicone oil, polyethers, higher alcohol, mineral oil, vegetable oil, the ninth of the ten Heavenly Stems (pungent) base phenol polyethenoxy ether, soap salt, op series etc., TWEEN Series, this coils series, aliphatic hydrocarbon, aromatic hydrocarbon, oxo solvent, methyl alcohol, ethanol, isopropyl alcohol, ethylene glycol, propane diols, diethylene glycol (DEG), butyl glycol ether, propandiol butyl ether, 2-Butoxyethyl acetate, carrene, 1,1-dichloroethane, 1,2 one dichloroethane, dimethyl sulfoxide (DMSO), formamide, calcium chloride, sodium acetate, magnesium chloride, polyvinyl alcohol, polyvinylpyrrolidone, mylar, acrylic acid synthetic polymer, acrylic resin, butadiene resin, polyurethane, cellulose nitrate, kaolin, attapulgite, brick is cut, Shi Ying is husky, the one or more combination of stone flour.
Described auxiliary agent has the effects such as wetting, stable, dispersion, thickening, pH value adjustment, defoamer, antifreeze, filling.
The present composition for preventing and treating crops root-knot nematode, especially capsicum root-knot nematode.
Present composition occupation mode is spread fertilizer over the fields or waters, and frequency of utilization and usage amount change with weather conditions and the change of root knot root-knot nematode situation of the harm, can by the object using suitable dosage to reach control.
Compared with prior art, the invention has the advantages that: 1, after fluorine pyrrole bacterium acid amides and clothianidin mixture, there is obvious synergistic effect, improve control efficiency.2, after fluorine pyrrole bacterium acid amides and clothianidin mixture, the shortcoming that single use easily produces resistance can be overcome, delay the drug-fast generation of damage by disease and insect, extend medicament service life.3, after fluorine pyrrole bacterium acid amides and clothianidin mixture, drug effect significantly improves, and reduces Pesticide use amount, reduces drug cost, decreases agricultural chemicals to the infringement of ecotope and pollution.
Embodiment
In order to understand essence of the present invention better, below in conjunction with embodiment, content of the present invention is described in further detail, content mentioned in embodiment is not limitation of the invention, and in preparation method, the selection of the process conditions such as temperature, time can be suited measures to local conditions and there is no substantial effect to result.
Embodiment 1: fluorine pyrrole bacterium acid amides, clothianidin and mixture thereof are tested the indoor biometrics of capsicum root-knot nematode.
Test method: get by the capsicum root system of seriously causing harm, running water is rinsed well gently, with the milky egg capsule on dissecting needle gently picking old complaint, put into the little culture dish of diameter 6cm, add a small amount of sterile water, in 25 DEG C of insulating boxs, hatch 3 ~ 4d, collect 2 instar larvaes, and adding sterile water, to be mixed with the suspension of finite concentration (about 500/milliliter) for subsequent use.
Setting 5 concentration gradient process, take sterile water as blank.Get 96 porocyte culture plates, every hole adds medicament 150 microlitre of the variable concentrations prepared, add isopyknic root-knot nematode suspension again, under 25 DEG C of conditions, moisturizing is cultivated, difference different time after treatment checks the amount of survival of root knot root-knot nematode 2 instar and dead quantity, root-knot nematode is stiff motionless for dead worm, and root-knot nematode is the worm that lives in bending wriggling state.Calculate lethality and corrected mortality.
According to survey data, calculate the corrected mortality of each process.And adopt the abundant method of Sun Yun to calculate the co-toxicity coefficient (CTC value) of mixture with reference to NY/T1154.1-2006.If contrast lethality < 5%, does not correct; Contrast lethality, between 5%-20%, corrects; Contrast lethality > 20%, test need be reformed.Be independent variable x with the logarithm value of drug concentration (mg/L), with the probit value of corrected mortality for dependent variable y, set up virulence regression equation formula respectively, adopt DPS software to calculate the LC of single dose and each proportioning mixture
50, LC
90and mixture co-toxicity coefficient, compare synergy situation.According to the NY/T11547.7-2006 insecticide combination effect criteria for classifying: co-toxicity coefficient (CTC value) >=120 shows as synergistic effect; Co-toxicity coefficient (CTC value)≤120 shows as antagonism; 80 < co-toxicity coefficients (CTC value) < 80 shows as summation action.
Measurement result shows, fluorine pyrrole bacterium acid amides and the composite proportioning 20:1 of clothianidin, 10:1,1:1,1:10,1:20, to root knot root-knot nematode co-toxicity coefficient (CTC value) >=120, illustrate that fluorine pyrrole bacterium acid amides and clothianidin mixture are synergistic effect to root-knot nematode.
Table 1, fluorine pyrrole bacterium acid amides, clothianidin and mixture thereof are to the bioassay results of root-knot nematode.
Embodiment 2:2% fluorine pyrrole bacterium acid amides clothianidin granule.
Above-mentioned material is mixed in airtight compounding kettle, and the granulation of coating method, is dried to particle water content 1% under 120 DEG C of conditions, screening, particle size range 2000 microns (μm), through after the assay was approved, namely obtains 2% fluorine pyrrole bacterium acid amides clothianidin granule.
Embodiment 3:20% fluorine pyrrole bacterium acid amides clothianidin suspending agent.
Above-mentioned material is pulverized in proportion in advance, then adds in sand mill and grind, the obtained 20% fluorine pyrrole bacterium acid amides clothianidin suspending agent of allotment after high shear mixing.
Embodiment 4: the control capsicum root-knot nematode test of pesticide effectiveness.
Test medicine: (1) 20% fluorine pyrrole bacterium acid amides clothianidin suspending agent (10% fluorine pyrrole bacterium acid amides: 10% clothianidin), (2) 41.7% fluorine pyrrole bacterium amide suspending agents (contrast medicament), (3) 20% clothianidin suspending agents (contrast medicament).
Use age: capsicum is transplanted latter 7 days.
Using method: be watered filling root.
Result of the test: in table 2, as can be seen from the test results: after dispenser 30 days, 50 days, composition pesticide 20% fluorine pyrrole bacterium acid amides clothianidin suspending agent of the present invention is significantly better than 41.7% fluorine pyrrole bacterium amide suspending agents, 20% clothianidin suspending agent single dose, illustrate that the present invention 20% fluorine pyrrole bacterium acid amides clothianidin suspending agent improves actual control efficiency, reduce dosage, effectively administer the anti-generation of root-knot nematode.
The field control effectiveness test result of table 2, control capsicum root knot root-knot nematode.
Claims (7)
1. for preventing and treating a composition pesticide for capsicum root knot root-knot nematode, it is characterized in that: active ingredient is fluorine pyrrole bacterium acid amides and clothianidin, and all the other are auxiliary agent.
2. a kind of composition pesticide for preventing and treating capsicum root knot root-knot nematode according to claim 1, is characterized in that: the ratio of weight and number of fluorine pyrrole bacterium acid amides and clothianidin is 20:1 ~ 1:20.
3. a kind of composition pesticide for preventing and treating capsicum root knot root-knot nematode according to claim 1, is characterized in that: fluorine pyrrole bacterium acid amides and the clothianidin weight summation percentage by weight accounted in composition are 0.01% ~ 20%.
4. a kind of composition pesticide for preventing and treating capsicum root knot root-knot nematode according to claim 1, is characterized in that: described composition is prepared into the one of granule, suspending agent according to known agricultural chemicals technique.
5. a kind of composition pesticide for preventing and treating capsicum root knot root-knot nematode according to claim 4, is characterized in that: described granule composition is fluorine pyrrole bacterium acid amides 1.5%, clothianidin 0.5%, attapulgite 3.0%, mylar 2.2%, citric acid 3.0%, rose-red 1%; Quartz sand supplements foot to 100%.
6. a kind of composition pesticide for preventing and treating capsicum root knot root-knot nematode according to claim 4, it is characterized in that: described suspending agent composition is fluorine pyrrole bacterium acid amides 10%, clothianidin 10%, agriculture breast 300#7%, mineral oil 4%, calcium lignosulfonate 4%, propane diols 5%, NNO 5%, aluminium-magnesium silicate 2%, organosilicon 4%, deionized water is supplemented to 100%.
7. a kind of composition pesticide for preventing and treating capsicum root knot root-knot nematode according to any one of claim 1 ~ 6 is to prevent and treat the application in capsicum root-knot nematode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510186236.3A CN104770391A (en) | 2015-04-16 | 2015-04-16 | Pesticide composition for preventing and controlling capsicum meloidogyne |
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| CN201510186236.3A CN104770391A (en) | 2015-04-16 | 2015-04-16 | Pesticide composition for preventing and controlling capsicum meloidogyne |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113647396A (en) * | 2021-09-07 | 2021-11-16 | 四川眉山凯尔化工有限公司 | Composition for killing nematodes and preparation method thereof |
| CN114831132A (en) * | 2022-06-09 | 2022-08-02 | 遵义市农业科学研究院 | Pesticide for preventing and treating cayenne root-knot nematode and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101484007A (en) * | 2006-07-06 | 2009-07-15 | 拜尔农作物科学股份公司 | Pesticidal composition comprising a pyridylethylbenzamide derivative and an insecticide compound |
| CN103281900A (en) * | 2010-12-01 | 2013-09-04 | 拜耳知识产权有限责任公司 | Use of fluopyram for controlling nematodes in crops and for increasing yield |
| CN103298341A (en) * | 2010-09-22 | 2013-09-11 | 拜耳知识产权有限责任公司 | Use of active ingredients for controlling nematodes in nematode-resistant crops |
-
2015
- 2015-04-16 CN CN201510186236.3A patent/CN104770391A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101484007A (en) * | 2006-07-06 | 2009-07-15 | 拜尔农作物科学股份公司 | Pesticidal composition comprising a pyridylethylbenzamide derivative and an insecticide compound |
| CN103298341A (en) * | 2010-09-22 | 2013-09-11 | 拜耳知识产权有限责任公司 | Use of active ingredients for controlling nematodes in nematode-resistant crops |
| CN103281900A (en) * | 2010-12-01 | 2013-09-04 | 拜耳知识产权有限责任公司 | Use of fluopyram for controlling nematodes in crops and for increasing yield |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113647396A (en) * | 2021-09-07 | 2021-11-16 | 四川眉山凯尔化工有限公司 | Composition for killing nematodes and preparation method thereof |
| CN114831132A (en) * | 2022-06-09 | 2022-08-02 | 遵义市农业科学研究院 | Pesticide for preventing and treating cayenne root-knot nematode and preparation method thereof |
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Application publication date: 20150715 |