CN110100826B - Compound composition for preventing and treating pests of cruciferous vegetables - Google Patents
Compound composition for preventing and treating pests of cruciferous vegetables Download PDFInfo
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- CN110100826B CN110100826B CN201910421182.2A CN201910421182A CN110100826B CN 110100826 B CN110100826 B CN 110100826B CN 201910421182 A CN201910421182 A CN 201910421182A CN 110100826 B CN110100826 B CN 110100826B
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- fluopyram
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
Abstract
The invention relates to a compound composition for preventing and treating pests of cruciferous vegetables, and belongs to the technical field of pesticides. The active ingredients of the compound composition comprise fluopyram and cyantraniliprole, and the weight ratio of the fluopyram to the cyantraniliprole is 1: 30-50: 1. The compound combination of the invention is compounded by fluopyram and cyantraniliprole in a reasonable range, has good control effect on various pests, achieves the effect of controlling diseases and insect pests, and particularly has good effect on controlling flea beetle, cabbage root knot nematode and cabbage root rot.
Description
Technical Field
The invention belongs to the technical field of pesticides, and relates to a compound composition for preventing and treating pests of cruciferous vegetables.
Background
The cruciferous vegetables are the vegetables with the largest variety and the largest cultivation area, have the largest categories of pests and diseases and the strongest pests, and are one of the main restriction factors for the production of the cruciferous vegetables; on one hand, the roots of cruciferous vegetables are seriously damaged by the soil pests such as grubs, wireworms, mole crickets, cutworms and the like in the seedling stage, so that the whole plants wither, lack seedlings and break ridges; the seedlings have rampant aphid, mite and flea beetle, and the vegetable plants can wither and die particularly when the seedlings encounter drought, so that the survival of the vegetable seedlings is threatened; on the other hand, the cruciferous vegetables are seriously damaged by the soil-borne diseases such as damping-off, root rot and damping-off, and the soil-borne diseases are easy to spread, so that the control of the diseases of the cruciferous vegetables is extremely difficult.
The pesticide preparation containing a single active component is difficult to control pests and diseases simultaneously in the pest control of cruciferous vegetables, has certain defects, not only enables pests and pathogenic bacteria to easily generate drug resistance after being continuously used for many times, but also easily causes pollution to the cruciferous vegetables and the environment, and can overcome the defects through reasonable mixing of the single active component. Therefore, the compound composition which can prevent and control the pests of the cruciferous vegetables and the diseases of the cruciferous vegetables is developed, under the reasonable compound condition, the effective components generate the synergistic effect, the prevention effect can be improved, the using amount of the effective components is reduced, the cost is saved, the generation of resistance is delayed, and the pollution of pesticides to the cruciferous vegetables and the environment can be further reduced or even avoided.
Disclosure of Invention
Aiming at the defects of the problems, the invention provides the compound composition for preventing and treating the pests of the cruciferous vegetables, which can prevent and treat the pests of the cruciferous vegetables and the diseases, has obvious synergistic effect and is safe to crops.
The invention also aims to provide application of the compound composition to prevention or control of pests of cruciferous vegetables, wherein the pests include but are not limited to phyllotreta striolata, cutworm, wireworm, grub, mole cricket, aphid, asparagus caterpillar, cabbage caterpillar, diamond back moth, root-knot nematode, damping off, root rot, damping-off, gray mold and powdery mildew.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the compound composition for preventing and treating pests of cruciferous vegetables comprises active ingredients including fluopyram and cyantraniliprole, wherein the weight ratio of the fluopyram to the cyantraniliprole is 1: 30-50: 1.
Preferably, the weight ratio of the fluopyram to the cyantraniliprole is 1: 15-30: 1, more preferably 1: 10-18: 1, and most preferably 2:3, 6:7, 4:5, 1:2, 7:5, and 1: 4.
The compound composition provided by the invention has the active ingredients of 5-55% of the sum of the weight of the fluopyram and the cyantraniliprole in the composition.
Preferably, the total weight of the fluopyram and the cyantraniliprole in the composition is 10-30% by weight.
The compound composition provided by the invention also comprises other agriculturally acceptable auxiliaries, and the compound composition is prepared into any dosage form suitable for agricultural production by using a conventional pesticide preparation processing method.
Preferably, the dosage form includes, but is not limited to, a suspended seed coating, granules, suspoemulsion, aqueous dispersion, or wettable powder.
Preferably, the auxiliary agents include, but are not limited to, wetting agents, dispersants, emulsifiers, binders, coating agents, antifoaming agents, antifreezing agents, stabilizers, preservatives, disintegrants, thickeners, dyes, pH adjusters, fillers.
The wetting agent is selected from one or more of dioctyl sulfosuccinate, polyoxyethylene alkyl aryl ether phosphate, trisiloxane polyoxyethylene ether, tristyrylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, oleoyl methyl sodium taurate, polyoxyethylene lauryl ether sodium carboxylate, sodium lauroyl sarcosinate, N-lauroyl sodium glutamate, dioctyl sulfosuccinate, polyoxyethylene alkyl aryl ether phosphate, trisiloxane polyoxyethylene ether, and the like.
The dispersant is selected from one or more of dodecyl trimethyl ammonium salt, alkyl dimethyl benzyl ammonium salt, polyoxyethylene dodecyl ether phosphate, polycarboxylate, lignosulfonate, alkyl naphthalene sulfonate, alkylphenol polyoxyethylene, polyoxyethylene lanolin alcohol, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene glyceryl monofatty acid ester, alkylolamide, polyoxyethylene alkylamine and the like.
The emulsifier is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, calcium dodecyl benzene sulfonate, nonylphenol polyoxyethylene ether phosphate amine salt, castor oil polyoxyethylene ether phosphate amine salt and the like.
The binder is selected from one or more of polyvinyl alcohol, soluble starch, xanthan gum, sucrose, hydroxyethyl cellulose, soluble starch, polyethylene glycol, methyl cellulose, viscous kaolin, attapulgite, paraffin and the like.
The coating agent is selected from one or more of polyvinyl alcohol, polyvinylpyrrolidone, polyester resin, acrylic acid synthetic polymer, acrylic acid resin film forming agent, butadiene resin film forming agent, polyurethane film forming agent and nitrocellulose film forming agent.
The defoaming agent can be selected from silicone oil, silicone compounds and C10-20Saturated fatty acid compound, C8-10One of aliphatic alcohol, hexanol, butanol, octanol, etcOr a plurality thereof.
The antifreeze can be one or more selected from ethylene glycol, propylene glycol, glycerol, etc.
The stabilizer can be one or more of triphenyl phosphite, N-soybean oil-based trimethylene diamine, dialkyl succinate sulfonate, epichlorohydrin, butyl glycidyl ether and the like.
The preservative can be one or more of benzoic acid, sodium benzoate and the like.
The disintegrating agent can be one or more of sodium carboxymethyl starch, urea, sodium sulfate, calcium sulfate, sodium bicarbonate, ammonium sulfate, magnesium chloride, sodium chloride, bentonite, etc.
The thickener can be one or more selected from acacia, xanthan gum, gelatin, polyvinyl alcohol, polyvinyl acetate, magnesium aluminum silicate, sodium alginate, sodium carboxymethylcellulose, etc.
The dye can be selected from one of permanent red, disperse blue, disperse violet, active red, active blue and active yellow.
The pH regulator can be one or more of ammonium hydroxide, potassium hydroxide, sodium hydroxide, hydrochloric acid, acetic acid, citric acid, phosphoric acid, etc.
The filler can be one or more of white carbon black, urea, sodium sulfate, ammonium sulfate, kaolin, light calcium carbonate, bentonite, diatomite and the like.
The compound composition disclosed by the invention is used for preventing or controlling pests of cruciferous vegetables.
Preferably, the cruciferous vegetable pest is phyllotreta striolata, cabbage root knot nematode disease or cabbage root rot disease.
Compared with the prior art, the invention has the beneficial effects that:
(1) the compound combination disclosed by the invention is compounded by fluopyram and cyantraniliprole in a reasonable range, has a good control effect on various pests, achieves the effect of controlling diseases and insect pests, and particularly has a remarkable effect of controlling flea beetles, cabbage root knot nematodes and cabbage root rot.
(2) The compound combination has obvious synergistic effect, reduces the use amount of the effective components of the pesticide preparation and reduces the pollution to the environment.
(3) The compound combination can well solve the problems of rampant cruciferous vegetable insect pests and difficult disease control, and can remarkably improve the quality and the yield of the cruciferous vegetables.
(4) The compound combination of the invention can delay and/or overcome the generation of pest resistance and effectively prolong the service life of the pesticide compound.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more concise and clear, the present invention is described with the following specific embodiments, but the present invention is by no means limited to these embodiments. The following description is only a preferred embodiment of the present invention, and is only for the purpose of describing the present invention, and should not be construed as limiting the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
First, preparation examples
Example 1: 40% Fluopyram-cyantraniliprole granules (1:1)
The preparation method of the granules comprises the following steps: the raw materials are uniformly mixed in a mixing cylinder, and the 40 percent Fluopyram-cyantraniliprole granules can be prepared by extrusion, granulation, drying and screening.
Example 2: 25% Fluopyram-cyantraniliprole suspension seed coating agent (2:3)
The preparation method of the suspension seed coating agent comprises the following steps: firstly, mixing all the auxiliary agents, uniformly mixing the auxiliary agents through high-speed shearing, adding the active ingredients of fluopyram and cyantraniliprole, and grinding the mixture in a ball mill for 2 to 3 hours until the particle fineness of the suspending agent is below 5 microns to obtain the 25 percent fluopyram-cyantraniliprole suspended seed coating agent.
Example 3: 26% Fluopyram-cyantraniliprole granules (6:7)
The preparation method of the granules comprises the following steps: the materials are mixed according to a proportion, and the ground active ingredients are evenly coated on a carrier wetted by polyethylene glycol in a mixer to prepare the 26 percent fluopyram-cyantraniliprole granules.
Example 4: 18% Fluopyram-cyantraniliprole suspension seed coating agent (4:5)
The preparation method of the suspension seed coating agent is the same as that of the embodiment 2.
Example 5: 42% Fluopyram-cyantraniliprole wettable powder (1:2)
The preparation method of the wettable powder comprises the following steps: the materials are mixed according to a proportion, mechanically crushed, airflow crushed and evenly mixed to prepare the 42 percent flupyraclostrobin-cyantraniliprole wettable powder.
Example 6: 36% Fluopyram-cyantraniliprole suspoemulsion (7:5)
The preparation method of the suspoemulsion comprises the following steps: mixing fluopyram with ethoxylated castor oil to obtain an oil phase; the cyantraniliprole and other components are uniformly mixed according to a certain proportion, and are sanded to prepare a suspending agent, and then an oil phase is added into the suspending agent and is uniformly mixed to prepare the 36% fluopyram-cyantraniliprole suspending agent.
Example 7: 5% Fluopyram-cyantraniliprole water dispersible granule (1:4)
The preparation method of the dispersant comprises the following steps: the materials are mixed according to a proportion, and are subjected to airflow crushing, uniform mixing, kneading granulation, drying and screening to obtain the 5% fluopyram-cyantraniliprole water dispersible granule.
Example 8: 51% Fluopyram-cyantraniliprole water dispersible granule (50:1)
The dispersant was prepared as in example 7.
Second, indoor biological activity determination
1. Indoor toxicity determination of fluopyram and cyantraniliprole combined preparation on phyllotreta striolata
Test subjects: phyllotreta striolata
The test method comprises the following steps: by adopting a leaf soaking method, refer to Wangjinshan (2007) and 'test criteria for indoor bioassay of pesticides (NY/T1154.6-2006)'. Sowing cabbage (Brassica campestris L.ssp. et al var. utilis Tsen et Lee) seeds in a greenhouse, and taking out insect-free leaves with consistent size when the leaves grow to 4-5 leavesThe damaged cabbage leaves are used for standby, and one leaf is repeated every time, so that the flea beetles are eaten according to the standard. During the test, the leaves are completely immersed in the liquid medicine with different concentrations for 5s, the liquid medicine on the surfaces of the leaves is taken out and dried, and the leaves are placed into a disposable culture dish with the diameter of 9cm (a piece of sterilized filter paper with the diameter of 7cm is placed into the culture dish, and 0.6mL of sterile water is added into each piece of filter paper to completely wet the filter paper). Adding 20 heads of CO in each repetition2The adult aflatoxin flea beetles are immediately covered on the upper cover of the culture dish, and the culture dish is stabilized by a rubber band to prevent the flea beetles from escaping. Distilled water containing the organic soluble composition was used as a control and distilled water was used as a blank control, and the process was repeated 3 times. And (3) placing the test insects in an artificial climate incubator with the temperature of 25 +/-1 ℃, the humidity of 75% and the L: D of 14:10, observing and recording the death number of the test insects and the vegetable leaf feeding condition 24h and 48h after treatment. Determination of LC for test agents using DPS software50The values refer to pesticide test technology and evaluation method compiled by the yellow ocean, and an equivalent comparison method is adopted: LC to target when single agent50Value, LC to target after adding compound with built-up activity to the same agent50The value is determined if the medicament is provided with LC of a compound with built-up activity50The value is smaller than that of the single medicament, and the synergistic effect is shown. Generally, a synergy index greater than 1 indicates synergy, less than 1 indicates antagonism, and 1 is additive, the test results are shown in table 1, and the magnitude of synergy is expressed by the synergy index:
the synergy index is LC when the medicament is singly used50LC of value/agent plus synergist50Value of
TABLE 1 indoor toxicity determination of Fluopyram and cyantraniliprole combined preparation for Phyllotreta striolata
| Test agent composition | Proportioning | LC50(μg/ml) | Index of synergy |
| Fluopyram (A) | --- | --- | --- |
| Cyantraniliprole (B) | --- | 1.83 | --- |
| A:B | 1:1 | 1.67 | 1.09 |
| A:B | 2:3 | 1.63 | 1.12 |
| A:B | 6:7 | 1.54 | 1.19 |
| A:B | 4:5 | 1.56 | 1.17 |
| A:B | 1:2 | 1.61 | 1.14 |
| A:B | 7:5 | 1.74 | 1.05 |
| A:B | 1:4 | 1.66 | 1.10 |
| A:B | 1:10 | 1.50 | 1.22 |
| A:B | 18:1 | 1.78 | 1.03 |
| A:B | 1:15 | 1.58 | 1.16 |
| A:B | 30:1 | 1.79 | 1.02 |
| A:B | 1:30 | 1.48 | 1.24 |
| A:B | 50:1 | 1.81 | 1.01 |
From the indoor toxicity measurement results in table 1 above, it can be seen that the weight ratio of cyantraniliprole to fluopyram is in the range of 1: 30-50: 1, the synergy indexes are all greater than 1, and the synergistic effect is shown.
2. Indoor toxicity determination of fluopyram and cyantraniliprole combined preparation on cabbage root-knot nematode
Test subjects: root knot nematode disease of cabbage
The test method comprises the following steps: the potting method comprises selecting ovum of Meloidogyne incognita from radix Isatidis, cleaning with sterile water, placing on wet filter paper of culture dish, adding 20ml sterile water, incubating at 20-25 deg.C to obtain 2-instar larvae, and diluting to 200 pieces/ml with sterile water. Inoculating 2-instar larvae in cabbage seedling stage, adopting a root injection method, injecting 5ml of nematode inoculation liquid into rhizosphere soil, keeping 70-80% humidity of the soil 24h after inoculation, and inoculating the cabbage with root-knot nematodes for later use. According to the formula ratio of the embodiment of the invention, mother liquor of the reagent to be tested is proportioned and then diluted to proper concentration by purified water for root irrigation treatment. After the treatment of the medicament, the cabbage seedlings are placed in an artificial climate chamber and then cultured for 30 days under the conditions of 25-30 ℃, 12h light-dark alternation and 35% -50% of relative humidity. Randomly investigating 4 pots each time, investigating 16 pots of cucumbers in total for each treatment, recording investigation results, calculating prevention effect, and calculating suppression middle concentration EC by using least square method50The test results are shown in Table 1.
According to the Sun Yunpei method, the synergistic effect of the mixed medicaments is evaluated according to the co-toxicity coefficient (CTC), namely the CTC is less than or equal to 80 and is a synergistic antagonistic effect, the CTC is less than 80 and is less than 120 and is a synergistic effect, and the CTC is more than or equal to 120.
Measured virulence index (ATI) ═ EC of standard agents50EC of test agent50)×100；
The theoretical virulence index TTI is the virulence index of the A medicament multiplied by the percentage of the A medicament in the mixed preparation plus the virulence index of the B medicament multiplied by the percentage of the B medicament in the mixed preparation;
co-toxicity coefficient (CTC) × 100 [ measured toxicity index (ATI) of the mixture)/Theoretical Toxicity Index (TTI) of the mixture ].
TABLE 2 indoor toxicity determination of Fluopyram and cyantraniliprole combination formulations against cabbage root knot nematode disease
| Test agent composition | Proportioning | EC50(μg/ml) | Co-toxicity coefficient |
| Fluopyram (A) | --- | 3.21 | --- |
| Cyantraniliprole (B) | --- | 16.47 | --- |
| A:B | 1:1 | 3.75 | 143.28 |
| A:B | 2:3 | 4.26 | 145.77 |
| A:B | 6:7 | 4.03 | 140.61 |
| A:B | 4:5 | 3.36 | 172.85 |
| A:B | 1:2 | 4.87 | 142.28 |
| A:B | 7:5 | 3.11 | 155.32 |
| A:B | 1:4 | 7.13 | 126.49 |
| A:B | 1:10 | 9.14 | 131.00 |
| A:B | 18:1 | 2.52 | 133.02 |
| A:B | 1:15 | 10.09 | 129.74 |
| A:B | 30:1 | 2.61 | 126.27 |
| A:B | 1:30 | 11.95 | 121.62 |
| A:B | 50:1 | 2.55 | 127.90 |
| A:B | 1:35 | 12.36 | 119.54 |
| A:B | 55:1 | 2.76 | 118.00 |
From the indoor toxicity measurement results in the table 2 above, it can be seen that the toxicity of fluopyram to cabbage root-knot nematode is better than that of cyantraniliprole, the cotoxicity coefficient of fluopyram to cabbage root-knot nematode is less than 120 when the weight ratio of fluopyram to cyantraniliprole is 1:35 and 55:1, and the cotoxicity coefficient of fluopyram to cabbage root-knot nematode is greater than 120 when the weight ratio of fluopyram to cyantraniliprole is 1:30 and 55:1, so that the weight ratio of fluopyram to cabbage root-knot nematode is 1:30 to 50:1, the synergistic effect of the composition preparation for preventing and treating cabbage root-knot nematode is more remarkable, and the cotoxicity coefficient is 172.85 when the weight ratio of fluopyram to cabbage root-knot nematode is 4: 5.
3. Indoor toxicity determination of fluopyram and cyantraniliprole composition preparation on cabbage root rot
Test subjects: root rot of cabbage
The test method comprises the following steps: the method comprises the steps of adopting a hypha growth rate method to measure, respectively diluting a reagent to be tested to the concentrations of 1.00, 0.50, 0.25, 0.125 and 0.0625mg/ml, then adding the reagent to a molten PDA culture medium, fully shaking and pouring the reagent into a sterilized culture dish, preparing a bacterial block from the edge of a bacterial colony of a pathogen cultured for 4-5 days by using a puncher with the diameter of 6mm after the culture medium is solidified, inoculating the bacterial block onto a medicine-containing culture medium by using an inoculating needle, enabling the bacterial colony to face downwards, repeating the treatment for 3 times in each dish, culturing in a constant-temperature incubator at 25 ℃, measuring the diameter of the bacterial colony by using a cross method after 72 hours, and setting clear water as a blank control.
The average inhibition rate of hypha growth is calculated according to the formula:
processing data by using Excel and DPS software, calculating bacteriostasis rate, toxicity equation and effective inhibition EC50The test results are shown in Table 3.
TABLE 3 indoor toxicity determination of Fluopyram and cyantraniliprole combination formulations for cabbage root rot
| Test agent composition | Proportioning | EC50(μg/ml) | Co-toxicity coefficient |
| Fluopyram (A)) | --- | 2.34 | --- |
| Cyantraniliprole (B) | --- | 20.52 | --- |
| A:B | 1:1 | 2.93 | 143.38 |
| A:B | 2:3 | 3.34 | 149.57 |
| A:B | 6:7 | 3.18 | 140.71 |
| A:B | 4:5 | 3.23 | 142.67 |
| A:B | 1:2 | 3.67 | 155.76 |
| A:B | 7:5 | 2.28 | 162.69 |
| A:B | 1:4 | 5.84 | 137.58 |
| A:B | 1:10 | 8.67 | 138.71 |
| A:B | 18:1 | 2.01 | 122.11 |
| A:B | 1:15 | 10.08 | 137.03 |
| A:B | 30:1 | 1.89 | 127.45 |
| A:B | 1:30 | 13.51 | 121.45 |
| A:B | 50:1 | 1.92 | 124.03 |
| A:B | 1:35 | 14.08 | 119.87 |
| A:B | 55:1 | 2.02 | 117.70 |
From the indoor toxicity measurement results in table 3 above, it is known that the cotoxicity coefficient is less than 120 when the weight ratio of the fluopyram to the cyantraniliprole is 1:35 and 55:1, and is greater than 120 when the weight ratio of the fluopyram to the cyantraniliprole is in the range of 1:30 to 50:1, so that the combined preparation of the fluopyram and the cyantraniliprole has a synergistic effect in the range, and when the weight ratio of the fluopyram to the cyantraniliprole is 7:5, the synergistic effect is more remarkable, and the cotoxicity coefficient is 162.69.
Third, field test
1. Field pesticide effect test of combined preparation of fluopyram and cyantraniliprole on cabbage field pests
Test subjects: flea beetle, cabbage root nematode and cabbage root rot
And (3) experimental design: the test is arranged to be carried out in a cabbage field in Guangzhou city-increasing area, and the previous stubble of the cabbage field is phyllotreta striolata, root rot and nematode are all harmful. The method comprises the steps of taking the working chemicals of example 1, example 3, example 5 and example 6 of the invention as treatment chemicals, taking 41.7% of fluopyram suspending agent and 10% of cyantraniliprole suspending agent as control chemicals, taking clear water as blank control, adopting irrigation and soil treatment methods in experiments, adopting liquid, powder and the like for treatment, adding water for irrigating roots for use in the cabbage root knot disease and the phyllotreta beetle larval stage, adopting random block arrangement for the granules before field planting, adopting 4 times of random block arrangement for the experiments, and adopting the size of each small area as 5 multiplied by 9 m. The control effects of the treatment agent on phyllotreta striolata, cabbage root rot and cabbage root knot nematode are respectively investigated, and the test results are shown in table 4.
TABLE 4 field efficacy test of Fluopyram and cyantraniliprole combination formulations against cabbage field pests
From the field efficacy test results in table 4, it can be known that the combined preparation of fluopyram and cyantraniliprole has better control effects on phyllotreta striolata, cabbage root-knot nematode and cabbage root rot, the control effects are all higher than 70%, and during the test period, both the target crop and the surrounding crop are in the occurrence of the key, which indicates that the composition preparation of the invention is safe to the crop.
In conclusion, the combined preparation of the fluopyram and the cyantraniliprole is used for preventing and treating pests of cruciferous vegetables, has obvious synergistic effect and obviously improved prevention effect compared with a single pesticide component.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (1)
1. The application of a compound composition for preventing and treating cruciferous vegetable pests in the aspect of cabbage root rot is characterized in that the compound composition is 26% of Fluopyram-cyantraniliprole granules, and in the 26% Fluopyram-cyantraniliprole granules, the weight ratio of Fluopyram to cyantraniliprole is 6: 7;
the 26% fluopyram-cyantraniliprole granules comprise the following components in percentage by weight: 12% of fluopyram, 14% of cyantraniliprole, 3% of polyethylene glycol, 1% of dioctyl sulfosuccinate, 6% of xanthan gum and the balance of calcium sulfate.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421290A (en) * | 2009-03-25 | 2012-04-18 | 拜尔农作物科学股份公司 | Nematicidal, insecticidal, and acaricidal combination of active substances, comprising pyridylethyl benzamide and insecticide |
| WO2012140212A3 (en) * | 2011-04-15 | 2013-05-02 | Syngenta Participations Ag | Pesticidal compositions comprising a nematode-antagonistic biocontrol agent |
| WO2014066878A1 (en) * | 2012-10-26 | 2014-05-01 | Bayer Cropscience Lp | Compositions comprising a biological control agent and an insecticide |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421290A (en) * | 2009-03-25 | 2012-04-18 | 拜尔农作物科学股份公司 | Nematicidal, insecticidal, and acaricidal combination of active substances, comprising pyridylethyl benzamide and insecticide |
| WO2012140212A3 (en) * | 2011-04-15 | 2013-05-02 | Syngenta Participations Ag | Pesticidal compositions comprising a nematode-antagonistic biocontrol agent |
| WO2014066878A1 (en) * | 2012-10-26 | 2014-05-01 | Bayer Cropscience Lp | Compositions comprising a biological control agent and an insecticide |
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