CN114794136B - Pesticide composition for preventing and controlling orange leaf miner - Google Patents
Pesticide composition for preventing and controlling orange leaf miner Download PDFInfo
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- CN114794136B CN114794136B CN202210338187.0A CN202210338187A CN114794136B CN 114794136 B CN114794136 B CN 114794136B CN 202210338187 A CN202210338187 A CN 202210338187A CN 114794136 B CN114794136 B CN 114794136B
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- veratrine
- hexaflumuron
- leaf miner
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- UWGBIKPRXRSRNM-UHFFFAOYSA-N cevadine Natural products CC=C(C)/C(=O)OC1CCC2(C)C3CCC4C5(O)CC(O)C6(O)C(CN7CC(C)CCC7C6(C)O)C5(O)CC24OCC13O UWGBIKPRXRSRNM-UHFFFAOYSA-N 0.000 claims abstract description 36
- RGNPBRKPHBKNKX-UHFFFAOYSA-N hexaflumuron Chemical compound C1=C(Cl)C(OC(F)(F)C(F)F)=C(Cl)C=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F RGNPBRKPHBKNKX-UHFFFAOYSA-N 0.000 claims abstract description 36
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
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- GJUABKCEXOMRPQ-UHFFFAOYSA-N 1-[(2,5-dimethoxyphenyl)diazenyl]naphthalen-2-ol Chemical compound COC1=CC=C(OC)C(N=NC=2C3=CC=CC=C3C=CC=2O)=C1 GJUABKCEXOMRPQ-UHFFFAOYSA-N 0.000 description 1
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/34—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the groups, e.g. biuret; Thio analogues thereof; Urea-aldehyde condensation products
-
- 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
- A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention relates to the technical field of pesticides, in particular to a pesticide composition for preventing and controlling orange leaf miner. The pesticide composition for preventing and controlling the orange leaf miner comprises the active ingredients of hexaflumuron and veratrine, wherein the mass ratio of the hexaflumuron to the veratrine is 20:1-1:10. The pesticide composition for controlling the orange leaf miner has obvious synergism, has obvious control effect on the leaf miner pests, and overcomes the defects of each single dose.
Description
Technical Field
The invention relates to the technical field of pesticides, in particular to a pesticide composition for preventing and controlling orange leaf miner.
Background
The exocarpium Citri rubrum is mainly derived from dry exocarpium Citri Tangerinae of Rutaceae and its cultivar, and is used as a medicine with exocarpium of immature fruit, has pungent and bitter taste, warm nature, and has effects of regulating qi-flowing, relieving middle warmer, eliminating dampness and phlegm, and can be used for treating cough with excessive phlegm, food stagnation, alcohol damage, vomiting, aversion to fullness and oppression. In recent years, with the large-area planting of the base and the large scale, the occurrence and the hazard degree of the plant diseases and insect pests are increased, and some important pests have seriously affected the production and the product quality of the pummelo peel. The insect pest of the exocarpium citri rubrum is serious, and the insect pest is the insect pest of the leaf miner, the citrus red spider and the phoenix butterfly, and the insect pest of the scale insect, the longicorn and the aphid.
The citrus leaf miner is an important pest in the cultivation process, and can be harmful to all citrus plants. The young worms eat the leaf and flesh to leave the epidermis and form curved silvery white insect channels. The damaged leaf is shrunken, hardened and reduced in photosynthesis, and even the leaf falling damage curled leaf is the wintering place for mites, scale insects and aphids. The leaf miner larvae are eaten in mesophyll in a diving mode, the field generation overlapping of pests is serious, no high-efficiency medicament for killing various insect states at the same time exists at present, and the insect has medicament resistance to various medicaments, so that the control difficulty is high.
Hexaflumuron is an acylurea pesticide which kills pests by interfering with chitin synthesis and has low toxicity to mammals, birds and fish. Compared with other chitin inhibitors, the insecticidal composition has wider insecticidal spectrum, higher ovicidal activity and larva killing activity, especially for lepidoptera insects, is mainly used for preventing and controlling cruciferous vegetable plutella xylostella, prodenia litura, asparagus caterpillar, cabbage plutella xylostella, cotton bollworm and the like, and has good effect on pests with drug resistance to organic phosphorus, carbamate and pyrethroid vinegar. The number of the compound preparation of the hexaflumuron is relatively large. However, due to long-term use, the pests generate different degrees of drug resistance to pesticides such as organic chlorine, organic phosphorus, carbamate, pyrethroid and the like, and most of conventional medicaments have obviously reduced control effects, cannot effectively control the harm, and are difficult to control.
Veratrine is a toxic alkaloid generated by various veratrum plants, and has certain growth inhibition and killing effects on insect pests. As an insecticide, veratrine enters the digestive system through the surface of the insect body or by being sucked, so that local stimulation is caused, reflex insect body excitation is caused, sensory nerve endings of the insect body are restrained, and the insect death is caused by central nerve inhibition through transduction. As a biological agent, the plant extract is harmless to crops and has no residue, and a direction is developed for producing pollution-free foods and developing organic agriculture.
There is no report in the prior art about the combined use of hexaflumuron and veratrine for controlling leaf miner.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
In order to solve the problem of drug resistance of the orange leaf miner in the prior art, a pesticide composition with a synergistic effect and application thereof are provided.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the pesticide composition for preventing and controlling the orange leaf miner comprises active ingredients of hexaflumuron and veratrine, wherein the mass ratio of the hexaflumuron to the veratrine is 20:1-1:10.
Preferably, the mass ratio of the hexaflumuron to the veratrine is 10:1-1:1.
Preferably, the mass ratio of the hexaflumuron to the veratrine is 10:1 or 1:1.
The composition is processed into any formulation suitable for agriculture by being assisted with the processing auxiliary components of the insecticidal preparation. The pesticide composition is prepared from any one of suspending agent, aqueous emulsion, microemulsion, emulsifiable concentrate, wettable powder, microcapsule suspending agent, water dispersible granule, soluble powder and soluble granule. The active ingredient accounts for 0.5-55% of the total preparation by weight.
The various compounds and/or reagents used in the present invention are commercially available and can be readily purchased from the market.
The pesticide composition is used for preventing and killing orange leaf miner.
Compared with the prior art, the invention has the following beneficial effects:
(1) The pesticide composition for controlling the orange leaf miner has obvious synergism, has obvious control effect on the leaf miner pests, and overcomes the defects of each single dose. When the mass ratio of the hexaflumuron to the veratrine is 10:1-1:1, the composition shows remarkable synergistic effect, can effectively reduce the dosage of the active ingredients, and can slow down the generation of drug resistance of pests.
(2) Compared with single use, the 2% hexaflumuron veratrine wettable powder has the control effect on citrus leaf miners of more than 89.0% when the dilution multiple is 800-1000 times; the control effect on citrus leaf miner is more than 90.5% when the dilution multiple of 5.5% hexaflumuron veratrine wettable powder is 1000-1500 times. The composition can obviously improve the control effect and has obvious synergy.
Detailed Description
The following detailed description of specific embodiments of the invention is, but it should be understood that the invention is not limited to specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
Example 1: indoor combined action determination of hexaflumuron and veratrine combination on orange leaf miner
Testing pests: and (5) collecting the orange leaf miner in the field, feeding the orange leaf miner indoors for control, and selecting 4-year-old larvae with consistent growth for testing.
Testing the medicament: 95% hexaflumuron technical, commercially available, 98% veratrine (reagent grade), commercially available;
the testing method comprises the following steps: performing drip treatment; placing selected test insects with neat and consistent age in a culture dish for standby, treating the test insects head by using a micro-infusion instrument, infusing 1 mu L of each head of infusion medicament on a larva forechest backboard, setting a contrast every time 20 heads of larva are treated, repeating the treatment every time 4 times, and placing the treated test insects in a climatic chamber for 24 hours. After 24 hours, the death number of the larvae was counted, and the larvae were gently touched with a hairbrush, and no reaction or slight reaction was regarded as death.
Carrying out statistical analysis by using DPS to obtain LC50 value of each medicament on the larva of the leaf miner; and according to a combined virulence calculation method proposed by Sun-Johnson, a co-virulence coefficient is calculated and evaluated.
TABLE 1 results of indoor combination action of hexaflumuron and veratrine combination on leaf miner
As can be seen from Table 1, when hexaflumuron and veratrine were used alone, the LC50 of the hexaflumuron and veratrine was 456.42mg/L and 12.25mg/L, respectively, for the leaf miner; indoor tests show that the veratrine has excellent contact killing activity with hexaflumuron. When the hexaflumuron and the veratrine are used in combination, the composition shows additive effect when the mass ratio of the hexaflumuron to the veratrine is 30:1-20:1 and 1:10-1:30; when the mass ratio of the hexaflumuron to the veratrine is 10:1-1:1, the composition shows remarkable synergistic effect, can effectively reduce the dosage of active ingredients, and can slow down the generation of drug resistance of pests.
Example 2: field test of combination of hexaflumuron and veratrine on citrus leaf miner
Testing pests: leaf miner for citrus
Testing the medicament:
2% hexaflumuron veratrine wettable powder comprises the following components in percentage by weight:
1% of hexaflumuron, 1% of veratrine, 2% of calcium lignosulfonate, 1.5% of sodium dodecyl sulfate, 4% of white carbon black and 100% of kaolin.
5.5% hexaflumuron veratrine wettable powder, which comprises the following components in percentage by weight:
5% of hexaflumuron, 0.5% of veratrine, 3% of calcium lignosulfonate, 2% of sodium dodecyl sulfate, 5% of white carbon black and 100% of kaolin.
0.5% veratrine wettable powder, which comprises the following components in percentage by weight:
0.5% of veratrine, 2% of calcium lignosulfonate, 1.5% of sodium dodecyl sulfate, 4% of white carbon black and 100% of kaolin.
2.5% hexaflumuron wettable powder, which comprises the following components in percentage by weight:
2.5% of hexaflumuron, 2.5% of calcium lignosulfonate, 1% of sodium dodecyl sulfate, 4% of white carbon black and 100% of kaolin.
The testing method comprises the following steps: reference to "pesticide field efficacy test criteria (two) part 58: the pesticide can be used for preventing and treating citrus leaf miner. The test was repeated three times and the granules were randomized. Pre-drug investigation of pest cardinality; the medicine is sprayed for two times at intervals of 7d, and the number of living insects is investigated for 7d after the second medicine. And calculating the control efficiency. The specific calculation formula is as follows:
the reduction rate of insect population = (number of pre-drug insects-number of post-drug insects)/number of pre-drug insects × 100;
control effect% = (treat rate of reduction of insect population-rate of reduction of insect population blank)/(rate of reduction of insect population blank 100) ×100.
Table 2 results of field testing of combination of hexaflumuron and veratrine on citrus leaf miners
As shown in table 2, the control effect of 600 times dilution of 0.5% veratrine wettable powder on citrus leaf miner is 72.6%; the 2.5% hexaflumuron wettable powder has a 1200-fold control effect on citrus leaf miners of 70.4%, the control effect on citrus leaf miners is remarkably improved after the hexaflumuron and veratrine are combined, and the control effect is more than 89.0% when the 2% hexaflumuron veratrine wettable powder has a 800-1000-fold dilution. The control effect is more than 90.5% when the dilution multiple of 5.5% hexaflumuron veratrine wettable powder is 1000-1500 times. Therefore, the composition provided by the invention can obviously improve the control effect and has an obvious synergistic effect.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (6)
1. The pesticide composition for preventing and controlling citrus leaf miners is characterized in that active ingredients consist of hexaflumuron and veratrine, and the mass ratio of the hexaflumuron to the veratrine is 10:1-1:1.
2. A pesticide composition as set forth in claim 1 wherein the mass ratio of hexaflumuron to veratrine is 10:1 or 1:1.
3. A pesticidal composition according to any one of claims 1-2, which is formulated with a pesticidal formulation processing aid into any one of the dosage forms suitable for agricultural use.
4. A pesticide composition according to claim 3, wherein the formulation of the pesticide combination is any one of a suspending agent, an aqueous emulsion, a microemulsion, an emulsifiable concentrate, a wettable powder, a microcapsule suspending agent, and a water dispersible granule.
5. A pesticide composition as set forth in claim 4, characterized in that the active ingredient is present in an amount of 0.5-55% by weight of the total formulation.
6. Use of a pesticidal composition according to any one of claims 1-5 for combating pests, wherein said pests are citrus leaf miners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210338187.0A CN114794136B (en) | 2022-04-01 | 2022-04-01 | Pesticide composition for preventing and controlling orange leaf miner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210338187.0A CN114794136B (en) | 2022-04-01 | 2022-04-01 | Pesticide composition for preventing and controlling orange leaf miner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114794136A CN114794136A (en) | 2022-07-29 |
| CN114794136B true CN114794136B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210338187.0A Active CN114794136B (en) | 2022-04-01 | 2022-04-01 | Pesticide composition for preventing and controlling orange leaf miner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20180146676A1 (en) * | 2016-11-30 | 2018-05-31 | Mclaughlin Gormley King Company | Mixtures of sabadilla alkaloids and insect growth regulators and uses thereof |
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