CN115769821B - Pesticide composition for preventing and controlling wormwood aphids - Google Patents

Pesticide composition for preventing and controlling wormwood aphids Download PDF

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Publication number
CN115769821B
CN115769821B CN202211457147.4A CN202211457147A CN115769821B CN 115769821 B CN115769821 B CN 115769821B CN 202211457147 A CN202211457147 A CN 202211457147A CN 115769821 B CN115769821 B CN 115769821B
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wormwood
controlling
preventing
aphids
compound
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CN115769821A (en
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陈培育
牛银亭
阴志刚
鞠乐
周晓静
申坚定
赵倩
马卓
高林飞
范长有
曹双
刘瑞
田华丽
强学杰
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Nanyang academy of agricultural sciences
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Nanyang academy of agricultural sciences
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

The invention belongs to the technical field of pesticides, and in particular relates to a pesticide composition for preventing and controlling wormwood aphids. The pesticide composition for preventing and controlling the wormwood aphids is prepared by compounding rotenone and a compound a, wherein the compound a is any one of the following components of the hydroprene, the chlorantraniliprole, the pymetrozine and the tolfenpyrad. The pesticide composition for preventing and controlling the wormwood aphids has a synergistic effect on preventing and controlling the wormwood aphid and the myzus persicae, can improve the preventing and controlling effect on the wormwood aphids, is beneficial to reducing the application dosage of pesticides, reducing the pesticide residue in the wormwood, relieving the environmental pollution, being beneficial to realizing the pollution-free preventing and controlling aim in the wormwood planting process and improving the wormwood quality.

Description

Pesticide composition for preventing and controlling wormwood aphids
Technical Field
The invention belongs to the technical field of pesticides, and in particular relates to a pesticide composition for preventing and controlling wormwood aphids.
Background
The mugwort is perennial herb of Compositae, and is named mugwort, mugwort and mugwort. Ai Caoquan the medicinal materials have various medicinal values such as cold dispelling, hemostatic, antiinflammatory, cough relieving, and antiallergic effects. Along with the increasing demands of people on health care, the traditional Chinese medicine physiotherapy mode of moxibustion is accepted by chronic patients, and the demand of mugwort on the market is in a trend of rising year by year. As with many crops, insect pests can also occur in the planting process of the wormwood, and common pests on the wormwood include aphids, mites, whiteflies and the like, wherein the wormwood aphids mainly refer to myzus persicae, the myzus persicae is mainly harmful to adult aphids and if aphids, and is often clustered on young shoots and tender leaves to pierce and suck juice, so that photosynthesis is reduced, and further the mugwort leaves are curled and yellow, and the normal growth of mugwort is affected.
The chemical agent is one of common means for preventing and controlling agricultural diseases and insect pests, and can effectively prevent and control the wormwood aphid, namely the myzus persicae, by spraying the chemical agent in the wormwood planting process. However, the resistance of the myzus persicae is generated and developed due to the long-term application of a single pesticide and the unscientific application of the pesticide, so that the prevention and treatment effect of the existing various chemical agents on the myzus persicae is not ideal, and the quality of the wormwood is affected due to the fact that pesticide residues in the wormwood exceed standard easily when the pesticide application amount is increased. Therefore, it is necessary to provide a drug having a low application amount and a good control effect on the aphids of mugwort.
Rotenone is widely present in the root bark of plants and has strong contact killing and stomach poisoning effects on insects, especially cabbage butterflies, plutella xylostella, thrips and aphids. The rotenone can inhibit mitochondrial respiratory chain after entering the insect body, so that the whole body cells of the insect are in hypoxic respiratory failure and the heart stops to death, and the rotenone has unique potential for preventing and treating resistant insect. The compounding of different pesticide components is an effective way for developing a novel medicament, and no report related to the compounding of rotenone with hydroprene, chlorantraniliprole, pymetrozine or tolfenpyrad is found at present.
Disclosure of Invention
The invention aims to provide a pesticide composition for preventing and controlling mugwort aphids, which can improve the prevention and control effect on mugwort pest myzus persicae, reduce the application dosage of pesticides, be favorable for realizing the pollution-free prevention and control aim in the mugwort planting process and improve the mugwort quality.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the pesticide composition for preventing and controlling the wormwood aphids is prepared by compounding rotenone and a compound a, wherein the compound a is any one of the following components of the hydroprene, the chlorantraniliprole, the pymetrozine and the tolfenpyrad.
More specifically, when the compound a is the hydroprene, the mass ratio of the rotenone to the compound a is 1-40:10-1.
More specifically, when the compound a is chlorantraniliprole, the mass ratio of rotenone to the compound a is 1-20:1.
more specifically, when the compound a is pymetrozine, the mass ratio of rotenone to the compound a is 1-80:15-1.
More specifically, when the compound a is tolfenpyrad, the mass ratio of rotenone to the compound a is 1-20:9-1.
The invention also provides a pesticide preparation, which comprises the pesticide composition for preventing and controlling the wormwood aphids.
More specifically, the pesticide preparation is prepared from wettable powder, suspending agent, ultra-low volume liquid or water dispersible granule.
Compared with the prior art, the invention has the following beneficial effects:
(1) The pesticide composition for preventing and controlling the wormwood aphids has a synergistic effect on preventing and controlling the wormwood aphid and the myzus persicae, can improve the preventing and controlling effect on the wormwood aphids, is beneficial to reducing the application dosage of pesticides, reducing the pesticide residue in the wormwood, relieving the environmental pollution, being beneficial to realizing the pollution-free preventing and controlling aim in the wormwood planting process and improving the wormwood quality.
(2) The pesticide composition for preventing and controlling the wormwood aphids has different action mechanisms on pests, is favorable for delaying the generation and development of drug resistance of the pests, and further can prolong the service life of the pesticide to a certain extent and prolong the updating period.
Detailed Description
The invention will be better understood from the following examples, which are described only for illustration of the invention and should not be construed as limiting the invention as detailed in the claims.
Examples: indoor biological Activity assay
1. Test object: the green peach tumour aphids collected from the wormwood planting land are fed with fresh and clean wormwood tender leaves in a laboratory, and the green peach aphids are selected as test objects.
2. Test agent
95% rotenone technical, 92.5% hydroprene technical, 98% chlorfenozide technical, 97% pymetrozine technical and 98% tolfenpyrad technical are all sold in the market.
3. Test method (refer to "NY/T1154.6-2006 pesticide indoor biological assay test guidelines pesticide 6 th part: insecticidal Activity test method of soaking insects
After the test reagent is dissolved, the test reagent is diluted by 0.1% Tween-80 solution, single-reagent mother solution is prepared respectively, a plurality of groups of ratios are arranged, 5 gradient mass concentrations of each single reagent and each group of mixed reagent are arranged according to an equal ratio method, the liquid medicine amount of each mass concentration is 50mL, and all the reagents are prepared at present.
Immersing test insects in the liquid medicine for 8s, sucking excessive liquid medicine by using filter paper, transferring to normal condition for feeding, repeating each treatment for 4 times, immersing 25 insects each time, and setting the treatment containing only 0.1% Tween-80 as blank control. And observing death conditions of test insects 24 hours after treatment, respectively recording total insect numbers and death insect numbers of each treatment, and calculating the corrected death rate of each treatment according to the total insect numbers and the death insect numbers.
In the above formula: p- -mortality in units of; k- -number of dead insects; n- -total number of insects treated.
In the above formula: p (P) 1 -correct mortality in units of; p (P) t -mortality rate in units of treatment; p (P) 0 Blank mortality in%.
4. Data analysis: regression analysis of the log concentration values of each treatment agent and the corrected mortality probability values of each treatment was performed using DPS software to calculate LC of each treatment agent 50 And the co-toxicity coefficient (CTC value) of the mixture was calculated according to the grand cloud Pei method.
In the above formula: ati—the measured virulence index of the mixture; LC of S-standard agent 50 The unit is mg/L; LC of M-mixture 50 The unit is mg/L.
TTI=TI A ×P A +TI B ×P B
In the above formula: TTI- -theoretical toxicological index of the mixture; TI (TI) A -a toxicity index of the agent; p (P) A - -A the percentage of agent in the blend in percent (%); TI (TI) B -a toxicity index of the agent; p (P) B The percentage content of the agent in the mixture is shown as percentage (%).
In the above formula: ctc—co-toxicity coefficient; ati—actual measured virulence index of the mixture; tti—the theoretical toxicity index of the mixture.
5. Evaluation of drug efficacy
The synergy of the agents was evaluated based on the calculated co-toxicity coefficient (CTC), CTC.ltoreq.80 being antagonism, CTC.ltoreq.120 being additive, CTC.ltoreq.120 being synergy, the results being shown in tables 1-4.
TABLE 1 toxicity determination results of rotenone and Dipropisochlor for myzus persicae
As can be seen from Table 1, at 1-40: within the mass ratio of 10-1, the co-toxicity coefficient of rotenone and the hydroprene after being compounded with the hydroprene is more than 120, and the synergistic effect is shown.
TABLE 2 toxicity determination results of rotenone and Chlorantraniliprole compounded on myzus persicae
As can be seen from Table 2, at 1-20: within the mass ratio of 1, the co-toxicity coefficient of rotenone and chlorantraniliprole to myzus persicae after being compounded is more than 120, and the synergism is shown.
TABLE 3 toxicity measurement results of rotenone and pymetrozine compounded on myzus persicae
As can be seen from Table 3, at 1-80: within the mass ratio of 15-1, the co-toxicity coefficient of rotenone and pymetrozine after being compounded on the myzus persicae is more than 120, and the synergistic effect is shown.
TABLE 4 toxicity measurement results of rotenone and tolfenpyrad for myzus persicae
As can be seen from Table 4, at 1-20: within the mass ratio of 9-1, the co-toxicity coefficient of rotenone and tolfenpyrad to the myzus persicae is more than 120 after being compounded, and the synergistic effect is shown.
In conclusion, the pesticide composition for preventing and controlling the wormwood aphids has a synergistic effect on preventing and controlling the wormwood aphids and the myzus persicae, can improve the prevention and control effect on the wormwood aphids, is beneficial to reducing the application dosage of pesticides, reducing the pesticide residue in the wormwood, reducing the environmental pollution, being beneficial to realizing the pollution-free prevention and control aim in the wormwood planting process and improving the wormwood quality.
The foregoing is merely illustrative of the preferred embodiments of this invention and modifications, obvious to those skilled in the art, may be made without departing from the principles of this invention and are within the scope of this invention.

Claims (3)

1. The pesticide composition for preventing and controlling the wormwood aphids is characterized in that the pesticide composition is prepared by compounding rotenone and a compound a, wherein the compound a is selected from chlortebufenozide, and when the compound a is chlortebufenozide, the mass ratio of the rotenone to the compound a is 1-20:1.
2. a pesticidal formulation comprising the pesticidal composition of claim 1 for controlling wormwood aphid.
3. A pesticide formulation according to claim 2, in the form of wettable powder, suspension, ultra low volume liquid or water dispersible granules.
CN202211457147.4A 2022-11-21 2022-11-21 Pesticide composition for preventing and controlling wormwood aphids Active CN115769821B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1150825C (en) * 2001-02-20 2004-05-26 华南农业大学 Mixed rotenone preparation
CN1513318A (en) * 2003-07-28 2004-07-21 华南农业大学 Suspension emulsion contg. ellptone and Tebufenozide and its prepn. method
CN101188937A (en) * 2005-06-01 2008-05-28 明治制果株式会社 Pest control agents
CN101194613A (en) * 2007-12-18 2008-06-11 华南农业大学 Mixed pesticide preparations of tubatoxin and pymetrozine
JP2008239515A (en) * 2007-03-26 2008-10-09 Ishihara Sangyo Kaisha Ltd Method for controlling larva of phyllotreta striolata
CN101626687A (en) * 2007-03-08 2010-01-13 明治制果株式会社 Pest control composition
CN102905528A (en) * 2010-05-28 2013-01-30 巴斯夫欧洲公司 Pesticidal mixtures

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1150825C (en) * 2001-02-20 2004-05-26 华南农业大学 Mixed rotenone preparation
CN1513318A (en) * 2003-07-28 2004-07-21 华南农业大学 Suspension emulsion contg. ellptone and Tebufenozide and its prepn. method
CN101188937A (en) * 2005-06-01 2008-05-28 明治制果株式会社 Pest control agents
CN101626687A (en) * 2007-03-08 2010-01-13 明治制果株式会社 Pest control composition
JP2008239515A (en) * 2007-03-26 2008-10-09 Ishihara Sangyo Kaisha Ltd Method for controlling larva of phyllotreta striolata
CN101194613A (en) * 2007-12-18 2008-06-11 华南农业大学 Mixed pesticide preparations of tubatoxin and pymetrozine
CN102905528A (en) * 2010-05-28 2013-01-30 巴斯夫欧洲公司 Pesticidal mixtures

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杀虫剂的作用方式与分类;黄诚;王品维;孙逸钊;马建义;;农药科学与管理(第01期);全文 *

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Inventor after: Chen Peiyu

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