CN111184034A - Pesticide composition containing pyridine quinazoline and eucalyptol - Google Patents

Pesticide composition containing pyridine quinazoline and eucalyptol Download PDF

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Publication number
CN111184034A
CN111184034A CN201910389670.XA CN201910389670A CN111184034A CN 111184034 A CN111184034 A CN 111184034A CN 201910389670 A CN201910389670 A CN 201910389670A CN 111184034 A CN111184034 A CN 111184034A
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eucalyptol
pyridine quinazoline
quinazoline
composition containing
pesticide
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陈佛祥
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Jiangxi Zhongxun Agrochemical Co ltd
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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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • 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
    • A01N43/54—1,3-Diazines; Hydrogenated 1,3-diazines
    • 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
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08—Magnoliopsida [dicotyledons]
    • A01N65/28—Myrtaceae [Myrtle family], e.g. teatree or clove
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Pest Control & Pesticides (AREA)
  • Botany (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention relates to a pesticide composition, the effective components of which are pyridine quinazoline and eucalyptol. The composition is used for preventing and controlling aphids and trialeurodes vaporariorum of harmful plants, and pyridine quinazoline and eucalyptol show synergistic effect on the aphids and the trialeurodes vaporariorum by compounding in a ratio of 1:20-20:1 through indoor co-toxicity coefficient determination. The pyridine quinazoline and the eucalyptol are mixed to prepare a suspending agent and a dispersible oil suspending agent pesticide preparation, and the effects of preventing and controlling the crop aphids and the trialeurodes vaporariorum in the field are obviously better than those of single use.

Description

Pesticide composition containing pyridine quinazoline and eucalyptol
Technical Field
The invention relates to a compound pesticide combination application technology, which combines effective components of pyridine quinazoline and eucalyptol, wherein the pyridine quinazoline and the eucalyptol are combined in a certain range to control plant pests and have a synergistic effect.
Technical Field
Aphids and bemisia tabaci are both pests which eat plant sap, are a group with large harm in crop production, are small in size, often have unobvious damage symptoms at the initial stage of production, and are easy to ignore, but the number of the aphids and the bemisia tabaci is extremely large, the group often resides in tender branches and leaf backs, the plant sap is sucked, and nutrition is deprived, so that branches and leaves are curled, even the whole plant of crops withers or dies, and the crops in China are subjected to disastrous losses every year. Therefore, most farmlands commonly use insecticides to control piercing-sucking pests. However, the high-intensity use of chemical pesticides can cause the generation of drug resistance of pests, thereby causing the reduction of the control effect of active ingredients and the increase of the dosage, and further aggravating the threat of the pesticides to the environment.
Pyridine quinazoline is a novel quinazoline insecticide developed by Japan pesticide Co., Ltd, belongs to an insect action inhibitor, and has the action mechanism of preventing or interfering feeding and crawling activity capacity of pests until the pests slowly starve to death. CN 1823055, a preparation method of substituted aminoquinazolinone derivatives, intermediates thereof and pest control agents, a preparation method of pyridine quinazoline is reported, and a synthesis process of pyridine quinazoline is not described again.
Eucalyptol is a botanical pesticide, inhibits the synthesis of acetylcholinesterase in insects, blocks the conduction of nervous system, and interferes with the metabolism of water in insect bodies to cause death. CN 102626116, a botanical insecticide and its preparation method, reports the preparation method of eucalyptol, and the synthesis process of eucalyptol is not described again.
The scientific combination of different pesticide active ingredients can improve the pesticide effect and delay the generation of the pesticide resistance of pests. Based on indoor toxicity measurement and field tests, the combination of pyridine quinazoline and eucalyptol in a certain range is obtained, and the synergistic effect is obvious.
Disclosure of Invention
The invention aims to provide a pesticide insecticidal composition which has reasonable components, obvious synergistic effect, good use effect, safety to crops and capability of delaying resistance generation.
The invention also aims to provide a pyridine quinazoline and eucalyptol composition.
The invention also aims to provide a preparation method of the pyridine quinazoline and eucalyptol composition.
It is a further object of the present invention to apply the composition to control plant aphids and whitefly.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the pesticide composition comprises the effective components of pyridine quinazoline and eucalyptol, wherein the weight ratio of the pyridine quinazoline to the eucalyptol is 1:20-1:20, preferably 1:10-1:10, further preferably 1:5-1:5, and further preferably 1: 1;
the weight of the active ingredients of the composition accounts for 0.02-90% of the total weight of the composition, and the balance is pesticide auxiliary agent;
the composition can be prepared into a pesticide preparation for direct use according to a method known in the pesticide formulation process technology, and a suspoemulsion agent and a dispersible oil suspending agent are selected;
the composition is applied to control plant pests including cabbage aphids and cucumber whiteflies.
A preparation method of pyridine quinazoline eucalyptol suspension emulsion.
Pyridine quinazoline 0.01% -50%;
0.01 to 30 percent of eucalyptol;
the auxiliary agent is added to 100 percent;
fully mixing eucalyptol with a solvent and an emulsifier to obtain A, mixing pyridine quinazoline, a dispersant, a wetting agent, deionized water and the rest of solid auxiliary agents, grinding the mixture in a sand mill to obtain B, mixing A and B, adding the liquid auxiliary agents into the mixture, and shearing the mixture to obtain the pyridine quinazoline eucalyptol suspension emulsion.
A preparation method of a pyridine quinazoline eucalyptol dispersible oil suspending agent.
Pyridine quinazoline 0.01% -50%;
0.01 to 30 percent of eucalyptol;
the auxiliary agent is added to 100 percent;
fully mixing eucalyptol with a solvent to obtain A, mixing pyridine quinazoline, a dispersing agent, a wetting agent, vegetable oil and the rest solid auxiliary agent, grinding the mixture in a sand mill to obtain B, mixing A and B, adding the liquid auxiliary agent into the mixture, and shearing the mixture to obtain the dipyridine quinazoline eucalyptol dispersible oil suspending agent.
The pesticide composition containing pyridine quinazoline and eucalyptol provided by the invention is usually used by a spraying method of diluting with water, and other application technologies applied in agriculture can be adopted according to needs.
The application frequency and application amount of the composition of the invention are slightly changed along with the change of crops, pests and weather conditions, and the purpose of effective control can be achieved by using proper dosage.
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.
Indoor virulence assay examples.
Example one combined virulence assay for aphids with the compositions of the invention.
The insect immersion method is adopted by referring to 'pesticide NY/T1154.6-2006 in the indoor bioassay test criteria of pesticides'. Selecting indoor-cultured myzus persicae nymphs with consistent age, immersing target insects into the liquid medicine for 10s, sucking redundant liquid medicine by using filter paper, and transferring the test insects to normal conditions for feeding.
Based on the results of the investigation, the mortality of each treatment was calculated. And carrying out statistical analysis by using DPS statistical analysis software to obtain a toxicity regression equation, lethal middle concentration, correlation coefficient and the like, and obtaining a cotoxicity coefficient (CTC value) by using a Sun cloud Pepper method.
The observed virulence index (ATI) ═ X100 (standard agent LC 50/test agent LC 50).
Theoretical virulence index (TTI) ═ percentage of a in the a agent virulence index X mix + percentage of B in the B agent virulence index X mix.
Co-toxicity coefficient (CTC) ═ X100 [ actually measured toxicity index (ATI)/Theoretical Toxicity Index (TTI) of the mixture ].
Combined action division criteria: the co-toxicity coefficient (CTC) is more than or equal to 120 and shows a synergistic effect; the co-toxicity coefficient (CTC) is less than or equal to 80, and the antagonism is shown; 80< co-toxicity coefficient (CTC) <120 showed additive effect.
As shown in the results of the test on the green peach aphids in Table 1, the cotoxicity coefficient (CTC) of the combination of the pyridine quinazoline and the eucalyptol is more than 120 within the range of 1:20-20:1 (by weight), which indicates that the synergistic effect is shown. However, the cotoxicity coefficient (CTC) of the pyridine quinazoline and eucalyptol at 1:40 (by weight) was 114.70, indicating a synergistic additive effect.
Table 1 pyridine quinazoline, eucalyptol and combinations thereof on the virulence of myzus persicae (myzuspiericae).
Effective components and combination ratio thereof LC50(ug/mL) Actual ATI Theoretical TTI CTC
Pyridine quinazoline (A) 2.6404 100 / /
Eucalyptus oil (B) 2.8572 7.24 / /
A:B(20:1) 2.0496 13.02 9.51 136.96
A:B(10:1) 1.7281 15.44 10.24 150.87
A:B(5:1) 1.5613 14.25 10.81 131.78
A:B(4:1) 1.5397 15.72 11.66 134.82
A:B(3:1) 1.5104 18.19 13.04 139.47
A:B(2:1) 1.4975 21.37 15.68 136.29
A:B(1:1) 1.4916 34.87 22.70 153.60
A:B(1:2) 1.5539 68.65 53.62 128.03
A:B(1:3) 1.6041 105.80 84.54 125.14
A:B(1:4) 1.6386 112.31 91.57 122.65
A:B(1:5) 1.6725 117.11 94.20 124.32
A:B(1:10) 1.8462 143.02 93.10 153.61
A:B(1:20) 2.2573 116.97 92.77 126.08
A:B(1:40) 2.4861 106.21 92.60 114.70
Example two combined virulence determination of the compositions of the invention against trialeurodes vaporariorum.
A spraying method is adopted by referring to ' pesticide NY/T1154.9-2008 ' as standard of indoor bioassay test of pesticides '.
Performing statistical analysis by DPS statistical analysis software to calculate LC of each medicament50Calculating the co-toxicity coefficient (CTC value) of the mixture according to the Sun Yunpei method, wherein the co-toxicity coefficient (CTC) is more than or equal to 120 and shows a synergistic effect; the co-toxicity coefficient (CTC) is less than or equal to 80, and the antagonism is shown; 80< co-toxicity coefficient (CTC) <120 showed additive effects.
As shown in Table 2, the results of the trialeurodes vaporariorum determination result show that the co-toxicity coefficient (CTC) of the combination of the pyridine quinazoline and the eucalyptol is more than 120 in the range of 1:20-20:1 (by weight), which indicates that the synergistic effect is shown.
Table 2 pyridine quinazoline, eucalyptol and combinations thereof virulence determination for eggplant whitefly (Trialeurodes vaporariorum).
Effective components and combination ratio thereof LC50(ug/mL) Actual ATI Theoretical TTI CTC
Pyridine quinazoline (A) 2.0816 100 / /
Eucalyptus oil (B) 3.1478 66.13 / /
A:B(20:1) 1.6705 124.61 98.39 126.65
A:B(10:1) 1.5386 135.29 96.92 139.59
A:B(5:1) 1.4052 148.14 94.35 157.00
A:B(4:1) 1.3709 151.84 93.23 162.88
A:B(3:1) 1.3821 150.61 91.53 164.54
A:B(2:1) 1.3966 149.05 88.71 168.02
A:B(1:1) 1.4603 142.55 83.06 171.61
A:B(1:2) 1.6117 129.16 77.42 166.83
A:B(1:3) 1.7094 121.77 74.60 163.24
A:B(1:4) 1.7851 116.61 72.90 159.95
A:B(1:5) 1.8596 111.94 71.77 155.96
A:B(1:10) 2.1481 96.90 69.21 140.02
A:B(1:20) 2.4753 84.09 67.74 124.14
Example three determination of the risk of resistance of the compositions of the invention to trialeurodes vaporariorum.
The concentration of the test agent is 30-60% of the target insect pest lethal dose, the living test insects are remained to continue to be tested in the next generation of breeding, and the test insects are repeatedly treated in the way for 20 generations. Change in resistance of the test insect to the test agent, LC50The smaller the growth rate, the faster the drug resistance growth.
As can be seen from Table 3, the increase rate of the drug resistance of the combination of pyridine quinazoline and eucalyptol is obviously lower than that of the single dose of pyridine quinazoline and eucalyptol, which indicates that the combination of pyridine quinazoline and eucalyptol has the effect of delaying the generation of drug resistance of trialeurodes vaporariorum.
Table 3 test for the resistance of d-limonene with pyridine quinazoline to trialeurodes vaporariorum.
Figure BDA0002056064310000051
Example four 6% pyridine quinazoline eucalyptol suspoemulsion.
The following substances are all in percentage by weight: 3% of pyridine quinazoline, 3% of eucalyptol, 9% of pine base oil, 5% of polyoxyethylene polyoxypropylene ether block copolymer, 5% of sodium dodecyl sulfate, 2% of xanthan gum, 0.3% of potassium sorbate, 0.1% of silicone oil, 3% of glycerol and the balance of deionized water to 100%. Mixing pine-based oil and eucalyptol to obtain A, mixing the rest materials with a sand mill, sanding to obtain B, mixing A and B, and shearing at high speed to obtain the 6% pyridine quinazoline eucalyptol suspension emulsion.
The 6% pyridine quinazoline eucalyptol suspension prepared by the method is used for controlling eggplant whitefly, and as can be seen from table 4, the 6% pyridine quinazoline eucalyptol suspension is obviously better than that of 6% pyridine quinazoline suspension and 6% eucalyptol soluble agent which are used independently. Thus, the combination of pyridine quinazoline and eucalyptol can improve the using effect. Meanwhile, no phytotoxicity on the eggplants is found when 6% pyridinizoline and eucalyptol suspension emulsion is applied in the test process.
Test result of table 46% pyridine quinazoline eucalyptol suspension emulsion for controlling eggplant whitefly
Figure BDA0002056064310000061
Example five 6% pyridine quinazoline eucalyptol dispersible oil suspension.
The following substances are all in percentage by weight: 3% of pyridine quinazoline, 3% of eucalyptol, 9% of pine oil, 5% of polyoxyethylene polyoxypropylene ether block copolymer, 5% of sodium dodecyl sulfate, 2% of xanthan gum, 0.3% of potassium sorbate, 0.1% of silicone oil, 3% of glycerol and the balance of methyl oleate to 100%. Mixing pine-based oil and eucalyptol to obtain A, mixing the rest materials with a sand mill, sanding to obtain B, mixing A and B, and shearing at high speed to obtain the 6% pyridine quinazoline eucalyptol dispersible oil suspending agent.
As can be seen from Table 5, the 6% pyridylquinazoline eucalyptol dispersible oil suspension is significantly better than the 6% pyridylquinazoline dispersible oil suspension and the 6% eucalyptol soluble agent used alone when the 6% pyridylquinazoline eucalyptol dispersible oil suspension is used alone. The combination of the pyridine quinazoline and the eucalyptol improves the using effect, and no chemical injury to the cabbage caused by applying 6% of the pyridine quinazoline and eucalyptol dispersible oil suspending agent is found in the test process.
Table 56% test results for control of aphids brassicae with pyridinizoline eucalyptol suspoemulsion
Figure BDA0002056064310000062
Figure BDA0002056064310000071

Claims (7)

1. An insecticide composition containing pyridine quinazoline and eucalyptol comprises the effective components of pyridine quinazoline and eucalyptol, wherein the weight ratio of pyridine quinazoline to eucalyptol is 1:20-20: 1.
2. The pesticide composition containing pyridine quinazoline and eucalyptol as claimed in claim 1, wherein: the weight ratio of the active ingredients pyridine quinazoline and eucalyptol is 20:1, 10:1, 5:1, 4:1, 3:1, 2:1, 1:2, 1:3, 1:4, 1:5, 1:10 and 1: 20.
3. The pesticide composition containing pyridine quinazoline and eucalyptol as claimed in claim 1, wherein: the weight ratio of the pyridine quinazoline and the eucalyptol serving as active ingredients is 20:1, 10:1, 5:1, 4:1, 3:1, 2:1, 1:2, 1:3, 1:4, 1:5, 1:10 and 1:20, the weight of the active ingredients accounts for 0.02-90% of the total weight of the composition, and the balance is a pesticide auxiliary agent.
4. The pesticide composition containing pyridine quinazoline and eucalyptol as claimed in claim 1, wherein: the weight ratio of the pyridine quinazoline and the eucalyptol serving as active ingredients is 1:1, the weight of the active ingredients accounts for 0.02-90% of the total weight of the composition, and the balance is a pesticide auxiliary agent.
5. The pesticide composition containing pyridine quinazoline and eucalyptol as claimed in claim 1, wherein the composition comprises 6% of pyridine quinazoline and eucalyptol suspension emulsion in percentage by weight: 3% of pyridine quinazoline, 3% of eucalyptol, 9% of pine base oil, 5% of polyoxyethylene polyoxypropylene ether block copolymer, 5% of sodium dodecyl sulfate, 2% of xanthan gum, 0.3% of potassium sorbate, 0.1% of silicone oil, 3% of glycerol and the balance of deionized water to 100%;
mixing pine-based oil and eucalyptol to obtain A, mixing the rest materials with a sand mill, sanding to obtain B, mixing A and B, and shearing at high speed to obtain the 6% pyridine quinazoline eucalyptol suspension emulsion.
6. The pesticide composition containing pyridine quinazoline and eucalyptol as claimed in claim 1, wherein the composition comprises 6% of the dispersible oil suspending agent of pyridine quinazoline and eucalyptol in percentage by weight: 3% of pyridine quinazoline, 3% of eucalyptol, 9% of pine oil, 5% of polyoxyethylene polyoxypropylene ether block copolymer, 5% of sodium dodecyl sulfate, 2% of xanthan gum, 0.3% of potassium sorbate, 0.1% of silicone oil, 3% of glycerol and the balance of methyl oleate to 100%;
mixing pine-based oil and eucalyptol to obtain A, mixing the rest materials with a sand mill, sanding to obtain B, mixing A and B, and shearing at high speed to obtain the 6% pyridine quinazoline eucalyptol dispersible oil suspending agent.
7. The pesticide composition containing pyridine quinazoline and eucalyptol as claimed in claim 1, wherein: the composition can be used for preventing and treating eggplant whitefly and cabbage aphid.
CN201910389670.XA 2018-11-14 2019-05-10 Pesticide composition containing pyridine quinazoline and eucalyptol Pending CN111184034A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113068705A (en) * 2021-03-26 2021-07-06 江南大学 Preparation method of eucalyptol emulsion and application of eucalyptol emulsion in biopesticide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113068705A (en) * 2021-03-26 2021-07-06 江南大学 Preparation method of eucalyptol emulsion and application of eucalyptol emulsion in biopesticide

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Application publication date: 20200522