CN111345304A - Insecticidal composition for preventing and treating red spiders of macadamia ternifolia - Google Patents
Insecticidal composition for preventing and treating red spiders of macadamia ternifolia Download PDFInfo
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- CN111345304A CN111345304A CN202010270722.4A CN202010270722A CN111345304A CN 111345304 A CN111345304 A CN 111345304A CN 202010270722 A CN202010270722 A CN 202010270722A CN 111345304 A CN111345304 A CN 111345304A
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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
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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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/12—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
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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
- A01N43/64—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
- A01N43/707—1,2,3- or 1,2,4-triazines; Hydrogenated 1,2,3- or 1,2,4-triazines
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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
- A01N43/90—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
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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
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Abstract
The invention relates to the technical field of pesticides, and particularly relates to an insecticidal composition for preventing and treating macadimia nut red spiders. An insecticidal composition for preventing and treating macadimia nut red spiders is prepared by compounding effective components of ethaboxam and a compound A; wherein the compound A is flufenoxuron, pymetrozine, azadirachtin or furan tebufenozide. When the pyraclonil, the flufenoxuron, the pymetrozine, the azadirachtin or the furan tebufenozide are compounded, the cotoxicity coefficients are all higher than 120, the synergistic effect is obvious, the prevention and control effect on red spiders can be improved, the prevention and control cost and pesticide residues are reduced, and the environmental pressure is relieved.
Description
Technical Field
The invention relates to the technical field of pesticides, and particularly relates to an insecticidal composition for preventing and treating macadimia nut red spiders.
Background
Macadamia nut is also called Kunzea chestnut, macadamia nut and macadamia walnut, is tree-grown nut originally produced in macadamia, has high economic value, medicinal value and nutritional value, and enjoys the reputation of 'the king of dried fruit'. The yield and quality of macadimia nuts are influenced by diseases and insect pests besides the natural environment, so that the control of the diseases and insect pests must be strengthened in the planting process of the macadimia nuts.
The red spider learns the name of tetranychus cinnabarinus and is a food habit, and the species of China is mainly tetranychus cinnabarinus. Red spiders can damage up to hundreds of plants, with macadamia nuts being the most well known. The macadimia nut young stem, leaf and bud are favored to be sucked, when the macadimia nut tree is sucked by red spiders, the sucked leaf part presents gray-white or yellowish-green spots due to the lack of chlorophyll, so that the healthy growth of the whole plant is influenced, and finally, the leaf is withered and yellow, and large-area fallen leaves and fruit drops are caused.
At present, the prevention and cure of red spiders on macadamia nuts mainly uses the spraying of chemical agents, the chemical agents have the advantages of quick effect and good prevention and cure effect, but the chemical agents also have the defects of drug resistance, pesticide residue and environmental pollution, particularly in the aspect of pest drug resistance, when a certain chemical agent is just used, the good prevention and cure effect on pests can be achieved, after the chemical agent is used for a long time, the prevention and cure effect of the chemical agent on the pests can be gradually reduced due to the existence of the drug resistance of the pests, the spraying dosage needs to be increased if the prevention and cure effect of the chemical agent is improved, the pesticide residue and the harm to the environment can be increased at the moment, and the prevention and cure cost can also be increased.
Shenyang chemical pesticide chemical research and development Limited company takes cyenopyrafen as a lead compound, and structurally modifies a pyrazole ring and a hydroxyl part in the structure of the cyenopyrafen to find a compound, namely the pyrazofenapyr, with high acaricidal activity, and the pyrazofenapyr is marketed in 2017. The pyraclonil is a brand new compound, has no cross resistance with the existing acaricide, has outstanding quick-acting performance, can achieve extremely high death rate within 1-3d, has excellent effect on four insect states of red spiders, is safe to crops and is environment-friendly. However, since the chlorfenapyr is a chemical agent and has a good acaricidal activity at present, the red spiders can slowly accumulate the drug resistance to the chlorfenapyr and gradually reduce the acaricidal activity if the red spiders are used for a long time, and therefore, how to slow down the generation of the red spiders to the resistance is a problem which needs to be considered.
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 skilled in the art.
Disclosure of Invention
The invention aims to provide an insecticidal composition for preventing and treating red spiders on macadimia nuts, which can delay the generation of drug resistance of the red spiders to the red spiders, has no cross resistance among components of the composition, has a remarkable synergistic effect and can improve the prevention and treatment effect of the composition on the red spiders on the macadimia nuts.
In order to achieve the purpose, the invention provides the following technical scheme:
an insecticidal composition for preventing and treating macadimia nut red spiders is prepared by compounding effective components of ethaboxam and a compound A; wherein the compound A is any one of flufenoxuron, pymetrozine, azadirachtin and furan tebufenozide.
Preferably, the mass ratio of the ethaboxam to the flufenoxuron is 1-12: 15-1.
Preferably, the mass ratio of the pyrazotoconazole to the pymetrozine is 1-35: 10-1.
Preferably, the mass ratio of the pyrazotocin to the nimbin is 1-27: 8-1.
Preferably, the mass ratio of the ethacrylonitrile to the furan tebufenozide is 1-42: 31-1.
Compared with the prior art, the invention has the following beneficial effects:
(1) the insecticidal mechanisms of the components in the active ingredients of the insecticidal composition are different, so that the generation of drug resistance of red spiders can be effectively slowed down when the insecticidal composition is compounded, and the insecticidal composition can play a certain protection role on the pyrazotocobin to a certain extent.
(2) When the pyraclonil and any one of the flufenoxuron, the pymetrozine, the azadirachtin and the furan tebufenozide are compounded, the co-toxicity coefficient is higher than 120, the synergistic effect is obvious, the preventing and killing effect on red spiders can be improved, the spraying dosage can be reduced on the basis, the preventing and treating cost and the pesticide residue are reduced, and the environmental stress is relieved.
Detailed Description
The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Examples: indoor biological activity test after pyraclostrobin nitrile compounding
1. Selection and treatment of test subjects: feeding red spiders collected from macadamia nut trees with clean macadamia nut leaves in a laboratory, and selecting female red spiders with consistent physiological state as test insects after feeding for a period of time. Cutting the double-sided adhesive tape into 2cm long, sticking the double-sided adhesive tape to one end of a glass slide, sticking 30 test insects to the double-sided adhesive tape on each glass slide, placing the glass slide into a container filled with wet sponge, covering the container with a cover, and placing the container at the temperature of (25 +/-1) ° C. Microscopic examination was performed after 2h to remove dead and injured individuals and to replenish 30 slides each.
2. Reagent to be tested: 98% of pyraclonil technical product (Shenyang Kechuang chemical Co., Ltd.), 95% of flufenoxuron technical product (Jiangsu Zhongqi scientific Co., Ltd.), 98% of pymetrozine technical product (Jiangsu Subi biological agro chemical Co., Ltd.), 12% of azadirachtin mother liquor (Henan Heqiangqiang Yingtai pottery scientific Co., Ltd.) and 98% of furan tebufenozide technical product (Jiangsu province, pesticide research institute Co., Ltd.).
3. Preparing a medicament: dissolving the raw materials with dimethyl sulfoxide, diluting with 0.1% Tween-80, respectively preparing single mother liquor, setting multiple groups of ratios, and setting 5-6 gradient mass concentrations of each single agent and each group of mixture according to equal ratio method.
4. Medicament treatment: soaking the glass slide in the liquid medicine, slightly shaking for 5s, taking out, sucking off the excessive liquid medicine by using absorbent paper, placing in a white magnetic disk filled with wet sponge, and covering by using a plastic film with good light transmittance. Each treatment was repeated 4 times and a treatment without agent was blanked.
5. Investigation and analysis: placing a container containing the treated test insects at the temperature of (25 +/-1) DEG C, wherein the photoperiod is L: and D ═ 16: 8) h. After 48h, investigating the death condition of the test insects, respectively recording the total number of the insects and the number of the dead insects of each treatment, calculating the corrected death rate of each treatment according to the total number of the insects and the number of the dead insects, performing regression analysis on the log values of the concentrations of the treatment medicaments and the corrected death rate values of each treatment by using DPS software, calculating EC50 of each treatment medicament, and calculating the co-toxicity coefficient (CTC value) of the mixture according to the Sun Tapei method.
P1(K/N) × 100 wherein P1The mortality is shown, K is the number of dead insects, and N is the total number of treated insects;
P2＝(Pt－P0)/(1－P0) In which P is2To correct mortality, PtTo address mortality, P0Blank control mortality;
the actually measured virulence index (ATI) ═ 39 50 (standard agent/test agent EC50) × 100;
theoretical virulence index (TTI) ═ percentage of a in the a agent virulence index × mix + percentage of B in the B agent virulence index × mix;
the cotoxicity coefficient (CTC) ═ × 100 [ measured virulence index (ATI)/theoretical virulence index (TTI) of the mixture ].
Criteria are divided according to joint action: 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. The results are shown in tables 1-4.
TABLE 1 indoor bioactivity assay of Chlorobipyr and Flufenoxuron on macadimia nut red spiders
As can be seen from Table 1, the mass ratio of the ethaboxam to the flufenoxuron is 1-12: the cotoxicity coefficients within the range of 15-1 are all larger than 120, namely the biological activity of the compound of the pyrazotocystic nitrile and the flufenoxuron to the macadimia nut red spider shows synergistic effect.
TABLE 2 indoor bioactivity assay of YZOMAONITRILE AND PYRINGONE for macadimia nut red spiders
As can be seen from Table 2, the mass ratio of the pyrazotoconazole to the pymetrozine is 1-35: the co-toxicity coefficients within the range of 10-1 are all larger than 120, namely the biological activity of the compound of the pyrazotocystegenin and the pymetrozine to the macadimia nut red spider shows synergistic effect.
TABLE 3 indoor bioactivity assay of Metronidazole and azadirachtin combinations against red spiders of macadamia nuts
| Name and proportion of the medicament | EC50(mg/L) | ATI | TTI | CTC |
| Chlorobipyr | 1.13 | -- | 100.00 | -- |
| Nimbin | 2.56 | -- | 122.83 | -- |
| Ethiazole mite nitrile 1: nimbin 8 | 0.57 | 198.25 | 120.29 | 164.81 |
| Ethiazole mite nitrile 1: nimbin 6 | 0.36 | 313.89 | 119.57 | 262.53 |
| Ethiazole mite nitrile 1: nimbin 4 | 0.29 | 389.66 | 118.26 | 329.49 |
| Ethiazole mite nitrile 1: nimbin 3 | 0.61 | 185.25 | 117.12 | 158.17 |
| Ethiazole mite nitrile 1: nimbin 2 | 0.72 | 156.94 | 115.22 | 136.22 |
| Ethiazole mite nitrile 1: nimbin 1 | 0.43 | 262.79 | 111.41 | 235.87 |
| Ethiazole mite nitrile 5: nimbin 1 | 0.84 | 134.52 | 103.80 | 129.59 |
| Ethiazole mite nitrile 10: nimbin 1 | 0.66 | 171.21 | 102.08 | 167.73 |
| Ethiazole mite nitrile 15: nimbin 1 | 0.50 | 226.00 | 101.43 | 222.82 |
| Ethiazole mite nitrile 20: nimbin 1 | 0.39 | 289.74 | 101.09 | 286.63 |
| Ethiazole mite nitrile 27: nimbin 1 | 0.54 | 209.26 | 100.82 | 207.57 |
As can be seen from Table 3, the mass ratio of the pyrazotocarb to the azadirachtin is 1-27: the cotoxicity coefficients within the range of 8-1 are all larger than 120, namely the biological activity of the compound of the pyrazotocast and the azadirachtin to the macadimia nut red spider shows synergistic effect.
TABLE 4 indoor bioactivity assay of YZOMAONITRILE AND FURAN CHLOROMAN HYDRAZIDE on macadimia nut red spiders
As can be seen from Table 4, the mass ratio of the ethaboxam to the furan tebufenozide is 1-42: the cotoxicity coefficients within the range of 31-1 are all larger than 120, namely the biological activity of the compound of the ethaboxam and the furan tebufenozide to the macadimia nut red spider shows synergistic effect.
In conclusion, when the pyraclonil and any one of the flufenoxuron, the pymetrozine, the azadirachtin and the furan tebufenozide are compounded, the co-toxicity coefficient is higher than 120, the synergistic effect is obvious, the control effect on the red spiders can be improved, the control cost and the pesticide residue are reduced, and the environmental stress is relieved.
The foregoing descriptions of specific exemplary embodiments of the present invention have been 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 certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and 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 (5)
1. The insecticidal composition for preventing and treating macadimia nut red spiders is characterized in that the effective components are compounded by ethaboxam and a compound A; wherein the compound A is any one of flufenoxuron, pymetrozine, azadirachtin and furan tebufenozide.
2. The insecticidal composition for controlling macadimia nut red spiders according to claim 1, wherein the mass ratio of the ethaboxam to the flufenoxuron is 1-12: 15-1.
3. The insecticidal composition for controlling macadimia nut red spiders according to claim 1, wherein the mass ratio of the ethaboxam to the pymetrozine is 1-35: 10-1.
4. The insecticidal composition for controlling macadimia nut red spiders according to claim 1, wherein the mass ratio of the ethaboxam to the azadirachtin is 1-27: 8-1.
5. The insecticidal composition for controlling macadimia nut red spiders according to claim 1, wherein the mass ratio of the ethacrylonitrile to the furan tebufenozide is 1-42: 31-1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115968892A (en) * | 2023-01-13 | 2023-04-18 | 广西壮族自治区农业科学院 | Insecticidal composition for preventing and treating taro Tian Gong spiders |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104663705A (en) * | 2013-11-26 | 2015-06-03 | 中国中化股份有限公司 | Pest-killing and mite-killing composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104663705A (en) * | 2013-11-26 | 2015-06-03 | 中国中化股份有限公司 | Pest-killing and mite-killing composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115968892A (en) * | 2023-01-13 | 2023-04-18 | 广西壮族自治区农业科学院 | Insecticidal composition for preventing and treating taro Tian Gong spiders |
| CN115968892B (en) * | 2023-01-13 | 2024-05-03 | 广西壮族自治区农业科学院 | Insecticidal composition for preventing and controlling taro field red spiders |
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