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Nimbin and flucycloxuron mixed microemulsion

A technology of azadirachtin and flufenoxuron is applied in the directions of biocides, animal repellents, plant growth regulators, etc., and can solve the problem that cruciferous crops are prone to phytotoxicity, the dosage of chemical pesticides is increased, and pests are generated. Drug resistance and other problems, to achieve the effect of broadening the scope of use, reducing the dosage, and delaying drug resistance

Inactive Publication Date: 2005-03-16
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Because people rely solely on the use of a certain type of pesticide for a long time, pests are prone to develop resistance, resulting in a sharp increase in the amount of chemical pesticides used, polluting the environment, and killing a large number of natural enemies of pests. It will produce drug resistance, lead to rampant damage of pests, and easily cause human and animal poisoning
[0003] Azadirachtin is a compound derived from the plant Neem. It has excellent insecticidal activity and is effective against almost all agricultural pests. It degrades quickly in the environment and does not harm natural enemies and other non-target organisms. It is a universally recognized Excellent biopesticide, its disadvantage is unstable
Flufenuron is a kind of insecticide with high efficiency and low toxicity, especially for lepidopteran pests with high efficiency and strong selectivity.

Method used

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  • Nimbin and flucycloxuron mixed microemulsion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment one: the preparation of 10% azadirachtin and flufenuron microemulsion, the distribution ratio of each component is by weight:

[0019] Azadirachtin 0.5%,

[0020] Flufenuron is 19.5%,

[0021] Emulsifier: 20% calcium salt of alkylbenzenesulfonate,

[0022] Stabilizer: cresyl glycidyl ether 13%,

[0023] Solvent: butanone is 20%,

[0024] Antifreeze: 3% sorbitol,

[0025] Deionized water is 24%;

[0026] Stir each component in a stirrer, heat and invert phases to obtain the product.

Embodiment 2

[0027] Embodiment two: the preparation of 30% azadirachtin and flufenuron microemulsion, the distribution ratio of each component is by weight:

[0028] Azadirachtin 1.2%,

[0029] Flufenuron is 38.8%,

[0030] Emulsifier: 10% styrene polyoxyethylene ether ammonium sulfate,

[0031] Stabilizer: 5% butyl glycidyl ether,

[0032] Solvent: butanone is 20%,

[0033] Antifreeze: 3% polyethylene glycol,

[0034] Deionized water is 22%;

[0035] Stir each component in a stirrer, heat and invert phases to obtain the product.

Embodiment 3

[0036] Embodiment three: the preparation of 40% azadirachtin and flufenuron microemulsion, the distribution ratio of each component is by weight:

[0037] Azadirachtin 1.5%,

[0038] Flufenuron is 43.5%,

[0039] Emulsifier: 8% nonylphenol polyoxyethylene ether,

[0040] Stabilizer: cresyl glycidyl ether 12%,

[0041] Solvent: butanone is 20%,

[0042] Antifreeze: 3% glycerol,

[0043] 12% deionized water;

[0044] Stir each component in a stirrer, heat and invert phases to obtain the product.

[0045] Experimental effect of azadirachtin and flufenuron mixed microemulsion:

[0046] Table 1 is: the control effect of 10% azadirachtin and flufenuron microemulsion on diamondback moth larvae

[0047] Table 2 is: the control effect of 30% azadirachtin and flufenuron microemulsion on beet armyworm larvae

[0048] Table 3 is: the control effect of 40% azadirachtin and flufenuron microemulsion on beet armyworm larvae

[0049] It can be seen from Table 1 that the control effect...

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Abstract

Disclosed is an agricultural chemical microemulsion mixture of nimbin and flucycloxuron, which is a microemulsion employing nimbin and flucycloxuron as the principal raw materials, the synergic action between nimbin and flucycloxuron in the mixture can be utilized to overcome the insect drug resistance, prevent the phytotoxicity of flucycloxuron, enlarge the range of use for the medicament, letdown dosage and extend effect sustaining period for the medicament.

Description

technical field [0001] The invention belongs to the compounding of pesticides and a preparation method thereof, in particular to the compounding of azadirachtin and flufenuron. technical background [0002] Because people rely solely on the use of a certain type of pesticide for a long time, pests are prone to develop resistance, resulting in a sharp increase in the amount of chemical pesticides used, polluting the environment, and killing a large number of natural enemies of pests. It will produce drug resistance, lead to rampant damage of pests, and easily cause human and animal poisoning. [0003] Azadirachtin is a compound derived from the plant Neem. It has excellent insecticidal activity and is effective against almost all agricultural pests. It degrades quickly in the environment and does not harm natural enemies and other non-target organisms. It is a universally recognized Excellent biopesticide, its disadvantage is instability. Flufenuron...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N47/28
Inventor 徐汉虹田永清
Owner SOUTH CHINA AGRI UNIV
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