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A compound plant insecticide for killing mosquito larvae and its preparation and application

A plant insecticide and insecticide technology, which is applied in the fields of botanical equipment and methods, insecticides, plant growth regulators, etc., can solve the problems of waste, idle resources, environmental burden, etc., and achieves low equipment requirements and raw materials. Easy-to-obtain, easy-to-decompose effects

Inactive Publication Date: 2018-07-03
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, the random discarding of a large number of agricultural wastes today not only causes a lot of resources to be idle and wasted, but also causes a certain burden on the environment. Therefore, to realize the recycling of agricultural waste resources and fully utilize the idle resources Some social and economic value, to achieve sustainable development has become the direction of today's agricultural development

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 80% of raw materials and 20% of conventional excipients are used to form plant-derived biological insecticides for killing mosquito larvae

[0032]Respectively weigh the branches, stems, and leaves that are trimmed or naturally shed from plants such as tomato, garlic, ground brocade, ginger, potato, camphor, heather, tulip tree, and philodendron, as well as those that are discarded during the production and processing of other products. , flowers, fruits or their mixtures are dried and ground into powder (20 mesh granules) in a total of 100g (20% of which are tomato, 10% garlic, 10% brocade, 10% ginger, 10% potato, 10% camphor, heather 10%, Liriodendron 10%, camptophyllum 10%), soak 2d at room temperature with 70% ethanol solution 500ml, filter, get the filtrate of nine kinds of extracts and concentrate under reduced pressure to recover the solvent to obtain the extraction extract, then add 20% Tween is stirred according to the conventional process to make it evenly mix...

Embodiment 2

[0034] 70% of raw materials and 30% of conventional excipients form a botanical biopesticide for killing mosquito larvae

[0035] Respectively weigh the branches, stems, and leaves that are trimmed or naturally shed from plants such as tomato, garlic, ground brocade, ginger, potato, camphor, heather, tulip tree, and philodendron, as well as those that are discarded during the production and processing of other products. , flowers, fruits or their mixtures are dried and ground into powder (20-mesh granules) totaling 200g (including 10% tomato, 30% garlic, 15% brocade, 5% ginger, 5% potato, 5% camphor, heather 20%, Liriodendron 5%, camptophyllum 5%), impregnate 3d at room temperature with 2000ml of 50% ethanol solution, filter, get its filtrate and concentrate under reduced pressure to recover the solvent to obtain extract extract, then add the weight of the whole plant source The Tween of 30% of biopesticide is stirred according to the conventional process to make it evenly mix...

Embodiment 3

[0037] 40% of raw materials and 60% of conventional excipients form a botanical biological insecticide for killing mosquito larvae

[0038] Respectively weigh the branches, stems, and leaves that are trimmed or naturally shed from plants such as tomato, garlic, ground brocade, ginger, potato, camphor, heather, tulip tree, and philodendron, as well as those that are discarded during the production and processing of other products. , flowers, fruits or their mixtures are dried and ground into powder (20 mesh particles) in total 200g (8% of which are tomato, 15% garlic, 15% brocade, 8% ginger, 8% potato, 15% camphor, heather 15%, Liriodendron 8%, camptophyllum 8%), soak 1d at room temperature with 1500ml of 30% ethanol solution, filter, get its filtrate and concentrate under reduced pressure to recover the solvent to obtain extract extract, then add the weight of the whole plant source 60% of the conventional auxiliary materials of the biopesticide are prepared into a botanical b...

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PUM

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Abstract

The present invention provides a compound botanical insecticide for mosquito larvae control, a preparation method therefor and applications thereof. The insecticide consists of a bulk drug and conventional auxiliaries, wherein the mass of the bulk drug is 40-80% of the mass of the insecticide, and the mass of the conventional auxiliaries is 20-60% of the mass of the insecticide. The bulk drug comprises the following components in weight percentages based on the total weight of the bulk drug: 2-20% of a tomato extract, 5-30% of a garlic extract, 5-30% of a Euphorbia humifusa extract, 5-10% of a ginger extract, 5-25% of a potato extract, 5-30% of a Cinnamomum camphora extract, 5-20% of a photinia extract, 5-15% of a Liriodendron chinense extract, and 4-10% of a Camptotheca acuminata extract. The compound botanical insecticide for mosquito larvae control provided by the present invention is high in efficiency, free of residuals, low in production cost, economical and practical, environmentally-friendly, and excellent in comprehensive properties, and comprises agricultural wastes.

Description

technical field [0001] The invention relates to a plant insecticide for killing mosquito larvae in the technical field of biological control of hygienic insect pests, in particular to a compound plant insecticide using waste plant resources for killing mosquito larvae and its preparation and application . Background technique [0002] Mosquitoes are tiny flying insects with piercing-sucking mouthparts and are one of the four pests. The deadliest animal in the world ranks NO.1 mosquito, which kills more than 725,000 people every year. Usually the females feed on blood, while the males drink the sap of plants. Mosquitoes have their own anti-virus organs and cannot transmit viruses through bites. Blood-sucking female mosquitoes are intermediate hosts for other pathogens such as dengue fever, malaria, yellow fever, filariasis, and Japanese encephalitis. [0003] At present, the main components of mosquito killers on the market are pyrethroids, such as tetramethrin, permethrin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N65/48A01P7/04
CPCY02A50/30
Inventor 代光辉陈义娟
Owner SHANGHAI JIAOTONG UNIV
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