A method for suppressing allergenic Artemisia species and establishing aerial seeding vegetation around towns

CN122349902APending Publication Date: 2026-07-10MENGCAO ECOLOGICAL ENVIRONMENT (GRP) CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MENGCAO ECOLOGICAL ENVIRONMENT (GRP) CO LTD
Filing Date
2026-03-25
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Artemisia species are widely distributed around towns and cities, causing pollen allergies. Manual or mechanical removal is costly and can easily exacerbate pollen dispersal, making it difficult to effectively control their spread and pollen release.

Method used

Using drones to apply soil-sealing herbicides before or at the early stage of Artemisia spp. Combined with drone seeding of target plant combinations during the rainy season, including pioneer species, dominant species, companion species, and landscape flowers, vegetation monitoring and management are carried out.

Benefits of technology

It effectively inhibits the spread of Artemisia species, reduces pollen release, increases vegetation cover and diversity, improves soil quality, alleviates pollen allergy problems, and improves land degradation.

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Abstract

This invention discloses a method for suppressing allergenic Artemisia species and establishing vegetation through aerial seeding around urban areas, belonging to the field of Artemisia control technology. The method includes: S1, applying a soil-sealing herbicide by drone before or at the early stage of Artemisia germination; the soil-sealing herbicide is one or more of pendimethalin, acetochlor, or S-metolachlor, combined with an adjuvant of fatty alcohol polyoxyethylene ether at 0.5%-1% of the total amount; a compound formulation of the adjuvant; S2, before continuous rainfall during the rainy season in July and August, using drones to aerially seed a combination of seeds consisting of pioneer species *Alternanthera philoxeroides*, dominant species *Leymus chinensis* and *Cephalotaxus fortunei*, and associated species such as *Alfalfa* and *Lysimachia nummularia*, at a seeding rate of 1.5-2.5 kg / mu; S3, monitoring and managing the vegetation in the restoration area. This invention cuts off allergens at the source, effectively suppresses Artemisia germination by constructing a structurally stable alternative community, significantly improves vegetation coverage, species diversity, and soil fertility, achieving the dual goals of ecological restoration and allergen control.
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