EIP Project Database

Find EIP-AGRI projects in Germany

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LURUU – Application of laser light to control weed plants prone to develop resistance to chemical herbicides

Authority

Niedersächsisches Ministerium für Ernährung, Landwirtschaft und Verbraucherschutz

Federal State

Lower Saxony and Bremen

Contact

Calenberger Straße 2
30169 Hannover

Website: External link to the authority

Project Title

LURUU – Application of laser light to control weed plants prone to develop resistance to chemical herbicides

Project description

Weeds are becoming increasingly resistant to numerous herbicides due to the use of a limited set of active substances in chemical pesticides, close grain crop rotation and increasing ploughless soil tillage. The approach of this project is using mobile laser technology as innovative method of controlling resistant grasses such as black-grass (Alopecurus myosuroides) and loose silky-bent (Apera spica-venti). Regarding sustainability (e.g. conservation tillage) and biodiversity / climate protection (no use of chemical pesticides), the use of laser technology offers a forward-looking alternative. For this purpose, a laser treatment device for use in the field is being developed to effectively and sustainably control black-grass and loose silky-bent. Three different control strategies are investigated on an affected area. Based on the obtained data, the laser treatment is analyzed in practice and evaluated from an agricultural, technical and economic point of view.

Results focusing on practiceorientation

The aim of the project was to investigate the use of laser technology to control resistant weeds and grass weeds in crops such as winter wheat. 
Therefore, a ready-to-use laser applicator was developed. A generator provides the power supply. Terrain mobility is limited to dry weather conditions. Detection of the target weeds is partially automated. The automatic detection system provides suggestions, which can be edited by the operator. The subsequent irradiation process is automated. 
Field trials on weed management were repeated in triplicate. In each trial, laser-, conventional- and a combined treatment were directly compared. The test results show a significant effect of laser irradiation on weed reduction. 
The results also demonstrate that parameters for treatment timing and number of repetitions adapted to the effectiveness of the laser treatment, are suitable for achieving successful weed control.

Key words

  • Equipment and machinery
  • Pest/disease control in plants
  • Arable crops
  • Digitalisation, incl. data and data technologies

Main funding source

Rural development 2014-2020 for Operational Groups (in the sense of Art 56 of Reg.1305/2013)

OG contact information

Laser Zentrum Hannover e.V
Hollerithallee 8
30419 Hannover

Phone: 0511/2788212

Email: m.wollweber@lzh.de

Type of OG partners

  • Farmer
  • Advisor
  • Researcher

Begin of project

2020

Project status

completed

Total budget applied for in EUR

480,899

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