Future management of arable perennials - an introduction to the project AC/DC-weeds
2020
Zhang, Han | Andert, Sabine | Brandsæter, Lars Olav | Rasmussen, Jesper | Robin, Marie-Helene | Salonen, Jukka | Tørresen, Kirsten S. | Valantin-Morison, Muriel | Gerowitt, Bärbel
Creeping perennial weeds have strong negative impacts on arable production. The common control practices are intensive inversion tillage and chemical herbicides. However, these traditional methods negatively affect non-target species and the environment. The objective of the SusCrop-ERA-NET funded European project ‘AC/DC-weeds’ is to implement agro-ecological management for creeping perennials in arable farming. The overall aim of this project is to reduce plough-tillage in organic and conventional farming, and to replace glyphosate in the latter system. From 2019 to 2022, this project involves seven partners from five European countries. Focusing on three important perennial species in central and northern Europe (Sonchus arvensis, Cirsium arvense and Elymus repens), AC/DC-weeds will thoroughly study the ecology and agronomical management of these species through systematic literature reviews and experiments. Novel agro-ecological management of these species is examined in field experiments and semifield approaches. Innovative technology will be used to identify and monitor the distribution of these weeds on fields. Qualitative models are developed to make use of existing knowledge and expertise of the influences on perennial infestations in management decisions. A graphic web tool will enable visualization of the growth of the species and the effects of weed management. Environmental and economic evaluations on different weed management accompany the experimental and modelling work.
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