Ancient varieties can help control weed density while preserving weed diversity Article Swipe
Ana Ailén Federico
,
Eric Pimet
,
Arnaud Coffin
,
Chantal Ducourtieux
,
Wilfried Queyrel
,
Andrés G. Rolhauser
,
Santiago L. Poggio
,
Jean‐Philippe Guillemin
,
Manuel Blouin
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.5281/zenodo.8428384
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.5281/zenodo.8428384
Weeds are a major component of agricultural diversity affecting crop yield and ecosystem services. Compared to modern varieties, ancient wheat cultivars (released before 1960) are taller and this trait can be used to control weeds in organic farming systems, especially without herbicides. However, there is still a lack of quantitative assessments of the relative contribution of wheat breeding-history (ancient vs modern varieties) and synthetic inputs in explaining weed density and community structure. In this study, a field experiment was undertaken where five modern and five ancient varieties were either treated as in a conventional system with synthetic inputs (nitrogen, herbicide and fungicide) or as in an organic system without synthetic inputs. Crop light interception and weed density was recorded for 12 weeks until crop maturity. On average, ancient varieties reduced weed density by 17% compared with modern varieties, while the application of chemical inputs was responsible for an average reduction of 37%. The stronger competitive effect of ancient varieties was associated with increased sunlight interception. Species richness was higher in the absence of inputs for some weeks, but not by the end of the experiment. The field-based results illustrated that ancient varieties helped to control weed density in organic systems that do not rely on synthetic inputs to control weeds. Despite this effect of crop interference on weed density, a reduction in weed diversity was not observed. These findings could be of particular interest to promote agrobiodiversity in agricultural systems without synthetic inputs.
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Metadata
- Type
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- en
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- OpenAlex ID
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All OpenAlex metadata
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https://doi.org/10.5281/zenodo.8428384Digital Object Identifier
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Ancient varieties can help control weed density while preserving weed diversityWork title
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datasetOpenAlex work type
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enPrimary language
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2023Year of publication
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2023-10-10Full publication date if available
- Authors
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Ana Ailén Federico, Eric Pimet, Arnaud Coffin, Chantal Ducourtieux, Wilfried Queyrel, Andrés G. Rolhauser, Santiago L. Poggio, Jean‐Philippe Guillemin, Manuel BlouinList of authors in order
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://zenodo.org/record/8428384Direct OA link when available
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Weed, Diversity (politics), Weed control, Geography, Biology, Agroforestry, Agronomy, Sociology, AnthropologyTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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