Weeds: Role and Management in Agroecosystems

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Ecology".

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 3582

Special Issue Editors


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Guest Editor
Department of Agricultural and Environmental Science, University of Bari, Bari, Italy
Interests: bioherbicides; weed biocontrol; bioactive metabolites; sustainable weed management; cover crops; soil management
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Italian National Research Council | CNR, Institute of Sciences of Food Production ISPA, Bari, Italy
Interests: bioherbicides; weed biocontrol; parasitic weeds; bioactive metabolites; fungal toxins; sustainable weed management

Special Issue Information

Spontaneous flora, meant as desired plants or noxious weeds, affect both the stability and productivity of the agroecosystems. Stability can be guaranteed, for example by a high level of phytodiversity, or by the favourable composition of the weed community, having poor competitiveness or the capability to  improve the physic-chemical characteristics of the soil.  The productivity of agroecosystems can be affected by the infestation level and species composition. All these complex effects must be considered in order to design socially, economically and environmentally sustainable weed management systems.

We invite colleagues to send their scientific articles, to contribute improving knowledge to this transversal topic of Weed Science, and proposing new approaches for sustainable weed management. Contribution can regard, among others, the following subjects:

  • What makes a plant a weed?
  • Relationships between weed community composition and crop yield
  • Influence of weed management strategies on weed community composition and soil seed bank
  • Species traits: a functional analysis of weed communities.
  • Ecological role of weeds in the agroecosystems
  • Invasive weeds: cause or consequence of agrosystem alterations
  • Changes in weed community in a changing climate
  • Biological weed control as exploitation of the interactions between plants and other organisms in the agroecosystem
  • Weeds as a resource for agriculture and human needs

Dr. Mariano Fracchiolla
Mr. Maurizio Vurro
Guest Editors

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Keywords

  • weed community
  • biodiversity
  • invasive weeds
  • sustainable weed management
  • crop-weed relationships
  • biological control
  • soil seed bank
  • agroecosystem

Published Papers (1 paper)

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Research

12 pages, 759 KiB  
Article
Effects of Weed Control Practices on Plant Diversity in a Homogenous Olive-Dominated Landscape (South-East of Italy)
by Massimo Terzi, Emanuele Barca, Eugenio Cazzato, Francesco Saverio D’Amico, Cesare Lasorella and Mariano Fracchiolla
Plants 2021, 10(6), 1090; https://doi.org/10.3390/plants10061090 - 29 May 2021
Cited by 9 | Viewed by 2647
Abstract
Olive groves represent an important economic, agro-ecological, and cultural resource in the Mediterranean Basin. Weed management plays a fundamental role in their sustainable management. The aim of this work was to characterize and assess the plant diversity associated with different weed control practices, [...] Read more.
Olive groves represent an important economic, agro-ecological, and cultural resource in the Mediterranean Basin. Weed management plays a fundamental role in their sustainable management. The aim of this work was to characterize and assess the plant diversity associated with different weed control practices, in a homogeneous olive-dominated landscape in the South-East of Italy. Sixty-five vegetation plots were sampled in orchards treated with different weed control practices: mowing, tillage, and use of chemical herbicides. The multi-response permutation procedure was used to test the hypothesis of no difference among the treatments. The relationships between plots were visualized by means of non-metric multidimensional scaling ordination. A generalized linear mixed model was used to analyze the relationships between weed control practices and life forms, chorotypes, and diversity indexes. The results showed that the three weed control practices determined slightly different plant communities. Chemically weeded orchards showed an impoverished floristic composition and the lowest diversity, whereas mowing and tillage yielded similar values. These latter two treatments differed for the percentages of hemicryptophytes and therophytes. Moreover, different from other studies, we did not find plant species of particular concern for biodiversity conservation. We hypothesize that this result is due to the monotonous structure of the agro-landscape we investigated, where natural elements are almost lacking. From this point of view, a correct management of agro-districts should consider both the agronomic practices at the level of the individual olive groves and the structure of the agro-landscape. Full article
(This article belongs to the Special Issue Weeds: Role and Management in Agroecosystems)
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