Weed Community Dynamics and Integrated Management Techniques

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Protection, Diseases, Pests and Weeds".

Deadline for manuscript submissions: 15 August 2026 | Viewed by 717

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Agronomy Department, Faculty of Agronomy, Horticulture and Biotechnology, Poznań University of Life Sciences, Dojazd 11, 60-632 Poznań, Poland
Interests: crop protection; weed control; adjuvant; herbicide; weed resistance
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Dear Colleagues,

Modern agriculture is aimed at providing high-quality plants for food and animal feed. Crops are exposed to numerous factors, including weeds, pathogens, and pests, affecting both the yield and quality of crops. It is important to learn about the changes in the composition of these organism communities and the relationships they have with the environment, habitat, crops, and human activity. It is crucial to define the direction of change and describe the interdependencies between these factors for the effective protection of crops against threats from weeds, pathogens, and pests. Understanding the factors affecting their development, species composition, and harmfulness will allow the development or improvement of currently used pest control methods. Consumer pressure forces producers to change their approach to plant protection, with an emphasis on the use of non-chemical methods or limiting the use of chemical methods.

The Special Issue will be devoted to modern technologies of crop production, with interdisciplinary research covering the biology of weeds, pests and pathogens, the species composition of their communities, and changes over the years. It will also include proposals for plant protection that fit into the latest technologies. The submitted proposals should include original scientific articles as well as review articles, opinions, or reviews.

Dr. Robert Idziak
Guest Editor

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Keywords

  • pest management
  • weed communities
  • crops
  • pathogens
  • integrated plant protection
  • chemical and non-chemical methods

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Published Papers (1 paper)

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Research

20 pages, 5255 KB  
Article
Weed Communities and Their Diversity Depending on the Age of the Plantation and Selected Plant Species Intended for Energy Purposes
by Tomasz R. Sekutowski, Miłosz Zardzewiały, Justyna Belcar and Józef Gorzelany
Agriculture 2026, 16(7), 778; https://doi.org/10.3390/agriculture16070778 - 31 Mar 2026
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Abstract
In the conducted study, the structure of weed communities and their dynamics were assessed and compared in relation to plantation age and the species of energy crop. Weed diversity within the stands of the investigated energy crops was evaluated in three-year cycles, from [...] Read more.
In the conducted study, the structure of weed communities and their dynamics were assessed and compared in relation to plantation age and the species of energy crop. Weed diversity within the stands of the investigated energy crops was evaluated in three-year cycles, from 2006 to 2024. The assessment of weed diversity in the stands of the studied energy crops was conducted in three-year cycles, i.e., in the first year of cultivation (2006—the year of plantation establishment), the fourth year of cultivation (2009), the seventh year of cultivation (2012), the tenth year of cultivation (2015), the thirteenth year of cultivation (2018), the sixteenth year of cultivation (2021), and the nineteenth year of cultivation (2024). The species composition of weed communities and the abundance of individual weed species were determined. The diversity and dominance patterns of weed communities occurring in Salix viminalis, Miscanthus × giganteus, and Phalaris arundinacea were described using two indices: the Shannon–Wiener diversity index and the Simpson dominance index. As a result of the conducted observations, it was found that weed abundance, species diversity, and weed infestation dynamics depended on the energy crop species and the age of the plantation. Greater interannual variability was observed in weed abundance, whereas species richness remained relatively more stable between years. The highest species diversity was recorded in the Salix viminalis plantation, where a total of 53 weed species were identified. In contrast, considerably fewer taxa were found in Miscanthus × giganteus (42 species) and Phalaris arundinacea (41 species). Moreover, it was found that regardless of the energy crop species, segetal weeds dominated during the first years of cultivation, i.e., E. crus-galli, A. spica-venti, A. retroflexus, Ch. album, M. inodora, and V. arvensis. In subsequent years of cultivation, however, the dominant species were ruderal weeds, such as A. vulgaris, T. officinale, and U. dioica, as well as invasive species, e.g., S. canadensis and S. gigantea. In subsequent years, ruderal species became dominant. The Shannon–Wiener diversity and Simpson dominance indices indicated differences in species richness and the relative abundance of individual weed species. The highest values of the Shannon–Wiener diversity index and the lowest values of the Simpson dominance index were recorded in weed communities of Salix viminalis plantations aged 7–16 years after establishment. In contrast, the highest Simpson index values, indicating dominance by one or a few weed species, were observed in the first year of cultivation regardless of the energy crop species, as well as in the 19-year-old Miscanthus × giganteus plantation. Full article
(This article belongs to the Special Issue Weed Community Dynamics and Integrated Management Techniques)
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