Advances in Weed Control and Management

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Protection and Biotic Interactions".

Deadline for manuscript submissions: 20 March 2026 | Viewed by 712

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Guest Editor
Department of Chemistry, Universidade Federal de Viçosa (UFV), Vicosa, Brazil
Interests: organic synthesis; natural products; theoretical calculation; spectrometric methods; structure identification; pesticide science
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Natural products, particularly plant-derived secondary metabolites, have received increased attention as promising sources of herbicidal agents. These compounds often exhibit high biological activity and structural diversity, making them attractive candidates for the development of environmentally benign herbicides. Moreover, the exploration of synthetic analogues of these natural scaffolds allows for the fine-tuning of their efficacy, stability, and selectivity. Advances in phytochemistry, molecular biology, and mode-of-action studies have facilitated a deeper understanding of how these compounds exert their phytotoxic effects. Together, these efforts contribute to the discovery and rational design of novel herbicidal agents that align with current demands for agricultural sustainability and reduced environmental risk.

Prof. Dr. Elson S. Alvarenga
Guest Editor

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Keywords

  • herbicides
  • natural products
  • docking
  • bioassay
  • bioactive compounds

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Published Papers (1 paper)

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Research

20 pages, 769 KB  
Article
Morphophysiological and Nutritional Responses of Bean Cultivars in Competition with Digitaria insularis
by Leandro Galon, Carlos Daniel Balla, Otilo Daniel Henz Neto, Lucas Tedesco, Germani Concenço, Ândrea Machado Pereira Franco, Aline Diovana Ribeiro dos Anjos, Otávio Augusto Dassoler, Michelangelo Muzell Trezzi and Gismael Francisco Perin
Plants 2025, 14(17), 2684; https://doi.org/10.3390/plants14172684 - 28 Aug 2025
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Abstract
Studies exploring the competitive interactions between common beans and weeds are essential to adopt more efficient management strategies in the field, thereby reducing production costs. This study aimed to evaluate the competitive ability of bean cultivars in the presence of sourgrass (Digitaria [...] Read more.
Studies exploring the competitive interactions between common beans and weeds are essential to adopt more efficient management strategies in the field, thereby reducing production costs. This study aimed to evaluate the competitive ability of bean cultivars in the presence of sourgrass (Digitaria insularis), using different plant proportions in associations. The experiments were conducted in a greenhouse, arranged in a randomized block design with four replications, from October 2020 to February 2021. Treatments were organized in the following plant proportions of beans and sourgrass: 100:0, 75:25, 50:50, 25:75, and 0:100%. The competitiveness analysis was carried out using replacement series diagrams and relative competitiveness indices. At 50 days after emergence (DAE), measurements were taken for leaf area, plant height, gas exchange, shoot dry mass, and nutrient concentration in bean leaves. The results show that interference between common bean cultivars and sourgrass involves equivalent competition mechanisms. Increasing sourgrass density negatively affects physiological traits and gas exchange in beans by about 10%. Beans show about 15% higher relative growth than sourgrass, based on competitiveness indices. Nutrient levels vary by cultivar and competitor ratio. Intercropping harms species more than intraspecific competition. Further field studies should determine critical control stages and economic impacts, aiding weed management decisions in bean production. Full article
(This article belongs to the Special Issue Advances in Weed Control and Management)
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