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Agronomy
Special Issues
Weed Management and Herbicide Efficacy Based on Future Climates
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Weed Management and Herbicide Efficacy Based on Future Climates

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Grassland and Pasture Science".

Deadline for manuscript submissions: 15 July 2025 | Viewed by 706

Special Issue Editors

Dr. Laszlo Radocz

E-Mail Website
Guest Editor
Institute of Plant Protection, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, H-4032 Debrecen, Hungary
Interests: biological weed control; weed ecology; weed management; control of invasive weed species; weed pathogens
Prof. Dr. Fujiang Hou

E-Mail Website
Guest Editor
College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
Interests: grassland; grazing; livestock production; greenhouse gases
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Global climate change, which has shown a significant rate of acceleration in the last 20 years, results in very important changes in the biology of weeds, their associations, and the development of their damage in all agricultural zones of the Earth. Adapting to the changing environment, new plant biotypes appear and become significant pests in some areas. Nowadays, one of the biggest challenges of agricultural and forestry activities is adapting to climate change through the implementation of effective weed control.

The latest weed control research directions already take into account the trends in the reduction in the active ingredients of classic herbicides, the growing problems of herbicide resistance, and the growing environmental protection expectations.

With this Special Issue of Agronomy, we seek integrative studies that present the biological, physiological, and associative changes of significant weed species and plant communities due to climate change, as well as reviews that offer original perspectives on the development of weed management of major crops. Furthermore, the presentation of new machines and technical solutions that can help the implementation of new herbicide treatments and that can solve the new problems arising in the biology and competitiveness of weeds due to climate change. We encourage contributions that investigate the developments of different technologies for effective weed management under changing environmental conditions.

Dr. Laszlo Radocz
Prof. Dr. Fujiang Hou
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • weed biology
  • weed associations
  • invasive weed species
  • weed management
  • climate change

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Published Papers (1 paper)

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Research

23 pages, 3960 KiB  
Article
Zero-Tillage Induces Reduced Bio-Efficacy Against Weed Species Amaranthus retroflexus L. Dependent on Atrazine Formulation
by D. Luke R. Wardak, Faheem N. Padia, Martine I. de Heer, Craig J. Sturrock and Sacha J. Mooney
Agronomy 2025, 15(2), 360; https://doi.org/10.3390/agronomy15020360 - 30 Jan 2025
Viewed by 330
Abstract
Zero-tillage (ZT) is a conservation soil management approach which relies more heavily on herbicide application for weed control than in ploughed soil. Changes in soil management can influence the structure and organisation of pore space in soil, which drives changes in the transport [...] Read more.
Zero-tillage (ZT) is a conservation soil management approach which relies more heavily on herbicide application for weed control than in ploughed soil. Changes in soil management can influence the structure and organisation of pore space in soil, which drives changes in the transport of particulates and dissolved substances. Formulation of pesticides can be used to change the delivery of active ingredients to soil; however, it is currently unknown how changing the formulation of an herbicide can influence the transport properties between ZT vs. ploughing. We investigated the bioefficacy of two formulations of the herbicide atrazine, a pre- and post-emergence herbicide that inhibits photosystem II. Bioefficacy was assessed using physical measures and survival analysis of an early photosynthesis-dependent weed species, Amaranthus retroflexus L., over time, and soil pore network structure was assessed by analysing three-dimensional images produced by X-ray Computed Tomography. Increasing the herbicide application rate generally improved bioefficacy, though it was reduced in soils managed under ZT. Under herbicide-treated ZT samples, survival time was higher, ranging from 13.4 to 18.2 days compared with 12.6 to 15.4 days in ploughed samples, the mean dry plant mass was higher, ranging from 0.5 to 2.5 mg compared with 0.05 to 0.68 mg in ploughed samples, and the mean total plant length was higher, ranging from 1.73 to 12.1 mm compared with 0.2 to 5.45 mm in ploughed samples. Changes in the soil pore network previously demonstrated to be indicators of preferential transport were correlated with measures of bioefficacy, including pore thickness and connectivity density. Reduced atrazine efficacy under ZT is problematic considering the inherent reliance on chemical methods for weed control, we suggest that pursuing formulation strategies to alleviate potential risks of loss via preferential transport may be fruitful. Full article
(This article belongs to the Special Issue Weed Management and Herbicide Efficacy Based on Future Climates)
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