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Agronomy
Special Issues
Herbicide Selectivity to Crops
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Herbicide Selectivity to Crops

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

Deadline for manuscript submissions: closed (15 March 2024) | Viewed by 1925

Special Issue Editors

Dr. Kassio Ferreira Mendes

E-Mail Website
Guest Editor
Departamento de Ciências Agronômicas, Universidade Federal de Viçosa (UFV), Viçosa 36570-900, Brazil
Interests: integrated weed management; soil behavior of herbicides
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Miriam Hiroko Inoue

E-Mail Website
Guest Editor
Departamento de Agronomia, Mato Grosso State University, Tangará da Serra 78300-970, MT, Brazil
Interests: integrated weed management; soil behavior of herbicides

Special Issue Information

Dear Colleagues,

Herbicide selectivity, also known as tolerance, is a measurement of how different plant species respond to a particular herbicide. It is the cornerstone of effective chemical weed control in crop production systems. Herbicides can be used to control weeds in crops due to their selectivity. To be effective, the herbicide (or herbicide mixture) must control weeds to an acceptable degree without seriously harming the crop or reducing the yield. Herbicides can only be selective for a particular crop up to a certain point. A complex interaction between the plant, the herbicide, and the environment determines the limits. There are many ways to accomplish this, and in reality, a combination of two or more selectivity methods frequently results in overall crop tolerance. This Special Issue will cover all topics related to herbicide selectivity for crops.

Dr. Kassio Ferreira Mendes
Prof. Dr. Miriam Hiroko Inoue
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

  • metabolism
  • absorption
  • translocation
  • chemical control
  • weeds

Published Papers (2 papers)

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Research

21 pages, 11702 KiB  
Article
Effects of Penoxsulam on Photosynthetic Characteristics and Safety Evaluation of Foxtail Millet
by Shuqi Dong, Tingting Chen, Yang Xu, Ying Hou, Jiaxin Qiao, Xuena Zhou, Yinyuan Wen, Wenbin Zhou, Chunyan Hu and Xiangyang Yuan
Agronomy 2024, 14(4), 641; https://doi.org/10.3390/agronomy14040641 - 22 Mar 2024
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Abstract
Foxtail millet planting has a long history and profound role in agricultural civilization. However, weeds have become one of the obstacles restricting the development of the foxtail millet industry. Penoxsulam, as an early post-emergence herbicide for controlling gramineous weeds in paddy fields, is [...] Read more.
Foxtail millet planting has a long history and profound role in agricultural civilization. However, weeds have become one of the obstacles restricting the development of the foxtail millet industry. Penoxsulam, as an early post-emergence herbicide for controlling gramineous weeds in paddy fields, is effective for some broadleaf weeds. In this study, six different doses (CK, 0.5X, 1X, 2X, 3X, 4X) of penoxsulam were sprayed at the 3–5 leaf stage of the conventional variety Jingu 21 to study its effect on the growth and development of foxtail millet, in order to screen out the appropriate spraying concentration. The main results are as follows: Within 15 days after spraying penoxsulam, the plant height and leaf area of foxtail millet decreased with the increase in spraying dose, and gradually recovered 15–25 days after spraying, but there were still significant differences compared with CK. The photosynthetic pigment content, net photosynthetic rate (Pn), transpiration rate (Tr), stomatal conductance (Gs), the maximum photochemical efficiency (Fv/Fm), photosynthetic system II actual photochemical efficiency (Y(II)), and photochemical quenching coefficient (qP) of foxtail millet decreased with an increase in the penoxsulam spraying dose, while the intercellular CO2 concentration (Ci) and non-photochemical quenching coefficient (NPQ) showed an upward trend. There was almost no significant difference in each index between the spraying dose of 0.5X and 1X and CK, but the photosynthesis of foxtail millet leaves was still significantly inhibited under a spraying dose of 3X and 4X. Penoxsulam had certain growth-inhibiting effects on Echinochloa crus-galli (L.) Beauv. (E. crus-galli), Digitaria sanguinalis (L.) Scop. (D. sanguinalis), Chenopodium album L. (C. album), and Amaranthus retroflexus L. (A. retroflexus) which increased as the spraying dosage increased. Our study found that spraying dose groups of 0.5X and 1X penoxsulam were safe for foxtail millet growth and could be used to control gramineous weeds in fields. Other spraying doses are not recommended in the field due to their serious phytotoxicity to foxtail millet, which provides a new measure for weed control in foxtail millet fields. Full article
(This article belongs to the Special Issue Herbicide Selectivity to Crops)
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19 pages, 6338 KiB  
Article
Tolerance of Brazilian Bean Cultivars to S-Metolachlor and Poaceae Weed Control in Two Agricultural Soils
by Maiara Pinheiro da Silva Borges, Michelangelo Muzell Trezzi, Kassio Ferreira Mendes, Eliziane Fuzinatto, Gabriela Pilatti and Antônio Alberto da Silva
Agronomy 2023, 13(12), 2919; https://doi.org/10.3390/agronomy13122919 - 27 Nov 2023
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Abstract
Brazil stands out in the world for being one of the largest producers and consumers of common beans and cowpeas. However, the cultivation of this agricultural species is exposed to competition with weeds for water, light and nutrients. One of the management methods [...] Read more.
Brazil stands out in the world for being one of the largest producers and consumers of common beans and cowpeas. However, the cultivation of this agricultural species is exposed to competition with weeds for water, light and nutrients. One of the management methods for weed control is the use of pre-emergent herbicides. Although pre-emergence herbicides are beneficial in controlling weeds, it is important to know the dynamics of these products in the soil, especially their residual effect. Two experiments were carried out to assess the tolerance of bean genotypes to the pre-emergent herbicide S-metolachlor in two Brazilian soils. Bean genotypes have differential tolerance to S-metolachlor when grown in soils with different characteristics. The Vigna spp. were the most affected by S-metolachlor, especially the red Adzuki. Plant growth was more sensitive when grown in sandy soil for most species. Total chlorophyll content was not affected for most genotypes in the two soils evaluated. The differential tolerance of the genotypes in both soils confirms the potential of S-metolachlor to cause damage to the bean crop, especially in sandy soil. The S-metolachlor was efficient in controlling sourgrass and selective to the bean cultivars (Pérola and Talismã) in both soils evaluated. Alexandergrass behaved differently in the soils evaluated, showing tolerance to the application of S-metolachlor when in Oxisol and sensitivity in Ultisol. Full article
(This article belongs to the Special Issue Herbicide Selectivity to Crops)
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