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Vázquez-García J.g.Author

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Effect of adjuvant on glyphosate effectiveness, retention, absorption and translocation in Lolium rigidum and Conyza canadensis

Publicated to:Plants-Basel. 9 (3): - 2020-01-01 9(3), DOI: 10.3390/plants9030297

Authors: Palma-Bautista C; Vazquez-Garcia JG; Travlos I; Tataridas A; Kanatas P; Domínguez-Valenzuela JA; De Prado R

Affiliations

Agricultural Cooperative of Mesolonghi-Nafpaktia; Mesolonghi; 30200; Greece - Author
Department of Agricultural Chemistry and Edaphology; University of Cordoba; Cordoba; 14071; Spain - Author
Department of Agricultural Parasitology; Chapingo Autonomous University; Texcoco; 56230; Mexico - Author
Department of Crop Science; Laboratory of Agronomy; Agricultural University of Athens; 75 Iera Odos Street; Athens; 11855; Greece - Author

Abstract

Glyphosate retention, absorption and translocation with and without adjuvant were examined in Lolium rigidum and Conyza canadensis in greenhouse and laboratory settings to develop an understanding of the influence of the selected adjuvant on glyphosate activity. Tests on whole plants show that the dose of herbicide needed to reduce dry weight by 50% (GR50) or plant survival (LD50) decreases by mixing glyphosate and adjuvant to 22%–24% and 42%–44% for both populations of L. rigidum and C. canadensis, respectively. This improvement in efficacy could be attributed to the higher herbicide retention and lower contact angle of the glyphosate + adjuvant drops on the leaf surface compared to the glyphosate solution alone. Plants of both species treated with 14C-glyphosate + adjuvant absorbed more glyphosate compared to non-adjuvant addition. Furthermore, the movement of the herbicide through the plant was faster and greater with the adjuvant. Our results reveal that the use of adjuvants improves the effectiveness of glyphosate in two of the most important weeds in agricultural crops in Mediterranean countries. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.

Keywords

Absorption and translocationEfficacyHorseweedRetentionRigid ryegrass

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Plants-Basel due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2020, it was in position 47/235, thus managing to position itself as a Q1 (Primer Cuartil), in the category Plant Sciences.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations from Scopus Elsevier, it yields a value for the Field-Weighted Citation Impact from the Scopus agency: 2, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 14, 2024)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Field Citation Ratio (FCR) from Dimensions: 6.21 (source consulted: Dimensions Jun 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-06-14, the following number of citations:

  • Scopus: 29
  • OpenCitations: 23

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-14:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 51 (PlumX).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Greece; Mexico.