Academic Journal
Response of Commelina erecta L. to glyphosate formulations, and role of starch and waxes in glyphosate sensitivity
| العنوان: | Response of Commelina erecta L. to glyphosate formulations, and role of starch and waxes in glyphosate sensitivity |
|---|---|
| المؤلفون: | Elisa Panigo, Gabriel Céccoli, Ignacio M. Dellaferrera, Juan I. Garetto, Abelardo C. Vegetti, Mariel G. Perreta |
| المصدر: | Ecología Austral, Vol 32, Iss 3 (2022) |
| بيانات النشر: | Asociación Argentina de Ecología, 2022. |
| سنة النشر: | 2022 |
| المجموعة: | LCC:Environmental sciences LCC:Ecology |
| مصطلحات موضوعية: | weed, dayflowers, herbicide, growth stage, Environmental sciences, GE1-350, Ecology, QH540-549.5 |
| الوصف: | The aim of this study was to evaluate the effects of two formulations of glyphosate on adult plants and seedlings of Commelina erecta L., and to determine whether stem starch storage and epicuticular waxes of leaves are involved in plant sensitivity to this herbicide. The formulations used were isopropylamine salt (IPA) and diammonium salt (DA). All measured growth parameters and chlorophyll were negatively affected by both formulations. The IPA formulation showed a higher decrease in the branching rate and phyllochron, whereas the DA formulation showed a higher decrease in the elongation rate, chlorophyll content at 48 hours after application in adult plants, and the starch proportion in the stem basal section, and caused more leaf injuries. All plants of C. erecta presented starch storage in the both stem section. After glyphosate application, stem starch proportion of the basal section evolved differently in both growth stages, whereas stem starch proportion of the apical section showed an irregular variation. The amount of epicuticular waxes was higher in adult plants. These results show that both glyphosate formulations are ineffective for the management of C. erecta. The low sensitivity to glyphosate in C. erecta, especially in plants higher than five leaves, could be related to starch storage in stem and epicuticular waxes on leaves. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English Spanish; Castilian |
| تدمد: | 0327-5477 1667-782X |
| Relation: | https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/1892; https://doaj.org/toc/0327-5477; https://doaj.org/toc/1667-782X |
| DOI: | 10.25260/EA.22.32.3.0.1892 |
| URL الوصول: | https://doaj.org/article/67fa2db7a0714030a841813248853475 |
| رقم الانضمام: | edsdoj.67fa2db7a0714030a841813248853475 |
| قاعدة البيانات: | Directory of Open Access Journals |
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