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Photochemical, Anatomical, and Growth Changes in Cassava Cultivars after Application of Post-Emergent Herbicides

Author

Listed:
  • Jania Claudia Camilo dos Santos

    (Department of Crop Production, School of Agricultural Sciences, São Paulo State University (UNESP), Av. Universitária, 3780, Botucatu 18610-034, SP, Brazil)

  • Renato Nunes Costa

    (Department of Crop Production, School of Agricultural Sciences, São Paulo State University (UNESP), Av. Universitária, 3780, Botucatu 18610-034, SP, Brazil)

  • Dayane Mércia Ribeiro Silva

    (Department of Crop Production, School of Agricultural Sciences, São Paulo State University (UNESP), Av. Universitária, 3780, Botucatu 18610-034, SP, Brazil)

  • Dougllas Ferreira da Rocha

    (Plant Physiology Laboratory, Postgraduate Program in Agriculture and Environment, Federal University of Alagoas (UFAL), Av. Manoel Severino Barbosa, s/n, Bom Sucesso 57309-005, AL, Brazil)

  • Lennon Klédson dos Santos Silva

    (Plant Physiology Laboratory, Postgraduate Program in Agriculture and Environment, Federal University of Alagoas (UFAL), Av. Manoel Severino Barbosa, s/n, Bom Sucesso 57309-005, AL, Brazil)

  • Rudieli Machado da Silva

    (Department of Crop Production, School of Agricultural Sciences, São Paulo State University (UNESP), Av. Universitária, 3780, Botucatu 18610-034, SP, Brazil)

  • Marcelo de Almeida Silva

    (Department of Crop Production, School of Agricultural Sciences, São Paulo State University (UNESP), Av. Universitária, 3780, Botucatu 18610-034, SP, Brazil)

  • Jessé Marques da Silva Júnior Pavão

    (Plant Physiology Laboratory, Postgraduate Program in Agriculture and Environment, Federal University of Alagoas (UFAL), Av. Manoel Severino Barbosa, s/n, Bom Sucesso 57309-005, AL, Brazil)

  • José Vieira Silva

    (Plant Physiology Laboratory, Postgraduate Program in Agriculture and Environment, Federal University of Alagoas (UFAL), Av. Manoel Severino Barbosa, s/n, Bom Sucesso 57309-005, AL, Brazil)

Abstract

Plants develop a series of adaptive mechanisms capable of tolerating the action of herbicides; however, little is known about the physiological mechanisms developed by cassava. The purpose of this research was to evaluate the influence of post-emergence herbicides on the physiological and anatomical characteristics of two cassava cultivars subjected to six herbicide treatments. The evaluations occurred at 0, 24, 48, 72, and 168 h after herbicide application. Herbicide application induced changes in the physiological and anatomical leaf profile. These changes were observed through the thickening of the leaf blade midrib caused by the herbicides fomesafen and fenoxaprop-p-ethyl in the Campinas cultivar. On the other hand, the leaves of the Sergipana cultivar showed a reduction in the thickness of the midrib tissues. Minor effects on cassava plants were observed with the herbicide fluazifop-p-butyl.

Suggested Citation

  • Jania Claudia Camilo dos Santos & Renato Nunes Costa & Dayane Mércia Ribeiro Silva & Dougllas Ferreira da Rocha & Lennon Klédson dos Santos Silva & Rudieli Machado da Silva & Marcelo de Almeida Silva , 2022. "Photochemical, Anatomical, and Growth Changes in Cassava Cultivars after Application of Post-Emergent Herbicides," Agriculture, MDPI, vol. 12(7), pages 1-16, June.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:7:p:950-:d:852963
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