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Chemical Management of Bidens pilosa (L.) and Euphorbia heterophylla (L.) and Seed Germination in Genetically Modified Soybean Glyphosate Tolerant

Received: 8 October 2019     Accepted: 31 October 2019     Published: 6 November 2019
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Abstract

The objective of this work is to propose a chemical management alternative to control Bidens pilosa and Euphorbia heterophylla in genetically modified soybean without affecting grain production and seed germination by using glyphosate applied only once and in mixture, aiming to reduce the number of applications and the amount of herbicides used. The experimental design was randomized blocks with 10 treatments and 4 replications. The soybean used was BRS-Valiosa RR. The treatments consisted of glyphosate and chlorimuron-ethyl applied once and alone (1.5; 2.0 and 80 L or g ha-1 pc), glyphosate in mixture with chlorimuron-ethyl (1.5+10 and 2.0+10 L or g ha-1 pc) and sequentially applied glyphosate (1.5/1.5; 2.0/1.5 and 2.0/1.5/1.5 L ha-1 pc), plus weeded (clean) and non-weeded (dirty) witnesses. The evaluations were: herbicide efficacy in B. pilosa and E. heterophylla, phytotoxicity, density, height and grain yield (kg ha-1) in soybean. The production data obtained were subjected to analysis of variance and F test by the SANEST program (P<0.05). It was concluded that the studied species, B. pilosa and E. heterophylla, were controlled by glyphosate at levels above 90%. There was no visual injury in soybean and no significant decrease in production and germination.

Published in American Journal of BioScience (Volume 7, Issue 5)
DOI 10.11648/j.ajbio.20190705.11
Page(s) 82-87
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Transgenic Soybean, Biotechnology, Seeds, Herbicides

References
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Cite This Article
  • APA Style

    André Luiz de Souza Lacerda, Edgar Gomes Ferreira de Beauclair, João Nicanildo Bastos dos Santos. (2019). Chemical Management of Bidens pilosa (L.) and Euphorbia heterophylla (L.) and Seed Germination in Genetically Modified Soybean Glyphosate Tolerant. American Journal of BioScience, 7(5), 82-87. https://doi.org/10.11648/j.ajbio.20190705.11

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    ACS Style

    André Luiz de Souza Lacerda; Edgar Gomes Ferreira de Beauclair; João Nicanildo Bastos dos Santos. Chemical Management of Bidens pilosa (L.) and Euphorbia heterophylla (L.) and Seed Germination in Genetically Modified Soybean Glyphosate Tolerant. Am. J. BioScience 2019, 7(5), 82-87. doi: 10.11648/j.ajbio.20190705.11

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    AMA Style

    André Luiz de Souza Lacerda, Edgar Gomes Ferreira de Beauclair, João Nicanildo Bastos dos Santos. Chemical Management of Bidens pilosa (L.) and Euphorbia heterophylla (L.) and Seed Germination in Genetically Modified Soybean Glyphosate Tolerant. Am J BioScience. 2019;7(5):82-87. doi: 10.11648/j.ajbio.20190705.11

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  • @article{10.11648/j.ajbio.20190705.11,
      author = {André Luiz de Souza Lacerda and Edgar Gomes Ferreira de Beauclair and João Nicanildo Bastos dos Santos},
      title = {Chemical Management of Bidens pilosa (L.) and Euphorbia heterophylla (L.) and Seed Germination in Genetically Modified Soybean Glyphosate Tolerant},
      journal = {American Journal of BioScience},
      volume = {7},
      number = {5},
      pages = {82-87},
      doi = {10.11648/j.ajbio.20190705.11},
      url = {https://doi.org/10.11648/j.ajbio.20190705.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajbio.20190705.11},
      abstract = {The objective of this work is to propose a chemical management alternative to control Bidens pilosa and Euphorbia heterophylla in genetically modified soybean without affecting grain production and seed germination by using glyphosate applied only once and in mixture, aiming to reduce the number of applications and the amount of herbicides used. The experimental design was randomized blocks with 10 treatments and 4 replications. The soybean used was BRS-Valiosa RR. The treatments consisted of glyphosate and chlorimuron-ethyl applied once and alone (1.5; 2.0 and 80 L or g ha-1 pc), glyphosate in mixture with chlorimuron-ethyl (1.5+10 and 2.0+10 L or g ha-1 pc) and sequentially applied glyphosate (1.5/1.5; 2.0/1.5 and 2.0/1.5/1.5 L ha-1 pc), plus weeded (clean) and non-weeded (dirty) witnesses. The evaluations were: herbicide efficacy in B. pilosa and E. heterophylla, phytotoxicity, density, height and grain yield (kg ha-1) in soybean. The production data obtained were subjected to analysis of variance and F test by the SANEST program (PB. pilosa and E. heterophylla, were controlled by glyphosate at levels above 90%. There was no visual injury in soybean and no significant decrease in production and germination.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Chemical Management of Bidens pilosa (L.) and Euphorbia heterophylla (L.) and Seed Germination in Genetically Modified Soybean Glyphosate Tolerant
    AU  - André Luiz de Souza Lacerda
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    T2  - American Journal of BioScience
    JF  - American Journal of BioScience
    JO  - American Journal of BioScience
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    PB  - Science Publishing Group
    SN  - 2330-0167
    UR  - https://doi.org/10.11648/j.ajbio.20190705.11
    AB  - The objective of this work is to propose a chemical management alternative to control Bidens pilosa and Euphorbia heterophylla in genetically modified soybean without affecting grain production and seed germination by using glyphosate applied only once and in mixture, aiming to reduce the number of applications and the amount of herbicides used. The experimental design was randomized blocks with 10 treatments and 4 replications. The soybean used was BRS-Valiosa RR. The treatments consisted of glyphosate and chlorimuron-ethyl applied once and alone (1.5; 2.0 and 80 L or g ha-1 pc), glyphosate in mixture with chlorimuron-ethyl (1.5+10 and 2.0+10 L or g ha-1 pc) and sequentially applied glyphosate (1.5/1.5; 2.0/1.5 and 2.0/1.5/1.5 L ha-1 pc), plus weeded (clean) and non-weeded (dirty) witnesses. The evaluations were: herbicide efficacy in B. pilosa and E. heterophylla, phytotoxicity, density, height and grain yield (kg ha-1) in soybean. The production data obtained were subjected to analysis of variance and F test by the SANEST program (PB. pilosa and E. heterophylla, were controlled by glyphosate at levels above 90%. There was no visual injury in soybean and no significant decrease in production and germination.
    VL  - 7
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Author Information
  • Department of Environment, City Hall of Valinhos, Valinhos, Brazil

  • Department of Crop Science, University of S?o Paulo, Piracicaba, Brazil

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