Allelopathic effect of Crotalaria and Millet extracts in tomato seeds

Aline Glecia Moreira de Arruda
OrcID
Vanessa Neumann Silva
OrcID

    Aline Glecia Moreira de Arruda

    Federal University of Fronteira Sul (UFFS), Campus Chapecó. Highway SC 459 km 02, Fronteira Sul, CEP 89802-112, Chapecó, SC, Brazil.

    OrcID https://orcid.org/0000-0002-4983-2663

    Acadêmica do curso de Bacharelado em Agronomia, Universidade Federal da Fronteira Sul, campus Chapecó.

    Vanessa Neumann Silva

    Federal University of Fronteira Sul (UFFS), Campus Chapecó. Highway SC 459 km 02, Fronteira Sul, CEP 89802-112, Chapecó, SC, Brazil.

    OrcID https://orcid.org/0000-0002-5046-0545

    He has a Technical course in Agroindustry from the Visconde da Graça-CAVG Agrotechnical Complex (2002), a degree in Agronomy (UFPel-2007), a Master's degree in Seed Science and Technology (UFPel-2009) and a PhD in Phytotechnics from the University of São Paulo (USP-2009). 2012) with a sandwich period at Ohio State University (United States of America). He has served as a Visiting Scholar at the Ohio State University, Department of Horticulture and Plant Production, and the Ornamental Plant Germplasm Center-OPGC, conducting research into vegetable and flower seed physiology. She worked as a temporary professor from 2012 to 2014 and an adjunct professor from 2014 to 2016 at the Federal University of Pampa, Itaqui campus, in the Undergraduate courses in Agronomy, Interdisciplinary Bachelor of Science and Technology and Specialization in Plant Production. Since March 2016 she is an Adjunct Professor at the Federal University of Fronteira Sul, Campus Chapecó. She works in the courses of Agronomy and postgraduate Specialization in Plant Production; she is currently the coordinator of the Specialization course in Plant Production at the Chapecó campus; member of the Sustainable Agroecosystems research group, working with a focus on Seed Physiology and Olericulture. Contact: vanessa.neumann@uffs.edu.br

Keywords

Allelopathy
Germination
Crotalaria breviflora
Penninsetum americanum
Solanum lycopersicum

Abstract

The objective of this work was to evaluate the effects of extracts produced with different parts of Crotalaria and Millet at different concentrations on germination and growth of tomato seedlings. For the preparation of extracts were used: roots, leaves and inflorescences, separately. The concentrations used were: 0, 25, 50 and 100%. The variables analyzed were: germination (percentage and speed index), seedling length and dry mass (roots and shoots). The results were subjected to analysis of variance, comparison of means, and regression. Crotalaria and millet extracts, separately, exert allelopathic effects on tomato seeds. Crotalaria root and leaf extracts reduce germination and shoot dry mass of tomato seedlings, respectively. There are no differences regarding the effects generated by extracts of millet plants made from roots, leaves or inflorescences for the variables germination, root length, and seedling dry mass. There is a direct relationship between the increase in the concentration of extracts, regardless of the part of the plant used, and the reduction in germination and seedling growth (Crotalaria breviflora extract) and the germination speed index and seedling growth (millet extract) of tomato.

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Author(s)

  • Aline Glecia Moreira de Arruda
    Federal University of Fronteira Sul (UFFS), Campus Chapecó. Highway SC 459 km 02, Fronteira Sul, CEP 89802-112, Chapecó, SC, Brazil.
    https://orcid.org/0000-0002-4983-2663
  • Vanessa Neumann Silva
    Federal University of Fronteira Sul (UFFS), Campus Chapecó. Highway SC 459 km 02, Fronteira Sul, CEP 89802-112, Chapecó, SC, Brazil.
    https://orcid.org/0000-0002-5046-0545

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Allelopathic effect of Crotalaria and Millet extracts in tomato seeds. Rev Fitos [Internet]. 2022 Dec. 20 [cited 2025 Jan. 31];16(4):456-64. Available from: https://revistafitos.far.fiocruz.br/index.php/revista-fitos/article/view/1402
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