African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6901

Full Length Research Paper

Alellopathic effects of aqueous extracts from Bambusa vulgaris Schrad. Ex J. C. Wendl. on seed germination and vigor from Lactuca sativa

Danielle Roballo de Moura
  • Danielle Roballo de Moura
  • Engenharia Florestal, Universidade Federal Rural de Pernambuco, R. Manuel de Medeiros, s/n - Dois Irmãos, Brazil.
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Emmanoella Costa Guarana Araujo
  • Emmanoella Costa Guarana Araujo
  • Programa de Pós-graduação em Ciências Florestais, Universidade Federal Rural de Pernambuco, R. Manuel de Medeiros, s/n - Dois Irmãos, Brazil.
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Cesar Henrique Alves Borges
  • Cesar Henrique Alves Borges
  • Programa de Pós-graduação em Ciências Florestais, Universidade Federal Rural de Pernambuco, R. Manuel de Medeiros, s/n - Dois Irmãos, Brazil.
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Luan Henrique Barbosa Araujo
  • Luan Henrique Barbosa Araujo
  • Programa de Pós-graduação em Ciências Florestais, Universidade Federal Rural de Pernambuco, R. Manuel de Medeiros, s/n - Dois Irmãos, Brazil.
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Tarcísio Viana de Lima
  • Tarcísio Viana de Lima
  • Departamento Engenharia Florestal, Universidade Federal Rural de Pernambuco, R. Manuel de Medeiros, s/n - Dois Irmãos, Brazil.
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Thiago Cardoso Silva
  • Thiago Cardoso Silva
  • Programa de Pós-graduação em Ciências Florestais, Universidade Federal Rural de Pernambuco, R. Manuel de Medeiros, s/n - Dois Irmãos, Brazil.
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Camila Costa da Nobrega
  • Camila Costa da Nobrega
  • Programa de Pós-Graduação em Ciência do Solo, Cidade Universitária, s/n - Castelo Branco III, João Pessoa - PB, 58051-085, Brazil
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  •  Received: 03 March 2018
  •  Accepted: 04 April 2018
  •  Published: 20 September 2018

Abstract

The aim of this work was to evaluate allelopathic effects of aqueous extracts from Bambusa vulgaris leaves and culm on Lactuca sativa L. germination. Plant material was collected at Dois Irmãos State Park in Recife, Brazil, and analysis was performed at Laboratory of Forest Seeds Analysis at Rural Federal University of Pernambuco. Experiments were conducted under natural conditions using leaf and culm extracts at concentrations of 100, 75, 50 and 25%, using distilled water as control. Seed germination was evaluated for seven days. Percentage of germination (%G), speed index of germination (SIG), mean time of germination (MTG), and mean speed of germination (v) were determined. Aqueous extract of B. vulgaris leaves negatively influenced percentage of germination and speed of germination index of L. sativa seeds. Control treatment showed the best means, being statistically superior than other treatments that did not differ among each other. Considering L. sativa as a bioindicator, it is possible that allelopathic effects might significantly interfere on other species establishment and germination. This is due to substances present on plant residues deposited or incorporated to the soil annually. Finally, the inhibitory allelopathic behaviour of the germination process of L. sativa seeds in response to aqueous extracts of B. vulgaris was observed in all parts and concentrations tested.

Key words: Allelopathy, allelochemicals, culm, bioindicator, Lactuca sativa, Bambusa vulgaris.

 

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This article is published under the terms of the Creative Commons Attribution License 4.0

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