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Allelopathy of Dahlstedtia araripensis on Calotropis procera and Zea mays

Author

Listed:
  • Viviane Bezerra da Silva
  • José Weverton Almeida Bezerra
  • Mariana Ferreira da Cruz
  • Cícero dos Santos Leandro
  • José Fábio de Oliveira Sousa
  • Marcos Aurélio Figueiredo dos Santos
  • Antonio Carlito Bezerra dos Santos
  • Natália Cavalcante da Costa
  • Natália Barbosa Campos
  • Luciana Silva Cordeiro
  • José Galberto Martins da Costa
  • Maria Arlene Pessoa da Silva

Abstract

Studies related to the allelopathic properties of plants have aroused great interest, since species that have compounds with allelopathic activity can be used as bioherbicides in the control of weeds. In this way, the aim of this study was to evaluate the allelopathic action of Dahlstedtia araripensis on the germination and growth of Calotropis procera and Zea mays. The bioassays were prepared using two 50 g portions of leaves, stem bark and D. araripensis roots, and each part of the plant received a hot treatment (1 L of distilled water at 100 °C) and one part cold (1 L of distilled water at 25 °C). The experimental design consisted of six treatments and the control group. The variables analyzed were- Index of Emergency Speed (IES), germinability, length and occurrence of necrotic radicles. The results indicated that the extracts interfered negatively on the germinability of the seeds, mainly on those of C. procera, since all extracts significantly inhibited its germination. In the seeds of C. procera and Z. mays there was delay in IES. The results indicated that the cold and hot extracts of the distinct parts of D. araripensis affected the development of the seedlings, besides promoting root necrosis. The observed effects may be due to the presence of secondary metabolites detected in the different extracts of D. araripensis. However, further research is required to prove the performance of such compounds, as well as their isolation, for future use asnatural herbicides.

Suggested Citation

  • Viviane Bezerra da Silva & José Weverton Almeida Bezerra & Mariana Ferreira da Cruz & Cícero dos Santos Leandro & José Fábio de Oliveira Sousa & Marcos Aurélio Figueiredo dos Santos & Antonio Car, 2019. "Allelopathy of Dahlstedtia araripensis on Calotropis procera and Zea mays," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 11(14), pages 1-32, September.
  • Handle: RePEc:ibn:jasjnl:v:11:y:2019:i:14:p:32
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    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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