Assessment of damage caused by stink bug in seeds of Jatropha curcas

Authors

DOI:

https://doi.org/10.4336/2012.pfb.32.71.335

Keywords:

Physic nut, Viability, Vigor, Pachycoris torridus

Abstract

This study aimed to identify damages caused by stink bugs in seeds of physic nut through the tetrazolium test. Seeds were soaked in water for 16 hours. After tegument removal, the albumens were submerged in tetrazolium solution at concentration of 0.5% for 4 hours at 40 ± 2 °C in BOD without light, and evaluated according to the levels of viability and damages by stink bugs. The tetrazolium test was efficient to evaluate the viability of physic nut seeds allowing the interpretation of vigor and damage caused by insects.

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Author Biographies

  • Deisinara Giane Schulz, Western Paraná State University
    Bióloga, Mestre em Agronomia - Produção vegetal.
  • Cristina Fernanda schneider, Western Paraná State University
    Engenheira Agrônoma, mestranda em Agronomia.
  • Fabiane Cristina Gusatto Brand, Western Paraná State University
    Bióloga, mestranda em agronomia.
  • Ubirajara Contro Malavasi, Western Paraná State University
    Engenheiro florestal, Professor Dr. do Centro de Ciências Agrarias da Universidade Estadual do Oeste do Paraná.
  • Marlene de Matos Malavasi, Western Paraná State University
    Engenheira agrônoma, Professora Dra. do Centro de Ciências Agrarias da Universidade Estadual do Oeste do Paraná.

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Published

2012-09-28

Issue

Vol. 32 No. 71 (2012): jul./set.

Section

Scientific Notes

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How to Cite

SCHULZ, D. G. et al. Assessment of damage caused by stink bug in seeds of Jatropha curcas. Pesquisa Florestal Brasileira, v. 32, n. 71, p. 335, 28 Sep.2012.

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