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

Authors

  • Deisinara Giane Schulz Universidade Estadual do Oeste do Paraná
  • Cristina Fernanda schneider Universidade Estadual do Oeste do Paraná
  • Fabiane Cristina Gusatto Brand Universidade Estadual do Oeste do Paraná
  • Ubirajara Contro Malavasi Universidade Estadual do Oeste do Paraná
  • Marlene de Matos Malavasi Universidade Estadual do Oeste do Paraná

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, Universidade Estadual do Oeste do Paraná

Bióloga, Mestre em Agronomia - Produção vegetal.

Cristina Fernanda schneider, Universidade Estadual do Oeste do Paraná

Engenheira Agrônoma, mestranda em Agronomia.

Fabiane Cristina Gusatto Brand, Universidade Estadual do Oeste do Paraná

Bióloga, mestranda em agronomia.

Ubirajara Contro Malavasi, Universidade Estadual do Oeste do Paraná

Engenheiro florestal, Professor Dr. do Centro de Ciências Agrarias da Universidade Estadual do Oeste do Paraná.

Marlene de Matos Malavasi, Universidade Estadual do Oeste do Paraná

Engenheira agrônoma, Professora Dra. do Centro de Ciências Agrarias da Universidade Estadual do Oeste do Paraná.

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Published

2012-09-28

How to Cite

SCHULZ, Deisinara Giane; SCHNEIDER, Cristina Fernanda; BRAND, Fabiane Cristina Gusatto; MALAVASI, Ubirajara Contro; MALAVASI, Marlene de Matos. Assessment of damage caused by stink bug in seeds of Jatropha curcas. Pesquisa Florestal Brasileira, [S. l.], v. 32, n. 71, p. 335, 2012. DOI: 10.4336/2012.pfb.32.71.335. Disponível em: https://pfb.sede.embrapa.br/pfb/article/view/330. Acesso em: 19 apr. 2025.

Issue

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

Section

Scientific Notes

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