Insects and mycobiota in <i>Phaseolus vulgaris</i> L. grains sold in retail stores

Poster

Autor/innen

  • Fabricio Caldeira Reis IPEN - Instituto de Pesquisas Energéticas e Nucleares. Av. Lineu Prestes 2242 - Cidade Universitária
  • Marcos Roberto Potenza Instituto Biológico/APTA – Centro de Pesquisa e Desenvolvimento de Proteção Ambiental. Av. Conselheiro Rodrigues Alves, 1252
  • Simone Aquino Programa de Mestrado Profissional- Gestão Ambiental e Sustentabilidade- Universidade Nove de Julho - UNINOVE, São Paulo
  • Valter Arthur Universidade de São Paulo - USP, Escola Superior de Agricultura "Luiz de Queiroz", Centro de Energia Nuclear na Agricultura, Piracicaba, SP, Brasil

DOI:

https://doi.org/10.5073/jka.2018.463.246

Schlagworte:

bean, grain, fungi, insects

Abstract

In Brazil beans are an important protein source and the great variety of Phaseolus and Vigna beans grains are sold in retail markets. The objective of this study was to isolate fungi from insects and Phaseolus vulgaris (var. Pinto) from 15 samples of different retail stores in São Paulo. The samples were placed in Petri dishes containing culture medium of potato-dextrose-agar and incubated at 25°C for 7 days. Fungi were identified in several insects: Callosobruchus maculatus (yeasts - 50%), Sitophilus spp. (Chaetomium spp. – 3.1%; Rhizopus stolonifer- 3.1%; Non Sporulating Fungi (NSF) – 12.5% and Eurotium chevalieri - 9.4%, Acanthoscelides obtectus (Penicillium spp. – 18.5% and yeasts – 18.5%) and Zabrotes subfasciatus (Alternaria alternata – 13.6 % and Penicillium spp. – 41 %). No fungi were observed in the parasitoid Dinarmus basalis. In grain samples, the following fungi were found: Penicillium spp. (6%), E. chevalieri (5%), R. stolonifer (0.3%), Aspergillus flavus (3 %), NSF (8 %), Yeasts (2.6%), Phoma spp. (1.6%) and Alternaria alternata (3.6%).

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Veröffentlicht

2018-11-12

Ausgabe

Nr. 463 (2018): Proceedings of the 12th International Working Conference on Stored Product Protection (IWCSPP) in Berlin, Germany, October 7-11, 2018

Rubrik

Session 10: Microbiology, Food Safety, Quarantine, and Regulatory Aspects

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