Accelerated aging test and occurrence of fungi in two soy bean cultivars

Authors

  • Tereza Cristina de Carvalho Universidade de São Paulo
  • Ana Dionisia da Luz Coelho Novembre Universidade de São Paulo
  • Maria Heloisa Duarte de Moraes Universidade de São Paulo
  • Bruna Gagliardi Universidade de São Paulo

DOI:

https://doi.org/10.5433/1679-0359.2011v32n1p165

Keywords:

Glycine max, Storage, Germination, Health

Abstract

The aim of this study was to investigate the pathogens control in seeds of two soybean cultivars by the accelerated aging test. The experiment was conducted in the laboratories of the Department of Crops Production and  Department of Entomology, Plant Pathology and Agricultural Zoology (USP-ESALQ), both from the Escola Superior de Agricultura Luiz de Queiroz, University of São Paulo in Piracicaba, SP. For this we used seeds of two soybean cultivars (Embrapa 48 and FTS Águia). Seeds were harvested manually and mechanically, with 18%, 15% and 12% water and, immediately after harvest, evaluated for water content. After drying, the quality of the seeds was determined by germination test, seedling emergence, accelerated aging and health test. The incidence of pathogens in soybean seeds reduced in cultivar Embrapa 48 and FTS Águia, depending on the conditions of relative humidity and air temperature that were used in the accelerated aging test, especially for the seeds of cultivar FTS Águia.

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Author Biographies

Tereza Cristina de Carvalho, Universidade de São Paulo

Eng. Agr., M.Sc., Aluna de pós-graduação, Departamento de Fitotecnia e Fitossanitarismo, Setor de Ciências Agrárias da Universidade Federal do Paraná, UFPR, Rua dos Funcionários, 1540, CEP: 80035-050, Curitiba.

Ana Dionisia da Luz Coelho Novembre, Universidade de São Paulo

Eng. Agr., Prof.ª Dra., Departamento de Produção Vegetal, Universidade Estadual de São Paulo, USP/ESALQ, Caixa postal 9, 13418-900. Piracicaba.

Maria Heloisa Duarte de Moraes, Universidade de São Paulo

Eng. Agr., Dra., Departamento Entomologia, Fitopatologia e Zoologia Agrícola, USP/ESALQ, Piracicaba.

Bruna Gagliardi, Universidade de São Paulo

Eng. Agr., M.Sc., Departamento de Produção Vegetal, USP/ESALQ, Piracicaba.

Published

2011-03-31

How to Cite

Carvalho, T. C. de, Novembre, A. D. da L. C., Moraes, M. H. D. de, & Gagliardi, B. (2011). Accelerated aging test and occurrence of fungi in two soy bean cultivars. Semina: Ciências Agrárias, 32(1), 165–172. https://doi.org/10.5433/1679-0359.2011v32n1p165

Issue

Section

Communication

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