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Revista Brasileira de Sementes

versão impressa ISSN 0101-3122

Resumo

ROSSETTO, Claudia A. V.; ARAUJO, Antonio E.S.  e  LIMA, Tatiana M.. Evaluation of the fungicide application to peanut seeds before accelerated aging. Rev. bras. sementes [online]. 2003, vol.25, n.1, pp.101-107. ISSN 0101-3122.  http://dx.doi.org/10.1590/S0101-31222003000100016.

The objective of this research was to evaluate the effects of fungicide application on peanut seeds (Arachis hypogaea L.) that were harvested at different maturity stages and obtained from plants submitted to lime, in the conditions of accelerated aging. For this, four peanut seeds lots of cv. Botutatu were evaluated, obtained from areas that received (CC) or not lime application (SC) and that were harvested at 104 (E1) and 124 (E2) days after sowing and called lot 1 (E1/SC), 2 (E1/CC), 3 (E2/SC) and 4 (E2/CC). Each lot was divided into two seeds samples, an original and another that was dressed with thiram. Samples were submitted to accelerated aging conditions and evaluated just after and the after drying. The results allowed the conclusion that there is greatest fungal incidence in the seeds that were harvested at 104 days after sowing and derived from plants that were submitted to lime. The fungicide application favored the germination of seeds that were contaminated by Aspergillus of the flavus group and for Aspergillus niger until 24 hours after exposure to accelerated aging conditions.

Palavras-chave : Arachis hypogaea; germination; sanity; vigor.

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