Data/hora: 11/06/2024 07:23:20

Provedor de dados: | 88
País: | Brazil
Título: | Flooding effects in seedlings of Cytharexyllum myrianthum Cham. and Genipa americana L.: responses of two neotropical lowland tree species
Autores: | ANDRADE,ANTÔNIO CARLOS SILVA DE; RAMOS,FLAVIO NUNES; SOUZA,ALEXANDRE FADIGAS DE; LOUREIRO,MARTA BRUNO; BASTOS,RODRIGO.
Data: | 1999-10-01
Ano: | 1999
Palavras-chave: | Anaerobiosis; Environmental stress; Growth; Hypoxia; Submergence.
Resumo: | Six-month-old seedlings of Cytharexyllum myrianthum and Genipa americana, two common tree species in different flood-prone areas in Brazil, were flooded for up to 90 days to compare their survival and growth responses under these conditions. Seedlings of both species were found to be relatively tolerant to flooding but growth responses changed according to treatment and plant species. Growth of G. americana was reduced by flooding, showing a decrease in root and leaf dry mass, root/shoot ratio and height, without showing any adaptive morphological changes. On the other hand, growth of C. myrianthum seedlings was stimulated under flooding conditions, showing an increase in root dry mass, root/shoot ratio, height, stem diameter and some morphological changes in roots and stems, i.e., development of new roots and stem base hypertrophy. These results could be regarded as an experimental corroboration of the field observations, showing that these species could be indicated for restoration programs of some Neotropical wetlands.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041999000500009
Editor: | Sociedade Botânica de São Paulo
Relação: | 10.1590/S0100-84041999000500009
Formato: | text/html
Fonte: | Brazilian Journal of Botany  v.22 suppl.2 1999
Fonte: | info:eu-repo/semantics/openAccess