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Cibele Chalita Martins ; Dagoberto Martins ; Neumárcio Vilanova da Costa ;Revista Ciência Agronômica 2014, 45 4

Autor: Giovana Soares de Mendonça



Revista Ciência Agronômica ISSN: 0045-6888 Universidade Federal do Ceará Brasil Soares de Mendonça, Giovana; Chalita Martins, Cibele; Martins, Dagoberto; Vilanova da Costa, Neumárcio Ecophysiology of seed germination in Digitaria insularis ((L.) Fedde) Revista Ciência Agronômica, vol.
45, núm.
4, octubre-diciembre, 2014, pp.
823-832 Universidade Federal do Ceará Ceará, Brasil Available in: How to cite Complete issue More information about this article Journals homepage in Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Revista Ciência Agronômica, v.
45, n.
4, p.
823-832, out-dez, 2014 Centro de Ciências Agrárias - Universidade Federal do Ceará, Fortaleza, CE Artigo Científico ISSN 1806-6690 Ecophysiology of seed germination in Digitaria insularis ((L.) Fedde)1 Ecofisiologia da germinação de sementes de Digitaria insularis ((L.) Fedde) Giovana Soares de Mendonça2, Cibele Chalita Martins3*, Dagoberto Martins4 e Neumárcio Vilanova da Costa5 ABSTRACT - The invasive behaviour of sourgrass (Digitaria insularis) in cultivated areas is due to its strategy of aggressive regeneration, which is based on seed germination.
Knowledge of the physiological ecology of this species can contribute to the development of management and control strategies.
The aim of this research was to understand the effects of provenance, temperature and light on the germination of sourgrass seeds collected in the Brazilian state of São Paulo in the cities of Americana, Botucatu and São José do Rio Preto and in the state of Paraná in the city of São Miguel do Iguaçu.
The seeds were left to germinate at temperatures of 15, 25, 35 and 45 °C, both with and without light. The number of normal seedlings was recorded daily from seven to ...

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