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Chronological analysis of the physiological quality of diaspores of Myracrodruon urundeuva Fr. All. in semiarid regions Agronomy
Azevedo, Aderdilania Iane Barbosa de; Silva, Givanildo Zildo da; Bruno, Riselane de Lucena Alcântara; Andrade, Alberício Pereira de; Cruz, José de Oliveira.
 The objective of this study was to evaluate the physiological quality of diaspores from Myracrodruon urundeuva mother trees developing in the Cariri region of the state of Paraíba, Brazil. The seeds were collected during three consecutive years and from different areas of the Cariri region. The seed collection areas comprised two sites in the municipality of Boa Vista and one in the municipality of São João do Cariri. The diaspores had their water content determined and were submitted to the following tests: germination, seedling emergence, first count of germination and seedling emergence (within 5 days), and speed of germination and seedling emergence. The treatment means were compared using the deviance statistic. The collection years and collection...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Produção e beneficiamento de sementes 5.01.00.00-9; 5.01.03.00-8 aroeira; Physiological quality; Seeds; Caatinga. Produção e beneficiamento de sementes.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39423
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Chronological analysis of the physiological quality of diaspores of Myracrodruon urundeuva Fr. All. in semiarid regions Agronomy
Azevedo, Aderdilania Iane Barbosa de; Silva, Givanildo Zildo da; Bruno, Riselane de Lucena Alcântara; Andrade, Alberício Pereira de; Cruz, José de Oliveira.
 The objective of this study was to evaluate the physiological quality of diaspores from Myracrodruon urundeuva mother trees developing in the Cariri region of the state of Paraíba, Brazil. The seeds were collected during three consecutive years and from different areas of the Cariri region. The seed collection areas comprised two sites in the municipality of Boa Vista and one in the municipality of São João do Cariri. The diaspores had their water content determined and were submitted to the following tests: germination, seedling emergence, first count of germination and seedling emergence (within 5 days), and speed of germination and seedling emergence. The treatment means were compared using the deviance statistic. The collection years and collection...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aroeira; Physiological quality; Seeds; Caatinga.; Produção e beneficiamento de sementes; Produção e beneficiamento de sementes.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39423
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Temperatures and substrates for germination and vigor of Erythroxylum pauferrense Plowman seeds Biological Sciences
Ribeiro, João Everthon da Silva; Leite, Arliston Pereira; Nóbrega, Jackson Silva; Alves, Edna Ursulino; Bruno, Riselane de Lucena Alcântara; Albuquerque, Manoel Bandeira de.
Erythroxylum pauferrense is an endemic understory plant species of the Northeast Region of Brazil. The species is of great importance to the region and so ecophysiological studies are needed for its preservation. The objective of the present study was to determine the best substrates and temperatures for testing germination and seed vigor of E. pauferrense. An experiment was performed comprising a completely randomized design in a 5 x 4 factorial scheme, with five temperature regimes (20, 25, 30, 35°C constant and 20-30°C alternating) and four types of substrates (paper, vermiculite, sand and commercial substrate). The following characteristics were evaluated: germination percentage, first germination count, germination speed index, mean germination time,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Guarda-orvalho; Erythroxylaceae; Forest seeds; Ecophysiology; Seedlings; Atlantic forest..
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/46030
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