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| Andréo-Souza,Yara; Pereira,Armando Lopes; Silva,Fabrício Francisco Santos da; Riebeiro-Reis,Renata Conduru; Evangelista,Márcio Rannieri Viana; Castro,Renato Delmondez de; Dantas,Bárbara França. |
| O pinhão-manso (Jatropha curcas L.) é encontrado em quase todas as regiões intertropicais do planeta, sendo adaptável a condições edafoclimáticas da região Nordeste até São Paulo e Paraná. Objetivou-se através do presente trabalho avaliar o comportamento de sementes e mudas de pinhão-manso quando submetidas à condição de estresse salino. Para isso foram conduzidos dois experimentos, sendo o primeiro realizado em condições de laboratório e o segundo em campo. Para o primeiro experimento as sementes de pinhão-manso, dos dois lotes foram submetidas a diferentes concentrações de cloreto de sódio, obtidas da dissolução de cloreto de sódio em água destilada, obtendo as condutividades elétricas de 2, 4, 6, 8, 10, 12, dS.m-1, constituindo os tratamentos. No... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lotes; Qualidade fisiológica; Crescimento; Desenvolvimento; Estresse salino. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-31222010000200010 |
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| Reis,Renata Conduru Ribeiro; Dantas,Bárbara França; Castro,Renato Delmondez de; Antunes,Cimille Gabrielle Cardoso; Silva,Fabrício Francisco Santos da; Pelacani,Claudinéia Regina. |
| Gliricidia sepium is a drought-tolerant species, easily multiplied by seeds, and has been exploited by farmers as a source of forage in the semi-arid region of northeast Brazil. The objective of the present study was to evaluate the effect of seed storage on the mobilization of reserves during imbibition of "Gliricidia" seeds. Freshly-harvested seeds were packed in kraft paper bags and stored for three and six months in the laboratory under ambient conditions (25 º C ± 3 T and 75% ± 3 RH). Cotyledons were isolated from imbibed seeds and macerated for the extraction and quantification of total soluble sugars, reducing sugars, sucrose and starch, as well as of proteins, amino acids and for amylase activity. Storage under these conditions resulted in an... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Macromolecules; Longevity; Viability; Germination; Water content. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-31222011000300018 |
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| Souza,Claudia Rita de; Bassoi,Luís Henrique; Lima Filho,José Moacir Pinheiro; Silva,Fabrício Francisco Santos da; Viana,Leandro Hespanhol; Dantas,Barbara França; Pereira,Maiane Santos; Ribeiro,Paula Rose de Almeida. |
| There is an increased demand for high quality winegrapes in the São Francisco Valley, a new wine producing area in Brazil. As the grape quality is closely linked to the soil water status, understanding the effects of rootstock and irrigation management on grapevine water relations is essential to optimize yield and quality. This study was carried out to investigate the effects of irrigation strategies and rootstocks on water relations and scion vigour of field-grown grapevines in Petrolina, Pernambuco state, Brazil. The cultivars used as scions are Moscato Canelli and Syrah, both grafted onto IAC 572 and 1103 Paulsen rootstocks. The following water treatments were used: deficit irrigation, with holding water after veraison; and partial root-zone drying,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Vitis vinifera L.; Partial rootzone drying; Deficit irrigation; Stomatal conductance. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162009000400002 |
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