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| Medri, Moacyr Eurípedes; UEL; Ferreira, Ana Cláudia; UEL; Kolb, Rosana Marta; UNESP Assis; Bianchini, Edmilson; UEL; Pimenta, José Antonio; UEL; Fabro, Viviane Maria Davanso; UEL; Medri, Cristiano; UEL. |
| Visando contribuir para o conhecimento das estratégias de tolerância de espécies arbóreas à hipoxia, os efeitos do alagamento em plantas de Lithraea molleoides foram estudados. Indivíduos jovens foram mantidos em condições de solo drenado e alagado por 35 dias. Para as análises de crescimento e desenvolvimento, o comprimento e diâmetro do caule e raiz principal e o peso seco de raízes, caule e folhas foram medidos. Para os estudos anatômicos, foram realizados cortes de material fresco e fixado, de acordo com técnicas usuais em anatomia vegetal. As plantas alagadas apresentaram menor massa seca sem, contudo, ocorrer morte de raízes ou abscisão de folhas. Observou-se maior volume de espaços intercelulares nas raízes secundárias e na base dos caules dessas... |
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Palavras-chave: 2.01.00.00-0 Biologia Geral aerênquima; Alagamento; Anatomia; Lithraea molleoides; Morfologia; Lenticelas. |
| Ano: 2007 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/408 |
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| Shimizu,Mario Tsunezi; Bueno,Leandro de Jesus Franco; Rodrigues,Rosa Fátima Oliveira; Sallowicz,Fabiano Augusto; Sawaya,Alexandra Christine Helena Frankland; Marques,Márcia Ortiz Maio. |
| Lithraea molleoides (Vell.) (Anacardiaceae) is a tree found in Brazil, Paraguay, Bolivia, Uruguay, Argentina and Chile. It is popularly used in the form of alcoholic extracts, decoctions and infusions for the treatment of cough, bronchitis, arthritis, diseases of the digestive system and as diuretic, tranquilizer, haemostatic and tonic agent. The objectives of this study were the extraction of the essential oil of the mature fruit, leaves and aerial parts of the plant and quantification of the yield thereof; the identification and quantification of the principal components of the essential oil and the determination of its antimicrobial activity against bacteria and yeast. The essential oil yield of the mature fruits was 1.0% but essential oil was not... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Lithraea molleoides; Essential oil; Chemical composition; Antimicrobial activity. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822006000400028 |
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| Dias,Jaqueline; Pimenta,José Antonio; Medri,Moacyr Eurípedes; Boeger,Maria Regina Torres; Freitas,Claudinei Toledo de. |
| The aim of this work was to compare the physiological parameters of sun and shade leaves of a specimen of L. molleoides. The higher-positional leaves, classified as sun leaves, presented similar photosynthetic rate, lower chlorophyill contents (a, b and total), same a chlorophyll /b chlrorophyll rate, lower transpiratory rate, same stomatal conductance and intercellular concentration of CO2 as the lower-positional leaves, classified as shade leaves. Nutrient concentration, except for Ca and Mg, was the same for both sun and shade leaves.The physiological parameter responses indicated that although receiving lower light intensity, the shade leaves had the same capacity to grow and develop as the sun leaves. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Photosynthesis; Sun leaves; Shade leaves; Light intensity; Chlorophyll; Lithraea molleoides. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000100011 |
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