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Changes in reserve mobilization caused by salinity could interfere in the initial growth of Jatropha curcas. Repositório Alice
LIRA, E.; SOUZA, J.; GALDINO, L.; MACÊDO, C.; SILVA, A.; MELO, Y.; SANTOS, I.; ARRIEL, N. H. C.; MENESES, C.; MAIA, J..
Salinity in soil can affect Jatropha seedling metabolism, interfering with plant establishment. In this study, the effect of salinity on the mobilization of reserves during the development of Jatropha seedlings was tested. Two genotypes of Jatropha were used and three concentrations of NaCl were applied between the 4th and 8th days after germination. The effects of salinity on seedling growth, in terms of fresh and dry phytomass, ionic partition, and sugar quantification, starch, proteins, amino acids, and lipids were evaluated in cotyledon leaves, hypocotyls, and roots. There was an increase in the content of all classes of macromolecules analyzed in at least one of the organs. It is hypothesized that the hypocotyls acted as an accumulating organ of Na+....
Tipo: Artigo de periódico Palavras-chave: Partition of macromolecules; Pinhão-manso; Salinidade; Jatropha Curcas; Soil salinity; Seed germination.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1139691
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