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Santos,Elcio Ferreira dos; Zanchim,Bruno José; Campos,Aline Grella de; Garrone,Raphael Florencio; Lavres Junior,José. |
Few studies in Brazil have addressed the need for micronutrients of physic nut focusing on physiological responses, especially in terms of photosynthesis. The objective of this study was to evaluate the effects of omission of boron (B), copper (Cu), iron (Fe), manganese (Mn) and zinc (Zn) on Jatropha curcas L.. The experimental design was a randomized block with four replications. The treatments were complete solution (control) and solution without B, Cu, Fe, Mn, and Zn. We evaluated the chlorophyll content (SPAD units), photosynthetic rate, dry matter production and accumulation of micronutrients in plants, resulting from different treatments. The first signs of deficiency were observed for Fe and B, followed by Mn and Zn, while no symptoms were observed... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Jatropha curcas L.; Nutritional status; Dry matter; IRGA; SPAD. |
Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832013000500022 |
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