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- Title
Redistribuição de nutrientes em folhas de pinhão-manso entre est&aacaute;dios fenológicos.
- Authors
De Lima, Rosiane L. S.; Severino, Liv S.; Cazetta, Jairo O.; De Azevedo, Carlos A. V.; Sofiatti, Valdinei; Arriel, Nair H. C.
- Abstract
Nutrient redistribution from mature leaves to growing structures is an important process in plant physiology. Each nutrient is redistributed in a different rate and time. This study aimed to quantify redistribution of macronutriens and minor nutrients in Jatropha curcas leaves through five phenological phases (expanding leaf, young leaf, mature leaf, senescing leaf, and dry leaf). It was observed that the nutrients P, K, Cu, and Zn are intensively redistributed from older to younger jatropha leaves, while N, Ca, Mg, Fe, and Mn are poorly redistributed. Leaf senescence causes a loss of the nutrients that are not redistributed because they will need to be re-absorbed for supporting the growth of new structures in the plant.
- Subjects
JATROPHA; LEAF growth; PLANT nutrition; PLANT nutrients; PHENOLOGY; PLANT physiology
- Publication
Revista Brasileira de Engenharia Agricola e Ambiental - Agriambi, 2011, Vol 15, Issue 11, p1175
- ISSN
1807-1929
- Publication type
Article
- DOI
10.1590/S1415-43662011001100010