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Fructan production in Vernonia herbacea (Vell.) Rusby is related to adequate nitrogen supply and period of cultivation Rev. Bras. Bot.
Cuzzuol,Geraldo R. F.; Carvalho,Maria Angela M.; Zaidan,Lilian B. P..
Previous studies showed that plants of Vernonia herbacea grown for one year under a limited nitrogen supply presented reduced growth and higher fructan content than plants treated with sufficient nitrogen supply. However, the total fructan production was similar in both plant groups due to the higher biomass of the underground reserve organ in nitrogen-sufficient (N-sufficient) plants. In the present study we aimed to evaluate if a stress growing condition under nitrogen-limited (N-limited) supply, following cultivation under N-sufficient supply would have a positive effect on fructan production. Plants cultivated during one year under N-sufficient supply (10.7 mmol L-1 N-NO3-) were separated in two groups. During the following six months, one group...
Tipo: Info:eu-repo/semantics/article Palavras-chave: " cerrado" vegetation; Inulin; Nutritional stress; Plant growth; Underground reserve organ.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042008000100010
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