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Boron affects the growth and ultrastructure of castor bean plants Scientia Agricola
Silva,Denis Herisson da; Rossi,Monica Lanzoni; Boaretto,Antonio Enedi; Nogueira,Neusa de Lima; Muraoka,Takashi.
The cultivation of oleaginous plants like the castor bean guarantees employment for agricultural families and can contribute in energy and chemical sectors, especially in the northeastern semi-arid regions of Brazil. Boron (B) deficiency is a widespread nutritional disorder despite the fact that various anthropogenic sources with high B content may increase soil B to toxic levels for plants. The present study was designed to investigate the ultrastructural effects of boron deficiency and toxicity on castor bean plants which were grown under greenhouse condition using plastic containers with 10 L of nutrient solution. Boron treatments comprised: control (no B); 0.27 mg L-1, 5.40 mg L-1 B pots (one plant per pot), tested in a completely randomized design...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Electron microscopy; Middle lamellae; Micronutrient; Xylem; Starch.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162008000600014
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