Anatomical Features of Sugarcane (Saccharum officinarum L.) Treated with Thiamine
Lucas Aparecido Manzani Lisboa *
São Paulo State University (UNESP), College of Technology and Agricultural Sciences, Dracena, São Paulo, Brazil and Integrated College Stella Maris (FISMA), Educational Fundation of Andradina (FEA), Andradina, São Paulo, Brazil
Paulo Alexandre Monteiro de Figueiredo
São Paulo State University (UNESP), College of Technology and Agricultural Sciences, Dracena, São Paulo, Brazil
Samuel Bispo Ramos
São Paulo State University (UNESP), College of Technology and Agricultural Sciences, Dracena, São Paulo, Brazil
Victor Garcia Venâncio
São Paulo State University (UNESP), College of Technology and Agricultural Sciences, Dracena, São Paulo, Brazil
Vinicius Anjos Aragão
Integrated College Stella Maris (FISMA), Educational Fundation of Andradina (FEA), Andradina, São Paulo, Brazil
Wagner José Machado da Silva
Integrated College Stella Maris (FISMA), Educational Fundation of Andradina (FEA), Andradina, São Paulo, Brazil
Gabriel Geminiano da Silva
Integrated College Stella Maris (FISMA), Educational Fundation of Andradina (FEA), Andradina, São Paulo, Brazil
Letícia Sodario Bezerra de Araújo
Integrated College Stella Maris (FISMA), Educational Fundation of Andradina (FEA), Andradina, São Paulo, Brazil
Igor José Pereira de Salis
Integrated College Stella Maris (FISMA), Educational Fundation of Andradina (FEA), Andradina, São Paulo, Brazil
Augusto Costa Mota
Integrated College Stella Maris (FISMA), Educational Fundation of Andradina (FEA), Andradina, São Paulo, Brazil
*Author to whom correspondence should be addressed.
Abstract
This worked aimed to know the anatomical features of sugarcane (Saccharum officinarum L.) treated with thiamine. A completely randomized experiment was used and designed in a double factorial scheme at 3x5 levels, in which the first factor consists of a variety of sugarcane: RB86-7515; RB96-6928 and CTC-4; the second factor was thiamine doses in five levels: zero mgL-1; 100 mgL-1; 200 mgL-1; 400 mgL-1 and 800 mgL-1; fifteen treatments were made with five replications, 75 plots in total. Tissues from the leaves and roots were influenced by the exogenous action of thiamine as used at planting, displaying a positive response, doses above 400 mg L-1 can be a limiting factor to the development of these tissues. Factor regarding the sugarcane variety did not influence the anatomy of leaves and roots. Concentrations till 400 mg L-1 of thiamine, at the exogenous administration, promoted a better development on morph-anatomic features of leaves and roots in the planting of sugarcane seedlings.
Keywords: Saccharum sp., vitamin, phloem, xylem, B1