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Doctoral Thesis
DOI
https://doi.org/10.11606/T.11.2019.tde-20191220-142112
Document
Author
Full name
Elisabete Domingues Salvador
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 2000
Supervisor
Title in Portuguese
Caracterização física e formulação de substratos para o cultivo de algumas ornamentais
Keywords in Portuguese
CARACTERÍSTICAS FÍSICAS
CULTIVO EM SUBSTRATO
GLOXÍNIA
LISIANTO
VIOLETA
Abstract in Portuguese
Experimentos com gloxínia (Sinningia speciosa Lood. Hiern.), lisianthus (Eustoma grandiflorum) e violeta (Saintpaulia ionantha) foram conduzidos com o objetivo de formular substratos adequados às culturas. Foram avaliadas as características físicas e misturas de materiais, observando-se que gloxínia se desenvolveu melhor em substratos de densidade 0,55 g.cm-3, 77,60% de porosidade total, 26,93% de espaço de aeração, 18,75% de água disponível e 16,36% de água facilmente disponível, sendo o substrato vermiculita : húmus de minhoca : perlita o mais indicado. Lisianthus se desenvolveu melhor em substratos com densidades de 0,75 g.cm-3 a 0,95 g.cm-3, porosidade total de 72,60 a 75, 10%, espaço de aeração de 12,81 a 19,53%, água disponível de 19,79 a 26,03% e água facilmente disponível de 17,41 a 23,71%, sendo os substratos turfa cultivadora : vermiculita, casca de eucalipto : turfa convencional : areia e testemunha adequados para a cultura. Violeta se desenvolveu melhor em substratos de densidade 0,75 g.cm-3, porosidade total de 75,10%, espaço de aeração de 19,53%, água disponível de 26,03% e água facilmente disponível de 23,71%, sendo indicados os substratos turfa convencional : casca de eucalipto : areia, húmus de minhoca : vermiculita : areia, casca de pinus : húmus de minhoca, turfa cultivadora : vermiculita, Eucatex à base de turfa e Vida Verde - Substrato para Violeta.
Title in English
Physical characterization and formulation of substrates for some ornamental plants growth
Abstract in English
Experiments on gloxinia (Sinningia speciosa Lood. Hiern.), lisianthus (Eustoma grandiflorum) and African violet (Saintpaulia ionantha) cultures were carried out with the objective of formulating suitable substrates to these cultivation. The physical characteristics and mixtures of materials were evaluated, noticing that gloxinia developed well in the following conditions: 0.5 g.cm-3 density, 77.60% total porosity, 26.93% air space, 18.75% available water and 16.36% easily available water, and the vermiculite : earthworm humus : perlite substrate was the most suitable for gloxinia cultivation. Lisianthus developed well in the following conditions: 0.75 and 0.95 g.cm-3 densities, 72.60 to 75.10% total porosity, 12.81 to 19.53% air space, 19.79 to 26.03% available water, 17,41 a 23,71% easily available water, and the cultivated peat : vermiculite; eucalyptus bark : conventional peat : sand substrates and control, presented the best results. African violet developed well in the following conditions: 0.75 g.cm-3, 75.10% total porosity, 19.53% air space, 26.03% available water and 23.71% easily available water, and the substrates conventional peat : eucalyptus bark: sand, earthworm humus: vermiculite: sand, pine bark: earthworm humus, cultivated peat : vermiculite, commercial substrates ("Eucatex", made from peat, and "Vida Verde - substrate for African violet"), showed to be adequate for African violet cultivation.
 
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Publishing Date
2019-12-20
 
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