2017
DOI: 10.1590/01047760201723022289
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AGAR DOES NOT AFFECT IN VITRO RHIZOGENESIS AND EX VITRO ACCLIMATIZATION OF Handroanthus chrysotrichus

Abstract: ABSTRACT:The golden trumpet tree Handroanthus chrysotrichus (Bignoniaceae) is an important species, owing to its economic, ecological, medicinal, and ornamental value. However, its production is hindered due to lack of seed availability and viability improved methods of vegetative propagation are needed. Therefore, we evaluated the effect of agar on in vitro rhizogenesis of H. chrysotrichus shoots and the subsequent ex vitro acclimatization of the plants obtained. In the in vitro rhizogenesis assay, we culture… Show more

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Cited by 6 publications
(4 citation statements)
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“…Each plantlet's successful acclimatization in the greenhouse depended on suitable growing media and environmental conditions. The use of sterile growing media can reduce mortality rates during this phase, consistent with findings in the acclimatization of Encyclia cordigera using sterile peat moss [7]. Conversely, unsterile media may contain contaminants like bacteria and fungi, which can hinder plant growth, as in vitro-cultured plantlets are more vulnerable compared to their in vivo counterparts in a greenhouse.…”
Section: Discussionsupporting
confidence: 76%
See 1 more Smart Citation
“…Each plantlet's successful acclimatization in the greenhouse depended on suitable growing media and environmental conditions. The use of sterile growing media can reduce mortality rates during this phase, consistent with findings in the acclimatization of Encyclia cordigera using sterile peat moss [7]. Conversely, unsterile media may contain contaminants like bacteria and fungi, which can hinder plant growth, as in vitro-cultured plantlets are more vulnerable compared to their in vivo counterparts in a greenhouse.…”
Section: Discussionsupporting
confidence: 76%
“…Another critical factor is the effectiveness of the acclimatization process in the greenhouse, where plantlets adapt from in vitro culture to their natural environment, ensuring their successful establishment in the field [6]. Each plantlet's successful acclimatization in the greenhouse depended on suitable growing media and environmental conditions [7]. However, the acclimatization process, growth, and yield of C. barbata derived from in vitro culture have never been reported.…”
Section: Introductionmentioning
confidence: 99%
“…En un protocolo de micropropagación la aclimatación es la etapa final, consiste en la adaptación de las plántulas antes de pasar al invernadero o a un ambiente natural (Rabaiolli et al, 2017). Las plántulas in vitro de orquídeas se desarrollan en condiciones controladas de baja intensidad luminosa, de 36 (Mengarda et al, 2017) a 57 µmol m -2 s -1 (Bello-Bello et al, 2020); alta humedad relativa, de 85 (Dwiyani et al, 2022) a 98 % (Chen, 2004) y bajo intercambio de CO 2 y O 2 ; por ésto, sólo un 70 % de plantas micropropagadas de Dendrobium chrysanthum que se establecieron en condiciones de 70-80 % de humedad relativa y sustrato de pedazos de ladrillo, pedazos de carbón y hojarasca en descomposición (1:1:1) sobrevivieron en el periodo de aclimatación (Hajong et al, 2010).…”
Section: Introductionunclassified
“…A importância de estudos voltados para o desenvolvimento de métodos de propagação para esta espécie é resaltada por Rabaiolli et al (2017). A porcentagem de germinação da mesma pode chegar em torno de 65,0 % em sementes não armazenadas e esse percentual é reduzido a cada ano em sementes armazenadas, podendo ser nula ao terceiro ano de armazenamento (MARCOLI et al As sementes foram desinfestadas em álcool (70%) por um minuto e em seguida em hipoclorito de sódio (2,5%) por 10 minutos.…”
Section: Introductionunclassified