Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substrates

The effect of gibberellic acid (GA3) and different substrates on the growth of Laelia tenebrosa was evaluated. In vitro germinated plants were transplanted to trays, acclimatized, and after nine months used in two experiments: (a) effect of different substrates: coconut powder, Pinus sp. bark, cocon...

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Autores principales:	Antonietti,Daniela, Buttini,Sabrina, da Costa Zonetti,Patricia, Bittencourt Guimarães,Ana Tereza, Stefanello,Suzana
Lenguaje:	English
Publicado:	Universidad de Tarapacá. Facultad de Ciencias Agronómicas 2014
Materias:	Growth regulator gibberillin Orchidaceae
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292014000300002
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spelling	oai:scielo:S0718-342920140003000022014-11-05Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substratesAntonietti,DanielaButtini,Sabrinada Costa Zonetti,PatriciaBittencourt Guimarães,Ana TerezaStefanello,Suzana Growth regulator gibberillin Orchidaceae The effect of gibberellic acid (GA3) and different substrates on the growth of Laelia tenebrosa was evaluated. In vitro germinated plants were transplanted to trays, acclimatized, and after nine months used in two experiments: (a) effect of different substrates: coconut powder, Pinus sp. bark, coconut powder + Pinus sp. bark, coconut powder + Pinus sp. bark + charcoal and coconut powder + Pinus sp. bark + charcoal + crushed walnut shells, with five plants/pot and seven repetitions; (b) effect of pulverization with GA3 (0, 25, 50, 100 and 200 mg L-1) with four plants/pot and seven repetitions. After 360 days, the following variables were evaluated: survival rate, shoot height, number of leaves and buds, length and width of leaves and root length. Significant differences were found for number of buds, length of leaves and roots, with the best results for the plants grown in coconut powder + Pinus sp. bark and coconut powder + Pinus sp. bark + charcoal + walnut shells. Significant differences were found with pulverization with GA3 for all variables except for leaf width and the best results were obtained with 25, 50 and 200 mg L-1.info:eu-repo/semantics/openAccessUniversidad de Tarapacá. Facultad de Ciencias AgronómicasIdesia (Arica) v.32 n.3 20142014-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292014000300002en10.4067/S0718-34292014000300002
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Growth regulator gibberillin Orchidaceae
spellingShingle	Growth regulator gibberillin Orchidaceae Antonietti,Daniela Buttini,Sabrina da Costa Zonetti,Patricia Bittencourt Guimarães,Ana Tereza Stefanello,Suzana Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substrates
description	The effect of gibberellic acid (GA3) and different substrates on the growth of Laelia tenebrosa was evaluated. In vitro germinated plants were transplanted to trays, acclimatized, and after nine months used in two experiments: (a) effect of different substrates: coconut powder, Pinus sp. bark, coconut powder + Pinus sp. bark, coconut powder + Pinus sp. bark + charcoal and coconut powder + Pinus sp. bark + charcoal + crushed walnut shells, with five plants/pot and seven repetitions; (b) effect of pulverization with GA3 (0, 25, 50, 100 and 200 mg L-1) with four plants/pot and seven repetitions. After 360 days, the following variables were evaluated: survival rate, shoot height, number of leaves and buds, length and width of leaves and root length. Significant differences were found for number of buds, length of leaves and roots, with the best results for the plants grown in coconut powder + Pinus sp. bark and coconut powder + Pinus sp. bark + charcoal + walnut shells. Significant differences were found with pulverization with GA3 for all variables except for leaf width and the best results were obtained with 25, 50 and 200 mg L-1.
author	Antonietti,Daniela Buttini,Sabrina da Costa Zonetti,Patricia Bittencourt Guimarães,Ana Tereza Stefanello,Suzana
author_facet	Antonietti,Daniela Buttini,Sabrina da Costa Zonetti,Patricia Bittencourt Guimarães,Ana Tereza Stefanello,Suzana
author_sort	Antonietti,Daniela
title	Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substrates
title_short	Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substrates
title_full	Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substrates
title_fullStr	Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substrates
title_full_unstemmed	Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substrates
title_sort	plant growth of laelia tenebrosa rolfe treated with gibberellic acid and grown on different substrates
publisher	Universidad de Tarapacá. Facultad de Ciencias Agronómicas
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292014000300002
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Plant growth of Laelia tenebrosa Rolfe treated with gibberellic acid and grown on different substrates

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