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Auteur principal:	Carlos A. Solís
Format:	Artículo científico
Langue:	es
Publié:	Universidad de Costa Rica 2015
Sujets:	Agrociencias AIB sustratos azul de mata enraizamiento Justicia tinctoria
Accès en ligne:	https://www.redalyc.org/articulo.oa?id=43642603007 https://www.redalyc.org/journal/436/43642603007/ https://www.redalyc.org/journal/436/43642603007/html/ https://www.redalyc.org/journal/436/43642603007/43642603007.epub https://www.redalyc.org/journal/436/43642603007/movil
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PROPAGACIÓN ASEXUAL DE AZUL DE MATA (Justicia tinctoria (OERST.) D. N. GIBSON, FAM. ACANTHACEAE) POR MEDIO DE ESTACAS Carlos A. Solís Víctor Jiménez Julio Arias Agrociencias AIB sustratos azul de mata enraizamiento Justicia tinctoria Se evaluó el efecto de dosis de ácido indolbutírico (0, 500, 1000 o 1500 ppm), la posición de donde se toma la estaca (basal, medial o terminal), el tamaño de la estaca (6, 10 o 14 cm), la ausencia o presencia de hojas, y el tipo de sustrato (arena de río, fibra de coco o carbón de granza de arroz), sobre el enraizamiento de estacas de azul de mata bajo ambiente protegido. Las variables evaluadas fueron el porcentaje de brotación y de enraizamiento, número de brotes, cantidad y longitud de raíces. Las estacas terminales presentaron los mayores valores para todas las variables, excepto porcentaje de enraizamiento: mayor número de brotes (17,5), longitud (0,17) y cantidad de raíces (0,65) que las estacas mediales y basales, lo que estaría asociado a una mayor velocidad de enraizamiento. Las dosis de AIB 1000 y 1500 ppm indujeron una mayor cantidad de raíces por estaca (8,40 y 9,24 respectivamente) que las dosis menores. Hubo mayor porcentaje de enraizamiento con 1000 ppm de AIB (69%) que sin ese compuesto (41%). Al utilizar estacas sin hojas aumentó la magnitud de cada una de esas variables. Con arena se obtuvo una mayor brotación aérea (96%), enraizamiento (92%) y longitud de raíz (5,1 cm) que con los otros sustratos. Las estacas de 14 cm presentaron consistentemente, mayor número de brotes (3,71), raíces más largas (3,56 cm) y en mayor número (10,71) que las de 10 y 6 cm. 2015 artículo científico 0377-9424 https://www.redalyc.org/articulo.oa?id=43642603007 https://www.redalyc.org/journal/436/43642603007/ https://www.redalyc.org/journal/436/43642603007/html/ https://www.redalyc.org/journal/436/43642603007/43642603007.epub https://www.redalyc.org/journal/436/43642603007/movil es http://www.redalyc.org/revista.oa?id=436 Agronomía Costarricense application/pdf Universidad de Costa Rica Agronomía Costarricense (Costa Rica) Num.2 Vol.39

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// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

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