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Ciência e Agrotecnologia
Article . 2004
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Tamanhos e posições de explantes e volumes de meio de cultivo na multiplicação de ipeca (Psychotria ipecacuanha (Brot.) Stokes) in vitro Explant sizes and positions and volume of medium of culture on the multiplication of Ipecac (Psychotria ipecacuanha (Brot.) Stokes) in vitro

Authors: Reis, Érika Soares; Pinto, José Eduardo Brasil Pereira; Corrêa, Ricardo Monteiro; Bertolucci, Suzan Kelly Vilela; Lameira, Osmar Alves;

Tamanhos e posições de explantes e volumes de meio de cultivo na multiplicação de ipeca (Psychotria ipecacuanha (Brot.) Stokes) in vitro Explant sizes and positions and volume of medium of culture on the multiplication of Ipecac (Psychotria ipecacuanha (Brot.) Stokes) in vitro

Abstract

No presente trabalho, avaliaram-se o efeito do tamanho e posição de explantes na planta de ipeca e diferentes volumes de meio de cultivo na multiplicação "in vitro" de Psychotria ipecacuanha (Brot.) Stokes. O experimento que avaliou o efeito dos diferentes tamanhos e posições de explantes foi conduzido em tubos de ensaio de 25x150 mm, contendo 20 mL de meio de cultivo por tubo, sendo avaliados os tamanhos de 0,5; 1,0 e 1,5 cm nas posições basal, mediana e apical. No segundo experimento, utilizaram-se frascos nos quais os tratamentos consistiam nos volumes de 10, 20, 30 e 40 mL de meio de cultivo por frasco. O meio de cultivo utilizado nos dois experimentos foi o MS (MURASHIGE e SKOOG, 1962) acrescido de 1,5 mg. L-1 de BAP (6-benzilaminopurina). A posição do segmento internodal não influenciou o desenvolvimento vegetativo; os tamanhos de 1,0 e 1,5 cm apresentaram maior número de brotações que os segmentos com 0,5 cm. No experimento com diferentes volumes de meio de cultivo, observou-se que 30 e 40 mL foram significativamente melhores na indução de brotações adventícias nessa espécie.In this work evaluated the effect of size and position of explant in plant and volume different culture medium on the multiplication of Psychotria ipecacuanha (Brot.) Stokes "in vitro" conditions. Experiment with different size and positions was conducted in test tube of 25x150 mm, content 20 mL of culture medium with 0,5; 1,0 and 1,5 cm of size and three different positions (basal, median and apical). In the second experiment were utilized differents volumes (10, 20, 30 and 40 mL) of culture medium. Culture medium utilized on two experiments was MS (MURASHIGE and SKOOG, 1962) supplemented with 1,5 mgL-1 of BAP (6-benzilaminopurine). The differents position not observed influenced, where size of 1,0 and 1,5 showed higher numbers of shoots segments. The different volumes of culture medium were observed that 30 and 40 mL showed higher shoot number.

Country
Brazil
Related Organizations
Keywords

Plant micropropagation, Agriculture (General), Medicinal plants – Planting, planta medicinal, internodal segment, S1-972, medicinal plant, Plantas medicinais – Cultivo, Psychotria ipecacuanha, Micropropagação de plantas, segmento internodal

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold