2002
DOI: 10.1590/s0100-29452002000200005
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Optimization of a protocol for the micropropagation of pineapple

Abstract: -The present work aimed at maximizing the number of plantlets obtained by the micropropagation of pineapple (Ananas comosus (L.) Merrill) cv. Pérola. Changes in benzylaminopurine (BAP) concentration, type of medium (liquid or solidified) and the type of explant in the proliferation phase were evaluated. Slips were used as the explant source, which consisted of axillary buds obtained after careful excision of the leaves. A Sterilization was done in the hood with ethanol (70%), for three minutes, followed by cal… Show more

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Cited by 45 publications
(30 citation statements)
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“…After a second subculture, a 3-fold increase in the average number of shoots (18.3) was recorded for 1.5 mg L -1 BAP at 10 weeks; and at 20 weeks a 28-fold increase was observed (167.6) (Figure 1, Plate 1C). Result of this study is similar to report of Almeida et al (2002) in which MS medium supplemented with 1.5 mg L -1 BAP gave the best treatment at proliferation stage, producing an average of 701.1 shoots per explant in liquid medium after five subcultures. Hamad and Taha (2008) also reported that in 4 cycles of culture, shoot number was highest in BAP at 1.5 mg L -1 .…”
Section: Shoot Proliferationsupporting
confidence: 89%
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“…After a second subculture, a 3-fold increase in the average number of shoots (18.3) was recorded for 1.5 mg L -1 BAP at 10 weeks; and at 20 weeks a 28-fold increase was observed (167.6) (Figure 1, Plate 1C). Result of this study is similar to report of Almeida et al (2002) in which MS medium supplemented with 1.5 mg L -1 BAP gave the best treatment at proliferation stage, producing an average of 701.1 shoots per explant in liquid medium after five subcultures. Hamad and Taha (2008) also reported that in 4 cycles of culture, shoot number was highest in BAP at 1.5 mg L -1 .…”
Section: Shoot Proliferationsupporting
confidence: 89%
“…The half-strength MS basal medium containing no growth regulators had the highest root length (29.3 mm) (Table 2, Plate 1E) and the third highest mean number of roots (6.3). Almeida et al (2002) also recorded success in rooting when shoots were transferred to MS medium with half the concentration of salts and no growth regulators for 30 days. The half-strength MS supplemented with 1.8 mg L -1 NAA gave the second highest average roots' length (28.7 mm, Table 2).…”
Section: Root Inductionmentioning
confidence: 99%
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“…A produção in vitro de mudas de abacaxizeiro já está bem estabelecida (Guerra et al, 1999;Teixeira et al, 2001;Almeida et al, 2002;Barboza et al, 2004). Depois de as plantas atingirem desenvolvimento adequado in vitro (Teixeira et al, 2001), elas são aclimatadas em condições ex vitro para posterior adaptação às condições de campo.…”
Section: Introductionunclassified
“…Como não se conhece o sexo das plantas no início do plantio, os agricultores plantam pelo menos três mudas por cova, o que aumenta os custos de produção, além de afetar o desenvolvimento das plantas hermafroditas em razão da competição. Na busca por alternativas à propagação seminífera, a micropropagação torna-se uma técnica importante para diversas espécies, sobretudo na fruticultura (ALMEIDA et al, 2002;BORGES et al, 2006;COSTA;ALOUFA, 2007;KABIR et al, 2007;NAND et al, 2004;ROCHA et al, 2008;VILLA et al, 2008). Para o mamoeiro, no entanto, a rizogênese é um dos entraves ao processo micropropagativo (AGNIHOTRI et al, 2004;ROHMAN et al, 2007;SCHMILDT et al, 2009;SCHMILDT et al, 2010;CHAN, 1994;YU et al, 2000).…”
Section: Introductionunclassified