2000
DOI: 10.1590/1809-43922000303362
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Padronização de medidas de crescimento e produção em experimentos com pupunheira para palmito

Abstract: RESUMO -Pesquisas com a pupunheira (Bactris gasipaes Kunth) têm sido intensificadas em vários países devido ao crescente uso dessa espécie para produção agrícola de palmito, em substituição à exploração predatória de palmeiras silvestres. Por ser uma espécie ainda pouco estudada, pesquisadores utilizam diferentes caracteres para avaliar o crescimento e a produção, frequentemente medidos de formas distintas, impossibilitando assim a comparação de resultados. O presente trabalho faz uma revisão dos métodos para … Show more

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Cited by 49 publications
(55 citation statements)
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“…The shoot relative growth (SRG) was calculated as it follows: SRG (%) = (DMNO/DMCT) x 100, where DMNO = total shoot dry mass for each nutrient omission and DMCT = total shoot dry mass for the complete treatment. Leaf area (LA) was calculated following an adaptation of the method by Clement & Bovi (2000), as it follows: LA (m 2 ) = (L x W) x 0.535, where L = leaf length, W = leaf width and 0.535 = constant adjusting the shape of a rectangle to the shape of a leaf. The determination of leaf macro and micronutrients was performed according to Embrapa (2010).…”
Section: Methodsmentioning
confidence: 99%
“…The shoot relative growth (SRG) was calculated as it follows: SRG (%) = (DMNO/DMCT) x 100, where DMNO = total shoot dry mass for each nutrient omission and DMCT = total shoot dry mass for the complete treatment. Leaf area (LA) was calculated following an adaptation of the method by Clement & Bovi (2000), as it follows: LA (m 2 ) = (L x W) x 0.535, where L = leaf length, W = leaf width and 0.535 = constant adjusting the shape of a rectangle to the shape of a leaf. The determination of leaf macro and micronutrients was performed according to Embrapa (2010).…”
Section: Methodsmentioning
confidence: 99%
“…Plant growth was evaluated every six months, taking measurements of the following variables: diameter (at soil level during the first year and at 50 cm height after that period) and height of the main stem, number of suckers per plant and percentage of suckered plants, as recommended by Clement & Bovi (2000). The heart-of-palm yield was evaluated two years after planting, by harvesting all plants with the main stem at least 160 cm high, measured from the soil to the intersection of the first leaf (spear).…”
Section: Methodsmentioning
confidence: 99%
“…Bactris gasipaes is a tropical palm and its fast and constant growth is highly correlated with heart-of-palm yield, as well as with early and frequent harvests (Bovi et al, 1993;Clement & Bovi, 2000;Ares et al, 2002b).…”
Section: Introductionmentioning
confidence: 99%
“…Equações que visam estimar a fitomassa da planta inteira ou de seus componentes foram desenvolvidas por alguns autores para a pupunheira, mas, invariavelmente, se referem ao estado adulto da planta, visto que anteriormente essa espécie era apenas usada para a produção de frutos (Clement et al, 1990;Szott et al, 1993). Estimativas envolvendo plantas mais jovens foram publicadas por Jongschaap (1993) e Clement (1995), representando o perío-do de formação de mudas e a fase inicial de implantação a campo.…”
Section: (Recebido Para Publicação Em 11 De Março De 2003 E Aceito Emunclassified
“…Produto de largo consumo, o palmito é constituído basicamente pelo meristema apical e um número variável de folhas internas, ainda não plenamente desenvolvidas e imbricadas, sendo envolto e protegido pela bainha das folhas adultas mais externas (Ferreira et al, 1976;Bovi, 1998a). Portanto, um desenvolvimento foliar adequado é a condição principal para obter resultado satisfatório na produção de palmito.…”
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