SciELO - Scientific Electronic Library Online

 
vol.18 número3Comportamento de cultivares de alface em diferentes espaçamentos sob temperatura e luminosidade elevadasCultura de ápices caulinares e termoterapia na recuperação de plantas livres de vírus de alho índice de autoresíndice de assuntospesquisa de artigos
Home Pagelista alfabética de periódicos  

Serviços Personalizados

Journal

Artigo

Indicadores

Links relacionados

Compartilhar


Horticultura Brasileira

versão impressa ISSN 0102-0536

Resumo

CALVETE, Eunice Oliveira; KAMPF, Atelene Normann; BERGAMASCHI, Homero  e  DAUDT, Rafael Henrique Schüür. Evaluation of the growth of strawberry plants during ex vitro acclimatization. Hortic. Bras. [online]. 2000, vol.18, n.3, pp.188-192. ISSN 0102-0536.  http://dx.doi.org/10.1590/S0102-05362000000300009.

A study was carried out in the Faculdade de Agronomia da Universidade Federal do Rio Grande do Sul to optimize the process of micropropagation of strawberry plants (cultivar Campinas) and to reduce plant losses during acclimatization. The objective of this experiment was to relate plant tissue sucrose levels to biomass production during acclimatization. Strawberry seedlings were grown in vitro, rooted for three weeks under four sucrose levels (15, 30, 45, and 60 g L-1), and transplanted to polyethylene trays bearing 72 cells. The experimental units were arranged in a complete randomized blocks design with five replications. Each plot comprised 36 seedlings and a total of 720 plants. There were evaluated the plant's survival rate (%), growing rate (mg week-1), leaf area (cm2), dry matter (mg) of the above ground plant parts, specific leaf area (cm2 mg-1), leaf mass ratio (mg mg-1), and leaf area ratio (cm2 mg mg-1). Best ex vitro biomass production, was obtained using 45 g L-1 sucrose rate, in MS medium for growth of Campinas strawberry plants. Also, strawberry seedlings needed three to four weeks to adapt themselves to the new ambient conditions and to resume their growing.

Palavras-chave : Fragaria X ananassa Duch.; growth evaluation; biomass; sucrose.

        · resumo em Português     · texto em Português     · Português ( pdf )

 

Creative Commons License Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons