Germinação da semente e produção de mudas de cultivares de alface em diferentes substratos

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2008-04-01

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Universidade Estadual de Londrina (UEL)

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The aim of this paper was to evaluate the effects of the combinations of substrata on germination and development of seedlings of lettuce cultivars. The experiment was carried out in a nursery, in Mato Grosso do Sul State University. There wend compared the following combinations of substrata: washed sand + earthworm humus (2: 1); manure bovine + earthworm humus (2: 1); Plantmax(R) + earthworm humus (2: 1); washed sand + Plantmax(R) (2: 1) and manure bovine + Plantmax(R) (2: 1), and three lettuce cultivars: Crespa sem cabeca, Americana Julia and Baba de Verao. The experimental design was entirely at random, in a 5x3 factorial outline, with four replications and 16 seeds perplot. There were considered for evaluation 10 central seedlings per plot. The characteristics evaluated were: germination percentage (%), index of germination speed (IVE) and dry mass of the whole seedling (g). For all the analyzed variables, the cultivars Baba de Verao and Crespa sem cabeca presented the best results. Manure + humus was the best substratum to obtain seedling with larger development (vigor), althout it did not increase IVE and germination percentage.

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Português

Como citar

Semina-ciencias Agrarias. Londrina: Universidade Estadual de Londrina (UEL), v. 29, n. 2, p. 245-254, 2008.

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