Use este identificador para citar ou linkar para este item: repositorio.ufla.br/jspui/handle/1/14548
Título: POTENTIAL OF DISPERSION OF Tecoma stans AND CHEMICAL ATTRIBUTES OF SOME SOILS OF THE PARANÁ STATE.
Autor: Bredow, Edgard Alfredo
Wisniewski, Celina
Palavras-chave: Yellow-Bells, invasive species, soil nutrients, potential dispersion
Publicador: CERNE
CERNE
Data: 22-Mai-2015
Outras Identificações : http://www.cerne.ufla.br/site/index.php/CERNE/article/view/214
Descrição: This work correlated invasiveness characteristic (potential dispersion) of Tecoma stans (L.) Jussieu ex. Kunth (BIGNONIACEAE) known as a Yellow-Bell. Open field test was developed starting from stakes in vases with four different types soils of the Paraná State, conduced to randomized block design with four treatments and five replications. The soils were analyzed regarding the pH, CTC, level of C, Al+³, macro and micronutrients, and content of sand, silt and clay. After 6 months the leaf area, dry weight of leaves and potential dispersion, calculated by given numeric values from 1 to 4 for phonological phases presented. The macro and micronutrients content (except K and Fe) were high in all the soils. The correlations between dispersion potential and pH and the V% were positive and significant and with effective CTC, the Fe and clay content were negative. It was not found significant correlations between the dispersion potential and biomass or leaf area. Positive and significant correlations of biomass and leaf area with macro (except P) and micronutrients (except Cu) apparently indicate that if the evaluation had been accomplished at the end of the flowering period of the species, nutritional relationships with the dispersion potential would be clearer, although  it can  be concluded  that the species has a preference for less acid soils.
Idioma: por
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