Phytotoxic Analysis of Extract of Leaves of Solanum megalochiton Mart. Solanaceae on Lactuca sativa L. and Allium cepa L

Mariana Saragioto Krause, Ana Flavia Schvabe Duarte, Francis José Zortéa Merino, Cristiane da Silva Paula, Marilis Dallarmi Miguel and Obdulio Gomes Miguel

International Journal of Sciences, 2016, vol. 5, issue 11, 36-42

Abstract: The phytotoxic effect of crude ethanol extracts and fractions of leaves of Solanum megalochiton Mart., Solanaceae on the germination, initial growth and respiration of Lactuca sativa L. (lettuce) and Allium cepa L. (onion) is analyzed. They were placed on 9.0-cm-diameter petri plates with filter paper 6 (Whatmann®). Assay was performed in a totally randomized design. Crude extract and fractions have a phytotoxic activity, with greatest effect on remaining fraction. Results show stimulation and inhibition on germination, growth and respiration. S. megalochiton contains metabolites with phytotoxic activity capable of affecting germination, growth and respiration of the species under analysis, with a potential for discovering new natural herbicide compounds

Keywords: germination; growth; respiration; bioassay; Atlantic Rainforest. (search for similar items in EconPapers)
Date: 2016
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DOI: 10.18483/ijSci.1142

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