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Revista Brasileira de Plantas Medicinais
Print version ISSN 1516-0572
XAVIER, M.V.A. et al. Viability of Vigna unguiculata bean seeds treated with essential oil of Java grass (Cymbopogon winterianus Jowitt). Rev. bras. plantas med. [online]. 2012, vol.14, n.spe, pp. 250-254. ISSN 1516-0572. http://dx.doi.org/10.1590/S1516-05722012000500021.
Seed treatment with essential oils is an alternative method tool in integrated pest management. The objective of this study was to evaluate the effect of treating Vigna unguiculata (L.) Walp. bean seeds with essential oil of Java grass (Cymbopogon winterianus Jowitt). The effect of C. winterianus essential oil on P. vulgaris was evaluated at levels of 20 μL, 15 μL, 10 μL, 5 μL and control. The physiologic quality of the seeds was determined by percentage emergence, speed emergence and speed emergence index. The data analysis was carried out using an entirely randomized design, in a 5 x 2 factorial scheme with five repetitions. The fumigated bean seeds showed the statistics differences among the analyzed parameters when was compared with the no treated check. The essential oil of Java grass revealed allelopathic potentiality on bean seed germination which varied according to the oil concentration.
Keywords : Germination; Vigna unguiculata; Cymbopogon winterianus; allellopathic potential; essential oil.