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Revista de Ciências Agrárias
Print version ISSN 0871-018X
Abstract
FARIAS, Otília R. de et al. Antifungal activity of rosemary oil in Phaseolus lunatus seeds. Rev. de Ciências Agrárias [online]. 2020, vol.43, n.1, pp.57-80. Epub Jan 28, 2020. ISSN 0871-018X. https://doi.org/10.19084/rca.18742.
The objective of this work was to determine the effect of rosemary oil (Rosmarinus officinalis) on seed physiological and sanitary quality of lima bean seeds (Phaseolus lunatus), cultivars ‘Raio de Sol’, 'Rosinha' and 'Roxinha'. The treatments were composed of the Captan fungicide (240 g. 100 kg-1 of seeds), rosemary essential oil at 0.25; 0.5; 0.75 and 1.0 mL L-1 diluted in distilled and sterilized water, plus 0.05 mL of Tween 20 and control (untreated seeds). For sanitary analysis, the filter paper method (Blotter test) was used. The physiological quality was determined based on the results of first germination counting, germination, germination speed index, length and dry matter of shoot and seedling root. . The identified fungi genera were Fusarium sp., Cladosporium sp., Penicillium sp., Colletotrichum sp., Aspergillus sp., Nigrospora sp., Curvularia sp., Botrytis sp., Bipolaris sp. and Phytophthora sp. The rosemary oil was efficient in reducing the incidence of associated fungi and did not interfere with the lima bean germination and initial growth in 'Raio de Sol', 'Rosinha' and 'Roxinha' cultivars at the evaluated concentrations.
Keywords : Alternative control; initial growth; lima bean; essential oil; Rosmarinus officinalis L..