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Control of papaya fruits anthracnose by essential oil of Ricinus communis BABT
Siqueira Júnior,César Luis; Freire,Maria das Graças Machado; Moreira,Antônio Sérgio Nascimento; Macedo,Maria Ligia Rodrigues.
The aim of this work was to investigate the potential of castor oil for the control of papaya diseases caused by the fungus Colletotrichum gloeosporioides and the bacterium Pseudomonas caricapapayae. The treatment with 1% castor oil did not significantly affect the fungal growth. The effectiveness of castor oil for the control of anthracnose was shown when 5% and 10% (v/v) were used in the assays resulting in reduced mycelial growth. Fungal sporulation was strongly inhibited at 10% (v/v) concentration of essential oil. The studies with the fresh fruits treated with 5% (v/v) castor oil in aqueous emulsions resulted in effective reduction of pathogen spread in these fruits. No lesion was found in the fruits treated with oil, when compared to the control...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Antimicrobial activity; Essential oil; Postharvest; Colletotrichum gloeosporioides; Papaya.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000100009
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