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International Journal of Botany

Year: 2011 | Volume: 7 | Issue: 4 | Page No.: 289-294
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Authors

M. Eweis

Amber S. Gad

Keywords

Research Article

Control of Beta vulgaris Pathogens using Lantana camara Linn. Essential oil in vitro

M. Eweis and Amber S. Gad
Rhizoctonia solani Kühn (A022), Scierotium rolfsii Sacc. and Fusarium solani (Mart.) Sacc were isolated from sugar beet Beta vulgaris in Egypt. The antimycotic behavior of Lantana camara Linn. flowers essential oil was investigated in vitro. including its effect on mycelial growth, conidia and/or sclerotia germination. 10-40 μl mL-1 essential oil had a significant inhibitory effect upon conidia/sclerotia development and germination when compared to the control, where, R. solani exhibited the fastest growth. Growth tolerance towards the essential oil was highest for F. solani and lowest for R. solani. The sclerotia of S. rolfsii were most sensitive to the essential oil stress with regard to their germination and the produced number. Maximum inhibition of F. solani macro-conidia was recorded at 40 μl mL-1, as no macro-conidia was observed at a higher concentration.
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