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Articles

EFFICACY OF PLANT EXTRACTS ON GROWTH REDUCTION OF COLLETOTRICHUM MUSAE AND FUSARIUM PROLIFERATUM, CAUSAL AGENTS OF CROWN ROT OF BANANAS

Article number
906_26
Pages
205 – 210
Language
Spanish
Abstract
Aqueous extracts from plants commonly used in medicine, food, or that traditionally have been associated with some antifungal effect, were tested against Colletotrichum musae and Fusarium proliferatum, two of the main fungi causing banana crown rot (PCB). Extracts of Gliricidia sepium and Eucalyptus globulus were the most effective to reduce colony growth and lesion depth in banana fingers inoculated with C. musae. Extracts of Thymus vulgaris and Allium sativum reduced colony growth of F. proliferatum. The most effective extracts for reducing lesion development were E. globulus, Neurolaena lobata and T. vulgaris.
E. globulus
was active in vivo for both C. musae and F. proliferatum. There were less extracts with inhibitory activity in vitro for F. proliferatum and the results obtained in vitro and in vivo differed.
For C. musae the results obtained in vitro and in vivo were similar.

Extractos acuosos de plantas medicinales, alimenticias o tradicionalmente relacionadas con efectos plaguicidas, se evaluaron contra Colletotrichum musae y Fusarium proliferatum, dos de los principales hongos causantes de pudrición de la corona del banano (PCB). Los extractos de Gliricidia sepium y Eucalyptus globulus fueron los más eficaces en la reducción del crecimiento de la colonia de C. musae y en la profundidad de las lesiones causadas por este hongo.
Extractos de Thymus vulgaris y Allium sativum redujeron el crecimiento micelial de F. proliferatum. Los extractos más eficaces para reducir la profundidad de las lesiones causadas por este hongo fueron E. globulus, Neurolaena lobata y T. vulgaris.
E. globulus
fue activo in vivo para C. musae y F. proliferatum. Hubo menos extractos con actividad inhibitoria in vitro para F. proliferatum y los resultados obtenidos in vitro e in vivo no coincidieron.
Para C. musae los resultados obtenidos in vitro e in vivo fueron similares.

Publication
Authors
G. Umaña-Rojas, J. García
Keywords
crown rot, banana, aqueous plant extracts, Colletotrichum musae, Fusarium proliferatum, eucalyptus
Full text
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