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Efectividad antagónica In Vitro de Trichoderma sp., frente a Stemphylium lycopersici


 
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Cultivos Tropicales

 ISSN 1819-4087

POZO-SERRANO, Jonathan et al. Efectividad antagónica In Vitro de Trichoderma sp., frente a Stemphylium lycopersici. []. , 40, 3   04--2019. ISSN 1819-4087.

Stemphylium lycopersici constituye uno de los agentes causales de la mancha gris en las hojas del tomate, patología recurrente y extendida en los cultivos de tomate en Holguín. Se evaluó el antagonismo in vitro de Trichoderma harzianum cepas A-34, A-53 y Trichoderma viride TS-3, frente a Stemphylium lycopersici. El enfrentamiento se realizó mediante un ensayo de antagonismo en medio de cultivo Agar Papa Dextrosa (APD). El indicador evaluado fue el porcentaje del índice de inhibición micelial IM (%). Las tres cepas demostraron una elevada efectividad antagónica in vitro frente a Stemphylium lycopersici.

: tomate; biocontrol, micelio, inhibición, patógeno.

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