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Autor: Abawi, G.S.

Beans are attacked by different pathogens. Rhizoctonia root rot results in seed rot, damping-off, stem canker, and root and pod rot. Fungicide applications are suggested as control measures. Fusarium root rot appears as reddish lesions or streaks on the hypocotyl and primary root. Fusarium yellow...

El frijol es atacado por varios patogenos. La pudricion radical produce podredumbre del pie, chancro del tallo y pudricion radical y de la vaina. La pudricion seca de las raices aparece como lesiones rojizas en el hipocotilo y en la raiz primaria. El amarillamiento ocurre en las raices e hipocoti...


Abawi, G.S.[Root rots]Root rots

Epidemiology of bean (Phaseolus vulgaris) web blight (BWB) caused by Thanatephorus cucumeris (teleomorph of Rhizoctonia solani) was studied in a field with a history of severe incidence of the disease. Sclerotia and mycelium of T. cucumeris, either free in soil or in the form of colonized debris,...


Galindo, J.J.Abawi, G.S.Thurston, HDGalvez, G[Source of inoculum and development of bean web blight in Costa Rica]Source of inoculum and development of bean web blight in Costa Rica

The procedures to be followed for the preparation of Rhizoctonia solani inoculum and of inoculum using R. solani micelium, and for the determination of R. solani populations in the soil (complete soil method, OM test, and pathogen attraction) are given. Recommendations for the International Web B...


Abawi, G.S.Pastor Corrales, Marcial A.[Preparado para el grupo participantes del Taller de Mustia]Preparado para el grupo participantes del Taller de Mustia

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