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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

Mulching was highly effective and superior to chemical treatments for the control of web blight (WB) caused in beans by Rhizoctonia solani, the imperfect state of Thanatephorus cucumeris. Plots were established in fields with a history of repeated incidence of WB. Soilborne sclerotia and colonize...


Galindo, J.J.Abawi, G.S.Thurston, HDGalvez, G[Effect of mulching on web blight of beans in Costa Rica]Effect of mulching on web blight of beans in Costa Rica

The bean (Phaseolus vulgaris) cultivar Jules and the PI 207262 line are moderately resistant to Xanthomonas campestris pv. phaseoli in the temperate zone but appeared susceptible in field evaluations in the tropics. Susceptibility to the pathogen was related to environmental factors that caused v...


Webster, DMTemple, Steven R.Galvez, G[Expression of resistance to Xanthomonas campestris pv. phaseoli in Phaseolus vulgaris under tropical conditions]Expression of resistance to Xanthomonas campestris pv. phaseoli in Phaseolus vulgaris under tropical conditions

The symptomatology, biological cycle, epidemiology, and var., cultural, chemical, and integrated control of web blight of beans (Thanatephorus cucumeris) are briefly analyzed. Color photos are included. (CIAT)


Galvez, GFranco, T.Mora, BRojas, M[Mustia hilachosa del frijol y su control]Mustia hilachosa del frijol y su control

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