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More than 60 accessions of tepary bean (Phaseolus acutifolius) and five cultivars of common bean (P. vulgaris) were evaluated for disease reactions to different races of wilt-causing Fusarium (F. oxysporum f. sp. phaseoli) under glasshouse conditions; 95% of the tepary accessions were resistant. ...


Salgado, MOSchwartz, Howard F.Brick, Mark A.Pastor Corrales, Marcial A.[Resistance to Fusarium oxysporum f. sp. phaseoli in tepary beans (Phaseolus acutifolius)]Resistance to Fusarium oxysporum f. sp. phaseoli in tepary beans (Phaseolus acutifolius)

Schwartz, Howard F.Otto, KViteri, DMDebouck, Daniel G.Singh, Shree P.[Response of six wild Phaseolus Costaricensis accessions to seven bacterial, fungal, and viral diseases of common bean]Response of six wild Phaseolus Costaricensis accessions to seven bacterial, fungal, and viral diseases of common bean

Results of the research on beans carried out by the Dept. of Plant Pathology and Weed Science of Colorado State U. (USA) are briefly summarized. Surveys in the spring of 1984 and 1985 found many wild beans infected with, and/or colonized by, populations of Pseudomonas syringae pv. phaseolicola an...


Legard, D.E.Schwartz, Howard F.Garrett, K.A.[Pseudomonad bacterial epiphyte studies in Colorado]Pseudomonad bacterial epiphyte studies in Colorado

High incidence of Uromyces phaseoli and Pseudomonas syringae pv. phaseolicola was reported in Pinto and Great Northern bean fields in SW Nebraska and NE Colorado (USA) in 1981. Pinto beans showed other symptoms that, after isolation and tests, were found to be caused by P. syringae pv. syringae. ...


Steadman, James R.Schwartz, Howard F.[Rust and halo blight epidemics, and the first report of bacterial brown spot in western Nebraska and eastern Colorado]Rust and halo blight epidemics, and the first report of bacterial brown spot in western Nebraska and eastern Colorado

A description is given of the format of the International Bean Rust Nursery (IBRN) established during a 1974 workshop of research workers from various countries. The objectives of the IBRN are to (a) identify cv. and breeding lines resistant to a wide spectrum of the pathogenic potential inherent...


Schwartz, Howard F.[The International Bean Rust Nursery format]The International Bean Rust Nursery format

Bronzing was observed in many of the bean trials conducted at Fort Collins (Colorado, USA) during 1982 to study the influence of water and shading stress on photosynthesis and protein content of 3 dry bean var., Roza, Pinto U.I. 111, and Olathe. Bronzing symptoms appeared during the late flowerin...


Schwartz, Howard F.Ballarin, M.Riggle, R.L.[Shade, irrigation and variety effects upon bronzing responses of dry beans in Colorado]Shade, irrigation and variety effects upon bronzing responses of dry beans in Colorado
Ospina O., Héctor FabioSchwartz, Howard F.Correa Victoria, Fernando J.Guzmán V, P.Flor Montoya, Carlos A.[Guía de estudio para ser usada como complemento de la unidad audiotutorial sobre el mismo tema][La roya del fríjol y su control]La roya del fríjol y su control
Schwartz, Howard F.Pastor Corrales, Marcial A.Valencia G., C.A.Bejarano, L[El moho blanco del frijol y su manejo [conjunto audiotutorial]]El moho blanco del frijol y su manejo [conjunto audiotutorial]

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