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The International Bean Rust Nursery (IBRN) is in charge of testing promising Phaseolus vulgaris cv. and lines for their resistacne to rust (Uromyces phaseoli). In 1975-76 132 bean lines were tested, among which there were 28 potential rust-race differentials. In 1977-78, 26 trials were planted wi...


International Center for Tropical Agriculture[International bean rust nursery: results 1977-1978]International bean rust nursery: results 1977-1978

Bean rust (Uromyces phaseoli), a common disease with worldwide distribution, is considered one of the most important bean production problems in the tropics. Prolonged periods of moisture and moderate temp. (17-27 degrees C) favor disease development. The infection process begins when a urediospo...

La roya del frijol (Uromyces phaseoli) es una enfermedad a nivel mundial considerada como uno de los problemas mas importantes de la produccion de frijol en el tropico. Periodos prolongados de humedad y temp. moderadas (17-27 grados C) favorecen el desarrollo de la enfermedad. El proceso de infec...


Stavely, J.R.Pastor Corrales, Marcial A.[Rust]Rust

One necrosis-inducing strain and four mosaic-inducing strains of bean common mosaic virus (BCMV) were differentially seed-transmitted in 14 mosaic-susceptible bean (Phaseolus vulgaris) cultivars. Dubbele Witte, Redlands Greenleaf B, Michelite, Sanilac, and Red Mexican 35 consistently transmitted ...


Morales, Francisco JoséCastaño, M.[Seed transmission characteristics of selected bean common mosaic virus strains in differential bean cultivars]Seed transmission characteristics of selected bean common mosaic virus strains in differential bean cultivars

Preliminary results are given of studies on the inheritance of resistance in 454 bean cv. to Pseudomonas syringae pv. phaseolicola strain 3 and its relationships with other kinds of resistance, evaluated in a collaborative project between National Vegetable Research Station (England) and CIAT. (C...


Davis, J.Taylor, J.Teverson, D.[Inheritance studies on resistance to halo blight]Inheritance studies on resistance to halo blight

A survey of Pseudomonas syringae race 2 in bean crops was conducted to determine its distribution in eastern Antioquia, Colombia. Race 2 currently predominates in the bean-growing area of this region as well as in other parts of Colombia. Crops are monitored to restrict the dissemination of P. sy...


Tamayo Molano, Pablo J.Pastor Corrales, Marcial A.[Predomina la raza 2 del patogeno del anublo de halo en cultivos de frijol del Oriente Antioqueno]Predomina la raza 2 del patogeno del anublo de halo en cultivos de frijol del Oriente Antioqueno

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