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Viruses causing severe mosaic, epinasty, defoliation, and premature death of Passiflora spp. were isolated from west central Colombia. Western blot analyses indicated the presence of potyviruses. Two Colombian isolates (COL-22 and -GR) were compared to known potyviruses as to host range, symptoma...


Benscher, DPappu, SSNiblett, CLVaron de Agudelo, F.Morales, Francisco JoséHodson de Jaramillo, EÁlvarez, E.Acosta, O.[A strain of soybean mosaic virus infecting Passiflora spp. in Colombia]A strain of soybean mosaic virus infecting Passiflora spp. in Colombia

The number and weight of seeds produced per plant were significantly (P = 0.01) reduced, 47.5 and 56.3%, respectively, in Diacol-Calima bean (Phaseolus vulgaris) plants infected with bean southern mosaic virus (BSMV). The number of pods per plant, on the contrary, was often higher in systemically...


Morales, Francisco JoséCastaño, M.[Effect of a Colombian isolate of bean southern mosaic virus on selected yield components of Phaseolus vulgaris]Effect of a Colombian isolate of bean southern mosaic virus on selected yield components of Phaseolus vulgaris

The inheritance of the ability of Sogatodes oryzicola to support replication of the rice hoja blanca virus (RHBV) was studied by following the segregation of progeny of crosses between insects of known pedigree and known ability to support virus replication and transmission. Virus transmission to...


Zeigler, Robert S.Morales, Francisco José[Genetic determination of replication of rice hoja blanca virus within its planthopper vector, Sogatodes oryzicola]Genetic determination of replication of rice hoja blanca virus within its planthopper vector, Sogatodes oryzicola

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

Bean germplasm was evaluated at CIAT for resistance to BCMV strains NL-4, NL-3, and NL-5 in order to use them in the national breeding and selection programs in Africa, Europe, USA, and Chile. Ninety-eight lines were selected for an international Bean Common Mosaic/Black Root resistance nursery. ...


Davis, J.H.C.Morales, Francisco JoséCastaño, M.[Resistance to black root]Resistance to black root

The molecular characterization of bean-infecting geminivirus is provided to determine their relationship with each other and to other whitefly-transmitted geminiviruses. A report is presented on the cloning of the entire tripartite genomes of bean-infecting geminivirus: mechanically transmissible...


Gilbertson, R.L.Faria, J.C. deHanson, S.F.Hendrastuti, E.Ahlquist, P.G.Morales, Francisco JoséMaxwell, D.P.[Relationships among bean-infecting geminiviruses]Relationships among bean-infecting geminiviruses

The genetics of resistance to bean golden mosaic virus (BGMV) was studied in an 8×8 complete diallel cross of common bean, Phaseolus vulgaris L. The 28F1 hybrids, their reciprocals, and eight parents were artificially inoculated with BGMV under glasshouse conditions. Data were recorded and analyz...


Morales, Francisco JoséSingh, Shree P.[Genetics of resistance to bean golden mosaic virus in Phaseolus vulgaris L.]Genetics of resistance to bean golden mosaic virus in Phaseolus vulgaris L.

A total of 44 bean (Phaseolus vulgaris L.) genotypes was evaluated for disease reactions to bean golden mosaic virus (BGMV) by mechanical and whitefly inoculation under glasshouse and field conditions, respectively. Most of the genotypes reacted similarly under both screening conditions, with a f...


Morales, Francisco JoséNiessen, AI[Comparative responses of selected Phaseolus vulgaris germ plasm inoculated artificially and naturally with bean golden mosaic virus]Comparative responses of selected Phaseolus vulgaris germ plasm inoculated artificially and naturally with bean golden mosaic virus
Gilbertson, R.L.Faria, J.C. deHanson, S.F.Ahlquist, P.G.Morales, Francisco JoséMaxwell, D.P.Russell, D.R.[Infection of beans (Phaseolus vulgaris) with cloned geminiviral DNA mediated by electric discharge particle acceleration]Infection of beans (Phaseolus vulgaris) with cloned geminiviral DNA mediated by electric discharge particle acceleration

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