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  • 1
    Electronic Resource
    Electronic Resource
    Survival Mechanisms of Phytopathogenic Bacteria (1974)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Phytopathology 12 (1974), S. 199-221 
    Details
    ISSN: 0066-4286
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.py.12.090174.001215
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  • 2
    Electronic Resource
    Electronic Resource
    Confirmation of QTL Associated with Common Bacterial Blight Resistance in Four Different Genetic Backgrounds in Common Bean (1999)
    Springer
    Crop science 39 (1999), S. 1448-1455 
    Details
    ISSN: 1435-0653
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Xanthomonas campetris pv. phaseoli (Smith) Dye (Xep ) is a major problem in bean (Phaseolus vulgaris L.) producing areas worldwide. Using 128 recombinant inbred (RI) lines derived from the common bean cross BAC 6 × HT 7719, RAPD marker locus-QTL associations were previously described for resistance to two Xcp strains, EK-11 and Epif-IV. The objective of this research was to test these candidate marker locus-QTL associations in three previously untested genetic populations. In addition, RAPD marker locus-QTL associations were also investigated for resistance to a third Xcp strain, DR-7, in the first trifoliolate leaves in the original BAC 6 × HT 7719 population. The three genomic regions most significantly associated with CBB resistance in the original BAC 6 × HT 7719 population were significantly associated with CBB resistance in at least two of the three additional populations. The unmapped marker, BC409.1250, was significantly associated with CBB resistance in all four populations and all three Xcp strains, suggesting that this marker might be tightly linked to genes for CBB resistance. The RAPD marker BC409.1250 was converted into a marker that is a robust and reliable PCR-based marker. Since similar genomic regions were found for resistance to three different Xcp strains, these QTL may be useful for breeding cultivars with a broad range of resistance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/
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  • 3
    Electronic Resource
    Electronic Resource
    Improving efficiency of breeding for higher crop yield (1993)
    Springer
    Theoretical and applied genetics 86 (1993), S. 27-40 
    Details
    ISSN: 1432-2242
    Keywords: Yield physiology ; Photoperiod/temperature ; Partitioning ; Harvest index ; Maturity ; Culivar adaptation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Exclusive selection for yield raises, the harvest index of self-pollinated crops with little or no gain in total bipmass. In addition to selection for yield, it is suggested that efficient breeding for higher yield requires simultaneous selection for yield's three major, genetically controlled physiological components. The following are needed: (1) a superior rate of biomass accumulation. (2) a superior rate of actual yield accumulation in order to acquire a high harvest index, and (3) a time to harvest maturity that is neither shorter nor longer than the duration of the growing season. That duration is provided by the environment, which is the fourth major determinant of yield. Simultaneous selection is required because genetically established interconnections among the three major physiological components cause: (a) a correlation between the harvest index and days to maturity that is usually negative; (b) a correlation between the harvest index and total biomass that is often negative, and (c) a correlation between biomass and days to maturity that is usually positive. All three physiological components and the correlations among them can be quantified by yield system analysis (YSA) of yield trials. An additive main effects and multiplicative interaction (AMMI) statistical analysis can separate and quantify the genotype × environment interaction (G × E) effect on yield and on each physiological component that is caused by each genotype and by the different environment of each yield trial. The use of yield trials to select parents which have the highest rates of accumulation of both biomass and yield, in addition to selecting for the G × E that is specifically adapted to the site can accelerate advance toward the highest potential yield at each geographical site. Higher yield for many sites will raise average regional yield. Higher yield for multiple regions and continents will raise average yield on a world-wide basis. Genetic and physiological bases for lack of indirect selection for biomass from exclusive selection for yield are explained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00223805
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  • 4
    Electronic Resource
    Electronic Resource
    The inheritance and association of resistance to rust, common bacterial blight, plant habit and foliar abnormalities in Phaseolus vulgaris L. (1986)
    Springer
    Euphytica 35 (1986), S. 969-982 
    Details
    ISSN: 1573-5060
    Keywords: Phaseolus vulgaris ; common bean ; Uromyces phaseoli ; Uromyces appendiculatus var. appendiculatus ; rust ; Xanthomonas campestris pv. phaseoli ; common bacterial blight ; pathogen interactions ; epistasis ; specific resistance ; hypersensitive reaction ; stable resistance ; linkage ; seed coat color ; leaf variegation ; plant cripples ; indeterminate ; determinate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary No antagonistic or synergistic interaction was found between isolates of Uromyces appendiculatus var. appendiculatus and Xanthomonas campestris pv. phaseoli when inoculated to the same plant. A single dominant gene was suggested to control resistance to three isolates of rust in the crosses ‘Pompadour Checa’ × ‘Chichara’ and ‘Pompadour Checa’ × NE W-4. A two-gene model was confirmed for the reaction to the three rust isolates for the crosses ‘Pompadour Checa’ × ‘GN Tara’ and ‘Pompadour Checa’ × ‘San Cristobal’; a dominant (Ur p) gene determined resistance and was epistastic to a dominant gene (Ur t) for susceptibility. (Ur t) was expressed only in the presence of recessive (ur p) alleles. The reaction to common bacterial blight was quantitatively inherited and an association was detected with plant habit but not with rust reaction and leaf variegation. Plants with leaf variegation and crippled growth, were detected in the progeny of the cross ‘Pompadour Checa’ × ‘GN Tara’ and were controlled by duplicate recessive genes (mutatorunstable genes) and three genes, acting additively, respectively. The developmental expression of the latter trait varied considerably. Linkage was detected between genes controlling the variegated and the crippling traits.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00028607
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  • 5
    Electronic Resource
    Electronic Resource
    Effect of photoperiod and temperature on common blight disease of common beans (Phaseolus vulgaris L.) (1992)
    Springer
    Euphytica 66 (1992), S. 211-216 
    Details
    ISSN: 1573-5060
    Keywords: Phaseolus vulgaris ; common bean ; Xanthomonas campestris pv. phaseoli ; germplasm ; common blight disease ; photoperiod ; temperature
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Although common blight disease is serious in many dry bean production areas, there is only limited information on the influence of photoperiod on the disease. Experiments were conducted in growth chambers and in the field (Nebraska, Dominican Republic, Puerto Rico) to investigate the influence of photoperiod × temperature and photoperiod, respectively, on the reaction of cultivars/lines to the causal bacterium Xanthomonas campestris pv. phaseoli. A split-plot design was used in all experiments except in the DR experiment where cultivars/lines were replicated within each photoperiod treatment. The disease reactions were more severe on cultivars/lines under short photoperiod and under higher temperature than under longer photoperiod and lower temperature in the growth chamber. Disease reactions were also more severe under the short photoperiod in the field experiments. No interactions were detected among these factors. These results have important implications for plant breeders in the evaluation of common blight disease reactions in different latitudes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00025305
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  • 6
    Electronic Resource
    Electronic Resource
    Breeding and genetic studies of tolerance to several bean (Phaseolus vulgaris L.) bacterial pathogens (1974)
    Springer
    Euphytica 23 (1974), S. 651-656 
    Details
    ISSN: 1573-5060
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary A breeding and genetic program to develop Phaseolus vulgaris bean varieties tolerant to the bacterial pathogens Pseudomonas phaseolicola, Xanthomonas phaseoli and Corynebacterium flaccumfaciens was conducted from 1962 to the present tme. The research progress is reported. Great Northern (GN) Nebraska #1, sel. 27 and PI 150414 dry bean lines were highly tolerant to races 1 and 2 of the halo blight bacterium (P. phaseolicola). The tolerant inoculated leaf, pod, and non-systemic chlorosis reactions to this bacterium were each controlled by different major genes. Coupling linkage was detected between genes controlling the leaf and systemic chlorosis reactions. GN Nebraska #1, sel. 27 and PI 207262 were tolerant to isolates (USA) of X. phaseoli, causal pathogen of common blight disease. Reaction to this bacterium was inherited quantitatively. Narrow sense heritability estimates of the disease reaction were low. Genes controlling late maturity and tolerant reaction were found to be linked in crosses with GN Nebraska #1, sel. 27 but linkage was not apparent in one cross with PI 207262. A different reaction of pod and foliage was observed in some bean lines. Susceptibility increased with the onset of plant maturity. PI 165078 was tolerant to C. flaccumfaciens and the disease reaction was simply inherited. The dry bean varieties ‘GN Tara’ and ‘GN Jules’, tolerant X. phaseoli, and ‘GN Emerson’ tolerant to C. flaccumfaciens and X. phaseoli were released in recent years. Breeding approaches to develop bean varieties tolerant to these bacterial pathogens is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00022486
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  • 7
    Electronic Resource
    Electronic Resource
    Genetic variation in bean bacterial pathogens (1975)
    Springer
    Euphytica 24 (1975), S. 143-147 
    Details
    ISSN: 1573-5060
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary In this review, genetic variation has been reported in bacterial pathogens of Phaseolus vulgaris L., Xanthomonas phaseoli, Pseudomonas phaseolicola, corynebacterium flaccumfaciens, and Pseudomonas syringae based on degrees of virulence and cultural characteristics. P. phaseolicola, which was reported as consisting of 2 races, was found to comprise numerous strains. A correlation between appearance on special culture medium and virulence was reported for strains of X. phaseoli. Occurrence of the bacterial pathogens complicates control through breeding and maintaining resistant cultivars.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00147178
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  • 8
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    Component Interaction in Relation to Heterosis for Plant Height in Phaseolus vulgaris L. Variety Crosses 1 (1965)
    Wiley
    Details
    Publication Date: 1965-01-01
    Print ISSN: 0011-183X
    Electronic ISSN: 1435-0653
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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  • 9
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    Mapping QTL for Bacterial Brown Spot Resistance under Natural Infection in Field and Seedling Stem Inoculation in Growth Chamber in Common Bean (2003)
    Wiley
    Details
    Publication Date: 2003-01-01
    Print ISSN: 0011-183X
    Electronic ISSN: 1435-0653
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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  • 10
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    Development of a Coupling-Phase SCAR Marker Linked to the Ur-7 Rust Resistance Gene and Its Occurrence in Diverse Common Bean Lines (2008)
    Wiley
    Details
    Publication Date: 2008-01-01
    Print ISSN: 0011-183X
    Electronic ISSN: 1435-0653
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Wiley
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