Selfreproduction induced variability in agronomic traits for a wild Agaricus bisporus

Consequences of selfreproduction (intramictic reproduction) were studied on a wild Agaricus bisporus var. bisporus strain. Individual variations were observed on several agronomic traits, natural cap color, susceptibility to bacterial blotch, mycelial growth and yield, for each of the two studied in...

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Bibliographic Details
Published in:Mycologia 1998-09, Vol.90 (5), p.806-812
Main Authors: Moquet, F. (INRA, Villenave d'Ornan, France.), Guedes-Lafargue, M.R, Mamoun, M, Olivier, J.M
Format: Article
Language:English
Subjects:
Agaricus
AGARICUS BISPORUS
Agaricus bisporus bisporus
AGRONOMIC CHARACTERS
Agronomic traits
Bacteria
bacterial blotch
BIOLOGICAL DIFFERENCES
Breeding
color
COLOUR
Compost
CROP YIELD
DISEASE RESISTANCE
DNA
FRANCE
Genetic loci
GENETIC MARKERS
GENETIC VARIATION
Genetics/Molecular Biology
GROWTH
Growth traits
intramictic reproduction
Mushrooms
MYCELIUM
Phenotypic traits
PSEUDOMONAS
PSEUDOMONAS TOLAASII
RANDOM AMPLIFIED POLYMORPHIC DNA
RAPD
recombination
SELF COMPATIBILITY
SEXUAL REPRODUCTION
STRAIN DIFFERENCES
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Summary:Consequences of selfreproduction (intramictic reproduction) were studied on a wild Agaricus bisporus var. bisporus strain. Individual variations were observed on several agronomic traits, natural cap color, susceptibility to bacterial blotch, mycelial growth and yield, for each of the two studied intramictic generations. RAPD markers showed a high level of recombination between intramictic generations. With all traits, the same level of transgression was obtained at each generation, with the exception of mycelial growth which dramatically increased in the first generation. Bacterial blotch susceptibility decreased, reaching a threshold, therefore resistance was not reached. Variability induced by intramictic reproduction in A. bisporus could be integrated favorably in breeding programs.
ISSN:0027-5514
1557-2536
DOI:10.1080/00275514.1998.12026974