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Genetic Diversity in California and Florida Populations of the Pitch Canker Fungus<i>Fusarium subglutinans</i>f. sp.<i>pini</i>
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1992
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EngineeringGeneticsFusarium SubglutinansPlant PathologyTree DiseaseGenetic DiversityDesignation F.Fungal DiversityMolecular EcologyFungal BiologyFlorida PopulationsMitochondrial DnaBiodiversityGenetic VariationPopulation GeneticsFungal PathogenBiologyMicrobiologyFungal SystematicsMedicine
Isolates of Fusarium subglutinans that are pathogenic to pines, recently given the designation F. subglutinans f. sp. pini, were collected from slash and loblolly pines in Florida (116 isolates) and from various pine hosts (Monterey, bishop, aleppo, and Canary Island pine) in California (209 isolates). These isolates were characterized by vegetative compatibility, using nitrate nonutilizing mutants, and by mitochondrial DNA (mtDNA) restriction fragment length polymorghisms (RFLPs)