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Seeing Double With Cannabis: Heteroploid Populations In Bipolaris Gigantea, Causal Agent Of Bipolaris Leaf Spot, Desiree Szarka
Seeing Double With Cannabis: Heteroploid Populations In Bipolaris Gigantea, Causal Agent Of Bipolaris Leaf Spot, Desiree Szarka
Theses and Dissertations--Plant Pathology
Bipolaris leaf spot (BLS) disease emerged with the reintroduction of hemp as a crop in the United States following more than 60 years of prohibition. The causal agent was identified as Bipolaris gigantea (=Drechslera gigantea), a known minor pathogen of monocots which causes devastating disease on hemp. BLS has been confirmed throughout Kentucky and reported in 15 states. Morphology and growth characteristics of isolates from eight counties across Kentucky were similar with the exception of some isolates producing protoperithecial-like structures. Phylogenetic and whole genome analysis indicated that some isolates were haploid, containing a single allele at each gene …