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The genetics of phytotoxin production by plant pathogenic fungi

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Abstract

Little is known about the genetic control of phytotoxin production by plant pathogenic fungi. The production of host-selective toxins known to play a role in disease development has been genetically analyzed in three species ofCochliobolus. InC. heterostrophus, a single genetic locus with two alleles has been identified controlling the production of HMT-toxin. This locus appears to be at or near the breakpoint of a chromosome rearrangement. Single genetic loci have also been identified controlling the production of HC-toxin byC. carbonum and HV-toxin byC. victoriae. The locus inC. carbonum may be a cluster of tightly linked genes.

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  1. Department of Plant Pathology, Iowa State University, 50011-1020, Ames, Iowa, USA

    C. R. Bronson

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Bronson, C.R. The genetics of phytotoxin production by plant pathogenic fungi. Experientia 47, 771–776 (1991). https://doi.org/10.1007/BF01922456

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