Resistance in Lactuca spp. to Microdochium panattoniana (lettuce anthracnose)

O. Ochoa, B. Delp, Richard W Michelmore

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Four hundred and forty-nine lines of Lactuca spp. were screened for resistance to an isolate of Microdochium panattoniana. Eighty-seven lines were resistant. Forty-four lines were then screened for resistance to four isolates; twelve groups of lines were identified on the basis of their pattern of resistance. A differential set of lines was used to analyse nine further isolates; this revealed five races of M. panattoniana. Salad Bowl was the only cultivar found to be resistant to three races. A line of L. saligna, UC83US1, was the only line found to be resistant to all the isolates tested.

Original languageEnglish (US)
Pages (from-to)609-614
Number of pages6
Issue number2
StatePublished - Jan 1987


  • Index words (Lactuca spp.
  • lettuce anthracnose
  • Marssonina panattoniana
  • Microdochium panattoniana
  • resistance
  • specificity

ASJC Scopus subject areas

  • Plant Science
  • Horticulture
  • Agronomy and Crop Science


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