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Variation among isolates of Phoma medicaginis var. medicaginis in spore production in vitro and symptom expression on excised leaves of alfalfa.

1990-09-01

Abstract excerpt

Excised trifoliolate leaves from a susceptible alfalfa (Medicago sativa) genotype were inoculated in vitro with 34 isolates of Phoma medicaginis var. medicaginis. Pathogenicity and virulence of isolates were assessed by their ability to produce leaf spot, petiole blight, and leaf chlorosis. Significant differences (P = 0.05) in the ability of isolates to produce symptom types were observed. There was a significant...

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Literature Corpus work
efc13ddc-44f9-518b-b47f-9a95847d412e
DOI
10.1094/pd-74-0668
Open publication

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