Vegetative compatibility in populations of Fusarium oxysporum from wild carnation

Talma Katan*, Ruhama Berliner, Jaacov Katan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Wild carnation plants (Dianthus strictus) were collected from undisturbed, non-cultivated soils at four sites in Israel. Isolates of Fusarium oxysporum obtained from the roots of these plants were characterized by means of the vegetative-compatibility grouping method, using nitrate non-utilizing (nit) mutants to determine possible relationships among them and with the carnation wilt pathogen F. oxysporum f.sp. dianthi. No relatedness was evident between any of the isolates, except for five out of 26 combinations of isolates originating from the same plant. Wild populations are therefore diverse and do not constitute a distinct carnation-specific vegetative-compatibility group of F. oxysporum. None of 33 isolates originating from root tissues of wild carnation were vegetatively compatible with F. oxysporum f.sp. dianthi.

Original languageEnglish
Pages (from-to)1415-1418
Number of pages4
JournalMycological Research
Volume98
Issue number12
DOIs
StatePublished - 1994

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