Makale 1990-1999 yılları

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Occurrence of races of fusarium oxysporum f. sp. melonis causing wilt on melon in central Anatolia
(Türkiye Fitopatoloji Derneği, 1999) Erzurum, Kudret; Kantoğlu, K. Yaprak; Seçer, Emine; Yanmaz, Ruhsar; Maden, Salih; TAEK-ANTHAM
Root samples from 504 plants in 105 fields from the most widely melon growing provinces of Ankara, Çankırı, Kırıkkale, Konya and Yozgat of Central Anatolia were collected and isolations were made on PDA having 50 µg/ml streptomycin. The obtained 226 Fusarium oxysporum isolates were tested for their pathogenicity by root dip inoculation on the cultivar Charentais T under controlled environment. The pathogenic 89 isolates were inoculated on the differential cultivars of Charentais T, Charentais Fom 1, Charentais Fom 2 and the races of Fusarium oxysporum f.sp. melonis were evaluated by reactions of the differential cultivars after 30 days from inoculation. Forty nine of the Fusarium oxysporum f.sp. melonis isolates were race 1.2, and 22, 16 and 2 were race 0, race 1 and race 2 respectively. Races of this pathogens were determined the first time in this region.