Occurrence of Fusarium oxysporum f.sp.melonis Race 1 in Japan
スポンサーリンク
概要
- 論文の詳細を見る
In 1994, Fusarium wilt of melon cultivars which are resistant to races 0 and 2 of Fusarium oxysporum f.sp.melonis was observed in southern area of the Lake Biwa region, Shiga prefecture.In commercial fields, mature plants of cv.Amus which were grafted onto cv.Enken Daigi 2, and of cv.FR Amus showed yellowing, wilting and finally death before harvesting of fruits.Diseased Plants had vascular and root discolorations, and their stem sections yielded typical colonies of F.oxysporum.When the Shiga strains were tested for their pathogenicity to 12 species of cucurbits, they caused wilts only on melon.Using race differential cultivars of melon, the Shiga strains were classified as race 1 of F.oxysporum f.sp.melonis, which has not been reported in Japan.To further characterize their pathogenicity, the strains were used to inoculate 46 additional cultivars of melon, oriental melon and oriental pickling melon.All the race 1 strains were pathogenic to the cultivars tested, and their host range was apparently different from those of strains belonging to other races(races 0, 2 and 1, 2y).DNA fingerprinting with a repetitive DNA sequence, FOLR3, differentiated race 1 strains from strains of races 0 and 2, but not from race 1, 2y strains.
- 2000-02-25
著者
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Hirabayashi Tetsuo
The Japan Horti. Product. Insti.
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Tsuge T
Nagoya Univ. Nagoya Jpn
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Tsuge Takashi
Graduate School Of Bioagricultural Sciences Nagoya University
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Satoh Kyoko
Nihon Horticultural Production Institute
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Nishi Kazufumi
Kyushu National Agricultural Experiment Station
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NAMIKI Fumio
Kyushu National Agricultural Experiment Station
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SHIMIZU Kanji
Shiga Prefectural Agricultural Experiment Station
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HIRABAYASHI Tetsuo
Nihon Horticultural Production Institute
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KAYAMURA Tsuruo
Kumamoto Prefectural Agricultural Research Center
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Namiki F
Kyushu National Agricultural Experiment Station Kumamoto Jpn
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