Marigold Leaf Spot Caused by Alternaria tagetica New to Japan

被引:13
|
作者
Keisuke TOMIOKA
Toyozo SATO
Hiroki KOGANEZAWA
机构
[1] Shikoku National Agricultural Experiment Station,
[2] Zentsuji 765–8508,undefined
[3] Japan,undefined
[4] National Institute of Agrobiological Resources,undefined
[5] Tsukuba 305–8602,undefined
[6] Japan,undefined
[7] Chugoku National Agricultural Experiment Station,undefined
[8] Fukuyama 721–8514,undefined
[9] Japan,undefined
关键词
Key words : Alternaria tagetica, leaf spot, marigold, Tagetes erecta, T. patula, identification.;
D O I
10.1007/PL00012967
中图分类号
学科分类号
摘要
In October 1998, a disease causing mainly foliar necrotic lesions was found on African marigold (Tagetes erecta) and French marigold (T. patula) grown in Miyagi Prefecture, Japan. Similar lesions also developed on stems and flowers, resulting in early blight of the affected organs. Plants with numerous lesions withered rapidly. A mitosporic fungus isolated repeatedly from the diseased plants was identified as Alternaria tagetica and demonstrated to cause the disease. The disease, as well as the fungus, is new to Japan. We propose the name “hanten-byô”, which means leaf spot in Japanese, for this disease.
引用
收藏
页码:294 / 298
页数:4
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