Discovery of teliospores of a Cape jasmine rust fungus, Hemileia gardeniae-floridae (Pucciniales), and its occurrence in Thailand.

IF 1.5 4区 生物学 Q4 MYCOLOGY
Yoshitaka Ono, Izumi Okane, Jintana Unartngam, Chanjira Ayawong
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Abstract

Hemileia gardeniae-floridae is an accepted name for a Cape jasmine (Gardenia jasminoides) rust fungus distributed in East Asia. The fungus name was based on uredinial anamorph collected in Taiwan in 1931. The fungus was rarely collected in Taiwan and southern Japan, and its telial stage remained unknown. Microscopic examination of the type materials of H. gardeniae-floridae and Uredo gardeniae-floridae, which was once proposed to replace H. gardeniae-floridae, resulted in discovery of teliospores on the type of U. gardeniae-floridae. The teliospores are mostly napiform and produced on a sporogenous cell emerging through host stoma. A hemileioid rust fungus, producing both urediniospores and teliospores on Golden gardenia (G. sootepensis), was found in Thailand and morphologically identified to H. gardeniae-floridae. Another Hemileia species on Forest jasmine (G. thunbergia), H. gardeniae-thunbergiae, first found in Angola, Africa, is distinct from H. gardeniae-floridae in producing smaller urediniospores than those of H. gardeniae-floridae.

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泰国栀子锈病真菌的端孢子的发现及其在泰国的分布。
半茉莉属(Hemileia gardenae -floridae)是一种分布于东亚的栀子锈病真菌的公认名称。这种真菌的名字是根据1931年在台湾采集的尿道畸形菌命名的。这种真菌在台湾和日本南部很少被采集到,它的终末阶段也不为人所知。对曾被提出替代栀子科的栀子科和栀子科乌里多(Uredo栀子科)的类型材料进行显微镜检查,发现栀子科乌里多类型上有端孢子。端孢子大多为napiform,产生于通过寄主气孔产生的孢子细胞上。摘要在泰国发现了一种在金栀子花(G. sootepensis)上产生脲孢子和端孢子的半类锈菌,经形态学鉴定为栀子花-佛罗里达科。森林茉莉(G. thunbergia)上的另一种半茉莉种,H.栀子-thunbergiae,首次发现于非洲安哥拉,与H.栀子-floridae的区别在于产生比H. gardenae -floridae更小的脲孢子。
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来源期刊
Mycoscience
Mycoscience MYCOLOGY-
CiteScore
3.00
自引率
7.10%
发文量
32
审稿时长
3 months
期刊介绍: Mycoscience is the official English-language journal of the Mycological Society of Japan and is issued bimonthly. Mycoscience publishes original research articles and reviews on various topics related to fungi including yeasts and other organisms that have traditionally been studied by mycologists. The research areas covered by Mycoscience extend from such purely scientific fields as systematics, evolution, phylogeny, morphology, ecology, physiology, biochemistry, genetics, and molecular biology, to agricultural, medical, and industrial applications. New and improved applications of well-established mycological techniques and methods are also covered.
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