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A Survey of Phytophthora Species on Hainan Island of South China

文献类型： 外文期刊

作者： Zeng, Hui-Cai 2 ; Ho, Hong-Hing 1 ; Zheng, Fuy-Cong 3 ;

作者机构： 1.SUNY Albany, Dept Biol, New Paltz, NY 12561 USA

2.Chinese Acad Trop Agr Sci, Inst Biosci & Biotechnol, Haikou 571101, Hainan, Peoples R China

3.Hainan Univ, Coll Environm & Plant Protect, Danzhou City 571737, Hainan, Peoples R China

关键词： geographic distribution;species occurrence

期刊名称：JOURNAL OF PHYTOPATHOLOGY （ 影响因子：1.789； 五年影响因子：1.574 ）

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收录情况： SCI

摘要： During the period 1997-2007, a comprehensive study of the occurrence and distribution of Phytophthora species was conducted on Hainan Island of South China. To date, 14 species of Phytophthora have been recovered and their distribution determined. Phytophthora nicotianae (=P. parasitica) is the most important species attacking a wide variety of crops, followed by Phytophthora capsici and Phytophthora citrophthora. In contrast to Phytophthora colocasiae attacking taro leaves throughout the entire island, Phytophthora cyperi was found only once on Digitaria ciliaris in Danzhou. It is of interest to note that Phytophthora heveae, Phytophthora katsurae and Phytophthora insolita are commonly found in forest soil/water of protected mountains without causing any plant diseases. Although Phytophthora species are usually terrestrial or found in fresh water, one isolate of Phytophthora resembling closely the asexual isolates of P. insolita in Hainan was obtained from decaying Rhizophora leaves submerged in seawater. An unidentified Phytophthora species producing non-papillate; internally proliferating sporangia was isolated from the soil in which Ceriops tagel and Bruguiera serangula were growing in a salt water shrimp farm.

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