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Phytophthora Species in Taiwan and Their Host Range: A Review
Fig. 1.　Morphology of <i>Phytophthora</i> species. (A–C) Papillate, semi-papillate, and non-papillate sporangia (respectively from <i>P. palmivora</i>, <i>P. bishii</i> and <i>P. nagaii</i>). (D, E) oogonia with amphigynous and paragynous antheridia, respectively from <i>P. nicotianae</i> and <i>P. bishii</i>. (F) ornamented structure (from <i>P. castania</i>). (G) chlamydospores (from <i>P. nicotianae</i>). (H) hyphal swellings (from <i>P. multivesiculata</i>). (I) inner proliferation of sporangium (from <i>P. melonis</i>), and (J) deciduous sporangia with a long pedicel (from <i>P. capsici</i>). Black and white bars indicate 20 and 10 μm, respectively.
Fig. 1.　Morphology of Phytophthora species. (A–C) Papillate, semi-papillate, and non-papillate sporangia (respectively from P. palmivora, P. bishii and P. nagaii). (D, E) oogonia with amphigynous and paragynous antheridia, respectively from P. nicotianae and P. bishii. (F) ornamented structure (from P. castania). (G) chlamydospores (from P. nicotianae). (H) hyphal swellings (from P. multivesiculata). (I) inner proliferation of sporangium (from P. melonis), and (J) deciduous sporangia with a long pedicel (from P. capsici). Black and white bars indicate 20 and 10 μm, respectively.

Author:Jin-Hsing Huang, Chu-Ping Lin, Chiao-Wen Huang, Jyh-Nong Tsai, and Pao-Jen Ann

Abstract:

Phytophthora, a genus of Oomycetes, is notorious due to its impact on agriculture worldwide. Since Phytophthora infestans de Bary was named in 1876, about 200 species of Phytophthora have been identified and published worldwide. So far, about 40 species of Phytophthora have been reported in Taiwan, including P. amaranthi、P. attenuate、P. bishii (= P. bisheria)、P. boehmeriae、P. cactorum、P. cambivora、P. capensis、P. capsici、P. castaneae (= P. katsurae)、P. chlamydospora、P. cinnamomi、P. citricola、P. citrophthora、P. colocasiae、P. cryptogea、P. cyperi、P. drechsleri、P. flexuosa、P. formosa、P. heveae、P. humicola、P. infestans、P. insolita、P. intricata、P. lateralis、P. leersiae、P. lepironae、P. litchii (= Peronophythora litchii)、P. macrospora、P. meadii、P. melonis、P. multivesiculata、P. nagaii、P. nicotianae (= P. parasitica)、P. niederhauserii、P. palmivora、P. parvispora、P. plurivora、P. tropicalis, and P. vignae. This article provides a comprehensive review of these species, focusing on their host ranges, publication dates, and related literature, in the hopes of serving as resources for further research. As taxonomic rules for hybrid species are not yet formalized, Phytophthora hybrids identified in Taiwan are not included in the discussion.

Key words:Phytophthora, Plant diseases, Host

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Taiwan Agricultural Research
Vol. 73, No.1 (2024) ISSN: 2790-086X Vol. 73, No.1 (2024)
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