Brown spot of Indian mulberry (Morinda citrifolia L.) caused by Alternaria alternata.

  • TABA S.
    Faculty of Agriculture, University of the Ryukyus
  • UEMURA D.
    Faculty of Agriculture, University of the Ryukyus
  • NASU K.
    Miyako Agriculture, Forestry and Fisheries Development and Promotion Center
  • TAKUSHI T.
    Okinawa Prefectural Agricultural Research Center
  • MOROMIZATO Z.
    Faculty of Agriculture, University of the Ryukyus

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Other Title
  • Alternaria alternata (Fries) Keissler によるヤエヤマアオキ褐斑病(新称)
  • 病害短信 Alternaria alternata (Fries) Keisslerによるヤエヤマアオキ褐斑病(新称)
  • ビョウガイ タンシン Alternaria alternata Fries Keissler ニ ヨル ヤエヤマアオキ カッパンビョウ シンショウ

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Abstract

Leaf spots and brown mottled fruit were recorded on Indian mulberry (M. citrifolia L.; Rubiaceae) in Okinawa, Japan during 2007. An Alternaria species was isolated from the diseased leaves and fruits, and typical symptoms were reproduced after inoculation of wounded or intact leaves. The causal agent was identified as Alternaria alternata (Fr.) Keissler based on morphological characters and growth temperature. This report is the first of Alternaria spot of Indian mulberry caused by A. alternata.<br>

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