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Conidiomatal development ofPestalotiopsis guepinii andP. neglecta on leaves ofGardenia jasminoides
Authors:Kyoko Watanabe  Yoji Doi  Takao Kobayashi
Affiliation:(1) Faculty of Agriculture, Tamagawa University, 6-1-1, Tamagawa-gakuen, Machida, Tokyo, 194-8610, Japan;(2) Faculty of Agriculture, Tokyo University, 1-1-1, Yayoi, Bunkyo, 113-0032 Tokyo, Japan;(3) Tokyo University of Agriculture, 1-1-1, Sakuragaoka, Setagaya, 156-0054 Tokyo, Japan
Abstract:This study has clarified the conidiomatal development ofPestalotiopsis guepinii andP. neglecta on leaves ofGardenia jasminoides. Acervuli ofP. guepinii andP. neglecta developed in a similar manner, in two stages. In the first stage, cells aggregated, the central cell of the aggregates gradually disappeared, and the cells of inner layer produced numerous conidia. This conidioma was pycnidium-like in appearance, and in some cases ceased development at this stage. In the second stage, the upper layer of the pycnidium-like structure broke open, forming an acervular conidioma.
Keywords:acervulus development  intermediate structure   Pestalotiopsis guepinii    Pestalotiopsis neglecta
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