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タイトル: Fungal defense against mycophagy in milk caps
著者: TASKIRAWATI, Ira
TUNO, Nobuko link image link image
発行日: 2016年
出版社(者): Institute of Science and Engineering, Kanazawa University = 金沢大学
雑誌名: The Science Reports of Kanazawa University
ISSN: 2433-040X
巻: 60
開始ページ: 1
終了ページ: 10
キーワード: Lactarius
Russula
mycophagy
slug
latex
抄録: Some Basidiomycetes exude latex, but very little is known about the nature of fungal latex. In this study, we examined the nature of latex in Lactarius Pers. 1797 spp. to clarify the role on fungivorous predation. In the field, we compared the degree of predation on taxonomically closely related latex-exuding Lactarius spp. and latex-non-exuding Russula Pers. 1796 spp. (Russulaceae) at developmental stages of sporocarps. We clarified that Russula spp. suffered more infestation than did Lactarius spp. at young and mature developmental stages, whereas Lactarius spp. did only at decaying stages. We measured the amount of latex exuded varied according to developmental stage and sporocarps parts in Lactarius spp.: mature sporocarps exuded more latex than did younger ones, while decaying sporocarps exuded the least, and the same patterns were observed at sporocarps parts: the amount of latex was more intense at hymenophore and cap than at stripe. At feeding experiments, three-band garden slugs Ambigolimax valentianus F´erussac, 1822 avoided feeding on sporophores of Lactarius spp. when they exuded latex, but fed on them when they did not. Our observations suggest that fungivores generally escape higher density of the latex at feeding using signs volatized by sporophores with exuding latex.
URI: http://hdl.handle.net/2297/47066
関連URI: http://scirep.w3.kanazawa-u.ac.jp/
資料種別: Departmental Bulletin Paper
版表示: publisher
出現コレクション:60巻

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