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題名 | Pinus sylvestris Can Form Ectomycorrhiza with Phialocephala fortinii=歐洲赤松(Pinus sylvestris)能與Phialocephala fortinii形成外生菌根 |
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作者 | 奧特根蘇仁布倫; 李明仁; | 書刊名 | 臺灣林業科學 |
卷期 | 27:3 2012.09[民101.09] |
頁次 | 頁265-281 |
分類號 | 379.1 |
關鍵詞 | 外生菌根; 哈替氏網; 生長; 礦物質; Phialocephala fortinii; Pinus sylvestris; Ectomycorrhiza; Hartig net; Growth; Minerals; |
語文 | 英文(English) |
中文摘要 | 本研究探討在蒙古森林中與歐洲赤松(Pinus sylvestris, Scots pine)組合的外生菌根菌社會。自歐洲赤松根部分離的菌株經鑑定為Phialocephala fortinii。接種試驗顯示Phi. fortinii可以和歐洲赤松苗木形成外生菌根。在歐洲赤松苗木根部可以觀察到哈替氏網、外生菌絲、及菌毯等外生菌根的構造。本研究並描述真菌和宿主植物組合的形態與微細構造,及Phi. fortinii菌落在MEA、MMN、及PDA培養基上發育的特徵。接種Phi. fortinii顯著增進歐洲赤松苗木的生長、生物量累積、及松苗根、莖、及葉中磷、鉀、鈣、鎂、鈉、及氮的濃度。這些結果證實Phi. fortinii可以有效地與歐洲赤松苗木形成外生菌根,並可能經由增進養分的獲得而促進松苗的生長。 |
英文摘要 | The ectomycorrhizal fungal community associated with Pinus sylvestris (Scots pine) in a Mongolian forest was investigated in this study. The fungal strain was isolated from roots of Scots pine and identified as Phialocephala fortinii. Inoculation experiments showed that Phi. fortinii could form ectomycorrhizae with Scots pine seedlings. Hartig nets, external hyphae, and mantle structures of ectomycorrhizae were observed in pine seedlings roots. The morphology and ultra-structure of the fungal-host plant association and characteristics of Phi. fortinii colonies developed on MEA, MMN, and PDA media are described. Phialocephala fortinii inoculation significantly increased the growth, biomass accumulation, and P, K, Ca, Mg, Na, and N concentrations in roots, stems, and needles of pine seedlings. These results demonstrated that Phi. fortinii could effectively form ectomycorrhizae with Scots pine and improve its growth, presumably through enhanced nutrition acquisition. |
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