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頁籤選單縮合
題 名 | 兩種闊葉樹菌根之研究=Studies on the Mycorrhizae of Two Broad Leaf Species |
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作 者 | 顏江河; 唐盛林; | 書刊名 | 林業研究季刊 |
卷 期 | 22:2 2000.06[民89.06] |
頁 次 | 頁37-43 |
分類號 | 373.93 |
關鍵詞 | 菌根; 殼斗科; 樟科; Mycorrhizae; Fagaceae; Lauraceae; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究利用野外調查殼斗科與科的菌根型態及菌根接種後苗木生長的兩種方式探應闊葉樹育苗體中菌根所扮演的角巴。自野外分離出殼斗科的外生菌根菌cortinarius sacchariolens Quel.,以及樟科的內生菌根菌Glomus etunicatum Becker & Gerdemann菌種,可經人工大量繁殖供做菌根接種源。此二菌種以及分離自臺灣二葉松的Pisolithus tinctorius (Pers.) Coker & Couch分別用來測試菌根托種效益,結果顯示青剛櫟接種C. sacchariolens以及樟樹接種G. etnuicatum對苗木生長具有顯著效益,但青剛櫟接種P. tinctorius菌種則幾乎無菌根效益。菌根接種雖然不會增加苗木植體內氮濃度,但顯著佔進磷養分吸收,非接種菌根?木植體內養分的不足,可能是櫟木生長遲緩的主因。本試驗證實菌根不但對菌木的生長具有絕對性的影響,選擇適宜菌種更是重要。 |
英文摘要 | In this study, both investigation of the mycorrhizal status on Fagaceae and Lauraceae in the field and the mycorrhizal effect after seedlings inclulated with different mycorrihizal fungi in green house were carried out to ascertain the mycorrhizal role in broad leaf nursery system in Taiwan. there were two mycorrhizal fungi isolated form field, one is ectomyorrhizal fungus, Cortinarius saccharilens Quel. From Fagacease, the other is VA-mycorrhizal fugus, Glomus etunicatum Becker & Gerdemann from Lauracease, could be mass production with artificial medium. These two manmade inocula together with Pisolithus tinctorius (Pers.) Coker & Couch, isolated from Taiwan red pine, were used to test the mycorrhizal effects on seedlings growth. Results obtained form inoculated experiments showed that Ring-cupped Oak (cyclobalanopsis glauca (Thunb.) Oerst) with C. sachariolens and Camphor tree (Cinnamiomum camphora Linn.) with G. etunicatum had better performance than those non-mycorrhizal seedlings almost had no mycorrhizal effects. Tissue nutrition analysis indicated that mycorrhizal inoculated didn’t increased N concentration, but P concentration was increased obviously. Poor P uptake seems to be the factor that cause non-mycorrhizal seedlings stunted. The results from this study demonstrate that mycorrhizae had an absolute effect on the seedling growth, and it is more important to select an approapriate mycorrhizal fungus. |
本系統中英文摘要資訊取自各篇刊載內容。