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題名 | Mycoplasmalike Organisms Associated with the Witches' Broom Disease of Kanehirai Azalea=烏來杜鵑簇葉病與似菌質體病原 |
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作者 | 王維洋; |
期刊 | 林業試驗所研究報告季刊 |
出版日期 | 19940900 |
卷期 | 9:3 1994.09[民83.09] |
頁次 | 頁267-270 |
分類號 | 435.412 |
語文 | eng |
關鍵詞 | 烏來杜鵑; 似菌質體; 簇葉病; Kanehirai azalea; Rhododendron Kanehirai; Mycoplasmalike organisms; Witches' broom disease; |
中文摘要 | 在林業試驗所臺北信賢苗圃發現烏來杜鵑簇葉病之新病害,罹病之烏來杜鵑表現出嚴重的簇葉狀病徵,造成部分枝條甚至全株植物枯死。電子顯微鏡觀察罹病組織超薄切片,在篩管及伴細肥中可見到似菌質體存在,似菌質體之大小約110-620nm,平均大小約220nm。苗圃中栽植於烏來杜鵑附近之觀賞用豔紫杜鵑則未出現任何簇葉狀病徵。本文是烏來杜鵑簇葉病之首次報告。 |
英文摘要 | A newly recorded witches' broom disease was observed on Kanehirai azalea (Rhododendron Kanehirai Wilson) in Shin-Shan Nursery, Taipei. Infected plants showed severe witches' broom symptom and resulted in the death of the diseased branches and sometime the whole plant. Electron microscopic examination of ultrathin sections revealed the presence of mycoplasmalike organisms (MLOs) in the sieve tubes and companion cells of infected tissues. The size of the MLOs ranged from 110-620 nm and averaged 220 nm. None of the cultivated azaleas (Rhododendron pulchrum Sweet) grown near the Kanehirai azalea showed any symptoms. This is the first report of Kanenhirai azalea witches' broom disease and its association with MLOs. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。