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頁籤選單縮合
題名 | A New Method for Isolating and Selecting Agents with High Antagonistic Ability Against Plant Parasitic Nematodes=分離有效植物寄生性線蟲拮抗微生物之新方法 |
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作者 | 蔡東纂; 陳珮臻; 吳文希; | 書刊名 | 植物病理學會刊 |
卷期 | 15:1 民95.03 |
頁次 | 頁9-16 |
分類號 | 433.3 |
關鍵詞 | 拮抗菌; 平板灑佈誘釣法; 誘釣包; 新型膠帶誘釣法; 線蟲捕捉性真菌; 線蟲寄生性細菌; 放線菌; 獵食性線蟲; 捕植蟎; Antagonists; Arthrobotrys sp.; Baiting methods; Biological control; Dactylaria sp.; Dactylella sp.; Mononchus sp.; Pasteuria penetrans; Plant parasitic nematodes; Streptomyces saraceticus; |
語文 | 英文(English) |
英文摘要 | The conventional baiting, sprinkled plate method, modified baiting bags and a novel baiting tape method were compared for their efficacies of recovering different antagonists including fungi, bacteria, nematodes and mites. The baiting bag method had the highest isolation rates of nematode-trapping fungi and nematode parasitic bacterium Pasteuria penetrans, and was the only method capable of recovering predatory nematodes and mites. The novel baiting tape method had the lowest isolation rates of all the antagonists except actinomycetes. However, Arthrobotrys sp., Dactylaria sp.and Dactylella sp. Baited by the baiting tape method had the best nematode-trapping activity and Streptomyces saraceticus, the highest chitinolytic activity in the in vitro assays. Isolates of the three nematode trapping fungi and S. saraceticus with the best antagonistic activities in vitro, along with Pasteuria penetrans and a predatory nematode Mononchus sp. Were tested in the greenhouse experiments. All of these antagonists, except Monochus sp., greatly reduced the number of J□ root-knot nematodes in soil and the egg masses on roots. P. penetrans and S. saraceticus had better controlling ability than the three nematode trapping fungi. The new baiting method has the ability to baite and select antagonists with high biocontrol efficacy. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。