頁籤選單縮合
題 名 | Biological Control of Phytophthora Blight in Periwinkles by Burkholderia Gladioli=以Burkholderia gladioli生物防治長春花疫病 |
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作 者 | 歐陽瑋; 吳文希; | 書刊名 | 植物病理學會刊 |
卷 期 | 7:1 1998.03[民87.03] |
頁 次 | 頁27-32 |
分類號 | 433.4 |
關鍵詞 | 生物防治; 長春花疫病; Biological control; Blight; Phytophthora parasitica; Burkholderia gladioli; |
語 文 | 英文(English) |
中文摘要 | 長春花 (Catharanthus roseus (L.) G. Don) 在本省以 Phytophthora parasitica Dastur 所造成之長春花疫病最為嚴重,亦是夏季長春花產量減少之主因。由土 壤中分離出之微生物經篩選後,發現 Burkholderia gladioli 對於 P. parasitica 之生長 具有明顯之抑制作用, 並且於長春花幼苗株高、 鮮重與植株存活率之分析上, 凡添加 B. gladioli 之處理均較佳,且與只接種 P. parasitica 的對照組呈顯著 (P=0.05) 之差異。 |
英文摘要 | Periwinkle (Catharanthus roseus (L.) G. Don) blight caused by Phytophthora parasitica Dastur is a serious and wide-spreaded soil-borne disease in Taiwan. Root and stem rots were also observed frequently in humid conditions. Burkholderia gladioli was isolated and identified to be antagonistic to P. parasitica. B. gladioli could not only suppress the growth of P. parasitica in vitro, but decrease the rate of disease development in periwinkles. The hyphae of P. parasitica were collapsed by B. gladioli on the cultural medium. Plant height, fresh weight, and the percentage of periwinkle seedling survived were significantly (P=0.05) higher in those treatments applied with B. gladioli compared with the non-treated control. |
本系統中英文摘要資訊取自各篇刊載內容。