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頁籤選單縮合
題 名 | Salicylic Acid-Induced Resistance of Lily Leaves Against Botrytis Elliptica=水楊酸誘導百合系統性抗灰黴病之研究 |
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作 者 | 陳昭瑩; 黃祥恩; | 書刊名 | 植物病理學會刊 |
卷 期 | 6:2 1997.06[民86.06] |
頁 次 | 頁76-82 |
分類號 | 435.456 |
關鍵詞 | 系統性誘導抗病; 水楊酸; 灰黴病; 百合; Systemic acquired resistance; Salicylic acid; Botrytis elliptica; Lily; |
語 文 | 英文(English) |
中文摘要 | 水楊酸酸佈百合植株下位葉葉背可誘導百合產生對灰黴病之抗性,誘導抗病性見於處理葉及未處理之上位葉。以5mM水楊酸處理一日、三日或七日後接種均可誘導百合抗病性的產生,病斑數間均明顯降低。若於一周內以水楊酸處理三次後接種,病斑數目降低情形更加明顯與對照組有極顯著之差異。進一步萃取百合葉片組織之水楊酸,以螢光光譜儀測定其含量。處理葉中水楊酸含量明顯地增加,以水楊酸處理三次之百合葉片內水楊酸含量增加最為明顯,約達對照組之三倍。此外,5mM濃度以下之水楊浚對百合灰黴病菌之發芽及生長並無明顯之抑制作用。 |
英文摘要 | Salicylic acid (SA) application on leaves of Lilium hybrid was shown to be effective in inducing disease resistance against Botrytis elliptica, a fungal pathogen causing the gray mold. The disease control efficacy was demonstrated by leaf spray method with 5mM SA. The effectiveness was manifested by significantly reduced number of lesion on both treated and untreated leaves upon challenge inoculation. The induced resistance was demonstrated one, three or seven day(s) after SA treatment. Furthermore, three applications of SA in a week greatly enhanced the level of induced resistance. By spectrofluorometry, a significant increase of SA in treated was detected after the application of SA. The increased level of SA lasted for at least 7 days. In leaves with three applications of SA in a week, the endogenous SA content reached nearly three times that of the control leaves. In the in vitro study, the endogenous level of SA detected was shown fat less than required for inhibiting spore germination or retarding mycelial growth of B. elliptica. |
本系統中英文摘要資訊取自各篇刊載內容。