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題 名 | 臺灣疑似梨衰弱病問題之探討=Comments on the Disease that Similar to Pear Decline in Taiwan |
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作 者 | 陳慶忠; 劉添丁; 林長平; 郭克忠; | 書刊名 | 植物保護學會會刊 |
卷 期 | 43:1 2001.03[民90.03] |
頁 次 | 頁1-5 |
分類號 | 435.312 |
關鍵詞 | 疑似衰弱病; 病徵學; 病原學; Pear decline like disease; Symptomatologe; Etiology; |
語 文 | 中文(Chinese) |
中文摘要 | 民國83年6月臺中縣和平鄉南勢段中坑村即東勢與和平交界10K至13K (地名)處約17公頃梨樹發生病變現象,經前省府農林廳及其所屬相關單位會勘研判認為與國外報告之梨衰弱病(pear decline,PD)頗為相似。PD係經由木蝨類昆蟲(Cacopsylla pyricola)媒介傳播,由菌質 ( Phytoplasma ) 所引起之重要病害。由於病害來勢洶洶,蔓延迅速,經呈報農委會植保科,由當時之承辦技正高清文博士會議研商後決議採取5項緊急對策:(1)加施有機肥料增強果樹樹勢;(2)注射四環黴素;(3)加強病因學研究;(4)砍伐病株;(5)梨木蝨藥劑共同防治,其中砍伐病株及梨木蝨共同防治列為重點工作。本病發生7年多以來,政府投入相當經費及人力,病勢雖暫時受到有效控制,但病原迄今仍未闡明,對我國相關學術研究工作,可謂一大考驗。在病原尚未確認前,本病暫以"疑似梨衰弱病"稱之。本文擬就本病發生7年餘來國內相關植保人員之研究結果及未來擬定工作方向提出綜合性報告及檢討,期能激發一些討論,群策群力,以提供未來擬定工作方向的參考。 |
英文摘要 | Pear decline-like disease was firstly found on the grafted-pear in the hilly areas near the junction of Tung-shih and Ho-ping, Taichung Hsien, in June, 1984. Based on the symptomatology, the disease was named as 'pear decline-like' and research projects were granted for further details. Regrettably, for seven years, no phytoplasma has been detected neither by using PCR probes nor by histological studies. Grafting and transmission studies showed low percentage of successful transmission; however, too few materials led no further in vitro studies. This communication is a retrospect for past effort and also an attempt to give an outlook in terms of future research proposals that may be needed. |
本系統中英文摘要資訊取自各篇刊載內容。