南京林業(yè)大學(xué)學(xué)報(bào)(自然科學(xué)版)
JOURNAL OF NANJING FORESTRY UNIVERSITY(NATURAL SCIENCE EDITION)
2002 Vol.26 No.5 P.37-40
松材線蟲(chóng)攜帶細(xì)菌的鑒定和毒性研究
Studies on Identification and Toxicity of Bacteria Carried by Pine Wood Nematodes
洪英娣 曹越 趙博光 韓正敏
JOURNAL OF NANJING FORESTRY UNIVERSITY(NATURAL SCIENCE EDITION)
2002 Vol.26 No.5 P.37-40
松材線蟲(chóng)攜帶細(xì)菌的鑒定和毒性研究
Studies on Identification and Toxicity of Bacteria Carried by Pine Wood Nematodes
洪英娣 曹越 趙博光 韓正敏
摘 要:從松材線蟲(chóng)病致死的松材木質(zhì)部和松材線蟲(chóng)體表分離到3個(gè)出現(xiàn)頻率較高的細(xì)菌菌株,菌株Njh、Njt和Njw.經(jīng)鑒定3種細(xì)菌分別為熒光假單胞菌Ⅰ型(Pseudomonas fluorescens biotype Ⅰ)熒光假單胞菌Ⅱ型(Pseudomonas fluorescens biotype Ⅱ)和泛菌屬某種(Pantoea sp.).用牛肉膏蛋白胨液體培養(yǎng)基振蕩培養(yǎng)細(xì)菌,培養(yǎng)液直接處理黑松愈傷組織,測(cè)定各細(xì)菌的產(chǎn)毒能力.與對(duì)照(空白培養(yǎng)液)相比,3種細(xì)菌的培養(yǎng)原液都可對(duì)黑松愈傷組織產(chǎn)生明顯影響,其中菌株Njh和菌株Njt可以在2?d內(nèi)使愈傷組織明顯變色,菌株Njw處理變色較慢.表明菌株Njh和Njt培養(yǎng)液內(nèi)有大量致萎毒性物質(zhì)存在.
關(guān)鍵詞:松材線蟲(chóng);攜帶細(xì)菌;毒性
分類號(hào):S763 文獻(xiàn)標(biāo)識(shí)碼:A
文章編號(hào):1000-2006(2002)05-0037-04
基金項(xiàng)目:國(guó)家自然科學(xué)基金項(xiàng)目(30030110)及(39970614)
作者簡(jiǎn)介:洪英娣(1976-),女,江西奉新人,南京林業(yè)大學(xué)碩士畢業(yè),現(xiàn)為西南林學(xué)院教師.
作者單位:洪英娣(南京林業(yè)大學(xué)森林資源與環(huán)境學(xué)院,江蘇,南京,210037)
曹越(南京林業(yè)大學(xué)森林資源與環(huán)境學(xué)院,江蘇,南京,210037)
趙博光(南京林業(yè)大學(xué)森林資源與環(huán)境學(xué)院,江蘇,南京,210037)
韓正敏(南京林業(yè)大學(xué)森林資源與環(huán)境學(xué)院,江蘇,南京,210037)
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[1]楊寶君.松樹(shù)上線蟲(chóng)的鑒定[J].林業(yè)科學(xué),1985,21(3):305-309.
[2]Dropkin V H,Foudin A,Kondo E,et al.Pinewood nematode:A threat to U.S.A. forest[J].Plant Disease,1981,65:1?022-1?027.
[3]Mamiya Y,Kobayashi T,Zinno Y,et al.Disease development of pine trees naturally infected with Bursaphelenchus lignicolus[R].Trans Meet Jpn For Soc 84th,1973,323-324.
[4]程瑚瑞.松材線蟲(chóng)的形態(tài)診斷和致病性的研究[J].南京農(nóng)業(yè)大學(xué)學(xué)報(bào),1986,(2):55-59.
[5]胡凱基.松材線蟲(chóng)和擬松材線蟲(chóng)不同株系致病性的研究[M].中國(guó)松材線蟲(chóng)病的流行與治理,北京:中國(guó)林業(yè)出版社,1995:50-53.
[6]曹越.松材線蟲(chóng)病感松樹(shù)中致萎毒性物質(zhì)的研究[J].林業(yè)科學(xué),2001,37(4):75-79.
[7]Oku H,Shiraishi T,Kurozumi S.Pine wilt toxin,the metabolite of a bacterium associated with a nematode[J].Naturwissenschaften,1980,67:198-199.
[8]Kusunoki M.Symptom development of pine wilt disease-histopathological observations with electron microscopes[J].Ann Phytopath Soc Japan,1987,53:622-629.
[9]趙博光.細(xì)菌分離物B619與松材線蟲(chóng)病關(guān)系的初步研究[J].南京林業(yè)大學(xué)學(xué)報(bào),2000,24(4):72-77.
[10]Kawazu K.Pathogenic toxins of pine wilt disease[J].Kagaku to Seibutsu,1998,36(2):120-124.
[11]Futai K,Furuno T.The variety of resistances among pine species to pine wood nematode,Bursaphelenchus lignicolus[J].Bull Kyoto Univ For,1979,51:23-36.