First report of Brenneria goodwinii and Gibbsiella quercinecans bacteria, detected on weaken oak trees in Poland

IF 0.7 4区农林科学 Q3 FORESTRY

Baltic Forestry Pub Date : 2021-04-27 DOI:10.46490/BF563

M. Tkaczyk, L. Celma, D. Ruņģis, G. Bokuma

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引用次数: 6

Abstract

The decline of oak stands is a phenomenon that has been observed since the beginning of the 20th century in many European countries. It can be caused both with abiotic factors such as drought and fluctuations in groundwater levels, as well as biotic factors such as infestations by insects, fungi and bacteria. Acute Oak Decline (AOD) is an dangerous disease of oak trees which was first observed in the XX century. From the moment the first symptoms were noticed, the disease is able to kill trees in up to 6 years. Two species of bacteria, Brebberia goodwinii and Gibsiella quercinecand, are considered as one of the infectious agents of AOD. The decline of Quercs robur was reported from a weakened stand from the Chojnow Forest District. Symptomatic exudates were sampled and subjected to laboratory analysis. Using the Real time PCR, bacteria Brenneria goodwinii and Gibsiella quercinecans were confirmed in two out of seven collected field samples. This report is the first information on the observation of these bacteria in weakened stands with the participation of Quercus robur in Poland. Keywords: Quercus robur, bacteria, Brenneria goodwinii, Gibsiella quercinecans, real time PCR, Acute Oak Decline

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在波兰衰弱的橡树上检测到的古氏布伦氏菌和quercinecans吉伯菌的首次报告

橡树林的衰退是自20世纪初以来在许多欧洲国家观察到的一种现象。它既可能由干旱和地下水位波动等非生物因素引起，也可能由昆虫、真菌和细菌侵扰等生物因素引起。急性橡树衰退（AOD）是二十世纪首次发现的一种危险的橡树病害。从最初的症状被发现的那一刻起，这种疾病可以在6年内杀死树木。goodwinii Brebberia和quercinecand Gibsiella两种细菌被认为是AOD的传染源之一。据报道，乔诺林区的一个衰弱林分出现了粗壮栎的衰退。对有症状的渗出液进行取样并进行实验室分析。使用实时PCR，在七个采集的野外样本中有两个样本中确认了细菌Brenneria goodwiii和Gibsiella quercinecans。本报告是在波兰粗壮栎的参与下，首次在衰弱林分中观察到这些细菌的信息。关键词：粗壮栎，细菌，古氏布伦氏菌，槲寄生，实时PCR，急性衰退

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来源期刊

Baltic Forestry 农林科学-林学

CiteScore

1.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The journal welcomes the original articles as well as short reports, review papers on forestry and forest science throughout the Baltic Sea region and elsewhere in the area of boreal and temperate forests. The Baltic Sea region is rather unique through its intrinsic environment and distinguished geographical and social conditions. A temperate climate, transitional and continental, has influenced formation of the mixed coniferous and deciduous stands of high productivity and biological diversity. The forest science has been affected by the ideas from both the East and West. In 1995, Forest Research Institutes and Universities from Estonia, Latvia and Lithuania joined their efforts to publish BALTIC FORESTRY.