与哥伦比亚种植园相关的土传（肉座菌目，丛赤壳科）真菌。
Soil-borne (Hypocreales, Nectriaceae) associated with plantations in Colombia.
作者信息
Pham Nam Q, Marincowitz Seonju, Chen ShuaiFei, Rodas Carlos A, Wingfield Michael J
机构信息
Department of Plant and Soil Sciences, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa.
Department of Biochemistry, Genetics and Microbiology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, South Africa.
出版信息
MycoKeys. 2022 Nov 30;94:17-35. doi: 10.3897/mycokeys.94.96301. eCollection 2022.
spp. are widely planted in Colombia as an important component of a growing paper and pulp industry. Leaf and shoot blight caused by spp. was one of the first disease problems to emerge in these plantations. A survey of plantations in four forestry regions of Colombia during 2016 resulted in a large number of isolates from soil samples collected in the understories of trees having symptoms of leaf and shoot blight. The aim of this study was to identify and resolve the phylogenetic relationships for these isolates using DNA sequence comparisons of six gene regions as well as morphological characters. From a collection of 107 isolates, seven species residing in three species complexes were identified. Two of these represented undescribed species, namely and and were the most commonly isolated species, each of which accounted for approximately 30% of the isolates. The results suggest that Colombia has a wide diversity of spp. and that these could challenge plantation forestry in the future.
[具体树种]在哥伦比亚被广泛种植，是不断发展的造纸和纸浆工业的重要组成部分。由[具体树种]引起的叶枯病和枝枯病是这些种植园中最早出现的病害问题之一。2016年对哥伦比亚四个林业地区的[具体树种]种植园进行的一项调查，从有叶枯病和枝枯病症状的树木林下土壤样本中分离出了大量[具体树种]菌株。本研究的目的是通过六个基因区域的DNA序列比较以及形态特征来鉴定和解析这些菌株的系统发育关系。从107个菌株的集合中，鉴定出了三个物种复合体中的七个[具体树种]物种。其中两个代表未描述的物种，即[具体物种1]和[具体物种2]，[具体物种3]是最常分离到的物种，每个物种约占分离菌株的30%。结果表明，哥伦比亚的[具体树种]具有广泛的多样性，这些可能在未来对[具体树种]人工林构成挑战。
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