Brown spot disease of tree peony caused by Cylindrocladium canadense in China

Li, N.; Zhao, Xiao Ling; Liu, A. X.; Liu, H. X.

doi:10.1007/s10327-010-0245-2

Cited by 3 publications

(3 citation statements)

References 11 publications

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“…Based on previous studies, Calonectria species have been reported in nine provinces and one Special Administrative Region (SAR), which with the exception of LiaoNing and ShanDong Provinces belong to temperate regions (Luan et al 2006, Li et al 2010. Most Calonectria have been isolated from agronomic crops or forestry plantations in subtropical and tropical regions, including FuJian, GuangDong, GuangXi, GuiZhou, HaiNan, JiangXi and YunNan Provinces, as well as Hong Kong SAR (Crous et al 2004, Lombard et al 2010a, Chen et al 2011, Gai et al 2012, Pei et al 2015.…”

Section: Introductionmentioning

confidence: 99%

Two novel species of Calonectria isolated from soil in a natural forest in China

Liu¹,

Chen²

2017

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Species of Calonectria include important pathogens of numerous agronomic and forestry crops worldwide, and they are commonly distributed in soils of tropical and subtropical regions of the world. Previous research results indicated that species diversity of Calonectria in China is relatively high. Most Calonectria spp. reported and described from China were obtained from diseased Eucalyptus tissues or soils in Eucalyptus plantations established in tropical and subtropical areas in southern China. Recently, a number of Calonectria isolates were isolated from soils in a natural forest in the temperate region of central China. These isolates were identified by DNA sequence comparisons for the translation elongation factor 1-alpha (tef1), histone H3 (his3), calmodulin (cmdA) and β-tubulin (tub2) gene regions, combined with morphological characteristics. Two novel species of Calonectria were identified and described, and are named here as Calonectria lichi and Ca. montana, which reside in the Prolate Group and Sphaero-Naviculate Group, respectively. This study revealed that more species of Calonectria may occur in natural forests in central China than previously suspected.

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Section: Introductionmentioning

confidence: 99%

Two novel species of Calonectria isolated from soil in a natural forest in China

Liu¹,

Chen²

2017

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“…In China, the tree peony has been cultivated since the Dongjin Dynasty 1600 years ago and it was introduced to Japan early in 724-749 and brought to Europe in 1787 (Li, 1999). The root bark of the tree peony, known as Dan Pi, is an important ingredient in Chinese traditional medicine (Pan & Dai, 2009;Li et al, 2010). All wild species are widely dispersed in China, and more than 1500 cultivars have been planted .…”

Section: Introductionmentioning

confidence: 99%

Culturable bacterial community analysis in the root domains of two varieties of tree peony (Paeonia ostii)

Han

Song

Liu

et al. 2011

FEMS Microbiology Letters

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A total of 985 bacterial strains with different colony characteristics were isolated from the root of tree peony plants (variety 'Fengdan' and 'Lan Furong'); 69 operational taxonomic units were identified by amplified ribosomal DNA restriction analysis. Representatives of each group were selected for partial 16S rRNA gene sequencing and phylogenetic analysis. The major groups in the bulk soil, rhizosphere, and rhizoplane of Fengdan were Firmicutes (63.2%), Actinobacteria (36.3%), and Betaproteobacteria (53.0%), respectively. The major bacteria groups in the bulk soil, rhizosphere, and rhizoplane of Lan Furong were Actinobacteria (34.8%), Gammaproteobacteria (45.2%), and Betaproteobacteria (49.1%), respectively. In total, the bacterial isolates comprised 26 genera--14 in the bulk soil, 14 in the rhizosphere, and 11 in the rhizoplane. The most common genus in the bulk soil of Fengdan and Lan Furong was Bacillus (49.6% and 32.6%, respectively), in the rhizosphere Microbacterium (21.1%) and Pseudomonas (42.0%), and in the rhizoplane Variovorax (53.0% and 49.1%, respectively). The results show that there are obvious differences in the bacterial communities in the three root domains of the two varieties, and the plants exerted selective pressures on their associated bacterial populations. The host genotypes also influenced the distribution pattern of the bacterial community.

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“…Under natural conditions, it takes only 50-60 days from budding to fading; the flowering period is 3-5 days for a single flower and 10-15 days for a colony of plants. Most tree peony varieties are middle-flowering varieties, with the proportion of early-flowering and late-flowering varieties being quite few ( Li et al., 2011 ). In addition, due to the lack of research on the genetic basis and molecular regulation mechanism of flowering in tree peony, it is difficult to improve the breeding and cultivation techniques to meet the demand for prolonging of flowering time of tree peony.…”

Section: Introductionmentioning

confidence: 99%

Integrated analysis of miRNAome transcriptome and degradome reveals miRNA-target modules governing floral florescence development and senescence across early- and late-flowering genotypes in tree peony

Guo

Zhang

et al. 2022

Front. Plant Sci.

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As a candidate national flower of China, tree peony has extremely high ornamental, medicinal and oil value. However, the short florescence and rarity of early-flowering and late-flowering varieties restrict further improvement of the economic value of tree peony. Specific miRNAs and their target genes engaged in tree peony floral florescence, development and senescence remain unknown. This report presents the integrated analysis of the miRNAome, transcriptome and degradome of tree peony petals collected from blooming, initial flowering, full blooming and decay stages in early-flowering variety Paeonia ostii ‘Fengdan’, an early-flowering mutant line of Paeonia ostii ‘Fengdan’ and late-flowering variety Paeonia suffruticosa ‘Lianhe’. Transcriptome analysis revealed a transcript (‘psu.G.00014095’) which was annotated as a xyloglucan endotransglycosylase/hydrolase precursor XTH-25 and found to be differentially expressed across flower developmental stages in Paeonia ostii ‘Fengdan’ and Paeonia suffruticosa ‘Lianhe’. The miRNA-mRNA modules were presented significant enrichment in various pathways such as plant hormone signal transduction, indole alkaloid biosynthesis, arachidonic acid metabolism, folate biosynthesis, fatty acid elongation, and the MAPK signaling pathway. Multiple miRNA-mRNA-TF modules demonstrated the potential functions of MYB-related, bHLH, Trihelix, NAC, GRAS and HD-ZIP TF families in floral florescence, development, and senescence of tree peony. Comparative spatio-temporal expression investigation of eight floral-favored miRNA-target modules suggested that transcript ‘psu.T.00024044’ and microRNA mtr-miR166g-5p are involved in the floral florescence, development and senescence associated agronomic traits of tree peony. The results might accelerate the understanding of the potential regulation mechanism in regards to floral florescence, development and abscission, and supply guidance for tree peony breeding of varieties with later and longer florescence characteristics.

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Brown spot disease of tree peony caused by Cylindrocladium canadense in China

Cited by 3 publications

References 11 publications

Two novel species of Calonectria isolated from soil in a natural forest in China

Two novel species of Calonectria isolated from soil in a natural forest in China

Culturable bacterial community analysis in the root domains of two varieties of tree peony (Paeonia ostii)

Integrated analysis of miRNAome transcriptome and degradome reveals miRNA-target modules governing floral florescence development and senescence across early- and late-flowering genotypes in tree peony

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