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Article
Open AccessOpening the black box: explainable deep-learning classification of wood microscopic image of endangered tree species
Traditional method of wood species identification involves the use of hand lens by wood anatomists, which is a time-consuming method that usually identifies only at the genetic level. Computer vision method ca...
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Article
Open AccessPrediction model of the hardness of waterlogged archaeological wood based on NIR spectroscopy
The significance of waterlogged archaeological wood (WAW) lies in its profound informational value, encompassing historical, cultural, artistic, and scientific aspects of human civilization, and therefore need...
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Article
Spatial organization and connectivity of wood rays in Pinus massoniana xylem based on high-resolution μCT-assisted network analysis
Spatial organization and connectivity of wood rays in Pinus massoniana was comprehensively viewed and regarded as anatomical adaptions to ensure the properties of rays in xylem.
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Article
Preservation status and microbial community of waterlogged archaeological woods over 7800 years old at the **gtoushan Site, China
The **gtoushan Site (8300–7800 BP), located in Ningbo City, Zhejiang Province, is of great value for the in-depth understanding of China’s prehistoric coastal culture. At this site, numerous valuable wooden reli...
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Article
Open AccessMolecular and crystal structures of cellulose in severely deteriorated archaeological wood
Preservation and conservation of archaeological wooden artifacts is extremely challenging due to a lack of knowledge about the hierarchical structure of preserved cellulose. Herein we report on the comparative...
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Article
Can quantitative wood anatomy data coupled with machine learning analysis discriminate CITES species from their look-alikes?
Due to increasing global trade of timber commodities and illegal logging activities, wood species listed in the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) appendice...
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Article
Open AccessSimilarity network fusion for aggregating headspace GC–MS and direct analysis in real time–mass spectrometry data from solid samples to enhance species identification efficiency of high–temperature heated wood
Pterocarpus santalinus and Pterocarpus tinctorius are commonly used species of the genus Pterocarpus in the wood trade. Although both of them have been listed in Appendix II of the Convention on International Tra...
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Article
Open AccessThe Tetracentron genome provides insight into the early evolution of eudicots and the formation of vessel elements
Tetracentron sinense is an endemic and endangered deciduous tree. It belongs to the Trochodendrales, one of four early diverging lineages of eudicots known for having vesselless secondary wood. Sequencing and res...
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Article
A strategy for develo** high-resolution DNA barcodes for species discrimination of wood specimens using the complete chloroplast genome of three Pterocarpus species
A method for extraction of wood DNA and a strategy for designing high-resolution barcodes for wood were developed. Ycf1b was the prioritized barcode to resolve the Pterocarpus wood species studied.
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Article
Machine learning approaches outperform distance- and tree-based methods for DNA barcoding of Pterocarpus wood
Machine-learning approaches (MLAs) for DNA barcoding outperform distance- and tree-based methods on identification accuracy and cost-effectiveness to arrive at species-level identification of w...
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Article
Influences of provenance and rotation age on heartwood ratio, stem diameter and radial variation in tracheid dimension of Cunninghamia lanceolata
Tracheid dimension, diameter at breast height (DBH) and heartwood ratio can significantly influence wood properties. Information about their variations upon provenance, rotation age and geometric locations wit...
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Article
Open AccessDNA Barcode Authentication and Library Development for the Wood of Six Commercial Pterocarpus Species: the Critical Role of Xylarium Specimens
DNA barcoding has been proposed as a useful tool for forensic wood identification and development of a reliable DNA reference library is an essential first step. Xylaria (wood collections) are potentially enor...
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Article
Effects of ageing on the cell wall and its hygroscopicity of wood in ancient timber construction
An important traditional load bearing member in oriental ancient timber structure buildings, i.e. Huagong (flower arm), was selected to explore the alterations in cell wall components and hygroscopic properties o...
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Article
DNA barcoding of vouchered xylarium wood specimens of nine endangered Dalbergia species
ITS2+ trnH - psbA was the best combination of DNA barcode to resolve the Dalbergia wo...
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Article
The influence of thermo-hygro-mechanical treatment on the micro- and nanoscale architecture of wood cell walls using small- and wide-angle X-ray scattering
Tracking the changes of cellulose crystallites upon thermo-hygro-mechanical treatment is essential to understand the response of wood cell walls to steam and compression. In this paper the influence of Compres...
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Chapter
Wood Resources, Identification, and Utilization of Agarwood in China
Agarwood, a compound substance of xylem tissue and its inclusions, is generally formed in some genera of Thymelaeaceae (e.g., Aquilaria) during the tree’s natural growing process. Due to the medicinal and economi...
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Article
Comparison of changes in micropores and mesopores in the wood cell walls of sapwood and heartwood
The objective of this paper was to investigate size distribution of micropores and mesopores within the wood cell walls between sapwood and heartwood by using nitrogen adsorption method and to find out implica...
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Article
Changes in the properties of wood cell walls during the transformation from sapwood to heartwood
Changes in the chemical, viscoelastic and hygroscopic properties of wood cell walls in Chinese fir (Cunninghamia lanceolata) during the transition from sapwood to heartwood were studied to provide insights into t...
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Chapter and Conference Paper
Design and Implementation of Micro-broadband Radar Signal Source
This chapter provides a design of micro-broadband radar signal source based on direct digital frequency synthesis technology. This micro-broadband radar signal source is composed of baseband signal source and ...
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Article
Callus induction and plant regeneration from anthers of Dendrocalamus latiflorus Munro
Bamboo varieties are very difficult to improve by traditional breeding methods. Here, we established an efficient plant-regeneration system for Dendrocalamus latiflorus (tropical giant bamboo) by anther culture. ...
