期刊
BIOENERGY RESEARCH
卷 14, 期 2, 页码 482-491出版社
SPRINGER
DOI: 10.1007/s12155-021-10253-9
关键词
poplar; bark; eco-fungicide; extract composition; extractability; fungicidal tests
资金
- Projekt DEAL
- Bio-Based Industries Joint Undertaking under the European Union's Horizon 2020 research and innovation program [745874]
Tree bark contains chemical substances that can inhibit fungal growth, making it a potential source for eco-friendly fungicides. Different clones of trees have varying fungicidal substances in their bark, and the extraction method used can influence the active fungicides present in the extracts.
Bark on trees protects the plant against environmentally adverse conditions as well as fungi and insect attacks. There are different chemical substances, mostly in the outer bark of trees, which can stop fungi from developing. Bark as a by-product of wood plantations is available in high quantity and can serve as an excellent source for the production of eco-fungicides. In the presented article, bark of various poplar clones from two short-rotation coppices (SRC) in Poland and Germany was examined to determine the chemical composition, the possible extraction of potential fungicides (terpenes, aromatic and phenolic substances), and influence of their extracts on slowing the growth of mold fungi. It was proved that the content of the fungicidal substances depends strongly on the clone type. Two methods of extraction-Soxhlet and batch-were compared to obtain fungicidal extracts. Fungicidal substances were found in extracts gained with both approaches. Triterpenes, fatty acids, aldehydes, and alcohols were primarily the active fungicides in the Soxhlet extracts, whereas phenolic substances act as fungicides in the batch extracts.
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