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标题：Susceptibility of Picea abies and Pinus sylvestris Seedlings of Various origins to Heterobasidion annosum and H. parviporum
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作者：Astra Zaļuma ; Arnis Gailis ; Natālija Burņeviča 等
期刊名称：Proceedings of the Latvian Academy of Sciences, Section B. Natural, exact, and applied sciences, B dala. Dabaszinatnes
印刷版ISSN：1407-009X
电子版ISSN：1407-009X
出版年度：2016
卷号：70
期号：1
页码：29-33
DOI：10.1515/prolas-2016-0005
语种：English
出版社：The Academy
摘要：Five-year-old Norway spruce and four-year-old Scots pine seedlings of various origin were inoculated with Heterobasidion annosum s.s. and H. parviporum to estimate whether the susceptibility of seedlings to Heterobasidion was affected by origin of seeds. In total, 520 spruce and 538 pine seedlings from different seed sources and provenance regions of Latvia were tested. Four months after inoculation the fungal growth was measured. The results highlight differences between development of H. annosum and H. parviporum in spruce and pine seedlings. We did not find any seed source that was more resistant than others.
关键词：pine; spruce; Heterobasidion root rot; resistance test