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Rhizoctonia solani was isolated from 1/4–2 year-old seedlings of Silver fir, European larch, Scots pine and only sporadically from Norway spruce with symptoms of stem and root rot and yellowing and browning of needles. The species occurred on at least half of analysed, diseased plants. In laboratory trials the species colonised all parts of seedlings of Silver fir, European larch, Scots pine, Norway...
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