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HETEROBASIDION SPP. IN PICEA ABIES UNDERSTORY:<br />

INCIDENCE AND IMPACT ON RADIAL GROWTH OF TREES<br />

Kristaps Gruduls, Tālis Gaitnieks,<br />

Jānis Donis, Imants Liepa<br />

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Trees. Proceedings of the 12 th IUFRO International Conference on Root and Butt Rots, The University of<br />

California, Berkeley, California, Medford, Oregon, USA, pp. 177–179.<br />

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R., Hüttermann A. (eds.), CAB International, Wallingford, UK, 589 pp.<br />

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parviporum. Canadian Journal of Forest Research, 31, pp. 937–942.<br />

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7. Swedjemark G. (1995) Heterobasidion annosum root rot in Picea abies: variability in aggressiveness and<br />

resistance, PhD thesis, Swedish University of Agricultural Sciences, Uppsala, Sweden, 42 pp.<br />

8. Tamminen P. (1985) Butt rot in Norway spruce in Southern Finland, Communicationes Instituti Forestalis<br />

Fenniae, 127, pp. 1–52.<br />

9. Vasiliauskas R., Stenlid J. (1998) Spread of S and P group isolates of Heterobasidion annosum within and<br />

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10. Василяускас А. (1989) Корневая губка и устойчивость экосистем хвойных лесов (Root fungus and<br />

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24 ReseaRch foR RuRal Development 2012

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