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Werner A, Lakomy P. Intraspecific variation in Heterobasidion annosum for mortality rate on Pinus sylvestris and Picea abies seedlings grown in pure culture. Mycologia. 2002;94(5):856-61
Werner, A., & Lakomy, P. (2002). Intraspecific variation in Heterobasidion annosum for mortality rate on Pinus sylvestris and Picea abies seedlings grown in pure culture. Mycologia, 94(5), 856-61.
Werner, Antoni, and Lakomy, Piotr. "Intraspecific variation in Heterobasidion annosum for mortality rate on Pinus sylvestris and Picea abies seedlings grown in pure culture." Mycologia vol. 94,5 (2002): 856-61.
Werner A, Lakomy P. Intraspecific variation in Heterobasidion annosum for mortality rate on Pinus sylvestris and Picea abies seedlings grown in pure culture. Mycologia. 2002 Sep-Oct;94(5):856-61. PMID: 21156559.
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Mycologia. 2002 Sep-Oct;94(5):856-61.

Intraspecific variation in Heterobasidion annosum for mortality rate on Pinus sylvestris and Picea abies seedlings grown in pure culture.

Mycologia

Antoni Werner, Piotr Lakomy

Affiliations

  1. Department of Phytopathology, Institute of Dendrology, Polish Academy of Sciences, Parkowa 5, 62-035 Kórnik, Poland.

PMID: 21156559

Abstract

One-month-old Scots pine (Pinus sylvestris) and Norway spruce (Picea abies) seedlings were inoculated in vitro with Heterobasidion annosum strains, four each of the P-, S- and F-intersterility groups. Variation among strains and between the IS groups in virulence, expressed in mortality rate, was detected during twelve months after inoculation. Most of the strains were more virulent on spruce than on pine, and mortality of spruce seedlings was significantly higher. The P strains displayed similar virulence on both hosts, while S strains caused higher mortality of spruce seedlings and significantly lower mortality of pine seedlings. Strains of the F group were less virulent, but killed significantly (P < 0.05) more spruce than pine seedlings. In the interspecific analyses with two hosts, the isolates and IS groups accounted for most of the explained variation in the host mortality.

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