S and P intersterility groups in Heterobasidion annosum; Infection frequencies through bark of Picea abies and Pinus sylvestris seedlings and in vitro growth rates at different oxygen levels

1992 ◽  
Vol 22 (1) ◽  
pp. 41-45 ◽  
Author(s):  
M. Lindberg
Keyword(s):  
Picea Abies ◽  
Pinus Sylvestris ◽  
Growth Rates ◽  
Heterobasidion Annosum ◽  
In Vitro Growth ◽  
Oxygen Levels ◽  
Intersterility Groups

scholarly journals Susceptibility of Picea abies and Pinus sylvestris Seedlings of Various origins to Heterobasidion annosum and H. parviporum

2016 ◽  
Vol 70 (1) ◽  
pp. 29-33 ◽  
Author(s):  
Astra Zaļuma ◽  
Arnis Gailis ◽  
Natālija Burņeviča ◽  
Kari Korhonen ◽  
Tālis Gaitnieks
Keyword(s):  
Picea Abies ◽  
Pinus Sylvestris ◽  
Norway Spruce ◽  
Scots Pine ◽  
Fungal Growth ◽  
Seed Source ◽  
Heterobasidion Annosum ◽  
Seed Sources ◽  
Pine Seedlings

Abstract 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.

scholarly journals Preliminary report on distribution of Heterobasidion annosum intersterility groups in Poland

2014 ◽  
Vol 35 (2) ◽  
pp. 303-309 ◽  
Author(s):  
Piotr Łakomy ◽  
Tadeusz Kowalski ◽  
Antoni Werner
Keyword(s):  
Picea Abies ◽  
Host Species ◽  
Preliminary Report ◽  
Betula Pendula ◽  
Quercus Rubra ◽  
Abies Alba ◽  
Pinus Strobus ◽  
Prunus Serotina ◽  
Heterobasidion Annosum ◽  
Intersterility Groups

The study material consists of 165 <i>H. annosum</i> isolates from 25 different localities. Host species was <i>Pinus sylvestris, Picea abies, Betula pendula, Abies alba, Lnrix decidua, Pinus strobus, Prunus serotina, Quercus rubra</i>. Most of the <i>H. annosum</i> isolates belonged to the P group. This group was most common on pine and birch. The S group infected Norway spruce and European fir. The F group was recorded only in the south of Poland. Only three localities, where this intersterility group was present, were found in Poland.

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