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PNc/PIm IUFRO
IUFRO - PNc and PIm planted on organic soils
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PNc/PIm IUFRO
IUFRO - PNc and PIm planted on organic soils
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PNs & blister rust - grafted stock of resistant seedlings
PNs & blister rust - grafted stock of resistant seedlings
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PNs & blister rust (a year later) - bed of Pw with 4 seedlings live
PNs & blister rust (a year later) - bed of Pw with 4 seedlings live
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PNs & blister rust. Seedlings 3-4 years old with Ribes in bed
PNs & blister rust. Seedlings 3-4 years old with Ribes in bed, some resistance?
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PNs hybrids - maple
PNs hybrids - maple
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PNsy from Nisula
PNsy from Nisula Forest in Finland - planted July 1967
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PNsy IUFRO
Pinus sylvestris IUFRO - Solena - 2.5 m spacing
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PNsy IUFRO
Pinus sylvestris IUFRO - Solena - 1.6 m spacing
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PNsy IUFRO
Pinussylvestris IUFRO - Solena - PNSY control
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