V. Freiwald

Ozone exposure over two growing seasons alters root‐to‐shoot ratio and chemical composition of birch (<i>Betula pendula</i> Roth)

Keiko Yamaji, Riitta Julkunen‐Tiitto, Matti Rousi et al. · Global Change Biology · 2003 · 94 citations

Net Photosynthesis, Plant-abiotic Interaction, Botany +11

Interactive effect of springtime frost and elevated ozone on early growth, foliar injuries and leaf structure of birch (<i>Betula pendula</i>)

Nadezhda A. Prozherina, V. Freiwald, Matti Rousi et al. · New Phytologist · 2003 · 62 citations

Springtime Frost, Engineering, Botany +17

Impacts of elevated ozone and nitrogen on growth and photosynthesis of European aspen (<i>Populus tremula</i>) and hybrid aspen (<i>P. tremula</i> × <i>Populus tremuloides</i>) clones

Elina Häikiö, V. Freiwald, Tarja Silfver et al. · Canadian Journal of Forest Research · 2007 · 56 citations

Biology, Elevated Ozone, Biogeochemistry +14

Differences in leaf characteristics between ozone-sensitive and ozone-tolerant hybrid aspen (Populus tremula x Populus tremuloides) clones

Elina Haikio, V. Freiwald, Riitta Julkunen‐Tiitto et al. · Tree Physiology · 2008 · 55 citations · Full text

Biology, Leaf Characteristics, Botany +14

Photosynthesis of birch (<i>Betula pendula</i>) is sensitive to springtime frost and ozone

Elina Oksanen, V. Freiwald, Nadezhda A. Prozherina et al. · Canadian Journal of Forest Research · 2005 · 38 citations

Engineering, Photorespiration, Botany +17