Whole-plant CO₂ exchange of seedlings of two Pinus sylvestris L. provenances grown under simulated photoperiodic conditions of 50° and 60° N

Medicine & Life Sciences

• Pinus sylvestris 100%
• Seedlings 78%
• Population 19%
• Carbon 18%
• Russia 14%
• Poland 13%
• Respiratory Rate 13%
• Needles 11%
• Respiration 10%
• Photosynthesis 9%
• Controlled Environment 8%
• Photoperiod 7%
• Carbohydrates 5%
• Water 4%
• Costs and Cost Analysis 3%
• Growth 3%

Agriculture & Biology

• Pinus sylvestris 51%
• provenance 50%
• seedlings 30%
• carbon dioxide 17%
• carbon dioxide fixation 12%
• Russia 10%
• water use efficiency 5%
• transpiration 5%
• photoperiod 4%
• growing season 4%
• photosynthesis 4%
• carbohydrates 3%
• carbon 3%
• shoots 3%

Earth & Environmental Sciences

• seedling 51%
• provenance 47%
• allocation 19%
• assimilation 9%
• carbon 9%
• photoperiod 7%
• rate 7%
• water use efficiency 6%
• transpiration 5%
• carbohydrate 5%
• photosynthesis 5%
• growing season 5%
• pine 4%
• cost 2%