The water relations of Picea abies in a healthy stand with green trees only and a declining stand with trees showing different stages of needle yellowing were investigated in northern Bavaria. The ...

Leaf gas exchange, transpiration, water potential and xylem water flow measurements were used in order to investigate the daily water balance of intact, naturally growing, adult Larix and Picea trees ...

Claims that spruce trees synchronize their responses to a solar eclipse were widely reported recently — but many researchers ...

Jennie Mazzone, Penn State Extension Educator, Horticulture Spruces (Picea spp.) are eye-catching at this time of the year, especially now that deciduous trees have lost their leaves. Spruces […] ...