Development of macroscopic markers of Norway spruce damage in the Krusne Hory between 1998 and 2000
2002
Polak, T. | Albrechtova, J. (Charles University, Prague (Czech Republic). Faculty of Science) | Rock, B. N.
The average defoliation of the sites located in the western part significantly increased in 2000, probably as a result of massive needle yellowing and shedding, and the G/A bud ratio decreased for all of the sites what reflected in reduction of crown regeneration. We suppose that a further increase of crown defoliation due to exceedance of stress threshold may trigger tree defensive reactions and replacement of the loss of assimilative organs
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