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Red pine (Pinus resinosa Ait.) and paper birch (Betula papyrifera Marsh.) seedlings exposed to sulfur dioxide produced acetaldehyde and ethanol, and exhibited increased production of ethylene and… (More)
There are 16 chapters in this book: a very brief and inadequate introduction; a curiously arranged one on growth and structure; eight on the usual "processes"photosynthesis, translocation, salt… (More)
Flooding induced several physiological and morphological changes in Fraxinus pennsylvanica seedlings, with stomatal closure among the earliest responses. Subsequent changes included: reduction in dry… (More)
Phytotoxic air pollutants that threaten forest ecosystems will be with us for a long time, posing a problem of enormous importance and complexity. Coping with this problem will require better… (More)
Net photosynthesis and transpiration of intact leaves of seedlings of five species of forest trees were measured under a range of light intensities and leaf temperatures. Leaf transfer resistances to… (More)
Plants of five clones of Populus tremuloides Michx. were exposed to 0, 0.2 or 0.5 microliter per liter SO(2) for 8 hours in controlled environment chambers. In the absence of the pollutant, two… (More)