Q. My Austrian pine is turning brown. Why? A. The Austrian pine (Pinus nigra), an exceptionally hardy and attractive evergreen, is a true landscape favorite. Yet despite the name "evergreen," as pines ...

Leaves – Evergreen needles are 2 per fascicle; about 5” long; dark green; stout; rigid; sharply pointed. Twigs and buds – Opposite branching with waxy and resinous buds. Cones/flowers – A monoecious ...

Austrian pine (Pinus nigra Arn.) and red pine (P. resinosa Ait.) were tested for needle damage caused by sulphuric acid spray. Morphology and histology of newly grown needles were compared in 3- and 6 ...

1. The cytology of the various stages during fertilization in Austrian pine (Pinus nigra Arnold) are described. 2. A photographic record is presented of the sequence from the time when the two sperm ...