Abstract
Summary Several of the biological features of Araucaria cunninghamii have had a major impact on the development of techniques for the production of high quality seed. These include the rigidly defined branching system, a long juvenile period with respect to the production of pollen cones, wide interclonal variation in flowering season, intermittent flowering, the pollination mechanism, seed structure and grafting incompatibility. The significance of these features in relation to seed orchard design, establishment and management, and to seed collectior processing and storage is discussed. Major outstanding problems are indicated, and potentially productive avenues of research outlined
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