Abstract
ABSTRACT Hybrid Populus was grown from cuttings for 5 years on two reclamation sites in southern Illinois. Plantings were made in two years and establishment varied with weather and site conditions including grasshopper damage. There were few later losses and growth was rapid with early canopy closure. Harvested trees re-grew rapidly. The root depth reached within 3 years, opening up substantial root channels, was nearly equivalent to that of 8-year old trees. Best performance was found on strongly-compacted, poorly-drained clay soils contrary to cited reports for Populus. Hybrid Populus has great potential in reclamation for quickly shading out competing herbaceous cover, mitigating soil compaction problems, and growing well with soil flooding that limits growth of most kinds of trees.
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