To direct, fund, promote and communicate horticultural research, which increases the quality and value of ornamental plants, improves the productivity and profitability of the nursery and landscape industry, and protects and enhances the environment. The use of any trade name in this article does not imply an endorsement of the equipment, product or process named, nor any criticism of any similar ... [Show full abstract] products that are not mentioned. Dormant pruning, a film antitra~s~irant, and soil-applied paclobutrazol were evaluated as transplanting treatments in newly trans planted '.Colt' cherry trees under IrrIgated and water-stressed conditions. Under irrigated conditions all three treatments were effective In reducIng plant ~ater loss. However, all three treatme?ts resulted in large reductions in mean growth rate, mean relative growth rate, root dry weIght, and root surface area. The prunIng treatment had no effect on the leaf area:root area ratio whereas the antitranspirant treatment resulted in an increased leaf area:root area ratio, a response considered undesirable. Paclobutr~zol decreased the leaf area:root area ratio but also induced abnormal radial enlargement of plant roots. Under water-stressed conditions all three tre~tment~ were effective in red~cing plant water loss and were successful in delaying plant water stress. Both pr~ned and antItransplrant treated plants had Improved relative growth rates as compared to the controls.