Effect of the Antidesiccant Moisturin on Conifer Seedling Field Performance
Two concentrations of the antidesiccant Moisturin® were applied to Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) and ponderosa pine (Pinus pondersosa Dougl. ex Laws.) seedlings after lifting by either dipping or spraying. Seedlings were outplanted to 5 typically dry sites in Oregon and to a garden plot at Oregon State University. Seedling performance was assessed at the end of the first growing season. Despite trends in plant moisture stress measurements that suggest reduced transpirational loss, there were no significant treatment effects on height growth, survival, or stem diameter growth at any of the study sites nor in the garden plot. These results are consistent with most found in the literature in which conifer seedling field performance was not significantly or consistently improved by application of an antidesiccant product.Tree Planters' Notes 46(3):97-101; 1995.
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Author(s): Diane L. Haase, Robin Rose
Publication: Tree Planters' Notes - Volume 46, Number 3 (1995)
Volume: 46
Number: 3