Transplanting Method Influences Survival and Growth of Bare-Root Coniferous Nursery Stock

TL;DRAbstract

The survival and subsequent growth of conifers transplanted bare-root using several methods to reduce moisture loss were compared to that of conventional balled and burlapped (B&B) plants. Treating plants with foliar antidesiccant (Wilt-Pruf® NCF) prior to digging combined with storage in Plant Fresh® polyethylene bags was a satisfactory method of bare-root transplanting. All bare-root transplanted Juniperus virginiaia L. 'Grey Rock' (60-70 cm), stored for 5 days, and Juniperus chinensis L. 'Keteleeri' (1.5-1.75 m), stored for 16 days, survived and grew as well as the control B&B plants. Taxus x media Rehd. 'Andersoni' (50-60 cm) treated with foliage antidesiccant and/or enclosed in poly bags and stored for 5 days had foliar injury similar to B&B plants. Quality was poorer for Taxus plants treated with only root antidesiccant. Bare-root transplanting of Picea abies Karst. (1.25-1.5m), stored for 14 days, resulted in some foliar injury and reduced shoot growth compared to B&

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