An integrated study of nursery stock conditioning: Preliminary observations on stock performance
Relationships between several nursery cultural practices and subsequent field survival and growth of Douglas-fir seedlings on different sites are being investigated. Results of an exploratory study indicate that both wrenched and unwrenched seedlings increased substantially in stem diameter and root dry weight after early August, that by early winter they were nearly the same size, and that an early August wrenching did not improve their firstseason field survival or height growth. Design of the larger followup investigation is described and some observations on frost damage at different seedbed densities, chilling requirements, and relationships between nursery cultural practices and midseason first-year survival are reported.
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Author(s): William I. Stein
Publication: National Nursery Proceedings - 1978
Event:
Nurseryman's conference and seed processing workshop
1978 - Eureka, CA
