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Variation of drought resistance and root regeneration among genotypes of Port-Orford-cedar (Chamaecyparis lawsoniana)

Creator:

Sharpe, Jodie M.

Abstract:

Drought resistance among genotypes of Port-Orford-cedar (Chamaecyparis lawsoniana (A. Murr.) Pan., Cupressaceae) seedlings was evaluated both in the field and in the greenhouse. Field water potentials (Ψ) of 5-year-old seedlings were measured at two high-elevation plantation sites where summer drought occurs. Measurements of Ψ were compared to survival two years...

Resource Type:

Masters Thesis

Full Text:

) Abstract approved Donald . ZobeL. Drought resistance among genotypes of Port-Oford-cedar (Chamaecyparis
Comparison of the water relations characteristics of woody plants in western Oregon

Creator:

Davis, Kent J.

Abstract:

I studied the water relations traits, twig conductivity, C'3 isotopic composition, and wood density of three conifer and five angiosperm species in western Oregon. This study took place from spring 2002 to fall 2003 on four sites. Species were selected to represent the diversity of drought tolerance of woody plants...

Resource Type:

Masters Thesis

Full Text:

Redacted for Privacy ACKNOWLEDGEMENTS I wish to express sincere appreciation to Dr. Donald Zobel, Dr