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hardiness

National Institutes of Health

Papers overview

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2003
2003
Although the aging literature suggests that there are many paths to later life adjustment, there have been few empirical attempts… 
1995
1995
We investigated changes in photochemical activity and cold hardiness of detached needles of three clones of Picea abies (L… 
1994
1994
The purpose of this study was to examine the relationship of physiologic status, coping, and hardiness to exercise ability and… 
Highly Cited
1991
Highly Cited
1991
Using the Typology Model of Adjustment and Adaptation, a family stress model, relationships among family hardiness, family… 
Highly Cited
1989
Highly Cited
1989
Greenhouse-cultured, container-grown ponderosa pine (Pinus ponderosa var. scopulorum Engelm.), interior Douglas-fir (Pseudotsuga… 
Highly Cited
1969
Highly Cited
1969
An inhibitor extracted from short day treated Acer negundo leaves was compared to abscisic acid in 4 different solvent systems… 
Highly Cited
1968
Highly Cited
1968
The application of gibberellin to Acer negundo either during or after a short photoperiod strikingly lowered the amount of… 
Highly Cited
1953
Highly Cited
1953
Cellular tests which are used in place of actual freezing tests to estimate the resistance to injury by freezing that a plant… 
Highly Cited
1953
Highly Cited
1953
Seasonal changes which occur in the water-insoluble protein nitrogen, the water-soluble protein nitrogen, the water-soluble non…