Citation: Ga. Ritchie, EVIDENCE FOR RED-FAR-RED SIGNALING AND PHOTOMORPHOGENIC GROWTH-RESPONSE IN DOUGLAS-FIR (PSEUDOTSUGA-MENZIESII) SEEDLINGS, Tree physiology, 17(3), 1997, pp. 161-168
Citation: Ga. Ritchie et al., EFFECTS OF SHADE AND ROOT CONFINEMENT ON THE EXPRESSION OF PLAGIOTROPIC GROWTH IN JUVENILE-ORIGIN DOUGLAS-FIR ROOTED CUTTINGS, Canadian journal of forest research, 27(7), 1997, pp. 1142-1145
Citation: Ga. Ritchie et Jw. Keeley, MATURATION IN DOUGLAS-FIR .1. CHANGES IN STEM, BRANCH AND FOLIAGE CHARACTERISTICS ASSOCIATED WITH ONTOGENIC AGING, Tree physiology, 14(11), 1994, pp. 1245-1259
Citation: Ga. Ritchie et al., MATURATION IN DOUGLAS-FIR .2. MATURATION CHARACTERISTICS OF GENETICALLY MATCHED DOUGLAS-FIR SEEDLINGS, ROOTED CUTTINGS AND TISSUE-CULTURE PLANTLETS DURING AND AFTER 5 YEARS OF FIELD GROWTH, Tree physiology, 14(11), 1994, pp. 1261-1275
Citation: Ga. Ritchie et al., FIELD SURVIVAL AND EARLY HEIGHT GROWTH OF DOUGLAS-FIR ROOTED CUTTINGS- RELATIONSHIP TO STEM DIAMETER AND ROOT-SYSTEM QUALITY, Forest ecology and management, 60(3-4), 1993, pp. 237-256