共 27 条
- [1] THE EFFECT OF TOP PRUNING, GIRDLING, AND GIBBERELLIN-A4/7 APPLICATION ON THE PRODUCTION AND DISTRIBUTION OF POLLEN AND SEED CONES IN SITKA SPRUCE CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1985, 15 (06): : 1125 - 1128
- [7] Effects of gibberellin A(4/7) stem injection on seed cone production in mature black spruce CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1997, 27 (08): : 1325 - 1328
- [10] TIMING OF GIBBERELLIN A4/7 APPLICATION FOR CONE PRODUCTION IN POTTED BLACK SPRUCE GRAFTS CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 1991, 21 (07): : 1137 - 1140