Changes in Endogenous Abscisic acid Content and Germination Ability of Acer mono Seeds during Seed Development and Cold Stratification Seed Dormancy Characteristics of Kolkwitzia amabilis Graebn EFFECTS OF LIGHT TEMPERATURE AND CHEMICAL TREATMENT ON GERMINATION OF TETRACENTRON SINENSIS SEEDS Seed Dormancy-breaking and Germination Requirements of Two Atraphaxis Species Seed Dormancy and Germination in Endangered Plant Podophyllum hexandrum Royle Adaptation strategies of seed dormancy and germination of Psammochloa villosa , a sand dune grass inhabiting Ordos Plateau, China Seed Dispersal and Germination of an Endangered and Rare Species Urophysa rockii (Ranunculaceae) Seed Germinating Characteristics of the Endangered Plant Abies chensiensis Studies on Dormancy and Germination of “Two-Year Seeds” Influencing Factors to Seed Dormancy and Germination Characteristics of Sorbus pohuashanensis Dynamic Variation Characteristic of Endogenous Hormone Content in Cornus macrophylla Seeds during Cold Stratification Seed Dormancy and Germination Characteristics of Four Cyperaceae Species Seed Dormancy Characteristics of Kolkwitzia amabilis Graebn