The numbers of dormancy seedlings and dormancy buds had significantly positive correlation with the numbers of tuft size and total tillers in the dormancy modules of P. sphondylodes clones.

• 硬质早熟禾无性系冬眠构件中冬眠苗数和冬眠芽数均与丛径和总集数之间呈极显著的正相关关系。