%0 Journal Article %T Proteases associated with programmed cell death of megagametophyte cells after germination of white spruce (Picea glauca) seeds %A He, Xu %A Kermode, Allison %J Plant Molecular Biology %V 52 %N 4 %P 729-744 %@ 0167-4412 %D 2004-10-07 %I Kluwer Academic Publishers %~ DeepDyve