Microarray analysis and plantlets regeneration of the transgenic norway spruce ( picea abies ) for low - content lignin norway spruce is one of the two most important forest tree species in europe and the preferred species for pulp manufacture 挪威云杉( piceaabies )是欧洲的主要用材树种，也是重要的造纸原料树种。其木材的主要成分除纤维素外，还有15 - 36的木质素。
