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    • Biologi Bunga Kembang Kertas (Zinnia elegans. Jacq) Populasi M2 Hasil Irradiasi Sinar X 

      Gultom, Tumiur; Purwantoro, Aziz; Sulistyaningsih, Endang; Nasrullah, Nasrullah (Jurnal Visi Universitas HKBP Nommensen Medan, 2012-06-01)
      The aim of this research was to study the morphology and anatomy of mutant Zinnia elegansJacq induced by X-ray with three doses (0,25; 0.50 and 1.0 krad). Seeds of Zinnia elegansJacq single ray floret and white color) was ...