TY - BOOK AU - Dhillon, Sukhjit Kaur AU - Sidhu, D.S., ad. TI - Genetic variation in poplar (Populus deltoides Marsh.) clones under nursery conditions U1 - Th 634.956 21st ed. KW - Forest nurseries KW - Forests and forestry KW - Genetic variation KW - Heritability KW - Plant breeding KW - Plant genetics KW - Poplar KW - Provenance trials KW - Thesis N1 - Thesis (M.Sc.)-Punjab Agricultural University, Ludhiana, 1999 ER -