Biosystematic studies of Kengyilia melanthera and K. kokonorica (Poaceae: Triticeae) Genome differentiation in Magonoliaceae as revealed from meiotic pairing in interspecific and intergeneric hybrids Cytogenetic and Morphological Studies of Hybrids Between Kengyilia mutica and Roegneria kamoji (Poaceae:Triticeae) Biosystematic Studies of Kengyilia stenachyra(Poaceae:Triticeae) The Genome Constitution of Roegneria Grandis Keng et S. L. Chen (Poaceae: Triticeae) Studies on Breeding Value of Three Intergeneric Hybrids Between Chrysanthemum and Tanacetum,Ajanina and Crossostephium Studies on Breeding Value of Three Intergeneric Hybrids Between Chrysanthemum and Tanacetum,Ajanina and Crossostephium