HISTOLOGICAL STUDY ON SOMATIC EMBRYOGENESIS OF PANICUM MILIACEUM IN VITRO APPROACH TO GROWTH AND PHYSIOLOGICAL CHARACTERS IN OCTAPLOID PANICUM MILIACEUM L. Biochemical Mechanism of Synergistic Senescence between Root System and Flag Leaf in Broomcorn Millet(Panicum miliaceum L.) The Process and Timing of Embryo Development in Broomcorn Millet(Panicum Miliaceum L.) Effects of genotype, environment and their interaction on the main agronomic traits of Panicum miliaceum Cytological Studies of the Double Fertilization in Panicum miliaceum L. Root Growth of the Annual Tillering Grass Panicum miliaceum in Heterogeneous Nutrient Environments (in English) Gas Exchange in Response to Heterogeneous Nutrient Environments in Panicum miliaceu