八倍体小偃麦与普通小麦杂交后代花药培养的研究 CYTOGENETIC STUDIES OF THE GENOME CONSTITUTIONS OF ELYTRIGIA AND TRITITRIGIA——Ⅱ. MEIOTIC OBSERVATIONS ON THE HYBRIDS BETWEEN OCTOPLOID TRITITRIGIA AND TETRAPLOID WHEAT Structural Association of Endoplasmic Reticulum with Other Membrane Systems in Populus deltoides Apical Bud Cells and Its Alterations During the Short Day-induced Dormancy PRODUCTION AND CYTOGENETICS OF OCTOPLOID ALLOPLASMIC TRITITRIGIA STUDY ON SELECTION AND SYNTHETIC PROCEDURE OF TRITITRIGIA Molecular and Cytogenetical Identification of Offsprings between Common Wheat and Triticum trititrigia(6X) On Breeding dwarf Octoploid Trtitrigia STUDY ON FERTILITY AND MEIOTIC BEHAVIOR OF F1 HYBRIDS BETWEEN ALLOPLASMIC WHEAT LINE, TRITICUM AESTIVUM CV. CHINESE SPRING, AND TRITITRIGIA Cytological Observations of Microsporogenesis and Pollen Development in Triticum Sect. Trititrigia, T. aestivum and Their Hybrids Plant Regeneration from Protoplast of Trititrigia (Triticum sect. trititrigia Maekey) Elytrigia Genome Structure of Hybrid Octoploid Trititrigia and Agropyron glaucum