Study on C-banding and Karyotype Analysis of Puna Chicory STUDIES ON CHROMOSOMES OF SOME TROPICAL FRUIT TREES IN CHINA THE KARYOTYPE ANALYSIS OF RICE(ORYZA SATIVA) A COMPARATIVE STUDY ONTHE KARYOTYPES IN ALISMA ORIENTALE AND SAGITTARIA SAGITTIFOLIA(ALISMATACEAE) CYTOLOGY OF ENDOSPERM-TRIPLOID IN ZIZYPHUS SATIVA STUDIES ON KARYOTYPES OF PYRUS IN CHINA(1) HETEROGENEOUS SATELLITES OF HOMOLOGOUS CHROMOSOMES OF CUNNINGHAMIA LACEOLATA STUDIES ON CHROMOSOME OF SOME PLANTS FROM GUANDI MOUNTAIN,SHANXI NATURAL DOUBLING OF CHROMOSOMES OF HYBRIDS BETWEEN WHEAT AND RYE STUDIES ON PHOTOPERIODICAL RESPONSE OF WILD RICES STUDY ON KARYOTYPES OF SECT. ABROTANUM OF ARTEMISIA IN NORTHEAST CHINA Study on the Cytology of Rosa multiflora Thunb.var.cathayensis STUDIES ON WHEAT-RYE CHROMOSOMES SUBSTITUTION STUDIES ON RAPD MARKERS SPECIFIC TO GAMETOCIDALCHROMOSOMESAND MOLECULE POLYMORPHISM BETWEEN TRITICUMAESTIVUM AND AEGILOPS SPECIES STUDY ON KARYOTYPES OF ARTEMISIA SECT.ARTEMISIA Y.R.LING. IN NORTHEAST CHINA THRESS ASTER SPECIES FROM SOUHERN QING HAI STUDY ON THE EFFECT OF TOMATO SEEDS PHYSIOLOGY AND BIOCHEMISTRY WITH 60Co-r RAY IRRADIATION EFFECTS OF 60Co-r RAY RADIATION ON TOMATO‘S ROOT TIP CELLS WITH RADIATING TOMATO SEEDS A NEW SPECIES OF ARABIS FROM SICHUAN, CHINA Analysis of Chromosome Behavior of Cannabis sativa L. Karyotypes of 12 Elymus nutans L. in the Northwestern Plateau of Sichuan Province Studies on Morphological and Chromosome Polymorphism of Allium mairei in Kunming Area Karyotypes of Fifteen Populations of Four Species in Maianthemum (Liliaceae) from Southwestern China A Study on the Location and the Effect of the Vernalization Responsive Genes on the Chromosomes of Homoeologous Group 5 of Wheat Analysis of Ploidy in Dedrocalamus latiflorus Plants Obtained by Anther Culture The Analysis of the Biological Characters in Hexapod hybrids Derived from Brassica carinata and B. rapa Chromosome Pairing Behavior and Reproduction in the Hybrid Developed by the Interaction of Different Pollen Sterile Genes in Autotetraploid Rice Relationship between Chromosome Ploidy and Morphology Characters in Dendrobium Karyotype Analysis and Pollen Mother Cell Meiosis Observation in Taraxacum antungense Kitag.(Asteraceae) Optimization of Chromosome Sectioning and Karyotype Analysis of Schisandra sphenanthera Rehd.et Wils. Karyotypes of Six Populations of Four Species in the Genus Mallotus(Euphorbiaceae)from China Screening RAPD Markers Linked to Purple Trait of Chinese Cabbage and Its Chromosome Location Chromosome Karyotype and Pollen Ultrastructure of A Related Species of Sweet Potato Revision of the Taxonomic Status of Tauscheria gymnocarpa Fisch. ex DC. (Brassicaceae) Identification of Chromosome and Fertility of BC1 between Elymus canadensis and E.cylindricus Analysis on Karyotype and Its Evolutional Trend of Ginkgo biloba var. epiphylla Germplasms Resources Karylogical Study of Chinese Old Garden Roses Three Cultivars Karyotype Analysis of Lilium × formolongi The Chromosomes Observation of Several Rare Germplasm in Litchi and Longan Identification and Morphological Analysis of a Rice Chromosome Segment Substitution Line Carrying a Major Effect Gene for Late Heading Date and Mapping of Ehd4-2 Chromosome Number of Trailliaedoxa gracilis (Rubiaceae) Endemic to Jinsha River Valley Development of Pima cotton chromosome segment substitution lines with Gossypium hirsutum background Development of Winter Synthetic Hexaploid Wheat Chromosome Karyotypical Analysis of Six Populations from Atractylodes Species Karyotype analysis of twelve Forsythia species and cultivars Research Progress in the Mechanism of Parthenogenesis Haploid Induction and Doubling on Maize The Effects of Salt Stress on Osmoregulation Substance and Chromosome of Wheat Substitution Lines Chromosome Genetic Analysis of F1 Hybrids between Saccharum officinarum and Erianthus arundinaceus Based on GISH Polyploid Induction on the Hybrid of Miscanthus lutarioriparia×Miscanthus sinensis Pollen Mother Cell Meiosis and Male Gametophyte Development of Atractylodes japonica Meiotic Chromosome Behavior of Pollen Mother Cells and Gamete Fertility in Triploid Grape ‘Summer Black’ Analysis of Karyotypes of 10 Prunus mume Cultivars and 3 Related Species The mutagenic effects of colchicine treatment on chromosome ploidy and the leaf epidermal cells of radicles of Medicago sativa cv. Qingshui STUDY ON THE EFFECTIVE TREATING PERIOD FOR POLLEN CHROMOSOME DOUBLING OF POPULUS TOMENTOSA×P.BOLLEANA