Preliminarily Study on Formation and Cytological Mechanism of Unreduced Male Gametes in Different Ploidy Phalaenopsis Study on the Development of Gametophyte of Blechnum orientale under the Condition of Liquid Medium Megasporogenesis and Development of Female Gametophyte in the Apomictic Monosomic Addition Line M14 of Beta corolliflora in Sugar Beet Primary Study on Effect Factors for Gametophyte Development of Drynaria fortunei Observation on the Gametophyte Development of Dryopteris subtriangularis Experimental Observations on the Gametophyte Development of Pylaisiella polyantha Megasporogenesis,Microsporogenesis and the Development of the Female and Male Gametophyte of Puccinellia tenuiflora A Study on the Embryology of Endangered Plant Manglietia aromatica A New Species of Genus Chloromonas (Chlamydomonadaceae, Volvocales) and Its Life History CROSSABILITY OF WHEAT WITH RYE AND CHARACTERISTICS OF MALE GAMETES DEVELOPING OF A WHEAT/RYE HYBRID PROGRESS AND PROSPECT OF GAMETO-SOMATIC HYBRIDIZATION IN ANGIOSPERM Study on Morphologic and Cytogenetic Characterization of fertile offspring from Zea. may×Zea.perennis Pollen Viability and Male and Female Gametophyte Development in Houttuynia cordata Thunb. Study on the Morphodifferentiation and Anther Structure in Flowers of Cardiospermum halicacabum Linn. Creation and Identification of ‘Chinese Spring’ wheat Elytrigia elongata Translocation Lines Gametophyte Development and Its Diversity in Cibotium barometz Embryosac Development of‘‘‘‘ Tosa-Buntan‘‘‘‘ Pummelo [Citrus grandis (L.) Osb. ] and Generational Chromosome in Somatic Cells Pollen Mother Cell Mitosis and Male Gametophyte Development in Brassica oleracea L. var. italica Plenck Microsporogenesis and Male Gametophyte Development in Thellungiella halophila Megasporogenesis, Microsporogenesis and Developments of Male and Female Gametophytes in Limonium otolepis Male Gametophyte Development in Autotetraploid Radish Anatomic Study of Salvia miltiorrhiza Microsporogenesis and Male Gametophyte Development Anatomical Study of Fruit Setting and Male and Female Gametophytes in Pyrus ussuriensis Cytological Studies on Microsporogenesis and Male Gametophyte Development of Amphidiploid of Cucumis hytivus in Cucumis STUDIES ON OBTAINING TRIPLOIDS BY COLCHICINE TREATING FEMALE FLOWER BUDS OF WHITE POPLAR Self-hybridized Triploids Derived from 2n Gametes Induced by Colchicine inPummelo Self-hybridized Triploids Derived from 2n Gametes Induced by Colchicine inPummelo Studies on Gametophyte Development and Spore Propagation of Aleuritopte risargentea Embryological Study on Mosla chinensis (Lamiaceae) Megasporogenesis and microsporogenesis as well as male and female gametophyte development of Pittosporum tobira STUDIES ON THE MALE STERILITY IN WHEAT(T.AESTIVUM)INDUCED BY NEW GAMETOCIDE——WL84811 ABORTED GAMETOPHYTE 1 is required for gametogenesis in Arabidopsis Observations on Megasporogenesis and Megagametophyte Development in Paulownia sp and Sesamum indicum by Enzymatic Maceration Technique Observations on the Developmental Femal Gametophyte and the Process of Fertilization of Amcmum visllosum Lour. Induced Chromosome Aberrations of Wheat by Gametocidal Chromosome and Cytogenetic Study of Their Offsprings Studies on Microspores Development and Male Gametophytes Formation of Ostryopsis davidiana Decne. Gametophyte Development of Boniniella ikenoi Content Dynamics of Endogenous Hormones in Different Seed Developmental Stages of Korean Pine Megasporogenesis, Female Gametophyte Development and Embryogenesis in Critically Endangered Glyptostrobus pensilis STUDIES ON MEGASPOROGENESIS AND THE DEVELOPMENT OF FEMALE GAMETOPHYTE IN FRAXINUS MANDSHURICA THE EFFECT OF GAMETOCIDAL CHROMOSOME 2C DERIVED FROM AEGILOPS CYLINDRYCA ON MEIOSIS AND MITOSIS OF POLLEN GRAINS OF TRITICALE Effects of Light Intensity on Spore Germination and Sex Differentiation of Ceratopteris thalictroides(L.) Brongn. The Gametophyte Development of Athyrium fallaciosum and Effect of Sowing Density on the Gametophyte Sexual Expression Gametophyte Development and Apogamy of the Fern Cheilosoria chusana Comparative Studies on Gametophyte Morphology and Development of Four Species of Athyriaceae THE MICROSPOROGENESIS AND THE F0RMATION OF MALE GAMET0PHYTE OF TWO SPECIES IN PARIS L. Construction of Molecular Linkage Map in Masson Pine Using RAPD Markers and Megaga metophytes from a Single Tree Pollen-Mesophyll Protoplast Fusion and Hybrid Plant Regeneration in Nicotiana Induction and Differentiation of Callus from Female Gametohyte Explants of Pinus bungeana Zucc. and P. tabulaeformis Carr. Origin of Megagametophytes with Supernumerary Egg Cells Occurring in Oryza sativa Individual reproductive contributions in a population of Cyclobalanopsis glauca in Huangshan Sporogenesis,Gametogenesis in Zephyranthes candida and Their Systematic Significances Comparative Study about Development of Microgametopyte of Two Endangered Endemic Quillwort Species in China Development of Gametophytes of Tectaria decurrens and Tectaria fauriei STUDIES ON THE MEGAGAMETOPHYTE DEVELOPMENT IN PANAX JAPONICUS C.A.MEY OBSERVATIONS ON THE DEVELOPMENT OF FRITILLARIA TYPE OF EMBRYO SAC IN LILIUM LANCIFOLIUM BY MEANS OF ENZYMATIC MACERATION STUDY ON MICROSPOROGENESIS AND DEVELOPMENT OF MALE GAMETOPHYTE OF PINUS YUNNANENSIS FRANCH. THE MICRO-AND MEGASPOROGENESIS AND THE DEVELOPMENT OF MALE AND FEMALE GAMETOPHYTE OF LYCIUM BARBARUM L. Regeneration of Hybrid Plantlets Via Pollen-Hypocotyl Protoplast Fusion in Brassica spp. Studies on the Development of Gametophytes in Cornus officinalis (Cornaceae) Observation on gametophyte development of Cibotium barometz Fruit Growth and Female Gametophyte Development in Paphiopedilum barbigerum Tang et Wang Megasporogenesis, Development of Megagametophyte and Embryo in Flaveria bidentis (L.) Kuntze Studies on the Gametophyte Development of Phanerophlebiopsis blinii (Lévl.) Ching (Dryopteridaceae) Studies on the Gametophyte Development of Hypodematium crenatum (Forssk.) Kuhn Describe relationship among multi-components of Siwu decoction using game theory Ontogeny of Pollen and Pollination in Keteleeria fortunei 杜仲胚胎学的研究——Ⅱ.雄配子体的发育 OBSERVATIONS ON THE DEVELOPMENT OF MICROSPORANGIUM AND THE EMERGENCE OF MALE GAMETOPHYTE IN WATERMELON (CITRULLUS LANATUS) LOCALIZATION OF ACID PHOSPHATASE ACTIVITY DURING DEVELOPMENT OF MEGAGAMETOPHYTE IN WHEAT Embryology of Juglans mandshurica Maxim.(Ⅰ) the Microsporogenesis,and the Development of Male Gametophytes Megasporogenesis,Microsporogenesis and Development of Gametophytes in the Rare Endangered Plant Manglietia patungensis Hu Studies on the Development of Gametophytes of Three Species in Blechnacea Microstructural Observation on the Development of Gametophytes and Oogenesis in the Fern Stenoloma chusanum Studies on the Induction of 2n Gamete in Chinese Cabbage and the Production of Tetraploid by Sexual Polyploidization Studies on the Induction of 2n Gamete in Chinese Cabbage and the Production of Tetraploid by Sexual Polyploidization CURRENT RESEARCHES ON UNREDUCED GAMATE FORMATION AND ITS UTLIZATION IN PLANT BREEDING MICRO, MEGASPOROGENESISES AND THE DEVELOPMENT OF MALE AND FEMALE GAMETOPHYTES IN PARASENECIO ROBOROWSKII Study on the Development of Ovule and Female Gametophyte in Alpinia henryi Study on the Editing Sites in Transcripts of Functional Genes of HL-cytoplasmic Male Sterility Rice Mitochondria during Microgametogenesis