Embryological Studies on Sagittaria guayanensis H. B. K. Subsp. lappula (D. Don) Bojin (Alismataceae) Sporogenesis and Gametogenesis of Endangered Adenophora lobophylla Hong (Campanulaceae) A logistic model for the stability of a symbiotic system for the coal and electricity industries STUDIES ON THE DEVELOPMENT OF MALE CELLS OF THIRD GENERATIONOF THE STRATOSPHERE RADIATIVE MILLET STUDIES ON INCREASING FERTILITY OF DISTANT HYBRID BY IRRADIATION OF ANDROGAMETES OF WHEAT Megasporogenesis, Microsporogenesis and the Development of the Female and Male Gametophyte of Limonium gmelinii The genesis of microspore and the formation of male gametophyte in Swertia davidii Franch. Studies on the development of gametophyte of Ceratopteris thalictroides Observations on megasporogenesis, microsporogenesis and development of female and male gametophytes of Tamarix chinensis(Tamaricaceace) Studies on microsporogenesis and the formation of malegametophyte in Iris blowdowill Observation on the gametophyte development of Phymatosorus hainanensis(Polypodiaceae) The development of megasporogenesis and the formation of female gametophyte in Dysosma versipellis STUDEES ON THE GAMETOPHYTES DEVELOPMENT IN FERNS STUDY ON THE MORPHOLOGY AND DEVELOPMENT OF THE ARCHEGONIUM AND ANTHERIDIUM OF THE FERN OSMUNDA CINNAMOMEA THE GENESIS OF MICROSPORE AND THE FORMATION OF MALE GAMETOPHYTE IN DYSOSMA VERSIPELLIS(HANCE)M.CHENG STUDY ON SELECTION AND SYNTHETIC PROCEDURE OF TRITITRIGIA STUDY ON THE DEVELOPMENT OF GAMETOPHYTES OF FERNS FROM NORTH- EASTERN CHINA X. WOODISIACEAE STUDIES ON THE MEGASPOROGENESIS AND MICROSPOROGENESIS AND THE DEVELOPMENT OF THEIR FEMALE AND MALE GAMETOPHYTE IN ELEUTHEROCOCCUS BRACHYPUS The Differentiation of Flower Bud and Development of Male Gametophyte in Calycanthus chinensis Studies on Gametophyte Development and Spore Propagation of Nephrolepis auriculta and N. falcata Studies on Gametophyte Development and Spore Propagation of Nephrolepis auriculta and N. falcata Comparison of Flower Anatom ica l Structure of Double Flower and Proliferation Flower Cultivars in Nelumbo nucifera During Flower Bud DifferentiationProcesses A New Lilium oriental L. Cultivar ‘East Red’ Studies on Gametophyte Development and Spore Propagation of Aleuritopte risargentea A New Lilium oriental L. Cultivar ‘East Red’ A New Lilium oriental L. Cultivar ‘China Red’ Development Process of Male Gametophyte in Autotetraploid Broccoli Embryological Studies on Endangered Ophiopogon xylorrhizus (Liliaceae) Megasporogenesis, Microsporogenesis and Development of Gametophytes in Eleutherococcus senticosus (Araliaceae) Studies on the Development of Gametophyte in Diplazium subsinuatum A Study on Gametophytes development of Arthromeris lungtauensis Megasporegenesis and Female Gametophyte Development in Berberis pruinosa Franch. Observation on Megasporogenesis, Microsporogenesis and Development of Female and Male Gametophytes of Catalpa speciosa Warder Sporogenesis and Gametogenesis of Calla Lily(Zantedeschia hybrids) Effects of Pb2+ on Spore Germination and Gametophyte Development of Three Species of Fern Genetic Analysis of Male Gamete Abortion in Pinellia ternata Development Process of Male Gametophyte in Autotetraploid Broccoli A New Lilium oriental L. Cultivar ‘China Red’ Comparison of Flower Anatom ica l Structure of Double Flower and Proliferation Flower Cultivars in Nelumbo nucifera During Flower Bud DifferentiationProcesses Megasporogenesis,Microsporogenesis and Development of Female and Male Gametophyte of Nicotiana debneyi Ovule Development and Seed Formation of Calanthe tsoongiana T.Tang et F.T.Wang The macrosporogenesis and female gamephyte development of Psathyrostachys huashanica Cytological characteristic on microsporogenesis and male gametophyte development of (Triticale/Tritileymus) F1 In Vitro Fertilization of Angiosperms—10 Year Effort in China Embryogenesis of Polyembryonic Rice ApⅢ: Structural and Histochemical Studies of Egg Apparatus Around Fertilization Farina Observation in Gametophytes of Aleuritopteris squamosa (Pteridaceae), with Comments on Its Phylogenetic Significance Female Gametophyte Development and Endangered Mechanism Research in Isoetes yunguiensis Comparison of Megasporecyte Development, Pollination and Early Embryonic Development between Large-and Abortive-seeded Longan (Dimocarpus longan) Microsporogenesis and Male Gametophyte Development of Torenia fournieri Meiosis, Male Gametophyte Development and Flower Morphology of Erigeron breviscapus Gametophyte Development of Adiantum malesianum Chatak Studies on Microsporogenesis and Male Gametophyte Development of Flaveria bidentis (L.) Kuntze Microsporogenesis and Male Gametophyte Development in Uncaria hirsuta Havil. (Rubiaceae) Studies on Microsporogenesis and Development of Male Gametophyte in Tsoongiodendron odorum Chun Gametophyte Development and Ecological Significance of a Xeric Fern Gymnopteris vestita Macrosporogenesis and Female Gametophyte Development of Prunus mahaleb Cytological Study on Pollen Mother Cell Mitosis and Male Abortion in Platycodon grandiflorum Microsporogenesis and Male Gametophyte Development of Caragana korshinskii Kom. Microsporogenesis and Formation of Male Gametophyte in Swertia hickinii Burk.and Their Systematical Implications Research Progress on Mechanisms of Sporophytic and Gametophytic Control of the Pollen Tube Growth and Guidance Megasporogenesis, Microsporogenesis and Development of Gametophytes of Elaeagnus mollis Determination of S Genotypes of Seven Cultivars and Identification of a Novel S RNase Allele in Pyrus pyrifolia Detection of the Molecular Marker and Chromosomal Segment linked to Unreduced Gamete Gene in Common Wheat Transmission and Genetic Stability of No-homoeologous Small Fragment Wheat–Haynaldia villosa Translocation Chromosomes with Pm21 in Various Cultivar Backgrounds of Common Wheat FEMALE GAMETOPHYTE DEVELOPMENT AND EMBRYOGENY IN CYMBIDIUM SINENSE(ANDR.)WILLD. A study on the development of stigma and megagametophyte, and embryogeny in Cimicifuga simplex Wormsk A New Steroidal Glycoside from Fermented Leaves of Agave americana The cooperative environmental game model in the Tidal River Network Regions and its empirical research STUDIES ON POLLEN-SOMATIC PROTOPLAST FUSION BETWEEN BRASSICA CHINENSIS AND B. JUNCEA MICROSPOROGENESIS, MEGASPOROGENESIS AND THE DEVELOPMENT OF MALE AND FEMALE GAMETOPHYTE IN ALLIUM CHINENSE G.DON Embryological Studies on Momordi cacharantia L. Blooming and Fruiting Habits,Microspore Genesis and Development of Male Gametes of Trigonobalanus doichangensis Observations on the Spore Germination and Prothallium Development of Ferns Genomic Exchange and Rearrangement and Its Effect on Fertility of Male Gametophyte in Cucumis hytivus herders‘ desirable stocking rates and methods for implementing a sustainable grass-animal balance in the rangeland regions of northern China Embryology of Astragalus mongholicus Bge. Isolation of Viable Male and Female Gametes in Cunninghamia lanceolata Further Studies on Microtubule Organizational Changes During Megagametogenesis in Rice Embryo Sac Sex differentiation in ferns response to environmental factors Ultrastructural study on the development of male gametophyte in Paeonia lactiflora