Morphological Characters and Karyotype of Allium caeruleum Pallas Genetic and Epigenetic Variation in the Cytotype Mixture Population of Actinidia chinensis A Method to Improve Sample Preparation for Observing Stomata Guard Cells in Triticum aestivum Embryogenesis and Plant Regeneration from Unpollinated Ovary Culture of Lily Analysis of Ploidy Segregation and Genetic Variation of Progenies of Different Interploidy Crosses in Actinidia chinensis Analysis of Ploidy Segregation and Genetic Variation of Progenies of Different Interploidy Crosses in Actinidia chinensis Advances in Ploidy Breeding of Fruit Trees Progress in Chromosome Research in Lily Cross-breeding Observation on Ploidy Levels of Lily Cultivars Correlations of Endogenous Hormones and Lycopene Accumulation During Development of Different Ploidy Watermelons Studies on the Interspecific Hybridization in the Genus Fragaria Effect of naphthalencacetic acid and 2, 4-dicholorophenoxyacetic acid on callus cell ploidy and secondary metabolites of Glycyrrhiza uralensis Polyploidy of Foeniculum vulgare induced by colchicine Obtaining of Ponkan (Citrus reticulata Blanco ) Tetraploid by Culturing Embryos of Mature Seeds Analysis on Chromosome Number and Morphology of Varieties in Phalaenopsis Ploidy on Anther Plantlets of The Characters of Pollen Grains and Stomatal Apparatus in Hibiscus L. in Relation to the Ploidy A Comparision among Natural Variations of Dioscorea zingiberensis ISSR Analysis of Genetic Background of Polyploidy Seedless Siraitia grosvenorii and Their Parents Anther Culture of Medicago sativa L. and Ploidy detection. Studies on the Interspecific Hybridization in the Genus Fragaria A New Kiwifruit Variety‘Jinxia’ Spontaneous Generation and SSR Characterization of Polyploids from Ten Citrus Cultivars Correlations of Endogenous Hormones and Lycopene Accumulation During Development of Different Ploidy Watermelons Pollen Morphology of Morus atropurpurea with Different Ploidies Chromosome numbers of some Populus taxa from China Relationship Between Occurrence of Bulbils and Chromosome Number and Ploidy in Pinellia (Araceae) Effect of N+ Implantation on the Inducement of Polyploid Astragalus membranaceus(Fisch.) Bge. var. mongholicus(Bge.) Hsiao Comparison of Leaf Morphology in Different Ploidies of Dioscorea zingiberensis POLLEN MORPHOLOGY AND VIABILITY OF CROCUS SATIVUS L. High Efficient and Extensive Production of Triploid Citrus Plants by Crossing Polyembryonic Diploids with Tetraploids Cucumber in vitro Highly Frequent Regeneration System Establishment from Cotyledons Nodes and Ploidy Identification Establishment of an Autotetraploid Rice Anther Clone with High Frequency and Long Term Plant Regeneration Analysis of Fodder Nutritive Value in the Leaves Harvested at Different Growing Stages and Parts for Tetraploidy Robinia pseudoacacia Studies on Watermelon Ploidy Revertant Studies on Watermelon Ploidy Revertant Study on Differences of Photosynthetic Characteristics in Diploid and Tetraploid of Non-heading Chinese Cabbage Study on Differences of Photosynthetic Characteristics in Diploid and Tetraploid of Non-heading Chinese Cabbage Obtaining of Ponkan (Citrus reticulata Blanco ) Tetraploid by Culturing Embryos of Mature Seeds Analysis on Leaf Morphology and Photosynthesis Physiology of Polyploidized Populus yunnanensis Seedlings Karyotype in fifteen populations belonging to thirteen species of Euphorbia (Euphorbiaceae) in China Differences in stomatal and photosynthetic characteristics of five diploidy wheat species Isolated Microspore Culture and Ploidy Variation of Regenerated Plants in Ornamental Kale Variation of karyotype and ploidy of Androsace yargongensis (Primulaceae) in three population in Q-Z Plateau Karylogical Study of Chinese Old Garden Roses Effects of Subculture Media on Embryogenic Callus Growth and Regenera- tion of Zoysia matrella Cytoembryological Studies in the Development of Endosperm and Embryo in Plantago major L. Fingerprints of SSR Markers and Ploidy Detection for New Populus Varieties Research Progress on Stress Resistance in Polyploidy Plants Glycosmis longipetala F. J. Mou & D. X. Zhang, a new species of Rutaceae from China Studies on Chromosomes of Eight Species of Allium from China Preliminary studies on sequence elimination of reciprocal allotetraploids from Cucumis hystrix and C. sativus Evolution of the life cycle in land plants DNA C-values of 138 herbaceous species and their biological significance Studies on the Hexaploid Interspecific Hybrid and Its Backcross with Cultivarsin Strawberry A New Kiwifruit Variety‘Jinxia’ A Cytogeographical Study of Camellia,Sect.Camellia Ploidy Determination in Cucumber (Cucumis sativus L.) Ploidy Determination in Cucumber (Cucumis sativus L.) The Gnetales: Recent insights on their morphology, reproductive biology, chromosome numbers, biogeography, and divergence times Polyploidy and new chromosome counts in Anaphalis (Asteraceae: Gnaphalieae) from the Qinghai-Tibet Plateau of China Chromosome Ploidy and Related Enzyme Activities of Cymbidium goeringii Rhizome Induced Microspore Embryogenesis and Plant Regeneration of Brassica Plants Changes of Gene Expression Pattern in Polyploid Plants PROGRESS OF APOMIXIS IN POACEAE Molecular Mechanism for Phenotypic Mutation Arisen from Polyploidization in Plant Induction of Polyploids on Mulberry in Tissue Culture AFLP Analysis of Genetic Differences among Cucumber Materials with Different Ploidies Relationship between Chromosome Ploidy and Morphology Characters in Dendrobium Discovery of Heptaploid Allium macrostemon in Daluo Mountain,Zhejiang and the Preliminary Analysis on Its Formation Mechanism Genetic Evolution of Clintonia udensis Trautv. Et Mey. Based on cpDNA Sequencing Determination of Imperatorin in Tetraploidy Radix Angelicae dahuricae Tissue culture andpolyploidy induction of Morinda officinalis POLYPLOID OF Dendranthema lavandulifolium INDUCED BY COLCHICINES Systematic significance of cytology in Cyananthus (Campanulaceae) endemic to the Sino-Himalayan region Applications of Fluorescence in situ Hybridization (FISH/GISH) to Study the Origin and Evolution of Plant Polyploids USE OF FLOW COTOMETRY FOR IDENTIFICATION OF PLOIDY IN APPLE STUDIES OF THE CHROMOSOME NUMBERS AND POLYPLOIDY FOR SOME PLANT IN THE NORTH-EAST QINGHAI-XIZANC PLATEAU Spontaneous Generation and SSR Characterization of Polyploids from Ten Citrus Cultivars High Efficient and Extensive Production of Triploid Citrus Plants by Crossing Polyembryonic Diploids with Tetraploids