The Review and Prospect of Plant Polyploid Research The Chromosome Variation of Barnardia japonica Polyploid Complex Uncovered by Giemsa-C Banding Morphology, distribution and chromosome counts of two varieties of Hedychium villosum (Zingiberaceae) Tissue culture andpolyploidy induction of Morinda officinalis Spontaneous Generation and SSR Characterization of Polyploids from Ten Citrus Cultivars POLYPLOID OF Dendranthema lavandulifolium INDUCED BY COLCHICINES Preliminary Studies on Polyploidy Mutation of Cut Flower Gerbera jamesonii Bolus Preliminary Studies on Polyploidy Mutation of Cut Flower Gerbera jamesonii Bolus Phylogeny and molecular evolution of the DMC1 gene in the polyploid genus Leymus (Triticeae: Poaceae) and its diploid relatives Molecular and morphological evidence for a new grass genus, Dupontiopsis (Poaceae tribe Poeae subtribe Poinae s.l.), endemic to alpine Japan, and implications for the reticulate origin of Dupontia and Arctophila within Poinae s.l. Phylogenomics of polyploid Fothergilla (Hamamelidaceae) by RAD-tag based GBS—insights into species origin and effects of software pipelines Phylogenetic relationships in Leymus (Triticeae; Poaceae): Evidence from chloroplast trnH-psbA and mitochondrial coxII intron sequences Applications of Fluorescence in situ Hybridization (FISH/GISH) to Study the Origin and Evolution of Plant Polyploids Polyploidy of Foeniculum vulgare induced by colchicine The genomic imprinting in ployploid plants Cytology of Thirteen Taxa in the Genus Isodon (Lamiaceae: Nepetoideae) from China Obtaining of Ponkan (Citrus reticulata Blanco ) Tetraploid by Culturing Embryos of Mature Seeds Induction of Polyploids on Mulberry in Tissue Culture Detection of the DNA Methylation Difference Between the Triploid and Diploid Poplar Trees Genetic Evolution of Clintonia udensis Trautv. Et Mey. Based on cpDNA Sequencing Comparison of 7 Genetic Similarity Coefficients Based on Microsatellite Markers in Rose Variety 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 Molecular Mechanism for Phenotypic Mutation Arisen from Polyploidization in Plant Cloning and Characterization of a Differentially Expressed Phenylalanine Ammonialyase Gene (IiPAL) After Genome Duplication from Tetraploid Isatis indigotica Fort. 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 STUDIES OF THE CHROMOSOME NUMBERS AND POLYPLOIDY FOR SOME PLANT IN THE NORTH-EAST QINGHAI-XIZANC PLATEAU ISSR Analysis of Genetic Background of Polyploidy Seedless Siraitia grosvenorii and Their Parents Effect of N+ Implantation on the Inducement of Polyploid Astragalus membranaceus(Fisch.) Bge. var. mongholicus(Bge.) Hsiao Karyotypes of Five Leontopodium Species from the Southeastern QinghaiTibet Plateau, Southwest China Obtaining of Ponkan (Citrus reticulata Blanco ) Tetraploid by Culturing Embryos of Mature Seeds Karyotype analysis and polyploidy in Palaua and a comparison with its sister group Fuertesimalva (Malvaceae) Phylogenetic and cytogenetic studies reveal hybrid speciation in Saxifraga subsect. Triplinervium (Saxifragaceae) Spontaneous Generation and SSR Characterization of Polyploids from Ten Citrus Cultivars KARYOTYPE STUDIES AND OBSERVATION ON PLOID VARIATION IN FOUR CUCUMBER CULTIVARS(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 Polyploid Mutant Seedlings Induction and Ploidy Identification of Chinese Fir Systematic significance of cytology in Cyananthus (Campanulaceae) endemic to the Sino-Himalayan region Identification and Genetic Expressions of Lily Hybrids Obtained by Different Ploidy Cross Combinations Identification and Genetic Expressions of Lily Hybrids Obtained by Different Ploidy Cross Combinations Endopolyploidization Phenomenon of Chinese Cabbage (Brassica rapa ssp. pekinensis) Optimization and preliminary study on the PCR-RFLP parameter of polyploidy Siraitia grosvenorii Dynamic change rules in fruit growth and mogrol glycoside content of Siraitia grosvenorii with different ploidies Research Progress on Stress Resistance in Polyploidy Plants Genetic and Epigenetic Variation in the Cytotype Mixture Population of Actinidia chinensis Changes of Gene Expression Pattern in Polyploid Plants PROGRESS OF APOMIXIS IN POACEAE ISSR Analysis of Genetic Background of Polyploidy Seedless Siraitia grosvenorii and Their Parents