CYTOLOGICAL EFFECTS OF SYNCHRONOUS IRRADIATION(SOFT X\|RAYS)ON RICE CYTOLOGICAL EFFECTS OF SPACE ENVIRONMENT ON RICE BIOLOGICAL EFFECTS OF PROTONS IRRADIATION ON RICE CYTOLOGICAL EFFECTS OF POLLEN IRRADIATION ON WHEAT× Leymus angustus Hybrids STUDY ON MUTAGENIC EFFECTS OF MAGNETIC FIELD-FREE SPACE ON DRY RICE SEED THE CORRELATION BETWEEN MICRO AND MEGA SPOROGENESIS‘S DEVELOPMENT AND MORPHOLOGY OF FLOWER ORGAN OF TETRAPLOID BLACK LOCUST Morphological,Cytological Observation of Pollen Grains and Expression of Related Genes in Semi-sterile Grapes Cytological Study of Pollen-mediated Plant Transformation Method Based on GFP Observation Cytological and SSR Analysis on Cold tolerant Gene Introgression Lines from Dongxiang Wild Rice Androgenesis and Embryogenesis in Isolated Microspore Culture of Capsicum annuum L. Mechanism of Embryo Abortion in Stenopermocarpic Seedless Grape CYTOLOGICAL AND MUTAGENIC EFFECTS OF IONS IMPLANTATION ON RICE PLANTS Creation and Cytological, Biochemical, Molecular Identification of Alien Disomic Substitution Lines with BYDV-resistance from Triticum aestivum-Agropyron intermedium Hybrids Cytological Identification and Breeding Course of Hevea ‘Yunyan 77-2’ and ‘Yunyan 77-4’ Study on Growth,Development and Cytogenetics of Elymus canadensis×E.dahuricus Hybrid F1 Intergeneric Hybridization and its Cytological Analysis of Elymus dahuricus and Hordeum brevisubulatum In Vitro Tetraploid Induction and Its Identif ication in Anthurium andraeanum Cytological Study on Acorus L. in Southwestern China, with Some Cytogeographical Notes on A. calamus Comparative Studies on the Development of Male and Female Gametophytes Between Fertile Line and Male Sterile Line’s Flowers of Tagetes erecta L. Cytological Methods in Fern by Using Embryo and Young Sporophyte A CYTOLOGICAL OBSERVATION ON POLLEN ABORTION IN A NEW TYPIC CYTOPLASMIC MALE-STERILE WHEAT Studies on the Taxonomical Position of 17 Rare Germplasms in Hibiscus Cannabinus L. Development and Abortion of the Ovules, Endosperms and Embryos of Flame Seedless Grape Effects of NaCl on seed germination and seedling growth of Halocnemum strobilaceum TETRAPLOID INDUCTION AND CYTOLOGY IDENTIFICATION OF Clematis heracleifolia The Cytological and Fertility Studies on Intersubgenomic Hybrids (ArAnCcCn) in Brassica napus CAT CYTOLOGICAL OBSERVATION ON CALLUS PRODUCTION AND EMBRYOGENESIS OF Gossypium hirsutum L. Karyotype analysis and cytological observation of mitosis in pasqueflower Preliminarily Study on Formation and Cytological Mechanism of Unreduced Male Gametes in Different Ploidy Phalaenopsis Preliminarily Study on Formation and Cytological Mechanism of Unreduced Male Gametes in Different Ploidy Phalaenopsis Construction of Genomic Fosmid Library of Brassica juncea and Screening of Cytological Markers for B-genome Chromosomes Cytological Investigation of Somatic and Zygotic Embryogenesis of Fraxinus mandshurica Development of Male and Female Gametophytes between Fertile Line and Male Sterile Line’s Flowers of Catalpa bungei C.A.Meyer. 麦类作物多胚的研究:Ⅲ.高原602双胚苗的细胞学类型 Root Meristematic Karyon Size: Possible New Index in the Evaluation of Plant Invasiveness Androgenesis and Embryogenesis in Isolated Microspore Culture of Capsicum annuum L. In Vitro Tetraploid Induction and Its Identif ication in Anthurium andraeanum Identification of Dwarfing Wheat Germplasm SN224 and Analysis of QTLs for Its Agronomic Characters MUTAGTNIC EFFECT OF SOME NEW MUTAGENS ON RICE CYTOLOGICAL EFFECT OF γ RADIATION ON vicia faba POLLEN