Investigation on the Factors Leading to Infertility in the Cross BetweenDendranthema lavandulifolium and D. grandif lorum ‘Jin ling Huangyu’ Floral Syndrome and Breeding System of Agapanthus praecox ssp. orientalis‘Big Blue’ Vegetation Changes and Environmental Evolution in the Urumqi River Head, Central Tianshan Mountains Since 3.6 ka BP: a Case Study of Daxigou Profile Middle Jurassic Sporo-pollen Assemblage from the Yan‘an Formation of Dongsheng, Nei Monggol, China Histological Research on Low Seeded Rate of Hybridization Between ‘Mopanshi’and Sweet Persimmon Histological Research on Low Seeded Rate of Hybridization Between ‘Mopanshi’and Sweet Persimmon Plant-Caused Pollution and Its Influence on Human in Urban Area Pollen Morphology of Several Species in Catalpa and Its Taxonomic Significance In Vitro Pollen Tube Growth and Distribution of Microfilaments in Pollen Tube of Pinus tabulaeformis Anatomical Characteristics of Self-Incompatibility in Camellia oleifera POLLEN MORPHOLOGY OF TRILLIUM POLLEN MORPHOLOGY OF CRYPTERONIACEAE STUDY ON THE POLLEN MORPHOLOGY OF CHINESE ELAEOCARPACEAE STUDIES ON THE POLLEN MORPHOLOGY OF THE GENUS JASMINUM A STUDY ON INDUCING WHEAT P0LLEN PLANT USING SIMPLIFIED CULTURE MEDIUM OF SECHIUM EDULE (JACQ. ) SW. Purification technology of steviol glycosides by macroporous adsorption resin Determination of four fatty acids in active fraction with anti-prostate hyperplasia of rape bee pollen by HPLC-ELSD Pollen Assemblage Features of Modern Water Samples from the Shiyang River Drainage, Arid Region of China Mapping of S-bLocus for F1 Pollen Sterility in Cultiv ated Rice Using PCR Based Markers Spores and Pollen from Crude Oils of Weizhou Oilfield in Beibu Gulf of South China Sea Petroleum Sporo-pollen Assemblages and Petroleum Source Rocks of North Tarim Upheaval in Xinjiang The Mechanism of Pollination in Platycladus orientalis and Thuja occidentalis (Cupressaceae) Measuring Pollen Flow in Entomophilous Plants by Pollen Grain Dyeing New High Resolution Pollen Records from Two Lakes in Xizang (Tibet) The Acid-alkali-free Analysis of Quaternary Pollen Palynological Evidence for the Tertiary Petroleum Source of the Qaidam Basin Immunoblots of Integrin-like Proteins in Pollen Tube Membrane of Hemerocallis citrina Distribution of F-actin and Microtubules in Pollen and Pollen Tube of Lilium davidii Climatic Response Surface from Pollen Data for Four Arboreal Taxa in North China Late Holocene Vegetation in Maili Region, Northeast China, as Inferred from a High-Resolution Pollen Record Observations on Abnormal Meiosis of Pollen Mother Cells in Paeonia suffruticosa subsp. spontanea Establishment of an Experimental System for Artificial Germination and in vitro Pollination with De-Exined Pollen in Nicotiana tabacum Brassica De-Exined Pollen as a New Experimental System for Studying Pollen Germination Palynological Evidence for Jurassic Petroleum Source of Qaidam Basin Pollen-Mesophyll Protoplast Fusion and Hybrid Plant Regeneration in Nicotiana Character of a Nology and Changes of Monsoon Climate Over the Last 10000 Years in Gucheng Lake, Jiangsu Province Exine-Detached Pollen of Nicotiana tabacum as an Electroporation Target for Gene Transfer Spores and Pollen from Crude Oil of Kashi Depression, Xinjiang Sporo-Pollen Dissemination and Quantitative Character of Surface Sample of Manzhouli-Dayangshu Region Effects of Nifedipine on Pollen Germination, Pollen Tube Growth and Division of Generative Nucleus in Nicotiana tabacum Study on Surface Pollen in Middle Inner Mongolia, China Isolation and Artificial Germination of De-exined Pollen in Brassica Intrinsic GUS Activity in Various Tissues and During Pollen Development of Nicotiana tabacum Isolation of Pollen Protoplasts in Nicotiana tabacum Westphalian Sporo-Pollen Assemblages from the Upper Carboniferous in Zhongwei, Ningxia Effects of high temperature stress on pollen characters and anther microstructure of rice A model for simulating rice pollen dispersal MIS3b vegetation and climate changes based on pollen and charcoal on Qianxi Plateau In Vitro Effects of Stylar S-RNase of Pear on the Ultra-structure of Its Pollen Tubes Pollen Morphologies of Typhonium Schott and Its Genetically Close Genera (Araceae) Composition of Microfilament Skeleton and Its Regulatory Effects on Polar Growth of Pollen Tubes A study on the content of flavonoids in bee-pollen of Brassica campestris from Qinghai Transforming Anti-TrxS gene into wheat by means of pollen tube pathway and ovary injection Cytological studies on pollen abortion of male sterile lines with Aegilops bicornis cytoplasm in wheat Pollen viability,stigma receptivity and pollinators of Weigela florida The obtaining of transgenic cottons resistant to premature senescence Cluster analysis on pollen morphology of the Tamaricaceae from China A review on regulatory effect of G protein on pollen tube growth Pollen morphology of the genus Peucedanum from Sichuan and its systematic significance STUDIES ON ALLOTRIPLOID BREEDING OF POPULUS TOMENTOSA B301 CLONES VARIATION IN FRUITING ABILITY OF INTERSPECIFIC CROSSING AND MECHANISM OF SELF-DEPRESSION IN LARIX Taxonomic significance of the pollen morphology of sect. Racemosae (Impatiens) Pollen Morphology of Maloideae of China (Rosaceae) Study on Mating System of 3 Elymus spp. Optimization of Extraction Technology of Antioxidant Components From Ginkgo Pollen Pollen Morphology and Epidermal Characters of Leaves in Convallarieae (s. l.) Investigation on Embryology of Anemarrhena asphodeloides A Study on Pollen Morphology of Potamogeton, Zannichellia and Triglochin from China A Study on Pollen Morphology and Ultrastructure of Subfamily Castaneoideae (Fagaceae) in China Studies on the Pollen Morphology of the Genus Brassica (Cruciferae) in China Pollen Morphology of Cyclobalanopsis and Its Relation to Quercus Pollen Morphology of the Family Zingiberaceae in China—Pollen Types and Their Significance in the Taxonomy A Study on Dichocarpum (Ranunculaceae) Studies On the Pollen Morphology of the Genus Iris in China Studies on the Pollen Morphology of Tribe Zizipheae of Rhamnaceae in China Pollen Morphology of Quercus L. in China Ultrastructure of Pollen Exine in Amentotaxus Pilger and Its Significance in Taxonomy Studies on the Genus Schizopepon Maxim. (Cucurbitaceae) Pollen Morphology of Convallarieae (Liliaceae) and Systematic Position of Theropogon Maxim. Pollen Morphology of Styracaceae and Its Taxonomic Significance