Study on seed biological characteristics of Gentiana crassicaulis Quality evaluation technology and grading standard for seeds of Cynomorium songaricum Effects of cold exposure and recovery on viability and energy consumption in the sub-adult female giant spiny frogs (Paa spinosa) Floral Characteristics and Breeding Systems of an Endangered Species Cypripedium japonicum Floral Characteristic and Breeding System of Anemone obtusiloba Improving Protoplast Dissociation Yield and Division Frequency of Glycyrrhizia inflata Batal. in vitro Pollen Germination and Storage Conditions of Calanthe tsoongiana A Rapid Detection Method of Moss Spore Viability Pollen viability and stigma receptivity of Salvia miltiorrhiza and its relative Mating system and causes of low fructification rate by self-pollinationof Codonopsis pilosula Pollen viability and stigma receptivity of Angelica dahurica from Sichuan and Hebei province Pollen viability and stigma receptivity of Cistanche deserticola Contribution of temporal floral closure to reproductive success of the spring-flowering Tulipa iliensis The Effects of High-temperature on Reproductive Process in Upland Cotton Meiosis Observation of Pollen Mother Cells and Determination of Pollen Viability of Tetraploid Asiatic Lily Cultivars Study on pollen viability of Clones from a Masson Pine Seed Orchard Changes on Physiological Characteristics of Osmanthus fragrans ‘Zibing Ziyingui’Seeds During Dehydration Investigation on the Factors Leading to Infertility in the Cross BetweenDendranthema lavandulifolium and D. grandif lorum ‘Jin ling Huangyu’ Investigation on the Factors Leading to Infertility in the Cross BetweenDendranthema lavandulifolium and D. grandif lorum ‘Jin ling Huangyu’ Analysis of Viability Affecting on Genetic Integrity in Soybean Germplasm Zhong Huang 18 by AFLP Markers Isolation and Identification of Viable Embryo Sacs in Several Angiosperm Species Viability of 7 kinds of medicinal plant seeds stored in medium-term gene bank of the National Medicinal Plant Gene Bank Flowering biology characteristics of different peach cultivars under greenhouse conditions Characteristics of Seeds and Hybrid Seeds in Three Sympatric Cypripedium Species Flowering Biology of Lycium barbarum L. NQ-2 Pollen Morphology and Viability of Elaeagnus umbellata Pollen viability,stigma receptivity and pollinators of Weigela florida A STUDY ON THE POLLEN GERMINATION OF SOME VEGETABLES IN CUCURBITACEAE Pollen vitality and stigma receptivity of Paris polyphylla var.yunnanensis and P.mairei(Trilliaceae) Ex-situ symbiotic seed germination of Dendrobium catenatum Influence of Vitrifying Cryopreservation Conditions on Cell Viability and Ultrastructure of Cercidiphyllum japonicum Normal Buds POLLEN VIABILITY AND VARIATION IN CATHAYA ARGYROPHYLLA A Analysis on Population Viability for Giant Panda in Tangjiahe Advances in Plant Population Viability Analysis ON COLD STORAGE OF MAIZE POLLEN STUDIES ON XRAY CONTRAST METHOD WITH WATER FOR TESTING VIABILITY OF YUNNAN PINE SEED THE EFFECTS OF COLD STORAGE ONSEEDING VIABILITY AND PHYSIOLOGY OF TWO MAIN CONIFER SPECIES IN NORTH CH INA Influence of Treatments on Pinus pumila Seed Viability Pollination biology of Fritillaria delavayi