Hemianatropous Ovule and Allium Type Embryo-sac of Vitex rotundifolia(Lamiaceae) Effect of AVG Application on Ovule and Seed Development of‘Kyoho’ Grapevine Preliminary Study on Floral Syndroma and Breeding System for Five Species of Rehmannia (Scrophulariaceae) OVULE DEVELOPMENT AND CALLOSE DEPOSITION IN RHEUM PALMATUM Expression Analysis of Ovule Identity Gene homads1 During in Vitro Flowering of Hyacinthus orientalis L. A Comparative Study on Metabolism of Reactive Oxygen Species during Ovule Development in Seeded And Seedless Grapes GhHMGR Gene Function in Ovule Development of Cotton (Gossypium hursutum L.) Primary Report of Studies on Overcoming the Interspecific Incompatibility and Hybrid Abortion between Series A and B in the Section Batatas of Genus Ipomoea Ovule Development and Seed Formation of Calanthe tsoongiana T.Tang et F.T.Wang In Vitro Culture of Pumpkin Unfertilized Ovules and Plant Regeneration Research Progress in Pollination Drops of Gymnosperms Pollination Biology of Endangered Elaeagnus mollis Diels Population Studies on Histochemistry of the Developmental Epiphyllous Ovule in Ginkgo biloba var. epiphylla Studies on Histochemistry of the Developmental Epiphyllous Ovule in Ginkgo biloba var. epiphylla Production and Identification of Interspecific Hybrids between Chinese Cabbage and Purple Cabbage Floral Numerical Variation and Seed Set in Natural Populations of Liriodendron chinense A Study on Breeding System of the Endangered Plant Cistanche deserticola Cone and Ovule Development in Platycladus orientalis (Cupressaceae) (in English) Relationship between Megasporogenesis, Development of Female Gametophyte and Related Morphological Changes of Flower, Ovule in Siraitia grosvenorii Ovule Abortion and Its Mechanism for Tetraploid Robinia pseudoacacia A New Method to Isolate Non-Enzymatically the Nucellus of Populus tomentosa A High-frequency in vivo-in vitro Experimental System for Embryogenesis Study A New Species of Petrified Ovules of Late Paleozoic Translocation of Uranin within the Living Ovules of Vanilla Development of Ovules and Embryo sacs in Ostrya virginiana (Betulaceae) and Its Systematic Significance A Comparative Study on Metabolism of Reactive Oxygen Species during Ovule Development in Seeded And Seedless Grapes Expression Analysis of Ovule Identity Gene homads1 During in Vitro Flowering of Hyacinthus orientalis L. Morphological Development of Ovule-like Organ on the Leaf and VariationCharacteristics of Ginkgo biloba var. epiphylla Mak. (Ohatsuki) Anatomical Study of Development of Ovule in Ginkgo biloba L. Study on Factors Affecting Embryo Rescue of Seedless Grape Determination of Ovule Development of Pinus tabulaeformis in Beijing,China Studies on the Characteristics of the Induction of Cotton Fiber Derived from Cot ton Ovule Callus Cells FORMATION AND DEVELOPMENT OF THE OVULE AND EMBRYO SAC IN POPULUS LASIOCARPA OLIVER Pollination Biology in Taxus yunnanensis