Preliminary Studies on Cytoplasmic Inheritance and Variation of Azolla Ultrastructural and DNA Epifluorescence Observations of the Sperm Cells of Rhododendron-- with Emphasis on Biparental Plastid Inheritance Study on Organelle DNA Within the Generative Cell and Sperm Cells in Pharbitis Cytological Mechanism of Cytoplasmic Inheritance in Pinus tabulaeformis: II. Transmission of Male and Female Organelles During Fertilization and Proembryo Development Genetic Analysis for Hai 1 Strain of Glandless Cotton(G.barbadense L.) Ultrastructural and Cytochemical Study on Mature Pollen of Pinus tabulaeformis Cytoplasmic Inheritance of Sweet Potato: with Respect to the Study of Plastids and Mitochondria and the Existence of Their DNA in Sperm Cells Discovery of a Cytoplasmically Inherited Virescent Mutant of Soybean A Study on cms-WA Cytoplasmic Susceptibility of Rice to Pyricularia oryzae and Xanthomonas campestris pv.oryzae Distribution of the cytoplasmic DNA in male cells of the Convolvulaceae and its systematic significance The Cytological Mechanism of Biparental Cytoplasmic Inheritance in Pelargonium hortorum -Ultrastructural and DNA Fluorescence Studies of Male and Female