RESEARCH ON APOMIXIS IN KENTUCKY BLUEGRASS Progress in the Studies of Insect Symbiont Wolbachia Studies on inducing parthenogenesis of some male sterile lines of alloplasmic 1BL/1RS wheat Ultrastructural Observations on Parthenogenesis and Antipodal Apogamy of Allium tuberosum Roxb An Ultrastructural Study on the In Vitro Parthenogenesis in Sunflower Investigation on Population Dynamics of Grape Phylloxera(Daktulosphairavitifoliae Fitch.)in Vineyards of Xi’an and Shanghai Investigation on Population Dynamics of Grape Phylloxera(Daktulosphairavitifoliae Fitch.)in Vineyards of Xi’an and Shanghai Correlation analysis between induction of maize parthenogenesis haploid in vivo and intersperm nucleus distances in pollen tubes germinating in vitro of male parent Discovery of the Asexual Reproduction Genetic law of Plant BREEDING OF HIGH STARCH MAIZE ZHENGHONG 211 BY CHEMICAL INDUCTION Primary studies on the mechanism of parthenogenesis induced by 1BL/1RS male sterile line with Ae.ventricosa cytoplasm in wheat Research Progress in the Mechanism of Parthenogenesis Haploid Induction and Doubling on Maize Influences of high temperature shock on the reproduction and development of the Wolbachia\|induced parthenogenetic parasitoid wasp, Encarsia formosa (Gahan) Effects of long- and short-term successive parthenogenesis on life history and genetics characteristics of Brachionus calyciflorus The Breeding and Identification of Haploid Inducer with High Frequ-ency Parthenogenesis in Maize Histochemical Studies on in Vitro Parthenogenesis in Helianthus annuus L. Regulation of In Vitro Parthenogenesis and Somatic Proliferation in Sunflower by Several Factors Study on the Parthenogenesis of Ericerus pela (Chavannes)