Identification of QTLs for Seed Setting Rate in Rice under Different Growing Environments Post-Anthesis Changes in concentrations of Polyamines in Superior and Inferior Apikelets and Their Relation with Grain Filling of Super Rice Seed Shattering and Relevant Traits of Leymus chinensis Effects of KCl Stress on Physiology of Lilium Stigma and Seed Setting STUDY OF THE NUMBER AND ALLELISM OF RESTORING GENES IN PHOTOPERIOD SENSITIVE GENIC MALE STERILE RICE Megasporogenesis and Female Gametophytes Development of Phyllostachys violascens Quantitative Analysis on the Effects of High Temperature at Meiosis Stage on Seed-Setting Rate of Rice Florets Study on Mating System of 3 Elymus spp. Preliminary Study on Hybridization of Eremochloa ophiuroides (Munro.) Hack. Wild Tobacco Pollen Viability,Stigma Receptivity and Reproductive Characteristics Preliminary Studies on the Introduction of Leymus chinensis ‘Zhongke No.2’ in Ningxia Inheritance of Seed Setting Rate in Maize×Z.perennis Crosses