Establishment of an Index to Appraise Cold-resistant Breeding for Citrus in Early Stage Application of Comet Assay in Plant Protoplast Apoptosis Detection Characteristics of ABA Binding Proteins on the Plasmalemma of Guard Cells in Vicia faba In Vitro Divisions of Unfertilized Central Cells and Other Embryo Sac Cells in Nicotiana tabacum var macrophylla Plant Regeneration from Protoplasts of Medicago lupulina Pollen-Mesophyll Protoplast Fusion and Hybrid Plant Regeneration in Nicotiana Transgenic Rice Plants Produced by PEG-Mediated Plasmid Uptake into Protoplasts Isolation of Pollen Protoplasts in Nicotiana tabacum Comparison of Membrane Surface Proteins of Sperm Cells and Somatic Protoplasts of Zea mays Haploid Plant Regeneration from Protoplast Cultures of Durum Wheat (Triticum durum Desf.) Plant Regeneration from Protoplasts of Talinum paniculatum Selection for Protoplast Isolation and Culture Conditions of Alfalfa A glimpse of preparing homokaryotic and transforming Rhizoctonia solani through protoplasts Studies on Improving the Cell Division Frequency of Potato Protoplasts Comparison of Culture Procedures for Regeneration of Plants from Protoplast-der ived Calluses of Rice(Oryza sativa L.) Protoplasts Culture and Fusion from Callus of Poa pratensis L. A New Ganoderma lucidum Cultivar‘Zhi 102’ The protoplasts isolation and culture of Pogostemon cablin cv.Shipaiensis