Effects of Subculture Media on Embryogenic Callus Growth and Regenera- tion of Zoysia matrella Effects of Subculture Media on Embryogenic Callus Growth and Regenera- tion of Zoysia matrella Optimizing Biosolid Mixtures for Producing Soilless Manilagrass Sod Over Plastic Effect of γ-irradiation on callus regeneration and salt tolerance in Manilagrass Effects of fertilizing on the manilagrass growth and physiological characteristics Effect of Organic Fertilizers on Soil Characteristics and Turf Quality of Manilagrass EFFECTS OF 60Co γ-IRRADIATION ON MANILAGRASS in vitro MUTAGENESIS