Plate Count (a)The pour plate method (b)The spread plate method Inoculate Petri 1.0or0.1ml 0.1ml plates from serial dilutions ①Inoculate ①Inoculate plate empty plate containing solid medium Bacterial dilution ②Add melted nutrient agar Spread inoculum over surface evenly Swirl to mix ④Colonies Colonies grow grow in and only on surface on solidified of medium medium Figure 6.16 • Inoculate Petri plates from serial dilutions Plate Count Figure 6.16