PCR, Polymerase chain reaction, types of PCR, Template DNA, DNA polymerase, Primers, Nucleotides (DNTPs or deoxynucleotide triphosphates ), Denaturation, Annealing, Extension, Types of PCR, Multiplex PCR. Long-range PCR. Single-cell PCR. Fast-cycling PCR. Methylation-specific PCR (MSP) Hot start PCR High-fidelity PCR. RAPD: Rapid amplified polymorphic DNA analysis. Detection of fungal plant pathogen using PCR, Extraction of DNA from plant tissues,PCR amplification and detection of diagnostic amplicon