PCR amplification of genomic DNA extracted from older and young stem and leaf tissues of B. bassiana treated maize. Lanes 1–18: 1 100 bp ladder, 2 Bb5a older stem, 3 Bb5a young stem, 4 Bb5a older leaf, 5 Bb5a young leaf, 6 Bb7 older stem, 7 Bb7 young stem, 8 Bb7 older leaf, 9 Bb7 young leaf, 10 Bb14 older stem, 11 Bb14 young stem, 12 Bb14 older leaf, 13 Bb14 young leaf, 14 Bb19 older stem, 15 Bb19 young stem, 16 Bb19 older leaf, 17 Bb19 young leaf, 18 100 bp ladder. Lanes 1–14: 1 100 bp ladder, 2 Bb23 older stem, 3 Bb23 young stem, 4 Bb23 older leaf, 5 Bb23 young leaf, 6 Bb45 older stem, 7 Bb45 young stem, 8 Bb45 older leaf, 9 Bb45 young leaf, 10 control older stem, 11 control young stem, 12 control older leaf, 13 control young leaf, 14 100 bp ladder