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Table 7 Microorganisms in tobacco leaves (CFU × 103/g) collected from a tobacco plantation.

From: Identification of bacterial and fungal components in tobacco and tobacco smoke

 

F-1

F-2

F-3

F-4

Total mesophilic bacteria

2.0

2.4

3.3

6.6

Gram-negative bacteria

0.4

0.5

1.0

2.0

Fungi

0.3

0.3

1.3

2.6

  1. F = samples from a tobacco plantation: Fresh leaves (F-1), and leaves after 2 wk (F-2), 6 wk (F-3), and > 6 wk (F-4) of curing