| Species | Subject of contamination |
|---|
| 1. | Citrus greening bacterium | Plants of Citrus L., Fortunella Swingle, Poncirus Raf., and their hybrids, other than fruit and seeds |
| 2. | Citrus variegated chlorosis | Plants of Citrus L., Fortunella Swingle, Poncirus Raf., and their hybrids, other than fruit and seeds |
| 3. | Erwinia stewartii (Smith) Dye | Seeds of Zea mais L. |
| 4. | Xanthomonas campestris (all strains pathogenic to Citrus) | Plants of Citrus L., Fortunella Swingle, Poncirus Raf., and their hybrids, other than seeds |
| 5. | Xanthomonas campestris pv. oryzae (Ishiyama) Dye and pv. oryzicola (Fang. et al.) Dye | Seeds of Oryza spp. |
