List of Tobacco Pests and Diseases

Parasitic Diseases

• Fungal diseases

Airborne Fungi

- Alternaria alternata (Brown spot, Alternaria leaf spot)
- Botrytis cinerea (Grey mould)
- Cercospora nicotianae (Frog-eye)
- Colletotrichum tabacum (Anthracnose)
- Golovinomyces cichoracearum var. cichoracearum (White mould, Powdery mildew)
- Peronospora hyoscyami f.sp. tabacina (Blue mould, Downy mildew)
- Boeremia exigua var. exigua (Ragged leaf spot, Phoma leaf blight)


Soilborne Fungi

-Athelia rolfsii (Sclerotium rolfsii, Athelia stem rot, Southern stem rot)
- Calonectria crotalaria
- Helicobasidium monpa
- Macrophomina phaseolina
- Olpidium brassicae (Root burn disease)
- Oomycetes  (Pythium spp. and Phytophthora spp., Damping-off, Basal root rots)
- Phytophthora nicotianae (Black shank)
- Sclerotinia sclerotiorum (Collar rot)
- Thanatephorus cucumeris (Rhizoctonia solani, Damping-off, Collar cankers, Leaf spot)
- Thielaviopsis basicola (Chalara elegans, Black root rot)

Vascular Fungi

- Fusarium oxysporum f. sp. nicotianae (Fusariosis, Fusarium wilt)
- Verticillium dahliae (Verticilliosis, Verticillium wilt)

• Bacteria and Phytoplasma
  

Pectobacterium spp.(Black soft rot of stem and leaves, Hollow stalk)
Pseudomonas cichorii (Black spot disease)
Pseudomonas syringae pv. tabaci (Wild fire, Angular leaf spot disease)
Ralstonia solanacearum (Bacterial wilt)
Candidatus Phytoplasma solani (Stolbur, big bud)

• Viruses
  

Alfalfa mosaic virus (AMV)
Beet curly top virus (BCTV)
Cucumber mosaic virus (CMV)
Peanut stunt virus (PSV)
Potato virus X (PVX)
Potato virus Y (PVY)
Tobacco bushy top virus (TBTV)
Tobacco etch virus  (TEV)
Tobacco leaf curl virus  (TLCV)
Tobacco mosaic virus  (TMV)
Tobacco necrosis virus (TNV)
Tobacco ring spot virus (TRSV)
Tobacco rattle virus (TRV)
Tobacco stunt virus (TStV)
Tobacco streak virus (TSV)
Tomato spotted wilt virus (TSWV)
Tobacco vein banding mosaic virus (TVBMV)
Tobacco vein mottling virus (TVMV)
Tobacco yellow dwarf virus (TYDV)

• Curing barn diseases

Pests of air-cured leaves
Pests of flue-cured leaves

• Nematodes
  

Aphelenchoides ritzemabosi (Chrysanthemum foliar nematode, Checkered leaf disease)
Ditylenchus dipsaci  (Stem-break nematode)
Globodera tabacum  (Tobacco cyst nematodes)
Meloidogyne spp.  (Root-knot nematodes)
Pratylenchus spp.  (Brown root rot)

Parasitic plants

Cuscuta spp. (Dodder)
Orobanche ramosa (Broomrape)
 

Non-parasitic diseases

Diseases related to agricultural practices

Other problems
Genetic abnormalities
Root asphyxia
Sunburn (sunscald)
Corky collar disease
Hail injuries
Climate-related diseases
Nutritional deficiencies
Root primordia
Stem split
Scabby stalk
Lightning injuries
Pests and Sooty mould
Non-parasitic diseases of cured tobacco
Chemical injuries
Polyphylla (or "Frenching")
Rusts
Hardpan
Wet spots
Pollution spots (weather fleck)
Drought spots  

Pests

• Insects
  

- Beneficial insects
- Bugs
- Leaf-cut insects
- Soil pests
- Pests of stored leaves