Diseases and pests of Guyana

Fungi

• Early blight of cabbage ( Alternaria brassicicola )
• Anthracnose of Cucurbits ( Colletotrichum orbiculare )
• Anthracnose of Solanaceae ( C. glosporioides , C. capsici , C. coccodes )
• Gummy canker of Cucurbits ( Didymella bryoniae )
• Eggplant ( Pseudocercospora egenula )
• Leaf spot of Cucurbits ( Cercospora citrullina )
• Cercosporiosis of okra ( Pseudocercospora abelmoschii )
• Cercosporiosis of lettuce ( Cercospora longissima )
• Pepper ( Cercospora capsici )
• Cercosporiosis of ( Cercospora apii )
• Cercosporiosis of the tomato ( Pseudocercospora fuligena )
• Cladosporiose de la tomate ( Mycovellosiella fulva )
• Corynesporiose  ( Corynespora cassiicola )
• Myrothecium lesions ( Myrothecium roridum )
• Downy mildew of Cucurbits ( Pseudoperonospora cubensis )
• Powdery mildew of Cucurbits ( Podosphaera xanthi )
• Phomopsis vexans
• Cucurbit ( Plectosporium tabacinum )
• Choanephora rot ( Choanephora cucurbitacearum )
• Pythium rots ( Pythium spp.)
• Sclerotium rot ( Sclerotium rolfsii )
• Rhizoctone brun ( Rhizoctonia solani )

bacteria

• Bacterial rot  ( Pectobacterium carotovorum )
• Bacterial wilt ( Ralstonia solanacearum )
• Bacterial scab of tomato  ( Xanthomonas vesicatoria )

Virus

• Zucchini yellow mosaic virus (ZYMV)
• Alfalfa mosaic virus (AMV)
• Watermelon mosaic virus (SqMV)
• Tomato yellow leaf spoon virus (TYLCV)

Nematodes

• Root-knot nematodes ( Meloidogyne spp.)

pests

• Aleurodes  : ( Bemisia tabaci ,  Aleurodicus sp.,  Aleurotrachelus trachoides )
• Altises ( Epitrix spp.)
• Cassava midge ( Jatrophobia brasiliensis )
• Acalymma (Cucurbitaceae/ bivittula ; Cruciferae/ Systena s-littera )
• Cochenilles ( Rastrococcus invades ) (organism of quarantaine), Ortheziidae
• Animals of Fourmi ( Acromyrmex octospinosus , A. landolti , Atta céphalotes , A. sexdens )
• Melipone ( Trigona sp.)
• Leafminer flies ( Liriomyza spp.)
• Cabbage ( Spodoptera eridania )
• Mole crickets
• Various Orthoptera (grasshoppers, crickets, mole crickets, locusts, etc.)
• Aphids ( Aphis gossypii , A. craccivora )
• Bedbugs (Pentatomidae, Phthia sp.)
• Cucurbit fruitworms ( Diaphania hyalinata , D. nitidalis )
• Tobacco ( Manduca sexta )
• Cabbage ringworm ( Plutella xylostella )
• Thrips  ( Frankliniella occidentalis , etc.)
  
  
• Acariens ( Tetranychus spp.)
• Tarsonème ( Polyphagotarsonemus side )

• slugs
• Snails
  
  

Non-parasitic diseases

• Genetic abnormalities
• Sunburn
• Ferric chlorosis
• Flower run
• Nitrogen deficiency
• apical necrosis
• Marginal necrosis
• Phytotoxicities
• Physiological dryness
• Physiological bursting of the apple (cabbage)
• Root asphyxia