| Vegetable | Symptoms | Part affected | Pest | Common name |
| Asian Herb | Brown spots | Leaves | Alternaria spp. | Target spot |
| Chinese Broccoli | Lesions | Leaves | Alternaria spp. | Target spot |
| Spotting | Leaves | Puccinia cymbopogonis | |
| Spotting | Leaves | Peronospora parasitica | Downy mildew |
| Clubs on roots | Root | Plasmodiophora brassicae | Clubroot |
| Purpling | Whole plant | Pythium spp. | Damping off |
| Stem rot, discolouration | Stem base (tap-root) | Fusarium oxysporum | Fusarium yellows |
| Discolouration | Leaves & stem | Leptosphaeria maculans | Black leg |
| Chinese Cabbage | Blackening of veins and soft rot of basal outer leaves | Leaves | Pseudomonas marginalis
Pseudomonas fluorescens | Bacterial soft rot |
| Soft rot | Whole plant | Erwinia spp.
Pseudomonad spp. |
| Browning / spotting | Whole plant | | Turnip mosaic virus |
| Soft rot | Root | Pythium spp. | Root rot |
| Spots | Leaves | Pseudocercosporella capsellae | White spot |
| Spots | Leaves | Alternaria brassicae | Alternaria leaf spot |
| Spots | Leaves | Albugo candida | White blisters |
| Clubs on root | Roots | Plasmodiophora brassicae | Clubroot |
| Lesions | Whole plant | Leptosphaeria maculans | Black leg disease |
| Spots | Leaves | Pseudocercosporella capsellae | White spot |
| Black spots on the surfaces of midribs on the leaves | Leaves | | Gomasho |
| Marginal collapse and necrosis at or near the leaf margins | Leaves | | Tipburn |
Chinese Chard
(Pak Choy) | Mould | Stems | Rhizoctonia spp | Weir stem |
| Clubs on root | Roots | Plasmodiophora brassicae | Clubroot |
| Spots | Leaves and stems | Septoria spp. | Septoria spot or Late blight |
| Chinese Celery | Rot | Stem | Sclerotinia spp. | White mold |
| Grey-black spotting | Leaves | Phoma lingam | Black leg disease |
| Chinese Flowering Cabbage | White blisters | Leaves | Albugo candida | White blisters |
| Spots | Leaves | Pseudocercosporella capsellae | White spot |
| Yellow spotting on leaves | Leaves | Mycosphaerella brassicicola | Ring spot |
| Spots | Leaves | Alternaria brassicae | Target spot |
| Rot | Flower, stem | Itersonilia perplexans | Brown canker |
| Coriander | Dieback | Roots | Phytophthora spp. | Phytophthora root rot |
| Dieback | Roots | Centrospora acernia | |
| Gall | Roots | Pythium spp. | Pythium root rot |
| Brown lesions | Roots | Rhizoctonia spp. | Crater rot and damping-off |
| Lesions | Leaves | P.syringae pv.coriandricola | Bacterial leaf spot |
| Spots | Leaves | Pseudomonas spp. | Bacterial blight |
| Blemish | Skin | Phomopsis spp. | Tip blight |
| Eggplant | Lesions | Leaves | | Downy mildew |
| Spots | Roots | Fusarium oxysporum | Fusarium wilt |
| Sunken patches | Leaves | Alternaria ssp. | Alternaria |
| Spots | Leaves | Alternaria spp. | Alternaria leaf spot |
| Japanese Pumpkin | External rot after storage | Pumpkin fruit | Cladosporium spp. | Scab/gummosis |
| Rot | Pumpkin fruit | Fusarium spp. | Crown and foot rot |
| Rot | Pumpkin fruit | Gliocladium spp. | Pink rot |
| Rot | Pumpkin fruit | Penicilium spp. | Blue mold rot |
| Rot | Stalk | Stemphylium spp. | Stalk rot |
| Small, circular, white powdery patches | Leaves | Sphaerotheca fuliginea | Powdery mildew |
| Leaves- circular brown spots, runners- pale brown, bleached areas with small black dots, fruit-black, leathery, firm sunken spots | Whole plant | Didymella bryoniae | Gummy stem blight |
| Small yellow areas dry out to brown angular spots | Leaves | Pseudoperonospora cubensis | Downy mildew |
| Leaves- light and dark green mosaic patterns fruit- develop wart like lumps | Whole plant | | Mosaic virus |
| Mibuna | Spots, marking | Leaves | Pseudocercosporella capsellae | White spot |
| Mustard Green | Spots | Leaves | Alternaria brassicae
Alternaria brassicicola | Target spot |
| White spots | Leaves | Pseudocercosporella capsellae | White spot |
| Pennywort | Mosaic and puckering on leaves | Whole plant | | Celery mosaic virus |
| Shallot | Premature withering | Leaves | Peronospora destructor | Downy mildew |
| Spring Onion | Wilt | Plant | Pseudomonas ssp. | Bacterial rot |
| Rot | Leaves | Phytophthora | Phytophthora rot |
| Dieback | Leaves | Pythium spp | Damping-off |
| Snowpeas | Spots | Leaves | Peronospora viciae | Downy mildew |
| Necrosis | Leaves, stem | Erysiphe polygoni | Powdery mildew |
| Water-soaked | Leaves and stem | Botrytis cinerea | Gray mold |
| Brown spots | Leaves and stems | Ascochyta spp. | Ascochyta |
| Spots | Leaves | Pseudomonas syringae | Brown spot |
| Discolouration | Pods, whole plant | Fusarium oxysporum | Near wilt |
| Sweet Potato | Rot | Tubers | Phoma spp. | Pink root |
| Taro | | Leaves | Stemphylium spp. | |
| Water Convolulus | Rot | Leaves | Alternaria spp. | Alternaria |
| Watercress | Yellow/brown spot on leaves | Leaves | Peronospora parasitica | Downy mildew |
| Wilt | Leaves | Colletotrichum spp | Leaf anthracnose |
| Wilt | Leaves | Ramularia spp. | Ramularia leaf spot |
