| bacterial black stalk |
Erwinia spp. |
1 |
| bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
8 |
| bitter rot |
Colletotrichum gloeosporioides |
1 |
| black rot of crucifers |
Xanthomonas campestris pv. campestris |
2 |
| black spot |
Alternaria brassicicola |
5 |
| black spot (leaf, stem, or pod spots) |
Alternaria spp. |
9 |
| cabbage |
Brassica oleracea var. capitata |
1 |
| cabbage |
Brassica oleracea var. oleracea |
26 |
| cabbage aphid |
Brevicoryne brassicae |
7 |
| cabbage collards |
Brassica oleracea |
10 |
| Cabbage Leaf Curl Virus |
Geminivirus CaLCuV |
1 |
| cabbage looper |
Trichoplusia ni |
10 |
| cabbage maggot |
Delia radicum |
1 |
| cabbage webworm |
Hellula rogatalis |
5 |
| cabbage white |
Pieris rapae |
8 |
| calcium deficiency |
|
1 |
| checkered white |
Pontia protodice |
2 |
| chemicals |
|
2 |
| chinese cabbage |
Brassica pekinensis |
16 |
| club root of crucifers |
Plasmodiophora brassicae |
3 |
| cross-striped cabbageworm |
Evergestis rimosalis |
2 |
| crucifer flea beetle |
Phyllotreta cruciferae |
3 |
| diamondback moth |
Plutella xylostella |
16 |
| downy mildew |
Hyaloperonospora brassicae |
3 |
| downy mildew |
Peronospora parasitica |
5 |
| edema |
|
18 |
| fall armyworm |
Spodoptera frugiperda |
1 |
| flea beetles |
Chaetocnema spp. |
1 |
| frost and winter injury (general) |
|
1 |
| Fusarium wilt |
Fusarium oxysporum f.sp. conglutinans |
1 |
| garden onion |
Allium cepa |
1 |
| genetic abnormalities |
|
1 |
| harlequin bug |
Murgantia histrionica |
15 |
| herbicides |
|
2 |
| leafminer fliy |
Liriomyza spp. |
1 |
| onion thrips |
Thrips tabaci |
2 |
| Phytophthora root and stem rot |
Phytophthora drechsleri |
15 |
| poplar petiolegall aphid |
Pemphigus populitransversus |
1 |
| root problems |
|
2 |
| Sclerotinia rot |
Sclerotinia sclerotiorum |
3 |
| seedcorn maggot |
Delia platura |
1 |
| sting nematode |
Belonolaimus longicaudatus |
1 |
| sugar-beet cyst nematode |
Heterodera schachtii |
1 |
| swede midge |
Contarinia nasturtii |
21 |
| turnip aphid |
Lipaphis erysimi |
4 |
| western corn rootworm |
Diabrotica virgifera virgifera |
2 |
| western flower thrips |
Frankliniella occidentalis |
4 |