| army cutworm |
Euxoa auxiliaris |
1 |
| aster yellows phytoplasma |
Phytoplasma |
1 |
| Australian Grapevine Yellows |
Candidatus Phytoplasma australiense |
10 |
| bacterial leaf streak and bulb rot |
Pseudomonas viridiflava |
11 |
| bacterial soft rot |
Pectobacterium carotovorum ssp. carotovorum |
15 |
| barnyardgrass |
Echinochloa crus-galli |
1 |
| black mold |
Aspergillus niger |
6 |
| Botrytis leaf blight |
Botrytis squamosa |
1 |
| botrytis rot |
Botrytis allii |
31 |
| bromoxynil |
|
3 |
| center rot |
Pantoea ananatis |
24 |
| chufa flatsedge |
Cyperus esculentus var. leptostachyus |
7 |
| click beetle |
|
2 |
| common arrowhead |
Sagittaria latifolia |
1 |
| common bean |
Phaseolus vulgaris |
3 |
| common mallow |
Malva neglecta |
2 |
| common purslane |
Portulaca oleracea |
5 |
| dandelion |
Taraxacum spp. |
1 |
| downy mildew |
Peronospora destructor |
21 |
| Embellisia skin blotch and bulb canker of garlic |
Embellisia allii |
5 |
| Enterobacter bulb decay |
Enterobacter cloacae |
7 |
| field bindweed |
Convolvulus arvensis |
1 |
| Fusarium damping-off |
Fusarium oxysporum f.sp. cepae |
6 |
| Fusarium wilts, blights, rots and damping-off |
Fusarium spp. |
1 |
| garden onion |
Allium cepa |
513 |
| genetic abnormalities |
|
4 |
| gray mold |
Botrytis cinerea |
1 |
| gray molds |
Botrytis spp. |
4 |
| green foxtail |
Setaria viridis |
1 |
| growth & yield |
|
2 |
| hail |
|
9 |
| harvesting |
|
1 |
| heat |
|
2 |
| herbicides |
|
8 |
| Iris Yellow Spot Virus |
Tospovirus IYSV |
124 |
| irrigation |
|
7 |
| johnsongrass |
Sorghum halepense |
3 |
| lambsquarters |
Chenopodium album |
2 |
| leaf spot |
Stemphylium spp. |
3 |
| leafminer fliy |
Liriomyza spp. |
6 |
| lightning |
|
2 |
| Mexican fireweed |
Bassia scoparia |
2 |
| mulching |
|
1 |
| mustards |
|
1 |
| Nectria canker |
Nectria galligena |
1 |
| onion rust |
Puccinia allii |
15 |
| onion smudge |
Colletotrichum circinans |
5 |
| onion smut |
Urocystis cepulae |
1 |
| onion thrips |
Thrips tabaci |
22 |
| onions |
Allium spp. |
20 |
| Penicillium fungi |
Penicillium spp. |
3 |
| pesticides |
|
20 |
| phytoplasma |
Candidatus Phytoplasma pini |
1 |
| pink root of onion |
Phoma terrestris |
4 |
| potato |
Solanum tuberosum |
1 |
| powdery mildew |
Leveillula taurica |
2 |
| purple blotch |
Alternaria porri |
27 |
| Pythium diseases |
Pythium spp. |
1 |
| Pythium root and stem rot |
Pythium coloratum |
1 |
| redroot pigweed |
Amaranthus retroflexus |
2 |
| redstem stork's bill |
Erodium cicutarium ssp. cicutarium |
1 |
| Russian thistle |
Salsola kali |
1 |
| seedcorn maggot |
Delia platura |
4 |
| slippery skin |
Burkholderia gladioli pv. alliicola |
12 |
| smut |
Urocystis colchici |
2 |
| sour skin of onion |
Burkholderia cepacia |
1 |
| stem and bulb nematode |
Ditylenchus dipsaci |
3 |
| storm damage (general) |
|
6 |
| stubby root nematodes |
Paratrichodorus spp. |
6 |
| tall morningglory |
Ipomoea purpurea |
2 |
| toothed spurge |
Euphorbia dentata var. dentata |
1 |
| tumble pigweed |
Amaranthus albus |
1 |
| undercutting |
|
1 |
| vegetable leafminer |
Liriomyza sativae |
11 |
| Venice mallow |
Hibiscus trionum |
2 |
| Xanthomonas leaf blight of onion |
Xanthomonas axonopodis pv. allii |
67 |
| yellow disease of hyacinth |
Xanthomonas hyacinthi |
1 |
| yellow nutsedge |
Cyperus esculentus |
6 |