| Alternaria black molds / stem cankers |
Alternaria spp. |
2 |
| aphid parasite |
Aphelinus spp. |
6 |
| aphids |
|
1 |
| bacterial streak, black rot, and blight |
Xanthomonas campestris |
5 |
| Barley Yellow Dwarf Virus |
Luteovirus BYDV |
5 |
| Braconid wasp |
Diaeretiella rapae |
4 |
| brown wheat mite |
Petrobia latens |
3 |
| cadelle beetle |
Tenebroides mauritanicus |
1 |
| Cephalosporium stripe |
Cephalosporium gramineum |
2 |
| cereal cyst nematode |
Heterodera avenae |
1 |
| cereal rye |
Secale cereale |
3 |
| chemicals |
|
2 |
| chloride deficiency |
|
1 |
| cigarette beetle |
Lasioderma serricorne |
2 |
| clomazone |
|
1 |
| Cochliobolus leaf spot |
Bipolaris sorokiniana |
2 |
| cold injury (low temperature) |
|
3 |
| common bean |
Phaseolus vulgaris |
2 |
| common sunflower |
Helianthus annuus |
2 |
| common tarweed |
Centromadia pungens ssp. pungens |
1 |
| common wheat |
Triticum aestivum |
175 |
| confused flour beetle |
Tribolium confusum |
1 |
| convergent lady beetle |
Hippodamia convergens |
1 |
| crop/tree alternation |
|
3 |
| drought |
|
3 |
| dwarf bunt, dwarf smut |
Tilletia controversa |
9 |
| eyespot |
Oculimacula spp. |
3 |
| farm equipment |
|
3 |
| field pennycress |
Thlaspi arvense |
2 |
| foot rot |
Pseudocercosporella herpotrichoides |
1 |
| frost and winter injury (general) |
|
6 |
| Fusarium wilt |
Fusarium poae |
1 |
| Fusarium wilts, blights, rots and damping-off |
Fusarium spp. |
22 |
| genetic abnormalities |
|
2 |
| Gibberella stalk rot |
Gibberella zeae |
5 |
| grass aphid |
Diuraphis nodulus |
1 |
| greenbug |
Schizaphis graminum |
1 |
| ground squirrels |
Spermophilus spp. |
1 |
| hail |
|
11 |
| harvesting |
|
2 |
| Helminthosporium leaf spot |
Helminthosporium spp. |
3 |
| Hessian fly |
Mayetiola destructor |
4 |
| High Plains Virus |
Uncharacterised virus HPV |
1 |
| karnal bunt |
Tilletia indica |
47 |
| khapra beetle |
Trogoderma granarium |
1 |
| ladybird beetle |
Scymnus frontalis |
1 |
| leaf blotch |
Stagonospora nodorum |
15 |
| leaf streak/black chaff |
Xanthomonas translucens pv. translucens |
4 |
| lodging |
|
2 |
| loose smut of wheat or barley |
Ustilago tritici |
5 |
| lovebug |
Plecia nearctica |
1 |
| pale western cutworm |
Agrotis orthogonia |
1 |
| Penicillium fungi |
Penicillium spp. |
2 |
| powdery mildew |
Blumeria graminis |
5 |
| powdery mildew |
Microsphaera penicillata |
9 |
| powdery mildew |
Phyllactinia spp. |
2 |
| Pythium diseases |
Pythium spp. |
2 |
| Rhizoctonia damping-off, blight and rot |
Rhizoctonia solani |
3 |
| rice stink bug |
Oebalus pugnax |
1 |
| root rot |
Phellinus hartigii |
5 |
| Russian wheat aphid |
Diuraphis noxia |
15 |
| rust |
Puccinia helianthi |
1 |
| rust |
Puccinia hordei |
5 |
| Septoria leaf spot and cankers |
Septoria spp. |
9 |
| Septoria leaf spot of wheat |
Septoria tritici |
20 |
| Soil Borne Wheat Mosaic Virus |
Furovirus SBWMV |
2 |
| sooty mold |
|
3 |
| stem rot |
Cylindrocladium crotalariae |
1 |
| stripe rust |
Puccinia striiformis |
34 |
| syrphid or flower flies |
|
1 |
| take-all root rot |
Gaeumannomyces graminis var. tritici |
6 |
| tan spot |
Pyrenophora tritici-repentis |
6 |
| unknown fungi |
|
2 |
| variegated lady beetle |
Hippodamia variegata |
1 |
| western wheat aphid |
Diuraphis tritici |
1 |
| wheat |
Triticum spp. |
49 |
| wheat bug |
Nysius huttoni |
16 |
| wheat curl mite |
Eriophyes tulipae |
1 |
| wheat head armyworm |
Faronta diffusa |
3 |
| wheat jointworm |
Tetramesa tritici |
1 |
| wheat leaf rust |
Puccinia recondita |
12 |
| wheat seed-gall nematode |
Anguina tritici |
4 |
| Wheat Soil Borne Mosaic vector |
Polymyxa graminis |
1 |
| wheat stem rust |
Puccinia graminis |
16 |
| wheat stem sawfly |
Cephus cinctus |
2 |
| Wheat Streak Mosaic Virus |
Tritimovirus WSMV |
19 |
| wild-proso millet |
Panicum miliaceum |
2 |