Soybean plants (Glycine max) are subject to a variety of diseases and pests.
| Bacterial diseases | |
|---|---|
| Bacterial blight | Pseudomonas amygdali pv. glycinea |
| Bacterial pustules | Xanthomonas axonopodis pv. glycines Xanthomonas campestris pv. glycines |
| Bacterial tan spot | Curtobacterium flaccumfaciens pv. flaccumfaciens = Corynebacterium flaccumfaciens pv. flaccumfaciens |
| Bacterial wilt | Curtobacterium flaccumfaciens pv. flaccumfaciens Ralstonia solanacearum = Pseudomonas solanacearum |
| Wildfire | Pseudomonas syringae pv. tabaci |
| Fungal diseases | |
|---|---|
| Alternaria leaf spot | Alternaria spp. |
| Anthracnose | Colletotrichum truncatum Colletotrichum dematium f. truncatum Glomerella glycines Colletotrichum destructivum [anamorph] |
| Black leaf blight | Arkoola nigra |
| Black root rot | Thielaviopsis basicola Chalara elegans [synanamorph] |
| Brown spot | Septoria glycines Mycosphaerella usoenskajae [teleomorph] |
| Brown stem rot | Phialophora gregata Cephalosporium gregatum |
| Charcoal rot | Macrophomina phaseolina |
| Choanephora leaf blight | Choanephora infundibulifera Choanephora trispora |
| Damping-off | Rhizoctonia solani Thanatephorus cucumeris [teleomorph] Pythium aphanidermatum Pythium debaryanum Pythium irregulare Pythium myriotylum Pythium ultimum |
| Downy mildew | Peronospora manshurica |
| Drechslera blight | Drechslera glycines |
| Frogeye leaf spot | Cercospora sojina |
| Fusarium root rot | Fusarium spp. |
| Leptosphaerulina leaf spot | Leptosphaerulina trifolii |
| Mycoleptodiscus root rot | Mycoleptodiscus terrestris |
| Neocosmospora stem rot | Neocosmospora vasinfecta Acremonium spp. [anamorph] |
| Phomopsis seed decay | Phomopsis spp. |
| Phytophthora root and stem rot[1] | Phytophthora sojae |
| Phyllosticta leaf spot | Phyllosticta sojaecola |
| Phymatotrichum root rot = cotton root rot | Phymatotrichopsis omnivora Phymatotrichum omnivorum |
| Pod and stem blight | Diaporthe phaseolorum Phomopsis sojae [anamorph] |
| Powdery mildew | Microsphaera diffusa |
| Purple seed stain | Cercospora kikuchii |
| Pyrenochaeta leaf spot | Pyrenochaeta glycines |
| Pythium rot | Pythium aphanidermatum Pythium debaryanum Pythium irregulare Pythium myriotylum Pythium ultimum |
| Red crown rot | Cylindrocladium crotalariae Calonectria crotalariae [teleomorph] |
| Red leaf blotch = Dactuliophora leaf spot | Dactuliochaeta glycines Pyrenochaeta glycines Dactuliophora glycines [synanamorph] |
| Rhizoctonia aerial blight | Rhizoctonia solani Thanatephorus cucumeris [teleomorph] |
| Rhizoctonia root and stem rot | Rhizoctonia solani |
| Rust | Phakopsora pachyrhizi |
| Scab | Spaceloma glycines |
| Sclerotinia stem rot | Sclerotinia sclerotiorum |
| Southern blight (damping-off and stem rot) = Sclerotium blight | Agroathelia rolfsii [teleomorph] |
| Stem canker | Diaporthe phaseolorum Diaporthe phaseolorum var. caulivora Phomopsis phaseoli [anamorph] |
| Stemphylium leaf blight | Stemphylium botryosum Pleospora tarda [teleomorph] |
| Sudden death syndrome | Fusarium solani f.sp. glycines |
| Target spot | Corynespora cassiicola |
| Yeast spot | Nematospora coryli |
| Nematodes, parasitic | |
|---|---|
| Lance nematode | Hoplolaimus columbus Hoplolaimus galeatus Hoplolaimus magnistylus |
| Lesion nematode | Pratylenchus spp. |
| Pin nematode | Paratylenchus projectus Paratylenchus tenuicaudatus |
| Reniform nematode | Rotylenchulus reniformis |
| Ring nematode | Criconemella ornata |
| Root-knot nematode | Meloidogyne arenaria Meloidogyne hapla Meloidogyne incognita Meloidogyne javanica |
| Sheath nematode | Hemicycliophora spp. |
| Soybean cyst nematode | Heterodera glycines |
| Spiral nematode | Helicotylenchus spp. |
| Sting nematode | Belonolainus gracilis Belonolaimus longicaudatus |
| Stubby root nematode | Paratrichodorus minor |
| Stunt nematode | Quinisulcius acutus Tylenchorhynchus spp. |
| Viral diseases | |
|---|---|
| Alfalfa mosaic | |
| Bean pod mottle | genus Comovirus, Bean pod mottle virus (BPMV) |
| Bean yellow mosaic | genus Potyvirus, Bean yellow mosaic virus (BYMV) |
| Brazilian bud blight | genus Ilarvirus, Tobacco streak virus (TSV) |
| Cowpea chlorotic mottle | genus Bromovirus, Cowpea chlorotic mottle virus (CCMV) |
| Mung bean yellow mosaic | genus Begomovirus, Mung bean yellow mosaic virus (MYMV) |
| Peanut mottle | genus Potyvirus, Peanut mottle virus (PeMoV) |
| Peanut stripe | genus Potyvirus, Peanut stripe virus (PStV) |
| Peanut stunt | genus Cucumovirus, Peanut stunt virus (PSV) |
| Soybean chlorotic mottle | genus Caulimovirus, Soybean chlorotic mottle virus (SbCMV) |
| Soybean crinkle leaf | genus Begomovirus, Soybean crinkle leaf virus (SCLV) |
| Soybean dwarf | genus Luteovirus, Soybean dwarf virus (SbDV) |
| Soybean mosaic | genus Potyvirus, Soybean mosaic virus (SMV) |
| Soybean severe stunt | genus Nepovirus, Soybean severe stunt virus (SSSV) |
| Tobacco ringspot = bud blight | genus Nepovirus, Tobacco ringspot virus (TRSV) |