Soybean Insects and Diseases
- Photographs and information from Iowa State University on soybean insects, foliar injury and disease, stem and root diseases, seed and seedling diseases, soybean viruses and cyst nematodes.
- http://extension.agron.iastate.edu/soybean/topicpage2.html

Bean Leaf Beetle: Integrated Crop Management
- Various articles on soybean beetles and aphids, identification of insects and transmission of viruses.
- http://www.ipm.iastate.edu/ipm/icm/taxonomy/term/260

Integrated Crop Management: Soybean Aphid
- Various articles on these pests with plenty of information on chemical and biological control.
- http://www.ipm.iastate.edu/ipm/icm/taxonomy/term/578

Pod and Stem Blight
- Photograph of an infection caused by Diaporthe phaseolorum var Sojae on a soybean plant.
- http://www.forestryimages.org/browse/detail.cfm?imgnum=1436012

Asian Soybean Rust
- This article discusses Asian Soybean Rust, its occurrence, and the control options available for organic producers, such as biofungicide and foliar and other fertilizations.
- http://attra.ncat.org/attra-pub/asian_soy_rust.html

Organic Control of White Mold on Soybeans
- This article discusses non-chemical options for organic control of white mold on soybeans, including varietal selection, canopy management, delayed planting, crop rotation, tillage reduction, and biofungicides.
- http://attra.ncat.org/attra-pub/whitemold.html

Stem Rot of Soybean
- Image of stem infected with Phytophthora sojae.
- http://www.apsnet.org/online/Archive/2000/dorrance.htm

Anthracnose
- Image of soybean pods attacked by the anthracnose fungus Colletotrichum truncatum, and information on treatment.
- http://www.apsnet.org/online/Archive/2004/IW000034.asp

Using Foliar Fungicides to Manage Soybean Rusts
- Comprehensive information on Soybean rust in the United States caused by Phakopsora pachyrhizi and detailed information on the use of fungicides to control it, with many photographs.
- http://www.oznet.ksu.edu/library/plant2/mf2680.pdf

Soybean Cyst Nematode
- Photographs and information on this damaging microscopic parasite, its field symptoms and diagnosis, with advice on management strategies.
- http://www.oznet.ksu.edu/library/plant2/L786.pdf

Phytophthora Root Rot of Soybeans
- Caused by the soil-borne fungus Phytophthora megasperma var sojae, this is one of the most serious diseases of soybeans. Information on the symptoms, the life cycle of the fungus, and possible control methods.
- http://www.oznet.ksu.edu/library/plant2/L780.pdf

Charcoal Rot of Soybean
- Photographs of crop damage and lesions on stem and root, and information on this disease caused by the soil-borne fungus Macrophomina phaseolina, its symptoms and control.
- http://www.oznet.ksu.edu/library/plant2/l762.pdf

Soybean Rust: Is the U.S. Soybean Crop at Risk?
- Information on the fungus Phakopsora pachyrhizi and its distribution and effect on soya bean plants, with many photographs.
- http://www.plantmanagementnetwork.org/pub/search/topsearch.asp?page=http://www.apsnet.org/online/feature/rust/

Soybean Diseases
- Information on the diseases that affect this crop with many photographs of the symptoms.
- http://www.soybeans.umn.edu/crop/diseases/index.htm

Soybean Disease Research: Soy Diseases
- Information on diseases affecting this crop, including symptoms, the disease cycle and management.
- http://www.soydiseases.uiuc.edu/index.cfm?category=diseases

Soybean
- Photographs of plants infected by various pathogens and pests, with links to articles on integrated crop management.
- http://www.ent.iastate.edu/imagegal/plantpath/soybean/

Soybean Rust, Phakopsora pachyrhizi
- Photograph of affected foliage and a description of the symptoms.
- http://www.forestryimages.org/browse/detail.cfm?imgnum=1265016

Common Diseases of Soybean
- Photographs and information on various diseases which may affect this crop, the life cycle of the causal agents, the symptoms and plant health management.
- http://nu-distance.unl.edu/homer/disease/agron/soybean/