Potato Leafhopper Management in Alfalfa
- Identification features of this pest, its migratory habits, symptoms of the damage caused and management and control measures that can be taken.
- http://www.ianrpubs.unl.edu/epublic/pages/publicationD.jsp?publicationId=559

Managing the Alfalfa Weevil
- The identification and life cycle of the alfalfa weevil are discussed along with economic thresholds and management using cultural, biological and chemical methods.
- http://www.ianrpubs.unl.edu/epublic/pages/publicationD.jsp?publicationId=556

Management of Blister Beetles in Alfalfa
- These insects contain a blistering agent which is toxic to horses and cattle. This article provides information on their life cycle, the serious damage they can cause to livestock when ingested and preventative measures that may be taken.
- http://www.ianrpubs.unl.edu/epublic/pages/publicationD.jsp?publicationId=628

Spotted Alfalfa Aphid
- Photographs and information on the damage done by this insect, its description, life history and biological and chemical controls.
- http://www1.agric.gov.ab.ca/$Department/deptdocs.nsf/all/agdex728

Blue Alfalfa Aphid and Pea Aphid
- Both these aphids attack alfalfa and can cause damage. Description, photographs and information on management, monitoring, biological and chemical controls.
- http://www.ipm.ucdavis.edu/PMG/r1300211.html

Alfalfa Insects: Integrated Crop Management
- Photographs and information to help in identification of the many insects to be found in first-cutting alfalfa, both friend and foe.
- http://www.ipm.iastate.edu/ipm/icm/2006/5-22/alfalfainsects.html

Alfalfa and Sweet Clover
- Information on a number of diseases that affect these crops, with photographs and suggested control measures.
- http://plantpathology.tamu.edu/Texlab/Forage/Alfalfa/asctop.html

Fungal Diseases of Alfalfa
- An identification guide to the fungal diseases that may infect this crop, with many photographs, brief descriptions of the symptoms and suggested management strategies.
- http://www1.agric.gov.ab.ca/$Department/deptdocs.nsf/All/prm7897?OpenDocument#anthra

Diseases of Alfalfa: Bacterial Wilt
- Photographs and information on how to identify this infection, caused by Corynebacterium insidiosum, and possible management strategies.
- http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/all/prm7896?opendocument

Alfalfa Leaf Spot, Pseudopeziza medicaginis
- Photograph of an affected leaf.
- http://www.forestryimages.org/browse/detail.cfm?imgnum=1436036

Diseases of Alfalfa
- Information on various diseases which may affect this crop with photographs of some, the life cycle of the causal agent, the symptoms and plant health management.
- http://nu-distance.unl.edu/homer/disease/agron/alfalfa/

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

Alfalfa Leaf Diseases
- Photographs and information on a number of diseases that affect this crop.
- http://www.ipm.iastate.edu/ipm/icm/1998/5-4-1998/alfdis98.html