Directory of Pests and Diseases Resources

Home > Science > Agriculture > Field Crops > Grassland, Hay and Forage > Alfalfa > Pests and Diseases

Diseases affecting this crop.

Resources in This Category

• Alfalfa Disease Management

  http://www.ces.ncsu.edu/depts/pp/notes/oldnotes/ad1.htm
  Provides information on disease identification, control, field monitoring, scouting and resistant varieties.

• Alfalfa Insects: Integrated Crop Management

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

• Alfalfa Leaf Diseases

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

• Alfalfa Leaf Spot, Pseudopeziza medicaginis

  http://www.forestryimages.org/browse/detail.cfm?imgnum=1436036
  Photograph of an affected leaf.

• Alfalfa Plant Diseases and Damage

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

• Alfalfa Weevil

  http://www.ext.colostate.edu/pubs/insect/05500.html
  Information on this important insect pest, Hypera postica, its life history, crop management practices, biological and chemical control, not forgetting the protection of pollinating insects.

• Aphids in Alfalfa

  http://www.ext.colostate.edu/PUBS/insect/05531.html
  Information on the species that affect alfalfa, their management and control, and the protection of pollinating insects, and photographs of some beneficial insects useful for biological control.

• Blue Alfalfa Aphid and Pea Aphid

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

• Fungal Diseases of Alfalfa

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

• Spotted Alfalfa Aphid

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

 

Home > Science > Agriculture > Field Crops > Grassland, Hay and Forage > Alfalfa > Pests and Diseases

 

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