Possible Causes of Yellowing Alfalfa

Alfalfa fields may periodically exhibit yellowing of foliage. There are several possible causes for such symptoms.

• Leaf spot diseases
• Potato leafhopper
• Soil compaction
• Potash deficiency
• Root rots
• Poor nodulation
• Crown rot diseases

Read Article

Disease Management Publications:

Sampling for the Tall Fescue Endophyte in Pasture or Hay Stands

Possible Causes of Yellowing Alfalfa (new 2018)

Alfalfa Disease Calendar

Disease Management Guide for Forage Legumes

"Emergency" Inoculation for Poorly Inoculated Legumes

Endophyte Sampling in Pasture or Hay Stands

Integrated Crop Management Manual for Alfalfa (Kentucky)

Managing Diseases of Alfalfa

Brown Stripe of Orchardgrass Rating Scale

Crown Rots of Alfalfa

Rhizoctonia Diseases in Alfalfa

Sclerotinia Crown and Stem Rot in Fall-Seeded Alfalfa--Risk Factors

Seedling Diseases and Disorders of Alfalfa

Summertime Foliar Diseases of Alfalfa

Diseases in Orchardgrass - Penn State