Alfalfa Disease

Alfalfa field
Proper seed selection is the first line of defense for disease management of Phytophthora root rot and anthracnose, which can cause significant losses in a short amount of time.

Alfalfa Seed Selection to Help Manage Diseases

April 6, 2022
As you think about selecting alfalfa varieties to plant this year, be sure to consider varieties available with greater resistance to diseases like anthracnose and Phytophthora root rot.

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Pasture landscape

Pasture and Forage Minute: The Importance of Legumes, Alfalfa Seed Selection

March 29, 2022
Extension educators explain how to replace costly nitrogen fertilizer with legumes in grazeland and select alfalfa varieties for disease resistance.

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Ranger alfalfa plants

Additional Gram-positive Bacterial Diseases in Nebraska Crop Production

May 11, 2021
A review of two lesser-known diseases caused by Gram-positive bacterial pathogens that have been observed in Nebraska — bacterial wilt of alfalfa and bacterial mosaic of wheat.

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Alfalfa rust
Figure 1. Rust pustules on alfalfa leaves. (Photo by Landron Rhodes, The Ohio State University)

Rust on Alfalfa

September 13, 2018
Warm, humid weather has caused rust to form in many alfalfa fields throughout our region. While it causes little damage in fields harvested monthly, it can injure and defoliate more mature alfalfa or alfalfa grown for seed.

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