Bacterial Wilt

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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A comparison of the bacteria that cause bacterial wilt of dry beans and Goss’ wilt of corn. The rods of Curtobacterium (left) in the dry bean wilt pathogen are shorter and fatter than the Goss’ wilt pathogen, Clavibacter (right).
Figure 1. A comparison of the bacteria that cause bacterial wilt of dry beans and Goss’ wilt of corn. The rods of Curtobacterium (left) in the dry bean wilt pathogen are shorter and fatter than the Goss’ wilt pathogen, Clavibacter (right).

Puzzling Out Two Closely Related Corn, Dry Bean Diseases

October 24, 2019
Two closely related plant diseases — one in corn and the other in dry bean — have followed similar, but somewhat perplexing patterns of appearing, disappearing, and then resurging as a serious threat to crop yield. A UNL researcher looks at factors affecting the cycle and whether it can be predicted.

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