Anthracnose can be found on all parts of corn throughout the growing season. However, the disease is most often observed as a 1) leaf blight or spot, 2) top dieback, or 3) stalk rot. Foliar symptoms ...

Bacterium malvacearum, the causative agent of ‘black-arm’, or angular leaf-spot disease of the cotton plant, has been described in certain recent papers as capable of producing a systemic ...