Across Regions, Pests and Diseases, Research, Studies/Reports

New study published on potato black dot disease

Image result for potato black dot diseaseIn a new study published in the American Journal of Potato Research on potato black dot disease, entitled “Potato Black Dot – The Elusive Pathogen, Disease Development and Management“, scientists Dennis A. Johnson, Brad Geary and Leah (Lahkim) Tsror say black dot caused by Colletotrichum coccodes was initially considered a mild disease of potato, mainly infecting weakened plants. In the past two decades however, the fungus has been reported to infect roots and stems relatively early in the growing season, be prevalent on potato and in field soil in major potato production regions of the world, cause early death of foliage by itself and in association with other pathogens, reduce plant and root growth, and to reduce potato yields, as well as causing unsightly blemishes on tubers. The scope of this research paper is to define our current understanding on the disease and summarize disease management strategies. An abstract of the study and instructions to obtain the full paper can be found here.

 

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