Zebra chip is a disease of potatoes that has no cure, but scientists are on the case. They know the bacterium that causes the disease and the insect that carries it. But now, researchers have discovered something they did not know – three new genetic variants (known as haplotypes) of the bacterium and four new insect carriers. …
Agricultural Research Service (ARS) scientists have bred new disease-resistant sugarbeet lines using cutting-edge genome mapping technologies. By adapting these new genomic lines and genomic tools, plant breeders are now able to greatly improve the sugarbeet’s tolerance to disease. …
Now, ARS researchers and their collaborators have developed a weather-based model that could help predict the contamination levels of EcO157 and other pathogens on lettuce. …
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