Researchers look at new controls for olive knot


Issue Date: October 30, 2013
By Kathy Coatney

Because the disease olive knot is caused by a bacterial pathogen that is spread during winter and spring rains, the northern Sacramento Valley has more problems with the disease due to its higher rainfall. The Manzanillo variety is particularly susceptible to the disease, as are super-high-density plantings where mechanical harvesting can promote the disease.

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