Pepper Mild Mottle Virus - Environment


This virus is widespread and is found almost anywhere peppers are grown, this is because the virus is most often introduced with the pepper seed. The virus moves long distances on the seed and moves short distances via plant-to-plant contact, handling of plants by contaminated implements and workers aids in the spread of the virus. Soils with low organic matter content, specifically humus will much more readily promote the adsorption of PMMoV. Specifically, the allophanic clays and iron minerals in these soils will promote the adsorption of PMMoV.

Disease incidence has occurred mainly in greenhouse environments and hot, humid environments like southwest and southeast Florida and in regions like North Africa, and Japan. This is an indication of the type of soil that is optimal for the virus; warm or hot and humid. Greenhouses, specifically, are an ideal production environment for rapid spread of the disease.

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