How to fight this elusive pathogen damaging hemp

Viroids are not viruses, but rather a plant-specific pathogenic RNA.

HpLVd was first publicly announced in cannabis in California in 2019; however, there is reason to believe that the California cannabis industry has been struggling with it since 2014 with many reports of "dudding" -  stunted growth, lack of trichomes and a lack of secondary metabolites such as cannabinoids and terpenes.

Testing for HpLVd is still not common practice in the hemp nor marijuana industries.

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Photo: Joseph Ramahi. Courtesy of Hemp Industry Daily.

Source: Hemp Industry Daily