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Some cannabis cultivars resistant to hop latent viroid symptoms, research shows

Gelato, anyone?

Hop latent viroid, already infecting most cannabis grows across the United States and Europe, is coming under greater scrutiny as researchers scramble for options to control the spread of the parasite, including making the plant resistant to the viroid.


Some cannabis cultivars, such as Gelato 33, are showing a natural level of resistance, although it is unclear what variables contribute to their increased defenses.

Viroids are remnants of ancient RNA that preceded DNA and proteins during evolution.

But hop latent viroid (HLVd) is the enemy of cannabis cultivators everywhere.

First identified in 1987, HLVd plagues cannabis growers around the world by mutating plants, stunting their growth and drastically lowering THC levels.

According to a study published in the journal Viruses, HLVd

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