Hop latent viroid (HLVd) in cannabis has become one of the industry's most significant plant-health threats. It is no longer an emerging threat. It's an established, widespread problem running beneath the surface of the commercial cannabis industry. Often tolerated because it is invisible, accepted because it is misunderstood, and compounding because every conventional cloning cycle in an infected facility propagates it forward. Surveys have reported HLVd in up to 90 percent

Cannabis cultivators face various challenges, one of which is the Hop Latent Viroid (HpLVd).