// Hop Latent Viroid · the silent yield-killer

Find it. Contain it. Grow clean.

The working knowledge base for growers fighting HLVd — symptom ID, lab testing, biosecurity SOPs, and meristem recovery. Share data, earn Stars, climb from Observer to Authority.

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146 members online · 40,891 threads · 21+ educational

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Symptoms & Identification

Dudding, stunting, brittle stems, lost vigor — is it HLVd or something else? Confirm before you cull.

12.4kthreads
VirionVic · 23 MIN

Testing & Diagnostics

PCR/qPCR, sampling sites, Ct values, lab turnaround and price — how to test, and how often.

9.8kthreads
PCR_Pete · 41 MIN

Prevention & Biosecurity

Tool sterilization, quarantine, SOPs and clean-room practice that actually stops the spread.

11.1kthreads
SterileSam · 33 MIN

Treatment & Recovery

Meristem tissue culture, thermotherapy, remediation and the hard culling decisions.

7.6kthreads
MeristemMary · 52 MIN

Active Threads

842votes

PinnedHotIs this HLVd or just heat stress? Clone, wk3 [pics]

by VirionVic · Symptoms & Identification · 312 replies · 23 MIN ago

312replies
23 MIN ago

771votes

PinnedWhich lab? qPCR turnaround + price comparison [megathread]

by PCR_Pete · Testing & Diagnostics · 356 replies · 41 MIN ago

356replies
41 MIN ago

799votes

PinnedSolvedSterilization SOP that stopped spread in our garden

by SterileSam · Prevention & Biosecurity · 356 replies · 33 MIN ago

356replies
33 MIN ago

754votes

PinnedHotMeristem tissue culture cleaned our elite cut [full writeup]

by MeristemMary · Treatment & Recovery · 341 replies · 52 MIN ago

341replies
52 MIN ago

By the Numbers

40,891Threads

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19,440Members

146Online