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Landrace.wiki

The encyclopedia and open conservation database for landrace cannabis populations, their genetics and the traditional knowledge that sustains them.

A steep forested mountainside under low cloud, with small cleared terraces and a hut partway up the slope
Picture of the day
Looking up from Rasol towards the trail to the high-altitude fields of Vairam, above 3,000 m; small terraces of landrace cannabis dot the mountainside.

Accession Map

Filter by collection year, classification, seed lot, sourcing type or provenance evidence, and select a marker for accession details. Every figure on this card describes the accessions currently shown. A further 556 documented accessions carry no coordinates yet and cannot be mapped.

Interactive map of documented accessions. It is unavailable here; browse the accession list instead.
Seed lot status
UrgentAt riskSecureHeld in a genebank, not distributedNo data yet, or too little to rateWhat these mean
365of the 1103 accessions on this map have a seed lot rated Urgent. See which populations to grow out first
Places
Growing region
Northern Afghanistan
Afghanistan
Cannabis growing region drawn on the seven provinces of the Northern region of the Afghan cannabis surveys of 2009 to 2012, less the Hindu Kush, holding the Balkh growing area
Helmand
Southern Afghanistan · Afghanistan
Hopar Valley
Karakoram · Pakistan
Hunza
Karakoram · Pakistan
Idukki
Western Ghats · India
Research

Latest publications

Venue: Agriculture and Natural Resources
30 Sep 2026
Compares selfing with intercrossing for producing feminized seed from two Thai landrace accessions of Hang Kra Rok cannabis, one from Bangkok and one from Sakon Nakhon. Female cuttings were treated with colloidal silver to induce male flowers, and the progeny were grown in a plant factory with artificial lighting. Both selfed lines and the Sakon Nakhon by Bangkok cross gave 100% female plants, while the reciprocal cross produced one hermaphrodite (5.6%). Dry inflorescence weight did not differ between treatments. The Bangkok selfed line had the highest THC content at 6.58%. The plants were grown under artificial light, so the chemistry is not field chemistry.
Map of reported cannabis events. The interactive map is unavailable here; see the current events portal instead.
Activity

Recently updated

29 Oct 2026Pleskana
29 Oct 2026Khomy
29 Oct 2026Siemieniotka
29 Oct 2026Yunnan
29 Oct 2026Volta
29 Oct 2026Transbaikal
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Learn what an accession is, how to read its fields and maps, and what the status of its seed lot means.

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