ZOM-THA-NKP-0220250002
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| Wang Yang 'Jen Jen Selection' General Population 2024 | |
|---|---|
| ZOM-THA-NKP-0220250002 | |
| At a Glance | |
| Classification | Landrace |
| Accession Type | General population |
| Pollination Type | Self |
| Sex expression | Monoecious |
| Primary Purpose | Recreation, Medicine, Food |
| Flowering time | 20–24 weeks |
| Plant height | 2–3 m |
| Photoperiod response | Short-day |
| Botanical Characteristics | |
| Plant shape | Conical |
| Leaflet width | Narrow |
| Leaflet number | 9 |
| Leaf green colour | Light, dark |
| Stem colour | Medium green |
| Stigma colour | Brown |
| Leaflet serration | Shallow |
| Also noted | Apical dominance |
| Processing | |
| Method | Ganja |
| Notes | Whole branches dried and cured in semi-darkness in outdoor sheds |
| Hierarchy | |
| Growing Region | Northeastern Thailand |
| Location | |
| Country | Thailand |
| Province/State | Nakhon Phanom |
| District | Wang Yang |
| Locality | Wang Yang |
| Coordinates | 17.063929, 104.454390 |
| Point type | Obfuscated field point |
| Uncertainty | about 500 m |
| Elevation | 172 m |
| Traditional Names | |
| Local Name | กัญชา |
| Pronunciation | Kạỵchā |
| Translation | Ganja |
| Synonyms | Hang Krarok Phu Phan, Hang Krarok, Hang Suea, Foytong |
| Collection | |
| Method | Seeds |
| Sourcing Type | Point of Origin |
| Autochthonous | Yes |
| Date | 2024 |
| Harvest Date | 2025 |
| Collector | Isabella |
| Farmer | Jen Jen |
| Expedition | ISAN02 |
| Conservation | |
| Main lot | Zomia Genetic Library Seed lot: Urgent backup copy backup copy: no backup copy
|
| Legal Threats | Legal cultivation permitted |
| M/F Ratio | 5% |
| Hermaphroditism | 20% |
| Culling | Yes |
| Introgression | Minimal |
| Cultivation | |
| Status | Active |
| System Type | Poly-culture, Mono-cropped, Rotating |
| Scale | Some regional cultivation |
| Seed Sourcing | Seeds are grown on the farm, Seeds are sourced through informal local networks |
| Planting Method | Direct seeding |
| Cycle 1 Planting | July–September |
| Cycle 1 Harvest | December–March |
| Preservation | |
| Seed Storage | Zomia Genetic Library |
Wang Yang 'Jen Jen Selection' General Population 2024 is a landrace cannabis accession documented by Isabella in 2025. The seeds were sourced from a cultivated Lao‑Isan (Mekong) landrace population maintained by Khun Jen Jen and his family in the Wang Yang district of Thailand. The accession represents a general population of open‑pollinated plants grown for seeded ganja production.
Geography
This accession originates from the Wang Yang district of northeastern Thailand, a region historically connected to the Mekong River trade networks. The area has long been associated with Lao‑Isan cannabis cultivation and shares genetic heritage with landrace populations historically grown across the Mekong basin.
Collection Details
Seeds were collected at point of origin from plants cultivated by Khun Jen Jen and his family. The accession represents the general population of the farm rather than a single phenotype selection. Seeds are produced through open‑pollination and direct seeding practices on the farm.
Botanical Characteristics
Plants in this population display narrow leaf morphology and tall, elegant growth typical of Lao‑Isan landrace cannabis. Individuals can reach approximately 3 meters in height and exhibit long internodal spacing and high resin production.
Two expressions are commonly observed within the population:
- **Tiger Tail (Hang Suea)**
- **Squirrel Tail (Hang Krarok)**
These phenotypes represent variations within the broader Lao‑Isan landrace population historically associated with Thai‑Stick production.
Conservation Status
This accession is preserved within the Zomia Genetic Library. Although cannabis cultivation is currently permitted in Thailand, historical prohibition during the Cold War period significantly reduced traditional cultivation. This contributed to genetic bottlenecks across the region, and more recent introgression from modern hybrid varieties has begun to affect some local populations.
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