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Landrace.wiki
The open database for landrace cannabis populations, their genetics and the traditional knowledge that sustains them.
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This comprehensive wiki is maintained by researchers, cultivators, and conservationists dedicated to preserving traditional cannabis knowledge. We document landrace genetics, cultivation practices, and preservation efforts across Asia and globally. We welcome contributions from the community, simply create a login to make edits or contact us through our project page to collaborate.
We are witnessing the rapid disappearance of traditional cultivation knowledge and genetic diversity in cannabis. Globalization has led to the dominance of commercial hybrid strains, while ancient regional varieties face extinction. These landrace populations represent thousands of years of natural and human selection, containing unique genetic traits and chemical profiles. In this critical moment, could systematic documentation and conservation efforts serve as a bridge—preserving irreplaceable genetic heritage while supporting traditional communities and advancing our understanding of this remarkable plant?
Recent updates
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5 July 2026
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07:56 | Phenotypic plasticity 3 changes history −570 [Eloise Zomia (3×)] | |||
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07:56 (cur | prev) 0 Eloise Zomia talk contribs (→Plastic traits in cannabis) | ||||
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07:41 (cur | prev) −298 Eloise Zomia talk contribs (→Plasticity and genotype) | ||||
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07:38 (cur | prev) −272 Eloise Zomia talk contribs (→Plastic traits in cannabis) | ||||
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07:55 | (Upload log) [Eloise Zomia (5×)] | |||
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07:55 Eloise Zomia talk contribs uploaded File:Cannabis-height-plasticity-range.jpg (Scale diagram comparing two cannabis plant silhouettes against a height axis in metres: one taller than four metres, the other a dwarf under one metre.) | ||||
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07:45 Eloise Zomia talk contribs uploaded File:Cannabis-trichome-maturation-stages.jpg (https://420expertadviser.com) | ||||
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07:41 Eloise Zomia talk contribs uploaded File:Cannabis-variance-partition-hemp.png (Percentage of contribution to the variability for genotype (G), year (Y), and genotype by year (G × Y) interaction for the classes of metabolites and the antioxidant activity in the inflorescences of the six hemp genotypes grown for three consecutive years (2018–2020). TPC, total phenolic content; TFC, total flavonoid content; ABTS, 2,2-azinobis-(3-ethylbenzothiazoline-6-sulphonic acid) radical scavenging activity; DPPH, 2,2-diphenyl-1-picrylhydrazyl radical scavenging activity. Beleggia, R...) | ||||
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07:29 Eloise Zomia talk contribs uploaded a new version of File:Cannabis-cannabinoid-biosynthesis-pathway.jpg | ||||
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07:22 Eloise Zomia talk contribs uploaded File:Cannabis-cannabinoid-biosynthesis-pathway.jpg (Schematic pathway diagram of Cannabinoid biosynthesis in the glandular trichome. Two labelled precursor boxes, olivetolic acid in the cytosol and geranyl pyrophosphate in the plastid, feed arrows into a single cannabigerolic acid box. Two branching arrows labelled THCA synthase and CBDA synthase lead on to THC and CBD. A side arrow shows terpenes made by terpene synthases, and the resin collects in a storage cavity beneath the cuticle.) | ||||
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07:23 | Trichome biology 2 changes history +1 [Eloise Zomia (2×)] | |||
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07:23 (cur | prev) +387 Eloise Zomia talk contribs (→Trichome types) | ||||
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07:23 (cur | prev) −386 Eloise Zomia talk contribs (→Development and maturation) | ||||
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On the wiki
Cannabis Botany – Understanding plant structure and genetics
Southeast Asia – Comprehensive regional cultivation guide
Traditional Methods – Time-tested growing techniques
Conservation Status – Current preservation efforts