Wednesday, May 29, 2024

Cannabis domestication goes back 12,000 years, according to study

Cannabis was first domesticated around 12,000 years ago in China, researchers found, after analyzing the genomes of plants from across the world. The study, published in the journal Science Advances, said the genomic history of cannabis domestication had been under-studied compared to other crop species, largely due to legal restrictions. The researchers compiled 110 whole genomes covering the full spectrum of wild-growing feral plants, landraces, historical cultivars, and modern hybrids of plants used for hemp and drug purposes, reports Phys.org. The study said it identified “the time and origin of domestication, post-domestication divergence patterns and present-day genetic diversity”. Cannabis has been used for millennia for textiles and for its medicinal and recreational properties. The current highly specialized hemp and drug varieties are thought to come from selective cultures initiated about 4,000 years ago, optimized for the production of fibres or cannabinoids. The selection led to unbranched, tall hemp plants with more fibre in the main stem, and well-branched, short marijuana plants with more flowers, maximizing resin production.

 

https://phys.org/news/2021-07-cannabis-domesticated-years.html

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