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Septoria cannabis is a species of plant pathogen from the genus Septoria that causes the disease commonly known as Septoria leaf spot. Early symptoms of infection are concentric white lesions on the vegetative leaves of cannabis plants, followed by chlorosis and necrosis of the leaf until it is ultimately overcome by disease and all living cells are then killed.
Fungal diseases; Anthracnose Colletotrichum coccodes = Colletotrichum atramentarium = Colletotrichum dematium: Black dot disease Epicoccum nigrum = Epicoccum purpurascens: Black mildew Schiffnerula cannabis: Brown blight Alternaria alternata = Alternaria tenuis: Brown leaf spot and stem canker Ascochyta spp. Ascochyta prasadii Phoma spp ...
Cannabis sativa is an annual herbaceous flowering plant. The species was first classified by Carl Linnaeus in 1753. [ 1 ] The specific epithet sativa means 'cultivated'.
The problem with cannabis trim The THC oil that fills vape pens is extracted from biomass, plant material made up of lower potency leaves and stalks left after harvest, moldy flower and even high ...
Cannabis also has a long history of being used for medicinal purposes, and as a recreational drug known as marijuana or weed. Various cannabis strains have been bred, often selectively to produce high or low levels of tetrahydrocannabinol (THC), a cannabinoid and the plant's principal psychoactive constituent.
A study of more than 6 million Danes published in JAMA Psychiatry in May found that people who have cannabis use disorder (meaning, they’re unable to stop using marijuana) had a higher risk of ...
NIMBYism curbing marijuana market growth. Cannabis is one of the fastest-growing industries in the U.S. Last year, the industry generated $25 billion in sales — up 43% from 2020 — and the U.S ...
ASTM D8441/D8441M defines the IICPS as the silhouette of a cannabis leaf inside an ANSI Z535 and ISO 3864 compliant black-bordered yellow warning triangle. All dimensions of the symbol and the leaf silhouette (a novel design by David and Eli Nathan) are defined in ASTM D8441/D8441M.