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On the other hand, as the VPD increases, the plant needs to draw more water from its roots. In the case of cuttings, the plant may dry out and die. For this reason the ideal range for VPD in a greenhouse is from 0.45 kPa to 1.25 kPa, ideally sitting at around 0.85 kPa. As a general rule, most plants grow well at VPDs of between 0.8 and 0.95 kPa.
Cannabis plants produce a unique family of terpeno-phenolic compounds called cannabinoids, some of which produce the "high" which may be experienced from consuming marijuana. There are 483 identifiable chemical constituents known to exist in the cannabis plant, [53] and at least 85 different cannabinoids have been isolated from the plant. [54]
Cannabinoids (/ k ə ˈ n æ b ə n ɔɪ d z ˌ ˈ k æ n ə b ə n ɔɪ d z /) are compounds found in the cannabis plant or synthetic compounds that can interact with the endocannabinoid system. [1] [2] The most notable cannabinoid is the phytocannabinoid tetrahydrocannabinol (THC) (Delta-9-THC), the primary intoxicating compound in cannabis.
Cannabis plants vary widely, with different strains producing dynamic balances of cannabinoids (THC, CBD, etc.) and yielding markedly different effects. Popular strains are often hybrids of C. sativa and C. indica. The medicinal effects of cannabis are widely studied, and are active topics of research both at universities and private research ...
While the virulence of P. cannabina pv. cannabina has not yet been studied extensively, a single square foot of marijuana plants can yield up to 6 ounces of sellable material which translates to a market value of roughly US$1800/sq ft, depending on strain and local market prices, [citation needed] so even a small overall yield loss due to ...
Van Patten founded both Interport USA in 1983 and then Van Patten Publishing in 1998 to self-publish his books. Van Patten printed the first edition of Indoor Marijuana Horticulture (1983) at a local print shop. At night, he rented the lithograph press from the print shop to print the 96-page book.
The graph shows equity capital raises in cannabis by quarter and sector from 2019 to the present. The Q2:22 figures represent March 31, 2022 – May 20, 2022. The maroon line represents the price ...
Cannabis plants can exhibit wide variation in the quantity and type of cannabinoids they produce. The mixture of cannabinoids produced by a plant is known as the plant's cannabinoid profile. Selective breeding has been used to control the genetics of plants and modify the cannabinoid profile.