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A Cannabis plant in the vegetative growth phase of its life requires more than 16–18 hours of light per day to stay vegetative. Flowering usually occurs when darkness equals at least 12 hours per day. The flowering cycle can last anywhere between seven and fifteen weeks, depending on the strain and environmental conditions.
Autoflowering cannabis or day neutral cannabis varieties automatically switch from vegetative growth to the flowering stage based on age, as opposed to the ratio of light to dark hours required with photoperiod dependent/short-day strains. Many autoflowering varieties are ready to harvest in less than 10 weeks from seed.
[19] [20] Cannabis x intersita Sojak, a strain identified in 1960, is a cross between C. sativa and C. ruderalis. [3] Attempts to produce a Cannabis strain with a shorter growing season are another application of cultivating C. ruderalis. [8] C. ruderalis when crossed with sativa and indica strains will carry the recessive autoflowering trait ...
ABC model of flower development guided by three groups of homeotic genes.. The ABC model of flower development is a scientific model of the process by which flowering plants produce a pattern of gene expression in meristems that leads to the appearance of an organ oriented towards sexual reproduction, a flower.
Book Review Index is an index of book reviews and literary criticism, found in leading academic, popular, and professional periodicals. It has been published since 1965.
The strain has been combined with the White Widow strain to produce White Russian cannabis, a plant with "a pleasantly sweet aroma" and a "long lasting effect". [17] The Chronic strain of cannabis is a cross of AK-47 with Northern Lights and Skunk #1. [16] The Cherry AK phenotype is occasionally produced by AK-47 plants. [14]
Cannabis grown is induced into flowering by decreasing its photoperiod to at least 10 hours of darkness per day. In order to initiate a flowering response, the number of hours of darkness must exceed a critical point. Generally the more hours of darkness each day, the shorter the overall flowering period but the lower the yield.
Bhang (IAST: Bhāṅg) is an edible preparation made from the leaves of the cannabis plant originating from the Indian subcontinent. [1] [2] It was used in food and drink as early as 1000 BC in ancient India.