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Ocimum americanum, known as American basil, lime basil, [2] or hoary basil, [3] is a species of annual herb in the family Lamiaceae. Despite the misleading name, it is native to Africa, the Indian Subcontinent, China, and Southeast Asia. The species is naturalized in Queensland, Christmas Island, and parts of tropical America.
Ocimum tenuiflorum, commonly known as holy basil, tulasi or tulsi (from Sanskrit), is an aromatic perennial plant in the family Lamiaceae. [2] [3] It is widely cultivated throughout the Southeast Asian tropics. [1] [4] [5] It is native to tropical and subtropical regions of Asia, Australia and the western Pacific. [1]
Vernalization (from Latin vernus 'of the spring') is the induction of a plant's flowering process by exposure to the prolonged cold of winter, or by an artificial equivalent. After vernalization, plants have acquired the ability to flower, but they may require additional seasonal cues or weeks of growth before they will actually do so.
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Picking the leaves off the plant helps promote growth, largely because the plant responds by converting pairs of leaflets next to the topmost leaves into new stems. [ citation needed ] Once the plant is allowed to flower, it may produce seed pods containing small black seeds, which can be saved and planted the following year.
This image shows the development of a normal plant. It resembles the different growth processes for a leaf, a stem, etc. On top of the gradual growth of the plant, the image reveals the true meaning of phototropism and cell elongation, meaning the light energy from the sun is causing the growing plant to bend towards the light aka elongate.
Agronomic studies often focus on the above-ground part of plant biomass, and consider crop growth rates rather than individual plant growth rates. Nonetheless there is a strong corollary between the two approaches. More specifically, the ULR as discussed above shows up in crop growth analysis as well, as: = . = .
Clean air plays a crucial role in purifying the environment for plants in aeroponics. Unrestricted access to air is necessary for natural plant growth and successful physiological development. If the support structure restricts the plant's natural growth, it can increase the risk of plant damage and subsequent disease formation.