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At the peak of global tobacco production, there were 20 million rural Chinese households producing tobacco on 2.1 million hectares of land. [12] The vast majority of tobacco production is intended for the national market. While it is the major crop for millions of Chinese farmers, growing tobacco is not as profitable as cotton or sugar cane.
Cell suspension cultures such as tobacco BY-2 provide good model systems for these studies at the level of a single cell and its compartments because tobacco BY-2 cells behave very similarly to one another. The influence of neighbouring cells behavior is in the suspension is not as important as it would be in an intact plant.
Y1 has a higher nicotine content than conventional flue-cured tobacco (6.5% versus 3.2—3.5%), [16] but a comparable amount of tar, and does not affect taste or aroma. [17] British American Tobacco (BAT) began to discuss the trialling of Y1 tobacco in 1991, [18] despite it not being approved for use in the United States. [13]
Nicotiana tabacum, or cultivated tobacco, is an annually grown herbaceous plant of the genus Nicotiana. N. tabacum is the most commonly grown species in the genus Nicotiana, as the plant's leaves are commercially harvested to be processed into tobacco for human use.
Nicotiana sylvestris is a species of flowering plant in the nightshade family Solanaceae, known by the common names woodland tobacco, flowering tobacco, and South American tobacco. It is a biennial or short-lived perennial plant in the tobacco genus Nicotiana , native to the Andes region in Argentina and Bolivia, in South America.
Tobacco farming was once a common crop in the South with thousands of farms. The end of federal support and less demand has almost erased the crop.
Less clear than the health impacts of tobacco use—though still concerning to many medical professionals—is the impact upon health and society at large of nicotine-only products, and the sheer preponderance and rapid growth of what is their relatively recent adoption for use: that is, nicotine-containing products which do not contain tobacco ...
Herbicide efficacy in weed management of tobacco seed beds. Tob. Res. 44(1): 34–37. Kumaresan, M., C.Chandarasekhararao and D. Damodar Reddy. 2019. Effect of methods of irrigation and dates of planting on the yield, economics and water use efficiency of hybrid chewing tobacco (Nicotiana tabacum L.). Tob. Res. 45(1): 48–55.