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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.
Almost every part of the plant except the seed contains nicotine, but the concentration is related to different factors such as species, type of land, culture and weather conditions. The concentration of nicotine increases with the age of the plant. Tobacco leaves contain 2 to 8% nicotine combined as malate or citrate. The distribution of the ...
Chaplin, a director of the USDA Research Laboratory at Oxford, North Carolina, [14] had described the need for a higher nicotine tobacco plant in the trade publication World Tobacco in 1977, [11] and had bred a number of high-nicotine strains based on a hybrid of Nicotiana tabacum and Nicotiana rustica, [14] but they were weak and would blow ...
Nicotiana (/ ˌ n ɪ k oʊ ʃ i ˈ eɪ n ə, n ɪ ˌ k oʊ-,-k ɒ t i-,-ˈ ɑː n ə,-ˈ æ n ə / [2] [3] [4]) is a genus of herbaceous plants and shrubs in the family Solanaceae, that is indigenous to the Americas, Australia, Southwestern Africa and the South Pacific.
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.
Tobacco edibles, often in the form of an infusion or a spice, have gained popularity in recent years. Tobacco water is a traditional organic insecticide used in domestic gardening. Tobacco dust can be used similarly. It is produced by boiling strong tobacco in water, or by steeping the tobacco in water for a longer period.
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 ...
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.