Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 970 for “"Tobacco."”.
-
Controlling Tobacco Mosaic Virus in Tobacco through Resistance
Tobacco mosaic virus (TMV) infects all classes of tobacco (Nicotiana tabacum L.) and causes losses worldwide. The N gene is the most effective means of controlling TMV; however, this gene is associated with reduced yield and quality in flue-cured tobacco. The mode of inheritance of TMV resistance …
-
Identification of Tobacco-Related Compounds in Tobacco Products and Human Hair
Analyses of tobacco products and their usage are well-researched and have implications in analytical chemistry, forensic science, toxicology, and medicine. As such, analytical methods must be developed to extract compounds of interest from tobacco products and biological specimens in order to …
-
The Inheritance of Resistance to Tobacco Mosaic Virus in Tobacco Introductions
Thirty-one tobacco introductions that were reported to display either a local lesion or a symptomless reaction to infection with tobacco mosaic virus (TMV) were screened for reaction to the virus (Chaplin and Gooding, 1969). Ten tobacco introductions (TI), TI 203, TI 407, TI 438, TI 450, TI 692, TI …
-
An Investigation of the Proteins Synthesized in Tobacco Leaves Infected With Tobacco Necrusis Virus (Tnv) and Satellite Tobacco Necrosis Virus
Made available in DSpace on 2015-05-14T14:56:19Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7317267.PDF: 3349780 bytes, checksum: a346c999a2d6a5070151832acacac3f9 (MD5) Previous issue date: 1972
-
Contribution of Tobacco to Agriculture Receipts in Four Prominent Tobacco Producing States
… USDA Agriculture Statistics on four prominent tobacco producing states-North Carolina, Kentucky, Tennessee, and Virginia--for the period of 1946 through 1995. The data were adjusted for inflation according to the Consumer Price Index and averaged for five-year periods beginning with 1946-1950 …
-
Econometric analysis of youth tobacco use: evidence from Lesotho global youth tobacco surveys
… and investigates the determinants of different tobacco products by gender among the youth aged 11 – 17+ years in Lesotho. This is achieved by estimating three independent gender logit regressions using Lesotho Global Youth Tobacco Surveys of 2002 and 2008. The results indicate that most youth …
-
Identification and genetic characterization of tobacco accessions possessing resistance to tobacco cyst nematode
Developing a flue-cured tobacco cultivar with high resistance to tobacco cyst nematode (TCN) is an important initiative in the Southern Piedmont of Virginia, where this pathogen causes severe yield losses. One hundred twenty eight lines representing a diverse geographic array of tobacco accessions, …
-
Advancing Global Tobacco Control: Exploring Worldwide Youth Attitudes and Behaviors toward Tobacco Use and Control
<p>Tobacco use continues to be the leading cause of preventable death in the world. The disproportionate increase in tobacco use in low- and middle-income countries needs immediate attention. Many smokers begin smoking as adolescents and are most likely to become permanent smokers. Moreover, youth …
-
An Investigation Into the Replication of Satellite Tobacco Necrosis Virusand Tobacco Necrosis Virus Rna Genomes
Made available in DSpace on 2015-05-14T14:57:09Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7219850.PDF: 3567601 bytes, checksum: ed569906a56663cd6e6ec4ea11683fe4 (MD5) Previous issue date: 1972
-
Quantification of tobacco aphid, Myzus nicotianae Blackman, injury to flue-cured tobacco, Nicotiana tabacum (L.)
… study was conducted to measure the impact of tobacco aphid, Myzus nicotianae Blackman, colonization and cumulative aphid-days on flue-cured tobacco, Nicotiana tabacum (L.). The objectives of the study included quantifying the response of tobacco production variables, cured leaf quality, and …
-
Quantitative analysis of individual flue-cured tobacco seed tissues reveals Tobacco mosaic virus infection in embryos
Tobacco mosaic virus (TMV) is an extensively studied RNA virus that reduces quality and yield in commercially grown tobacco (Nicotiana tabacum L.). The virus is transmitted mechanically, although infections have been associated with contaminated seeds with the seed coat being the source of virus. …
-
Strip-Tillage Production Systems for Tobacco
… tillage production systems for flue-cured tobacco (Nicotiana tabacum L.) have been studied for many years. Inadequate chemical weed control and lack of acceptable pesticide and fertilizer application resulted in consistently lower yields and inferior cured leaf quality. The development of …
-
Certain physiological effects of tobacco smoking
Thesis (Ed.M.)--Boston University
-
Minimal Contact Intervention for Tobacco Dependence
… to implement minimal contact intervention for tobacco cessation with their clients. This study also described what components of the intervention may have contributed to the adherence of the policy and how health care providers felt about adhering to the policy. The intervention consisted of a …
-
Flue-cured tobacco: alternative management systems
… United States share of the exported flue-cured tobacco market has decreased over the last decade as other countries have increased production of improved quality tobacco. Such tobacco is available at a substantially lower price than U. S. tobacco and thus desirable for the manufacture of less …
-
Towards a tobacco-free generation. A study on the tobacco habits of adolescents: when, why and who?
Why adolescents are using tobacco is a large and complex issue. There are factors on society, group and individual levels that affect the youngsters. The norms and attitudes in their surrounding, as well as the tobacco habits of parents and friends, are important when it comes to affecting …
-
An analysis of tobacco cessation quit aids and quit attempts from a national study on tobacco cessation
… Committee, the components of cigarettes and tobacco smoke and the mechanisms by which these cause disease have been studied extensively. Despite the well-documented health consequences associated with tobacco use, nearly 70 million Americans over the age of 12 actively use tobacco products, …
-
Tobacco control in Zimbabwe and the WHO Framework Convention on Tobacco Control (WHO FCTC): State of Affairs
… opposition to the WHO Framework Convention on Tobacco Control (WHO FCTC). Since the country’s ratification of the WHO FCTC in 2014, the government has put in place financial incentives to promote tobacco production, contrary to the WHO FCTC. The conflicting signals, coupled with seemingly …
Page 1 of 49