-50- 



N. C. Fundamentals of Tobacco Curing . To formulate basic curing 



principles pertinent to development of improved methods & proce- 

 dures for processing & marketing tobacco, 

 Agr. Engin. HM-7 Coop. ARS 



N. C. Tobacco Mechanization . To determine principles pertaining 



to the mechanization of tobacco culture, evaluate their import- 

 ance & apply them toward improving present cultural practices. 

 Agr. Engin., Agron. 11 Coop. ARS 



N. C. Studies of Certain Physical and/or Chemical Properties 



of Tobacco as Related to Quality ! To (1) devise new methods 

 or adapt existing procedures for measurement of physical or 

 chemical characteristics of tobacco as related to quality, 



(2) study relationship between these measurable properties 



& quality, & (3) integrate into quality evaluation schedule, 

 measurement of appropriate characteristics. 

 Agron. 40 



N. C. Insecticidal Control of Insects Attacking Flue-Cured and 



Bur ley Tobacco . (1) Evaluate effectiveness of insecticides 

 used to control tobacco insects. (2) Improve application methods* 



(3) Learn relation of insect injury to yield & quality of to- 

 bacco. 



Ent., Chem. , Agr. Engin. 47 Coop. ARS 



N. C# Genetic Investigations with Natural and Synthetic Strains 



of Nicotiana Tabacum . (1) Learn nature & magnitude of heritable 

 variation in natural & synthetic strains of Nicotiana tabacum . 

 (2) Learn usability of variation in a varietal improvement pro- 

 gram & devise methodology for its genetic control. (3) Develop 

 basic genetic stocks for use in varietal improvement programs. 

 Field Crops 66 Coop. ARS 



N. C. The Control of Tobacco Diseases by Soil Fumigation , (l) 



Learn effectiveness of soil fumigants against parasitic nematodes 

 & other soil borne organisms pathogenic in tobacco. (2) Study 

 dosage, method of application & treatment conditions for fumi- 

 gants used in soil. (3) Learn effects of soil fumigants on 

 yield, grade distribution, & value of tobacco & on chemical 

 composition of cured leaf. (4) Formulate recommended procedures 

 for soil fumigation practice. 



PI. Path., Chem., Field Crops 92 





