-49- 



Md. Production. Harvesting, Curing and Storing of Maryland 



Tobacco*— D, Tobacco Housing . To determine optimum conditions 

 of temperature, humidity & air movement for the curing & stor- 

 ing of tobacco, to determine the extent to which it is econom- 

 ically justifiable to achieve these conditions, & to design & 

 develop equipment & methods to maintain these conditions as 

 uniformly as possible in all parts of full-size barns. 

 Agr. Engin. R-ll-D 



Md. Production. Harvesting. Curing and Storing of Maryland 



Tobacco. — E« Structures and Equipment for Tobacco Stripping 

 To determine the best design of stripping room as affected 

 by size, arrangement and natural and artificial lighting; to 

 determine optimum conditions for keeping tobacco in desirable 

 condition and to design and test equipment for this purpose; 

 and to develop new and improved equipment for stripping oper- 

 ations. 



Agr. Engin., Agron. R-ll-E 



Md. Development of Improved Strains of Maryland Tobacco Re- 



sistant to Diseases . To develop improved strains of Maryland 

 tobacco resistant to major diseases of tobacco, as mosaic, 

 black root rot, wildfire, black shank, Granville wilt, and 

 fusarium wilt. 



Bot., Agron. J-95 Coop. ARS 



Mass. The Improvement of Havana Seed Tobacco . To improve 



Havanna Seed tobacco inherently by breeding new strains of to- 

 bacco which combine high resistance to black root rot, common 

 tobacco mosaic, & wildfire, with habits of growth & yielding 

 capacity that are highly acceptable to growers, &, also, the 

 capacity to produce tobacco of type of quality that are highly 

 acceptable to cigar manufacturers. 

 Agron. 4 



Mass. Studies of the Usefulness of Soil Conditioning Materials 



in the Production of Tobacco Plantbeds to Include Investiga- 

 tions on the Causes and Prevention of Ammonia Injury . Expand 

 study on use of soil conditioning materials to include a study 

 of conditions causing NH3 to develop in harmful amounts in 

 plantbeds & find means of preventing NH3 injury. 

 Agron • 8 



N. T. Studies of Heredity in Plants.— C. Cytogenetic Studies 



(Cornell) on Nicptiana and Related Problems . Investigations consist 



primarily of analyses of the inheritance of quantitative char- 

 acters, the effects of alterations in chromosome number and 

 structure, and related problems. 

 PI. Brdg. 117-C 



