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Miss. Inheritance Studies Concer n ing Yield, Fiber 



Properties, and Disease and Insect Resistan c e in Upland 

 Cotton . To (1) classify and isolate as far as possible 

 factors which affect yield, fiber properties, and 

 disease and insect resistance, (2) determine when 

 possible genetic ratios expressed by simply inherited 

 factors and number of factors involved where 

 inheritance is more complex; and (3) determine at what 

 stage in cotton development, specific factors are 

 operating to produce end results observed. 

 Agron. RRFU-l-c (S-l^ Coop. ARS 



Miss. Improve ment _ of Methods and Equipment for Growing 



Cotton . To (1) determine efficiency of different types 

 of stalk shredders and improve machines for stalk disposal, 

 (2) evaluate methods of seedbed preparation and learn 

 effect of different methods of preparation on stand, weed 

 control and crop yield, (3) learn effects of several deep 

 tillage methods on hardpan soils of the Yazoo-Mississippi 

 Delta, {k) learn effect of different openers and planting 

 methods on stand and yield with special reference to 

 improved seed germination and stands in heavy clay soils 

 of the Yazoo-Mississippi Delta, (5) test, evaluate, and 

 improve new or experimental equipment for field application 

 of both liquid and granular fertilizers, (6) design, test, 

 evaluate, and improve machines and techniques for the 

 application of both pre- and post-emergence herbicides, 

 (7) test, modify and improve mechanical methods of weed 

 control, including flame cultivation equipment, and (8) 

 evaluate and improve machines and methods for controlling 

 cotton insects with particular emphasis on efficiency of 

 application and adaptability of equipment for multiple 

 uses. 



Engin., Agron. RRPU-2-a (S-2) Coop. ARS 



Mo. Insects of Cotton in the Cotton Growing Section of 



Mi ssouri . To become familiar with the biology and habits 

 of major insect pests of cotton in the cotton section of 

 Missouri; to evaluate their importance; determine the insect 

 pest population levels which justify use of control 

 measures; and work out effective controls. 

 Ent. ZlA 



