-34- 



N. Kex. The Relationship of Nematodes to Seedling Diseases and 

 Verticillium Wilt of Economic Plants . Learn (l) nematodes 

 associated with seedling diseases & Verticil lima, wilt; (2) 

 role played by nematodes in development of these diseases* 

 (3) Devise & evaluate control measures for any disease com- 

 plexes found. 



Bot. , Ent. 74 Coop. ARS 



N. C. The Control of Cotton Insects in North Carolina . To (l) 



determine thru field experiments, best available chemical & 

 cultural control for important cotton insects, including boll 

 weevil, boll worms, thrips, mites & aphids; (2) Conduct lab 

 screening tests on these pests using new candidate insecticides 

 to find new & better materials for control; (3) study possible 

 correlation between climatic conditions & cotton pest incidence; 

 & (4) determine effects of insecticide residues occurring in 

 the soil as a result of chemical control of cotton insects on 

 crops subsequently grown on same land. 

 Ent. 43 



Okla. New Developments in the Use of Fungicides for Cotton Seed- 



ling Disease Control . To protect cotton seed against decay & 

 cotton seedlings against damage from seedling disease pathogens. 

 Bot., PI. Path. 482 



S. C. Cotton Seedling Diseases, and the Etiology of Boll Rots 



as Related to the Quality of Seed and Fiber . To (1) develop 

 seed & soil treatments that will assist in obtaining adequate 

 stands of seedlings; & (2) study etiology of boll rots as re- 

 lated to seed & fiber quality, & their possible control thru 

 cultural practices. 



Bot. 120 Coop. USDA 



S. C. Causes of Non-Fluffed Locks in Cotton and Their Effect 



on Yield. Quality. Mechanical Harvesting and Ginning . Learn 



(1) influence of insects & insecticides; fungi & bacteria ; 

 defoliants & defoliation; soil temperature, atmospheric tem- 

 perature, & soil moisture on occurrence of non- fluffed locks; 



(2) influence of non-fluffed locks on .mechanical picker per- 

 formance; ginning; lint fiber qualities; seed quality & germ- 

 ination; yield of seed cotton, seed, & lint. 



Agr. Engin., Ent. 395 Coop. ARS 



