- 62 - 



Mo, The Culture of Stone Fruits In Missouri , To (l) Evaluate 



fiuiaptabllity of recently introduced varieties for commercial 

 emd home production; (2) find dependable method of fruit 

 thinning by application of sprays; (3) develop a system of 

 soil management conducive to high production and q.uality 

 under a continuous sod cover; (k) study pruning methods that 

 will reduce hand operations to the minimum and that will 

 sec\ire strong highly productive trees adapted to mechanized 

 culture; and, (5) learn value of disease -free, hardy and/or 

 dwarfing rootstocks in production of stone fruits, 

 lort. 126 



Mont, Fertilizer Influences on Sveet Cherries , To determine 

 (l) influences and places of commercial fertilizers in sweet 

 cherry production; (2) ratio and level of nutrients and con- 

 stituents affecting fruit set, time and evenness of maturity, 

 emd leaf area and fruit size and quality; and, (3) quantities 

 present of main constituents as influenced by soil treatment 

 and fertilizer applications. 

 Hort. M.S, 719 



N. C. Study of Factors Influencing the Effect of Sub-Freezing 

 Teigperatures on Peach Tree Survival , To learn relationship 

 between (1) rest period and hardiness; and, (2) hetrdiness 

 and growth substances in tree. 

 Hort 87 



N. C, The Effects of Cultural Practices and Supplemental Irri - 

 gation Upon Soil Proi)erties and Orchard Performance Under 

 Semd -Hills Conditions . To (1) investigate interactions be- 

 tween soil management praxj-tice smd N fertilization and water 

 supply as to effect upon vegetative and fruiting character- 

 istics of peach tree survival and soil properties; and, (2) 

 evaluate supplemental irrigation as it affects tree growtti 

 and performance, and N requirements. 

 Soils H-116 



N, C# Soil Factors Affecting the Sujrvival of tom^ Peach Trees 

 Planted on the Sites of Old Orchards , To determine (1) role 

 of various soil factors in failure of replanted orchards with 

 a view to developing corrective measxu:es; and, (2) relation- 

 ship of certain nutritional conditions to winter hardiness 

 of peach trees, 



Agron., Soils H-II7 



