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N.C. Winter Hardiness In Wocxiy Ornamental Plants , Learn (l) 



number of applications of N that can be made in a grovdng season 

 to safely obtain maximum growth and a healthy condition in woody 

 ornamentals, without risk of cold injury caused by fall freezes; 

 (2) effectiveness of different concentrations of maleic hydrazine 

 in bringing about a hardening of tissues for protection against 

 low winter temperatures; (3) effects of P and K applied on Septenber 

 1 and October 1 in promoting resistance of plants to low temperatures; 

 (A) compare N sources in relation to plant response; i.e., a source 

 of readily available N (NH^ NO3), and 1 known to release N at a 

 much slower rate_Inpt readily available), Uramite. 

 Hort,, Expt. Sta., Chen. 133 



Ohio The Effects of Various Cultural Practices on the Growth and 



Flowering of Greenhouse Roses . To (1) determine causes of blind 

 wood; (2; observe effects of soil additives on soil structure and 

 plant developnent; (3) determine relationship between heating, 

 ventilation and relative humidity throughout the day for various 

 seasons of the year; (A) determine causes of flower malformation or 

 "bullhead ing"; (5) investigate cultural conditions that affect 

 keeping qualities; and (6) observe effects of fertilization, tem- 

 perature, light and pH on color of Golden Rapture rose. 

 Hort, 5A 



Ohio The Production and Marketing of Cut Flowers and Flowering Plants 



in Snail Pots . To (1) produce, obtain and evaluate varieties of 

 chrysanthemums, azaleas, hydrangeas, and other plant species that 

 are suitable for forcing in small pots or can be adapted to that 

 type of production by cultural methods; (2) determine production 

 procedures for producing cut flowers of such type that are suitable 

 for packaging; (3) determine cost of packaging small potted plants 

 and cut flowers at the grower level; (A) determine acceptance of 

 packaged potted plants and cut flowers by consumers; (5) determine 

 most acceptable package to the customer and ones holding up best 

 throughout marketing channels; (6) determine prospective sales of 

 these potted plants and cut flowers lending themselves to sale in 

 packages; (?) determine losses involved in such packaging and market- 

 ing; (8) determine most effective methods of display to customer 

 in the store; and (9) detenaine volime of sales per square foot of 

 space in the store compared to other products. 

 Agr., Econ., Hort. 115 



Ohio Production of Nursery Stock in Metal Containers , (l) Obtain, 



produce by cultural techniques, and evaluate woody deciduous and 

 Ip evergreen plant species and varieties as to suitability for container 



production. (2) Learn production procedures for plants growing in 

 various sizes of containers. (3) Evaluate various types of containers 

 (a) Learn cost of producing nursery stock in containers, and (5) 

 extent of production losses of container grown stock. 

 Hort., Agr. Econ. 1A9-1 



