33 



>r. Factors Affecting Bud Dormancy in Plants , To determine 



nature of bud dormancy in plants and to develop weed control 

 measures based on such findings. Field and greenhouse work 

 will include: Establish the phenology of several economically 

 important weed species relative to breaking and including bud 

 dormancy. Measure effects of day length, day and night tem- 

 peratures and moisture levels under controlled greenhouse con- 

 ditions. Attempt to accumulate continuous air and soil tem- 

 peratures. Measure effects of control practices on bud pro- 

 duction, visability and vigor. In the lab, work falls under 

 3 major fields: 1. biochemical analysis of plant and bud 

 tissues to determine inherent control mechanisms such as enzyme 

 levels, hormones, growth substances, carbohydrate levels, etc, 

 2. determine effects of varying nutritional levels through use 

 of tissue culture technique using excised buds. Compare pro- 

 teins, amino acids, carbohydrates and enzymes, 3« screen and 

 develop chemicals which may have value in inducing or breaking 

 bud dormancy, starting with ethylene chlorohydrin, indoleacetic 

 acid, phenoxyacetic acid and urea derivatives. 

 Agron. h78 (NC-10) Coop. ARS 



H. Effects of Light Quality on Plant Growth , To determine 



effects of light from various white and colored fluorescent 

 lamps, alone and in combinations with light from incandescent 

 lamps, on plant growth, 

 Bot. 91 



J, Effects of Plant Environment on Vegetables in New Jersey « 



To learn (1) needs among different varieties of vegetable crops 

 in chemical and physical environment for best growth, yield and 

 quality of product, (2) yield for various crops grown on irri- 

 gated vegetable fertility plots, (3) effects of use of nitri- 

 fied materials as sidedresser, and (h) more about timing of 

 irrigation by measurement, 

 Ent., Hort, 3l*0 



J, Influence of Environment and Cultural Practices on Tomato 



Maturity, Yield and Quality . (1) Initiate early flowering in 

 fresh market and commercial canning varieties. (2) Develop a 

 practical method of forecasting time of maturity. (3) Establish 

 relationships of several elements of climate to tomato fruit 

 production and quality by means of correlation analyses, (h) 

 Develop a practical method of storing seedlings to accomplish 

 vernalization and at same time make available more greenhouse 

 or frame space, 

 Hort. 357 



J. Factors Influencing the Storage Life of Apples . To learn 



factors (1) related to occurrence of apple scald, (2) affecting 

 moisture loss and nest rot, (3) operative under storage con- 

 ditions affecting storage life. 

 PI. Path. U78 



