Mont. The Effect of Chlorophenoxy Acids on Glycosidic Cyanide 

 Formation . — Find site(s) at which chlorophenoxy acids cause 

 inhibition of glycosidic cyanide formation in the metabolic 

 conversion of nitrogenous materials to glycosidic cyanide. 

 Chem. 1075 



Nebr* Factors Affecting Bud Dormancy in Plants . To determine 

 nature of bud dormancy in plants and to develop weed control 

 measures based on such findings. 1. Biochemical analysis of 

 plant and bud tissues to determine inherent control mechanisms 

 such as enzyme levels, hormones, growth substances, carbohydrates, 

 etc. 2. Determine effects of varying nutritional levels through 

 use of tissue culture technique using excised buds. Compare 

 proteins, amino acids, carbohydrates and enzymes. 3. Screen and 

 develop chemicals which may have value in indicing or breaking 

 bud dormancy, starting with ethylene chlorohydrin, indoleacetic 

 acid, phenoxyacetic acid, and urea derivatives. 

 Agron. U78 (NC-10) Coop. ARS 



N. H. Light and Temperature Effects on Phototoxicity with Respect 

 to Herbicides . To study (under greenhouse and controlled en- 

 vironmental chambers) effects of light intensity, light quality, 

 and temperature on toxicity to plants of herbicides with em- 

 phasis on 2,U-D acids and several of its derivatives, and CMTJ and 

 others of substituted ureas. 

 Bot. 90 (NE-12) 



N. J. Movement, Persistence, and Activity in Soil of Formulations 

 of Phenoxy, Carbamate, and Substituted Urea Herbicides . — To make 

 further research on phenoxy, carbamate, and substituted urea 

 compounds to evaluate movement, persistance, and retention on 

 soil colloids, and to provide basic information on these factors 

 which will assume their satisfactory use. 

 Farm Crops 257 (NE-12) 



N. Mex. The Association of Plant Characters with the Differential 



Tolerance on Strains of Field Bindweed to Growth Regulator Herbi- 

 cides . To (1) screen field bindweed for strains with differential 

 tolerance to killing action of growth regulator herbicides; (2) 

 determine if differential tolerance of bindweed strains is re- 

 lated to apparent differences in translocation of growth regulator 

 herbicides; and (3) relate differences in carbohydrates, N com- 

 pounds, respiration and metabolic products to selective action of 

 regulators on bindweed strains. 

 Agron. U7 (W-ll) Coop. ARS 



N. Y. The Role of Soils in Plant Response to Herbicides . To study 

 (Cornell) (1) influence of soils on fate of herbicides; (2) influence of 



herbicides on soils; and (3) plant response to herbicides as in- 

 fluenced by the two factors above. 

 Agron. 55 (NE-12) 



