32 



Mich. Factors Affecting the Germination of Weed Seeds , To 



determine (1) physiological characters of dormancy in weed 

 seeds 5 (2) needs for testing viability of weed seeds; (3) 

 factors affecting weed seed longevity and (U) develop methods 

 of weed control based on such improved understandings. 

 Bot. and PI. Path. U67 (NC-10) 



Mich. Effect of Photoperiod (Day Length) and Temperature on 



Root Initiation, and Growth of Ornamental Plants . (1) Condi- 

 tion plants to an otherwise unfavorable environment by use of 

 photoperiod and temperature adjustment of environment. (2) 

 Extend and improve vegetative propagation of ornamental plants 

 by use of photoperiod and temperature and adjustment of 

 environment. 

 Hort. 8U6 



Minn. Storage of Grain in Various Atmospheres in Sealed Bins . 



To learn effects of various atmospheres on the microbiological, 

 entomological and biochemical factors that influence the 

 quality of stored grains, especially wheat, corn and soybeans. 

 Agr. Biochem. 1^17 



Miss. Investigations on Winter Hardiness: Studies on Certain 



Physiological and Pathological Aspects of Freezing Injuries of 

 Small Grains . Physiological studies: effect of some electro- 

 lytes and other diffusable substances on degree of freezing 

 injury. Pathological studies: predisposition of small grains 

 to action of root parasites following exposures to freezing 

 temperatures. 



PI. Path. HL-3 



Mont. Factors Affecting Sagebrush (Artemisia tridentata Var. 



Tridentata Nutt.) Seed Germination. To determine effect of 

 temperature, moisture, and other factors on the capacity of 

 sagebrush seed to germinate, in order to develop a sounder 

 basis for prediction of success of artificial measures lead- 

 ing to the reduction of sagebrush stands. 



Agron. and Soils, Bot. and Bact. 92h (W-25) 



