Kans. 
Kans. 
Kans. 
Maine 
26'> 
The Long Range Effects of Insecticides Upon Fecundity and 
Longevity in House Flies and Other Insects of Medical and Verteri- 
nary importance. To determine alteration in reproductive potential 
and life span in that segment of an insect population which survives 
exposure to chlorinated insecticides and organic phosphorus insecti- 
cides. 
Ent. 249 
The Relationship Between the Use of Some Chemical Compounds 
and Cultural Practices on the Vegetative Response and Fruitfulness 
of Fruit Plants. To determine influence of various chemical com- 
pounds used as insecticides, fungicides, herbicides, growth regula- 
tors, or fertilizers on the photosynthetic activity, blossom bud 
formation, fruit production or vegetative characteristics of fruit 
plants. 
Hort. 265 
Mode of Action of Insecticides. Investigate the following in 
insects and other animals and plants; (1) Rates and routes of entry 
and distribution of insecticidal chemicals, (2) intoxication pro- 
cesses, (3) detoxication and excretion mechanisms. 
Ent. 476 
The Effect of Chemicals Used _in Agriculture on the Soil 
Microflora. To determine effects of herbicides, pesticides, 
defoliants, etc., upon the microorganisms present in the soils 
of Louisiana. 
Pl. Path., Bot. 837 (S-22) 
Effect of Soil Residues of DDT and Toxaphene on Plant Growth. 
To determine possible toxic effects to potatoes from continued 
application to soil and to plants of DDT and toxaphene, especially 
possible effects on flavor or other quality factors, accumulation 
and persistence of residues in soil and detection of residues in 
soil. 
Ent., Chem., Agron. 82 Coop. ARS 
Evaluation of Possible Off-Flavors Resulting from the Appli- 
cation of Chemicals on Soils and Growing Crops. To Ge) develop 
efficient, uniform methods for evaluating off-flavors in food; 
(2) provide screening apparatus for evaluating new chemicals pro- 
posed for use on soils and growing crops. 
Hort., QH-5&o (NE-15) 
