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N.Y. Pesticide Residues on Apples and ffrapes at Harvest and 

 (State) at Intervals During the Growing Season * Learn residues at 

 harvest on apples and grapes grown in this area, especially 

 where mixed pesticides have been applied. Learn interval 

 between last application and time of harvest so that Federal 

 tolerances can be met. 



Food Sci. & Tech. 19 (NE-36) 



Ohio Antibiosis in Relation to Plant Disease . To (l) search 

 for new antibiotics of possible use in plant disease control; 

 (2) investigate systemic action of selected antibiotics; (3) 

 investigate synergism in antibiotics active against plant 

 pathogens; (U) investigate lysis of fungus mycelium by micro- 

 organism as a type of antibiosis; (5) investigate possibility 

 of development of strains of plant pathogens resistant to action 

 of antibiotics; and (6) investigate antagonistic phenomena known 

 or suspected to occur in relation to other projects being 

 carried out in the Department. 

 Bot., PI. Path. 6 



Oreg. Chemical Aspects of Insecticides and Fungicides . To (l) 

 develop methods for analysis of agricultural products for 

 insecticide and fungicide residues and learn amounts of 

 residues; (2) develop better techniques for applying insecticides 

 and fungicides; (3) study biochemical effects of insecticides and 

 fungicides on plant and animal tissues; and (k) improve formulation 

 methods for pesticides. 

 Agr. Chem. 85 



Pa. Relative Effectiveness and Safety of Fungicides and Mixtures 



That May Be Used on Apples, Peaches, and Cherries . To (1) 

 improve existing spray programs for disease control with emphasis 

 on yield and injury; (2) search for new methods and treatments 

 for disease control; and (3) study reasons why various fungicides 

 are effective. 

 Bot. 645 



Pa. Chemical Studies of Plant Protectant Residues; Methods of 



Disposition and Removal ^ (1) Learn best methods for producing 

 and maintaining deposits of pesticides which will be most effective 

 for control of insects, plant diseases, and weeds; (2) study 

 methods for reducing or removing pesticide residues remaining on 

 crops at harvest. 



Agr. & Biochem., Zool., Ent. 876 



Pa. Determination of Pesticide Residues , (l) Learn residues of 



insecticides, fungicides, and herbicides on fruit, vegetables, 

 forage, livestock and poultry products following application of 

 these materials; (2) develop new or improved analytical methods 

 for determining pesticide chemicals in residues. 

 Agr. & Biochem. 1308 (NE-36) 



