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Ohio Apple Scald Control by Means of Oxidizing and Absorb - 



ing Agents at the Surface of the Skin. To investigate the 

 use of (1) wax emulsions containing oily and greasy sub- 

 stances such as refined mineral oil and petrolatums as 

 absorbers for volatlles causing scald; and, (2) reactive 

 gases introduced into the atmosphere to combine with or 

 oxidize the volatlles causing scald. 

 Hort. 153 



W. Va. Apple Measles . To secure a better knowledge of the 

 nature sind cause of the diseases of apple bark commonly 

 known as "measles" with the view of eventually working out 

 methods of control. 



Plant Path,, Hort. 8 



Insect Control 



Colo . Influence of Orchard Management Practices on Insect 

 and Mite Populations of Pome Fruits . To (1) maintain low 

 orchard popvilations of mite pests through selective Insectl- 

 cidal rotations to combat build-up of resistance; (2) study 

 beneficial species involved in reduction of poptilations and 

 select insecticides least harmful to si)ecies; (3) study 

 various types of insecticide rotation to leeu:n which is most 

 efficient; and, (k) environmental and cxiltural factors pro- 

 moting popiilations of beneficial species, 

 Ent. 37 



Conn. Control of Orchard Insects with Concentrated Sprays , 

 Learn (1) efficiency of concentrated sprays applied by a 

 mist blower in controlling mites, apple maggots, and other 

 important pests of apples; and, (2) effect of concentrated 

 sprays on fruit and foliage. 

 Ent, 318 



Ind. Development of Practical Methods for Control of Insects 

 and Mites Attacking Apples , To develop practical methods for 

 control of mites and Insects attacking apples, 

 Ent. 663 Coop. USDA 



Maine Control of the Apple Maggot , To learn (l) insecticide or 

 insecticide combination most effective in control of apple 

 maggot in state; (2) effect materials have on fruit finish; 

 (3) effect materials have on mite, predator -parasite complex; 

 and, (k) interaction arising from use of materials in insect- 

 disease control aspect. 

 Ent, 12 



