Conn e 
Dele 
Ind. 
Maine 
Maine 
N e Mexe 
-3- 
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; (2) effect of concentrated sprays 
on fruit and foliage. 
Ent. 318 
New Insecticides for Fruit. To improve control of 
destructive orchard pests in state, without impairing finish 
of fruit or introducing residue hazards. 
Ente, Hort. 4-5 
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. ARS 
Control of the Apple Maggot. To learn (1) 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; (4) interaction arising from use of materials in 
insect-disease control aspect. 
Ente 12 
Biology and Control of the European Red Mite. To learn 
(1-3) efficiency of various new materials in large scale 
spray operations approximating commercial conditions; 
(2) efficiency of experimental acaricides under conditions 
in state for possible inclusion in future control recommenda-= 
tions; (3) effect, if any, the inclusion of more common 
Pungicides have on efficiency of tested acaricides. 
(4) Continue study on biology and life history of European 
red mite as found in state. 
Ent., Pl. Path. 13 
The Evaluation of Clonal Apple Rootstocks for the 
Production of Dwarf or Semi-Dwarf Trees and for Resistance 
to the Woolly Aphid Insect. To (1) compare and evaluate 
growth, production and other economic characteristics of 
trees of commercial apple varieties grafted on certain 
clonally propagated rootstocks; and (2) evaluate rootstocks 
for resistance of Woolly Apple Aphid. 
Hort. 56 
