6 Farmers’ Bulletin 1282. 
The sieve fits snugly inside of the box and rests on a strip 54 
inches from the upper edge of the box. 
The brush is an ordinary floor brush with edge trimmed off so 
that the corners and edges of the sieve may be reached. 
The handle, 20 inches in length, attached at right angles to the 
brush, is so constructed that the brush will rest in a level position 
over the entire length of the sieve and that the end of the handle will 
come through a slot in the upper end of the box. 
If a large quantity of dust will be needed during the season, a 
mechanical mixer will be found more satisfactory than the home- 
Fic. 1.—A mixer for use in preparation of small quantities of nicotine dust. (White.) 
made one. A sifter and mixer such as is used by bakers can be pro- 
cured in several sizes, any one of which will mix and sift the dus‘ 
thoroughly, rapidly, and economically. 
COMBINATIONS OF NICOTINE DUST WITH OTHER 
INSECTICIDES AND WITH FUNGICIDES. 
It has long been the custom in spraying operations to combine 
two or more insecticides, or an insecticide and a fungicide, when 
different types of insects or a disease and an insect are infesting 
one plant. This practice can be continued to a large extent with 
dusting; in fact, some combinations are more satisfactory in the dust 
form than as sprays. 
