42 MISC. PUB. 526, U. S. DEPT. OF AGRICULTURE 
TABLE 4.—Tables of measures—Continued : 
EQUIVALENT QUANTITIES OF LIQUID INSECTICIDAL MATERIAL FOR VARIOUS QUANTITIES OF WATER 
Quantity 
of water Quantity of material 
(gallons) 
100525292 pls pint. = eset Lpmts ee) | MQUaria!= bee 2 quarts=_ 2-7 =o 1 gallon. 
Dies Sipe eee 2 fluid ounces_____ 4 fluid ounces__-| 8 fluid ounces___| 1 pint___________ 1 quart. 
Ge ee Sek 214 teaspoonfuls___| 5 teaspoonfuls___| 1.6 fluid ounces__| 3.2 fiuid ounces__} 6.4 fluid ounces. 
ey eae See | 44 teaspoonful____- | 1 teaspoonful__--_| 2 teaspoonfuls___| 4 teaspoonfuls___| 1.3 fluid ounces. 
| | 
Example: If the manufacturer recommends 1 quart to 100 gallons of water, the home gardener should use 
2 teaspoonfuls to 1 gallon of water. 
DRY MEASURE 
3 level teaspoontuls  =1 level tablespoonful. 
16 level tablespoonfuls=1 cup. 
EQUIVALENT QUANTITIES OF Dry INSECTICIDAL MATERIAL FOR VARIOUS QUANTITIES OF WATER 
Quantity) 
of water | Quantities of material 
(gallons) | 
1002522 = | 1 pound_____ 2 ata 3 pounds____| 4 pounds____| 5 pounds_____-_--- | 6 pounds. 
2a Eee | 4 ounces_____ 8 ounces_____ 12 ounces____| 1 pound ____| 1 pound, 4 ounces_| 1 pound, 8 ounces. 
LPs eer | 0.8 ounce____} 1.6 ounces___| 2.4 ounces___| 3.2 ounces___}| 4 ounces____--__-- | 4.8 ounces. 
fe | 0.15 ounce___} 0.3 ounce____} 0.5 oer 0.6 ounce____| 0.8 ounce__=_____- | 1 ounce. 
| 
Erampile: If the label on a package suggests 4 pounds per 100 gallons of water, the home gardener shoul 
use 0.6 ounce (or approximately 3 tablespoonfuls in case of lead arsenate) to 1 gallon of water. 
SPRAYING AND DUSTING EQUIPMENT 
Many types of sprayers, dusters, and accessories are obtainable for 
use in applying insecticides. These range in size from those suitable 
for the home gardener to those adapted for the large commercial 
grower. Certain commonly used types are discussed below. 
SPRAYERS 
Hand atomizers.—These are the familiar sprayers (fig. 1) used for 
applying fly sprays in the home. Usually they hold from a half pint 
to a quart or more of material. They are useful for spraying house 
plants or very small outdoor plantings and are generally available 
locally. 
Ficure 1.—Hand pump atomizer. 
