Stock Solutions. 3871 
The operator must watch matters closely, and spray 
when he needs to do so, or when he is in doubt. 
Two sprayings are sufficient for the codlin-moth, and 
three are generally sufficient for the apple-scab. 
These two sprayings constitute the insurance which 
has been mentioned; thereafter, the grower will be 
able to see more definitely what is needed. These 
remarks illustrate the nature of the questions which 
the fruit-grower must consider. 
At any time when the tree is in growth, Paris 
green or London purple should be used, with lime, 
or, better, with Bordeaux mixture, to prevent injury 
to the foliage. One pound of Paris green to two 
hundred gallons of water is the most serviceable gen- 
eral formula for that material; and to this a pound 
or two of lime may be added. A pound of Paris 
green (or London purple) may be added to two hun- 
dred gallons of Bordeaux mixture. If the Paris green 
is made into a paste with a little water, it mixes bet- 
ter in the barrel. 
9. Prepare stock solutions for the Bordeaux mir- 
ture,* rather than to make each batch in the quantities 
* NORMAL OR 1.6 PER CENT BORDEAUX MIXTURE. 
Copper sulla te: sate cccetcactasisiai3 sats tecygrarsi de vias lane ueatane’ aie bis etessayslbrasiveds 6 pounds 
Quicklime + pounds 
Wat iiiscuwiciscan sanatsaprs mocma cs eegeaahios iotasiek noeeeio’ 40-50 gallons 
Dissolve the copper sulfate by putting it in a bag of coarse cloth and 
hanging this in a vessel holding at least six gallons, so that it is just 
covered by the water. Use an earthen or wooden vessel. Slake the lime 
in an equal amount of water. Then mix the two and add enough water 
to make forty gallons. It is then ready for immediate use. If the mixture 
is to be used on peach foliage, it is advisable to add two pounds of lime 
in the above formula. When applied to such plants as carnations or ¢ab- 
bages, it will adhere better if about a pound of hard soap be dissolved in 
hot water and added to the mixture. 
