92 



ORANGE CULTURE. 



Boil tobacco in sufficient water to extract the full strength, strain 

 and measure liquid ; put in a barrel, and add enough water to 

 make up the forty gallons ; then add the copperas, and stir till 

 dissolved. Apply as before stated. 



Ko. 3. 



Whale-oil Soap 10 pounds. 



Kerosene Oil 5 gallons. 



Water 5 " 



Common soap will do just as well, if the other is not to be had. 



Dissolve the whale-oil soap in hot water, then add the kero- 

 sene, churn them together until well mixed. For use : add one 

 quart of the emulsion to two gallons of water. Apply as before. 



This preparation is destined to supersede the lately discov- 

 ered " kerosene butter," made by combining condensed milk and 

 kerosene, as being much cheaper, quite as effectual, and much 

 less labor to prepare. It does not injure the most tender shoots, 

 and kills the scale at once ; is also a valuable fertilizer, and as it 

 falls back from the leaves and sinks into the ground, drives away 

 the ants and other insects that may be in hiding around the tree. 



No. 4. 



Cotton seed hull meal or ash ; syringe the tree with water, then 

 throw up the ash into the tree. 



This is effectual for small trees, but not so good on large, be- 

 cause the upper limbs are apt to escape. 



FOR THE MEALY BUG. 



The formula given as No. o is the safest to apply to the bug, 

 as the other washes seem to injure it very little, if any ; kerosene 

 will destroy it. 



FOR THE RUST MITE. 



Any of ' the above, but especially No. 2, will check their 

 Avork if applied early, as soon as the first signs of them are de- 

 tected ; but the best and the most permanently effective treat- 

 ment is slaked lime, dusted into the tree as thoroughly as may 

 be, and scattered on the ground as far out as the roots extend. 



Whether this application kills the insects, or whether the 



