Appendix. 517 



PREPARATION. 



Boil the soft soap and the paraffin together and when boiling add 

 1 pint of cold water and stir well. This becomes a jelly on cooling ; add 

 10 Ibs. of this jelly to every 40 gallons of water. 



USES. 



For the destruction of red spider on gooseberry, and also for killing 

 the brown scale on gooseberry and currants. 



TIME OF APPLICATION. 

 In February if only for scale, in March if for red spider or for both. 



B. Paraffin-Metal Emulsions. 



PREPARATION. 



Dissolve the copper or iron sulphate in water and add the lime water 

 or lime, and then churn in the oil and bring up to 10 gallons with water. 



USES. 



The first acts both as a fungicide and insecticide, the second as an 

 insecticide only. Aphides, leaf hoppers, thrips are destroyed by this 

 wash, and according to Mr. Spencer Pickering's results caterpillars are 

 also killed by it. 



TIME OF APPLICATION. 



Just when the buds are bursting and again when the blossom has 

 fallen. Arsenate of lead may be mixed with either of these washes. 

 Apply as a fine spray. 



QUASSIA AND SOAP WASH. 



FORMULA. 



Quassia Chips 1 Ib. 



Soft Soap Hb. 



Water 10 galls. 



