254 APPENDIX 



Paris Green or Arsenate of Lead. Directions for 

 preparation and use of Paris green are given on page 56. 

 Arsenate of lead is somewhat safer than Paris green, and 

 is not so liable to burn the foliage. 



Directions: Dissolve n oz. acetate of lead (sugar of 

 lead) in 4 quarts of water in a wooden pail, and 4 oz. arse- 

 nate of soda in a quart of water in another wooden pail. 

 Pour the solutions together and add enough water to make 

 150 gal. (Instead of making the arsenate of lead solu- 

 tion, a market preparation such as disparene may be used 

 in the proportion of 3 or 4 Ib. to 50 gal. of water.) Sprinkle 

 or spray. 



Use for codling moth, tent caterpillar, potato beetle, and 

 all other biting insects. 



Bordeaux Mixture and Paris Green or Arsenate of 

 Lead. It is usually wise to make a combination mixture, 

 so that one operation will get rid of the fungi and the biting 

 insects that may be destroying the leaves or fruit at the same 

 time. 



To each 50 gal. of Bordeaux mixture add 4 oz. of Paris 

 green; or, to each 50 gal. of Bordeaux mixture add i gal. 

 of the arsenate of lead solution before it is diluted with 

 water. Spray. 



Kerosene Emulsion. See page 56. 



2 gal. kerosene. 

 | Ib. common soap, 

 i gal. water. 



Dissolve the soap in hot water, add the kerosene, and 

 churn together until a white creamy mass is formed which 

 thickens on cooling. Dilute with nine times the amount 

 of water before using. If it is more convenient, i gal. of 



