62 THE CONNECTICUT POMOLOGICAL SOCIETY. 



one treatment before and two after blooming- may prove 

 most economical, A general line of treatment against 

 the diseases and insects named is herewith suggested. It 

 has stood the test of practical experience. 



Spraying: First Treatment: For bud moth, case 

 bearer, apple scab and apple canker, use Bordeaux Mixture 

 and Paris Green as the buds are swelling, but before the 

 first green tips show. For apple scab alone, this treat- 

 ment is not economical. Other equivalent poisons may be 

 used instead of the Paris Green. 



Second Treatment: For bud moth, case bearer, canker 

 worm, tent caterpillar and other leaf eating insects, also 

 for apple scab and apple canker, use same treatment just 

 before the blossoms open. 



Third Treatment: For canker worm, tent caterpillar. 

 and other leaf eating insects, for codling moth, also for 

 apple scab and other fungous diseases, use same treatment 

 just after the blossoms fall. 



Fourth Treatment : Repeat the third treatment for same 

 pests after an interval of from ten to fourteen days. 



In preparing the Bordeaux Mixture dilute the copper 

 sulphate solution to two-thirds or more of the number of 

 gallons required by the formula. Mix the lime with an 

 abundance of water and pour into the copper sulphate solu- 

 tion and stir rapidly. Add lime in this way till the potassium 

 ferrocyanide test shows no free copper sulphate. Lastly, 

 add the insect poison. Bordeaux Mixture made in this 

 way stays in suspension for a much longer time than when 

 the ingredients are less diluted at the time they are mixed„ 



The lime may be slaked in large quantities and kept in 

 good condition till needed if covered with water. The use 

 of the potassium ferrocyanide test does away with the 

 necessity of weighing the lime. It is not necessary either 

 to weigh the copper sulphate because it mav be kept in a 

 saturated solution, each gallon of which will contain practi- 

 cally three pounds of the copper sulphate. It may, there- 

 fore, be measured as needed instead of being weighed. 

 You may know that the solution is saturated by always 

 keeping in it more copper sulphate crystals than it can dis- 

 solve. 



