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8 CONTENTS. 



Page. 

 Chapter VIII. — Preparation, Composition-, and General Characters of 



THE Sprays Used 1"^" 



Preparation of the copper sprays 146 



Copper sulphate solution 1-17 



Bordeaux mixture - 149 



Eau celeste - 1'^- 



Modified eau celeste - !'''•' 



Ammoniacal copper carbonate 15-' 



Preparation of the snlj )hur sprays - l-'^'l 



Preparation of coniljined copper and sulphur sprays and notes on other 



sprays tested - - ^ "^l 



Bordeaux mixture and sulphur sprays conil^ined . .- 161 



Miscellaneous sprays ■ 161 



General characters of the sprays tested- 162 



The enduring qualities of the sprays. 16l 



The corrosive action of the sprays 164 



Advantages of discernible and indiscernible sprays 165 



' Sprays adapted to use in wet and in dry localities 166 



Chapter IX. — The Application of Sprays 167 



General accessories for winter spraying 167 



Nozzles suited to winter work 167 



Hose and extension pipes 169 



Protection of the sprayer - 1 ' 



Pumps for various sized orchards. 1 ' 1 



Spraying tanks 1 ""^ 



Applying winter sprays for curl 1 ' •"> 



The time for winter spraying - - 1 '6 



The manner of applying winter sprays 176 



Spraying where other diseases are present with curl 1 " 



Prune rust on the peach {Puccinia pnmi Pers.) - - 177 



Mildew of the peach {Podosphiera oxyacanthse De B.) 178 



Brown rot of the peach {Monilia fmdigena Pers.) , - . . 178 



Black spot of the peach {Clddosporiion carpophUum Thiim.) 178 



Winter blight of the peach and other spot and shot-hole diseases, such 



as PhyUostida drcumscissa Berk., Ccrcospom circumscifisa Sacc, etc. . 179 



Sooty mold of the peach 1 ' ^ 



Animal parasites of the peach tree l^^O 



Chapter X. — Nature and Source of the Spraying Materials Used 181 



Copper sulphate l'*^! 



Copper carbonate - - 1*^'^ 



Ammonia - 1 ^''' 



Sodium carbonate ^^' 



Sulphur - 1^0 



Chapter XI. — Peach Varieties and Nursery Stock in Relation to Curl. 194 



Comparison of peach varieties 1^'4 



Treatment of nursery stock : 206 



Summarv -*J- 



r3 



