205 



SPRAY CALENDAR FOR APPLES. 



Compiled in Office of State Board of Agriculture by Eravin H. 

 FoRBusH, Second Clerk, 



[General importance of sprayings is indicated by size of type.] 



What to spray for. 



When to spray (in Proper 

 Succession). 



What to use. 



1. San Jose and other 

 scale pests, and as a 

 general sanitary meas- 

 ure. ' 



2. Scab, cpRcrno, 



MOTH, ETC. 



3. Codling moth, canker 

 worm, and other leaf 

 feeding insects. ^ 



4. Curculio, 

 rust, etc. 



scab, blotch, 



. Codling moth, scab, brown 

 rot, etc. 



6. Bitter rot, apple blotch, 

 black rot, brown rot.' 



While trees are dormant 

 (from November to 

 March). 



Just after leaf buds 



BURST and before BLOS- 

 SOM BUDS OPEX. 



As soon after the petals 

 fall as possible, surely 

 within ten days, so that 

 the calyx can be filled 

 with the poison before 

 it closes up. 



From two to three weeks 

 after the blossoms fall. 



June 25 to July 5, 



July 25 to August 1, 



Concentrated lime-sulphur 

 (home boiled preparation 

 for ertensive operations, 

 but commercial mixture 

 for medium and small 

 orchards), or miscible oils. 



Bordeaux mixture (4-4-50), 

 to which has been added 

 3 pounds of arsenate of 

 lead to 50 gallons, or 

 dilute lime-sulphur and 

 arsenate of lead applied 

 separately. 



Bordeaux mixture (1-2-50), 

 to which should be added 

 from 3 to 4 pounds of ar- 

 senate of lead to each 50 

 gallons. 



Same as No. 3. 



Same as No. 3. (Where fun- 

 gous diseases are very prev- 

 alent the Bordeaux will 

 prove more efBcacious than 

 the lime-sulphur.) 



Bordeaux mixture (3-3-50), to 

 which 2 to 3 pounds of arse- 

 nate of lead have been 

 added. 



' The two most important sprayings. In many cases these may be all that are necessary. 



' This spraying needed only where fungous diseases or insect pests are extremely numer- 

 ous and troublesome. In this section of the country this is useful in the control of apple 

 blotch only. ^-«J 



111 regard to the above table it may be well to discuss 

 briefly some of the direc^tions therein given, and to give some 

 further instructions for the benefit of those who may be 

 starting in the business of orcharding. It will be noted that 

 sprays Xos. 1 and 3 are designated as the most important. 



