DEMONSTRATION SPKAYING FOlt THE CODLING MOTH. 



71 



one man to cover the tops of the trees coinpletel}' and direct the 

 spray downward. 



Results. — The following tables show the comparative results from 

 sprayed and unsprayed trees: 



Table I. — Comparison of sound and wormy fruit frovi 5 sprayed ayid 5 unsprayed trees, 

 Winesap variety, McIIenry orchard, Aft on, Va., 1907. 



Date of spraying and 

 tree nuralier. 



Spraved Apr. 30, May 

 21, "June 24. .luly 10, 

 July 2.'-), Aug. 12. 



Tree 1 



Tree 2 



Tree 3 



Treo4 



Trees 



Trees 1 to 5 com- 

 bined 



Total 

 crop. 



Bushels. 

 19. 25 

 11.75 

 12.75 

 8.25 

 11.00 



WindfaUs. 



No. 

 37 

 20 

 42 

 43 

 56 



63.00 



204 



Unsprayed: 

 Check A. 

 Check 15 . 

 Check C. 

 Check D. 

 Check E . 



7.00 

 9.25 

 5.50 

 5.00 

 5 50 



A, B, C, D, E, 

 combined 



32. 25 



715 

 1,2.55 

 455 

 532 

 660 





No. 



168 

 180 

 126 

 172 

 180 



826 



Fruit from tree. 



No. 



205 

 206 

 168 

 215 

 236 



No. 



217 

 165 

 97 

 36 

 87 



No. 

 4,008 

 2,507 

 2,631 

 1,670 

 2,155 



1,030 



602 



54 

 115 

 53 

 85 

 62 



769 

 1,370 

 508 

 617 

 722 



531 

 521 

 419 

 307 

 475 



3,617 



369 



3,986 2,253 



13,031 



318 

 291 

 309 

 196 

 201 



1,315 



No. 



4,225 

 2,732 

 2,728 

 1,706 

 2,242 



No. 

 254 

 191 

 139 

 79 

 143 





No. 

 4,176 

 2,747 

 2,757 

 1,842 

 2, 3.35 



13,633 



849 

 812 

 728 

 503 

 076 



806 13,857 



1,246 



1.776 



874 



839 



1,135 



.372 

 406 

 362 

 281 

 263 



6& 





No. 

 4,430 

 2,938 

 2,896 

 1,921 

 2,478 



s d 



aj 3 



94.26 

 93.50 

 95.20 

 95.88 

 94.23 



13,663 ! 94.50 



1,618 

 2,182 

 1,236 

 1,120 

 1,398 



3,568 5,870 1,684 7,554 



22.99 

 18.00 

 29.28 

 25.08 

 18.81 



Table I shows an average of 94.50 per cent of fruit not wormy 

 from the sprayed trees against 22.29 per cent of fruit not wormy 

 from the unsprayed trees. This is a sa^ang of 72.21 per cent of the 

 crop in favor of sprayed trees. 



T.\BLE II. — Comparison of sound and tcormy fruit from. 5 sprayed and 5 unsprayed trees, 

 Newtown (Albemarle) Pippin variety, Mc Henry Orchard, Afton, Va., 1907. 



