—-* 
DEMONSTRATION SPRAYING FOR THE CODLING MOTH. 71 
one man to cover the tops of the trees completely 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 from 5 sprayed and 5 unsprayed trees, 
Winesap variety, McHenry orchard, Afton, Va., 1907. 
Windfalls. | Fruit from tree. > | s ZA | 2s 
“a0 Gy LS E | as |32 | Se 
Date of spraying and| Total Ay Mohs a < 4 —5 (5S o= 
tree number. crop. GS led] 4 =| 2 = é Se ae = 
Sei kee | oe 2. <a> £ = eo |So8| 5 
S Zo S Zo = Ss oF IS42 RR] o5 
| 2 eens 2 = = 2 S 2 ee ao 
| eee ne H > = aH ram =, a am 
Sprayed Apr. 30, May | | | 
21, June 24, July 10, | 
July 25, Aug. 12. Bushels.| No. | No. | No. No. No. | No. | No. | No. | No. 
PEG Mee es acts 2 Sc 19. 25 37 | 168 205 217 | 4,008 | 4,225 254 4,176 | 4,430 94.26 
fie A ee ee | 11.75 26} 180} 206 165 | 2,567 | 2,732 | 191 | 2,747 | 2,938 | 93. 50 
eee Y 42-75 42} 126] 168] 97 | 2,631 |2,728| 139 | 2,757 | 2,896 | 95.20 
Re oS sk 8.25 43 | 172 215 | 36 | 1,670 | 1,706 | 79 | 1,842 | 1,921 | 95.88 
Were | 11.00| 56]. 180] 236 7 | 2,155 | 21242 | 143 | 2335 | 2)478 | 94.23 
Trees 1 to5com- 
Bined: 2 2... <5 63. 00 204} 826 1,030 602 13,031 13,633 806 13, 857 |13, 663 94. 50 
Unsprayed: 
LEE a St pe 4.00) ) "2 715 54 769 531 318 849 | 1,246 372 | 1,618 | 22.99 
Peek: B.S aces 9.25 | 1,255 | 115 | 1,370) 521) 291 812 | 1.776 406 ) 2,182 | 18.60 
eee © Ie oe 5.50 455 53 508 419 | 309 728 874 362 | 1,236 | 29.28 
neck: 1). 5. 0- os 5.00} 532] 8 617 307 196 503 281 | 1,120 | 25.08 
GHeck Wie) = 222 os. 5.50} 660] 62 722 475 201 676 1,135 263 | 1,398 | 18.81 
A, B, G: D, i De / / : 
combined..... 32.25 | 3,617 | 369 | 3,986 | 2,253 | 1,315 | 3,568 | 5,870 | 1,684 | 7,554 | 22.29 
| | | 
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 saving of 72.21 per cent of the 
crop in favor of sprayed trees. 
TaBLeE 1].—Comparison of sound and wormy fruit from 5 sprayed and 5 unsprayed trees, 
Newtown (Albemarle) Pippin variety, McHenry Orchard, Afton, Va., 1907. 
| Windfalls. Fruit from tree a ae ee 
Pe fees pss fae 
Date of spraying | Total. | Bs fe MR | ie “ag Poe =8 |"o. lose 
and tree number. crop. | FI SE bed) a = SE s. ). oS d ee Pat ae 
3S i arb As en oF |S3 8] o3 
sc ° z 2) | = ° © 
| | = Ele | & Fle | a |e |e -] me 
Sprayed Apr. 30, May / | 
21, June 24, July 10, | 
July 25, Aug. 12:  Bushels.| No. No. No No. No. No. No. No. | No. 
Lp Cee 14.25 | 28 392 420 49 3,044 3,093 77 | 3,436 | 3,513 | 97.81 
Me oe a oe 13. 75 | 53 473 526 31 | 2,355 | 2,386 84 | 2,828 | 2,912 | 97.11 
ig 2 fee 13. 75 42 447 489 114 | 2,160 | 2,274 156 | 2,607 | 2,763 | 94.36 
flere Mee eee amen 21.25 124 608 732 164 3,186 3,350 288 | 3,794 | 4,082 | 92.95 
POO DS. oo Sew oe | 18. 00 116 | 1,010 | 1,126 192 | 2,653 | 2,845 308 | 3,663 | 3,971 | 92.24 
Trees 1 to 5) ! ) 
combined.....) 81.00 | 363 | 2,930 | 3,293 550 13,398 13,948 | 913 (16,328 (17,241 | 94.7 
a a ba ) ) 
[03] <a, ee 23. 50 | 1, 504 611 | 2,115 | 2,240 | 1,089 | 3,329 | 3,744 | 1,700 | 5,444 | 31.22 
Sneek Bees... <. 12.00 929 316 | 1,245 980 389 1,369 | 1,909 | 705 | 2,614 | 26.96 
Chen... es 11.00 | 1,380 129 | 1,509 444 166 610 | 1,824 295 | 2,119 | 13.92 
Gheek Dy: se... 9.50 | 1,348 | 89 | 1, 437 372 | 126 498 | 1,720 215 | 1,935 | 11.11 
Oreck) BaF eek 12.00 536 353 889 1, 604 26 «1,680 | 2,140 379 | 2,519 | 15.04 
ANB, OD; FE, | 
) | | | 
combined.....| 68. 00 | 5, 697 | 1, 498 | 7,195 5,640 | 1,796 | 7, 436 fi 387 3,204 14, 631 | 22. 51 
