134 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
TaBLE XIII.—Injury by Huse Rees entireseason, Plats V, VI,and VIII. Crozet, 
a., 1909. 
PLAT V. DEMONSTRATION. 
Number of punctured and sound apples, etc., per Total 
tree in each plat. Total | per cent 
for of fruit 
Tree plats. | free from 
Tree | Tree | Tree Tree | Tree | Tree | Tree ate 
11} 21 Bll oo ele ee Lime: brs Ween eee? injury. 
Noe Un ChUNeS ees a yterere c= = = Satan & 275 | 163) 524} 668; 162) 395 | 328] 2,672 |.......... 
157 
Nos iniiinpuneiired)s eee ees coee 115.) 187% | 103), 345 | 463°), L045 | 267) 52S RAG) eee ee 
INonsoundintttecaciminiecseene ee 687 |1,272 | 616 |2,070 |1,569 |1,194 |2,747 |2,076 | 12,231 |.......... 
INOMInWIGS Se - jae dancee= See oe a 802 |1,459 | 719 |2,415 |2,032 |1,308 |3,014 |2,328 | 14,077 |.......... 
Per cent free from injury.........- 85.66 |87.18 |85.67 |85. 711/77. 21 |91.28 |91.14 |89.17 |........ 86. 89 
PLAT VI. ONE SPRAY. 
! 
INO ApUunCchInes! 2. 22cer seen eeieces 1,510 Ht 290 
2,143 | 360 [1,095 | 647] 775] 823] 8,644 |........-- 
No. fruit punctured..............- 961 | 730 |1,347 | 238| 719| 405 | 521| 511} 5,432 |...2.22... 
Now dound fult Js. 0s Asc .cseckc cos 1,617 11,803 |3,758 |1,080 |2,526 (1,574 |1,520 |1,528 | 15,406 |--... 22... 
SAU RE Teo een eon aan 2,578 12,533 |5,105 {1,318 |3, 245 |1,979 |2,041 {2,039 | 20,838 1.........- 
73.61 |81.94 |77.84 |79.53 174.96 |74.93 |.......- 73.93 
Per cent free from injury.-.-....-- 62. 72 71. 17 
PLAT VIII. UNSPRAYED. 
INOS PUMCHINES feos seme ec sae 2,746 |2,571 | 705 | 962 )2,490 /1,939 |1,865 |2,300 | 15,578 |...-..-.-- 
Nomiruitipunctureds 22-2 2---20- 1,255 |1,571 | 437 | 531 {1,415 |1,193 |1,098 |1,285 | 8,785 |.....-.--- 
INONSOUNGIFUIG pee] ee eaeee cee 2,168 |2,111 | 379} 485 |1,696 |1,795 | 882] 806 | 10,322 |........-. 
NOMITIG Ses oes cceneee- eaeteon= eae 3,423 |3,682 | 816 1,016 3,111 |2,988 |1,980 |2,091 | 19,107 |--........ 
Per cent free from injury.......--. 63.30 |57.33 [57.33 |46.44 |47.73 |60.00 |44. 54 |38.54 |.....-.. 54. 02 
The percentage of fruit uninjured by the curculio in the demonstra- 
tion block, 86.89 per cent, shows a gain over that of the one-spray 
plat, 73.93 per cent, of 12.96 per cent, and the gain in percentage of 
uninjured fruit on the demonstration over the unsprayed plat is 
32.87. 
ORCHARD OF STRATHMORE ORCHARD COMPANY. 
The orchard of the Strathmore Orchard Company is located near 
Mount Jackson, in the Shenandoah Valley of Virginia. The size of 
the trees and general appearance of the orchard are indicated in 
Plate XI, figure 1. The location of the trees under experiment with 
respect to the rest of the orchard is shown in figure 36. All trees not 
in the experiment were sprayed by the owners. The treatments given 
and dates of application are stated in Table XIV. 
TaBLe XIV.—Dates of applications for codling moth and plum curculio, one-spray 
method. Mount Jackson, Va., 1909. 
Plat XVII. 
Date of application. | Plat XIII. (Demonstration.) | Plat XV.(One-spray method.) (Unsprayed.) 
First application, May | Notdrenched. Vermorelnoz-| Drenched with arsenate of | Unsprayed. 
6-7 (after falling of zles. Mistspray. Arsenate lead, 2 pounds to 50 gallons 
petals). of lead, 2 pounds to 50 water. Pressure 175 pounds. 
gallons Bordeaux mixture Seneca nozzles. 8.1 gallons 
(1-1-50). Pressure120 to 140 per tree. 
pounds. 4.7 gallons per tree. 
Second application,May | Not drenched. Vermorel noz- | Bordeaux mixture only (2-2- Do. 
28-29. zles. Mist spray. Arsenate 50). Not drenched. 
of lead, 2 pounds to 50 
gallons Bordeaux mixture 
(2-2-50). 
ihe application, July |..... GOW ess Le cee alesiece DO iii cece cicdelnece jeeeeeeis Do. 
