50 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
TaspLe XLIX.—Sound and wormy fruit from 10 trees of Plat II, sprayed May 5 
and June 16, being second and third applications as given Plat I, pear orchard of Mr. 
G. W. Langdon, Suisun, Cal., 1910. 
| Number of windfallen | Number of pears from 
| pears. ieee Total number. Per cent— 
Tree No. 
Total. | Wormy. Sound.) Total. Wormy. |Sound.| Total.|Wormy. |Sound.| Wormy. |Sound. 
84 57 27 355 56 299 439 113 326 25.74 | 74.26: 
154 95 59 508 123 385 662 218 444 32.93 | 67.07 
128 7: 56 665 130 535 793 202 591 25.47 | 74.53 
87 51 36 264 52 212 351 103 248 29.34 | 77.66 
117 77 40 482 107 375 599 184 415 30.72 | 69.28 
283 149 134 632 149 483 915 298 617 32.57 | 67.43 
123 74 49 428 76 352 551 150 401 27.22 | 72.78: 
205 114 91 648 140 508 853 254 599 29.78 | 70.22 
51 34 17 248 67 181 299 101 198 33.80 | 66. 20: 
208 103 105 868 139 729 | 1,076 242 834 22.49 | 77.51 
1, 440 826 614 | 5, 098 1,039 | 4,05 | 6,538 1,865 | 4,673 28.52 | 71.48 
TaBLe L.—Sound and wormy fruit from 10 trees of Plat III, sprayed April 7 and June 
17, being first and third applications as given Plat I, pear orchard of Mr. G. W. Lang- 
don, Suisun, Cal., 1910. 
| Number of windfallen | Number of pears from | 
| pears. aye Total number. | Per cent— 
Tree No. | ‘ H 
Total.| Wormy. Sound.) Total.| Wormy-./Sound. Total. | Wormy.|Sound. Wormy.|Sound.. 
| 
Wee aes oeeenes 74 25 49 439 56 383 513 81 432 15.79 | 84.21 
Cee Se 49 17 32 377 36 341 426 53 373 12. 44 87. 56 
Seesiaete ices 116 44 72 | 842 45 797 958 89 869 9.29 | 90.71 
Co seek ES nas ae 40 13 27 336 26 310 376 39 337 10.37 | 89.63 
Dieite weetoc cae 74 18 56 | 533 34 499 607 52 555 8.57 | 91.43. 
Ge tecceee a= 88 43 45 503 67 436 591 110 481 18.44 | 81.56 
Meee ae 127 59 68 924 127 797 | 1,051 186 865 17.70 | 82.30. 
Oeeaae nese sate 164 44 110 608 91 517 762 135 627 17.72 | 82.28 
Oe ee es aso 89 41 48 |} 595 52 543 684 93 591 13.60 | 86.40. 
0) Rg ea ee 54 | 20 34 | 359 41 318 413 61 352 | 14.77 85. 23: 
Total, trees | | 
NS) eee 865 324 541 | 5,516 575 | 4,941 | 6,381 899 | 5,482 14.09 85. 91 
Taste LI.—Sound and wormy fruit from 10 trees of Plat IV, unsprayed check, pear 
orchard of Mr. G. W. Langdon, Suisun, Cal., 1910. 
| Number of windfallen | Number of pears from pe 
pears. Greece Total number. Per cent 
Tree No. | - 
| 
| Total.| Wormy. Sound.| Total.) Wormy. Sound. Total.| Wormy.|Sound. wouny|Sounas 
erese weer eatl 372 370 2 169 158 11 | 541 528 13 97. 60 2. 40! 
Dig Ret PEN s.2 203 199 4 120 118 2| 323 317 6 98. 14 1. 86: 
Diao on false 433 420 13 151 136 15 | 584 556 28 95. 21 4.79 
dase). ADaGe 178 171 7 239 227 12 417 398 19 95. 44 4. 56: 
Bees coon tes 391 386 5 348 326 22 739 712 27 96. 35 3. 65 
(a awe eee nae 259 248 7 246 228 18 501 476 25 95. O1 4.99 
en Ae 505 496 9 214 195 19 719 691 28 96. 11 3. 89: 
ieee sans eee | 195 193 2 110 107 3 305 300 5 98. 36 1. 64 
Ob oe edinae =e | 562 533 29 289 255 34 851 788 63 92. 60 7.40) 
Lins Sa-seneaces |) 487 481 6 474 404 70 961 885 76 92. 90 7.10 
Total, trees | 
110 Reese | 3,581 3,497 84 | 2,360 2,154 206 5,941 5, 651 290 95.12 4.88 
| 
