144 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
TABLE XXITT.—Injury by the plum curculio for entire season, Plats I, II, and III. 
Saugatuck, Mich., 1909-—Continued. 
PLAT I. UNSPRAYED—Continued. 
Number of punctured and sound apples, etc., | Total 
per tree in each plat. per cent 
fruit 
free 
\ Tree Tree Tree Tree Tree | Total | from 
16. 20. 21. 26. 33. | forplat.| injury. 
INO SPUNGHUTES othe sete he cece eee 1,108 883 530) W265) USOT Ot R43. | heen 
INOS ini byprnetured ane see ose eae acre 454 426 329 644 462) 0471 G4s | rsa 
INOMSOUNGMEItG o- Secs wen eee eee aaeeeree 2,361 | 2,857 | 1,351} 2,718 | 1,508 | 33,111 |......-- 
INOS nb eo ecec artes aware ae omen eee 2,815 | 3,283} 1,680 | 3,362] 1,970 | 37,875 |........ 
Pericentireewromiuinjury..--- 22s 2e see eee ee 83.87 | 86.96 | 80.42 | 80.85 | 76.55 |........ 87. 42 
PLAT II. DEMONSTRATION. 
Number of punctured and sound apples, etc., per tree in 
each plat. ; 
Tree Tree Tree Tree Tree Tree Tree 
101. 102. 105. 106. 108. 115; ine 
INO: punctures 2-2-2. SSE Y aden ee eee 24 37 32 128 169 12 102 
Nos irait punetured ss. 2os5 2. 2sse sec see nee 11 13 15 60 61 5 62 
INO! SONG fruits. 2b 2) 5.- ee oes oe ae eee eae 1,614 | 1,752} 2,145} 1,790) 5,658 | 4,017 5, 734 
INOMMnIt oes eecmet oe eeceet claneaareaeeraes 1,625 | 1,765 | 2,160] 1,850] 5,719 | 4,022 5,796 
Percent iree from injuny,- - <<< 22 2--- sce == 99.38 | 99.26] 99.31 | 96.76] 98.93 | 99.88 98. 93 
Number of punctured and sound apples, ete., | Total 
per tree in each plat. per cent 
Tree Tree Tree Tree Tree | Total | from 
118. 127. 132. 135. 136. | for plat.) injury. 
INORMUNCHUTCS 5. aeeieee see cee eee eee eet 112 89 139 398 HO.) 05 202))|\seeeeaes 
INOsiruitpUNebUTed snes eee eae eee eae 32 50 58 153 3 5231 | Seen 
INOS SOM OMTTE A eee astacei mice eee eee 5,181 | 4,377 | 4,240] 4,070] 1,717 | 42,295 |_....__. 
INOS tee. nase ee ee eee = eee eacercise ae, 5,213 | 4,427 4,298 | 4,223 L200 A2s SUS | seers 
Percent tree tromluany lity eee eee eee 99.39 | 98.87 | .98.65 | 96.38] 99.83 |........ 98. 77 
PLAT III. ONE SPRAY. 
Number of punctured and sound apples, etc., per tree in 
each plat. 
Tree Tree Tree Tree Tree Tree Tree 
224, 225, 232. 236. 237. 238. 239. 
NO; puncbures! .... 5.2 Saas. 2cse cs eeas esses | 1,015 278 108 198 64 67 45 
No. fruit punctured 374 117 35 85 30 33 19 
INOS sound frultiyssssescce ee onto e sme senses 3,239 | 4,588} 3,422 | 3,011] 2,867 | 3,518 3,105 
INO SIPING sass < Seecnss sped oe aeee eee aes seas ee 3,613 | 4,705 | 3,457] 3,096) 2,897] 3,551 3, 124 
Per centifree fronr injury 250-2 <2 eee aa 89.92 | 97.51 | 98.99} 97.25 | 98.96} 99.07 99. 39 
Number of punctured and sound apples, ete., per | Total 
tree in each plat. per cent 
fruit 
free 
Tree | Tree | Tree | Tree | Tree Tree | Total | from 
244. 245. 246. 249, 2525 266. |for plat.| injury. 
INONPUNCHINES. £\ocsceises neleee oe abn eee 228 255 238, 194 42 143 2, 800) aaneteat 
North puncturedicssesscecccee eee eee 65 102 91 43 20 401] 0415 '0545|Seneeeee 
NONSOMNU TILER cence ee eee nes 4,494 | 4,239 | 2,817 | 3,400 | 1,118 | 1,995 | 41,813 |........ 
INO :VEETEN Gas cos els etatecioe a eae ee eee ae 4,559 | 4,341 | 2,908 | 3,443 1, 138) 2085 || 425867) oceesee 
Per cent free from injury 2-22 322222222222 98.57 | 97.65 | 96.87 | 98.75 | 98.24] 9803]|........) 97.54 
