144 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
TaBLeE XXITT.—Injury by the plum curculio for entire season, Plats I, II, and IIT. 
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. 
INOMpUNetires: fa hck). fee se ee sameiecestenes 1,108 883 530 | 1,265 | 1,197 | 9,843 ].......- 
INOMIniit punchunediy ee he wee nee ae sete ciel 454 426 329 4627) P4764) setts 
INOWSOUNGMNUIGS shee are es eemeeeten sees las 2,361 | 2,857 | 1,351 | 2,718} 1,508") 33,21P |- 22-222. 
INOeMTU LE eee eee cic ciec tears cee eee Siatier See 2,815 | 3,283] 1,680 | 3,362] 1,970 | 37,875 |........ 
(Percent free from injury... = -cse sige see 83.87 | 86.96 | 80.42] 80.85 | 76.55 |........ 87.42 
PLAT Il. 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. 117. 
INO; punctures-s.2----5--= 37 32 128 169 12 102 
No. fruit punctured 13 15 60 61 5 62 
INGsound ingitee.) 2oe eAemteecteeseeereninseets 1,752 | 2,145 | 1,790| 5,658) 4,017 5, 734 
IN ORIG eee pees ees 1,765 | 2,160} 1,850| 5,719 | 4,022 5,796 
Percentiree trom injury. 2-4. 52> = seece 99.38 | 99.26] 99.31 | 96.76] 98.93] 99.88 98. 93 
Number of punctured and sound apples, ete., | otal 
per tree in each plat. per cent 
Tree Tree Tree Tree Tree | Total | from 
118. 127. 132. 135. 136. |for plat.| injury. 
No. fruit 
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. 
INO DUNCUUTESi acer seeteee ce cece eee Rie eee 1,015 278 108 198 64 67 45 
No siTuit punctured)... eee Geld: ease seeeeeeere 374 117 35 85 30 33 19 
Nos sound iniits 2 39) sai aeacceee caters 3,239 | 4,588 | 3,422] 3,011 | 2,867 | 3,518 3,105 
IN OSHEIE Rye nee eee coe a taaree maces 3,613 | 4,705 | 3,457 | 3,096] 2,897] 3,551 3,124 
Percent freeiironrinjury;.-2---5------s eee 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, 252. 266. |for plat.| injury. 
IN OM PUNICHUTES eee eee sicaeceicece ce mee 228 255 238 194 42 143 Panay OTOU eats scree 
ING MITUitPUMChUTeG Ss. eee Ca ncclecs vemos 65 102 91 43 20 AD WW TODA Ree. 
NoMSounainiany a) 224 eee ee a ee 4,494 | 4,239 | 2,817 | 3,400 | 1,118} 1,995 | 41,813 }........ 
ING Sti ees Ri SUN I ea 4,559 | 4,341 | 2,908 | 3,443 1,138) 2035 | 425867 22. - 
Per cent free from injury..........-...-.- 98.57 | 97.65 | 96.87 | 98.75 | 98.24] 98.03 |......-- 97.54 
nT 
