50 



DECIDUOUS FEUIT INSECTS AND INSECTICIDES. 



Table 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 wind fallen 

 pears. 



Number of pear 



trees. 



s from 



Total number. 



Per cent — 





Tree No. 



























Total. 



Y\ ormy. 



Sound. 



Total. 



Wormy. 



Sound. 



Total. 



Wormy. 



Sound. 



Wormy. 



Sound. 



1. 





84 



57 



27 



355 



56 



299 



439 



113 



326 



25.74 



74.26 



9 





154 



95 



59 



508 



123 



385 



662 



218 



444 



32.93 



67.07 



3. 





128 



72 



56 



665 



130 



535 



793 



202 



591 



25.47 



74.53 



4. 





87 



51 



36 



264 



52 



212 



351 



103 



248 



29.34 



77.66 



5. 







117 



77 



40 



482 



107 



375 



599 



184 



415 



30.72 



69.28 



6. 





283 



149 



134 



632 



149 



483 



915 



298 



617 



32.57 



67.43 



7. 





123 



205 



51 



74 



114 



34 



49 

 91 

 17 



428 

 648 

 248 



76 



140 



67 



352 

 508 

 181 



551 

 853 

 299 



150 

 254 

 101 



401 

 599 

 198 



27.22 

 29.78 

 33.80 



72.78 



8 



70.22 



9. 





66.20 



10. 



Total, trees 



208 



103 



105 



868 



139 



729 



1.076 



242 



834 



22.49 



77.51 





























1-10 



1.440 



826 



614 



5,098 



1.039 



4.059 



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 

 pears. 



Number of pears from 

 trees. 



Total number. 



Per cent- 



Tree No. 



























Total. 



Wormy. 



Sound. 



Total. 



Wormy. 



Sound. 



Total. 



Wormy. 



Sound. 



Wormy. 



Sound. 



1 



74 



25 



49 



439 



56 



383 



513 



81 



432 



15.79 



84.21 



9 



49 



17 



32 



377 



36 



341 



426 



53 



373 



12.44 



87. 56 



3 



116 



44 



72 



842 



45 



797 



958 



89 



869 



9.29 



90.71 



4 



40 



13 



27 



336 



26 



310 



376 



39 



337 



10.37 



89.63 



5 



74 



18 



56 



533 



34 



499 



607 



52 



555 



8.57 



91.43 



6 



88 



43 



45 



503 



67 



436 



591 



110 



481 



' 18. 44 



81.56 



7 



127 



59 



68 



924 



127 



797 



1.051 



186 



865 



17.70 



82.30 



8 



le4 



44 



110 



608 



91 



517 



762 



135 



627 



17.72 



82.28 



9 



89 



41 



48 



595 



52 



543 



684 



93 



591 



13.60 



86.40 



10 



54 



20 



34 



359 



41 



318 



413 



61 



352 



14.77 



85.23 



Total, trees 

























1-10 



865 



324 



541 



5.516 



575 



4.941 



6.381 



899 



5.4S2 



14.09 



85.91 



Table LI. — Sound and ivormy fruit from 10 trees of Plat IV, unsprayed check, pear 

 orchard of Mr. G. W. langdon, Suisun, Cal., 1910. 





Number of windfallen 

 pears. 



Number of pears from 

 trees. 



Total number. 



Per cent — 



Tree No. 























Total. 



Wormy. 



Sound. 



Total. 



Wormy. 



Sound. 



Total. 



Wormy. 



Sound. 



Wormy. 



Sound.. 



- 



372 

 203 

 433 

 178 

 391 

 255 

 505 

 195 

 562 

 487 



370 

 199 

 420 

 171 

 386 

 248 

 496 

 193 

 533 

 481 



2 

 4 



13 

 7 

 5 

 7 

 9 

 2 



29 

 6 



169 

 120 

 151 

 239 

 348 

 246 

 214 

 110 

 289 

 474 



158 



118 

 136 

 " 227 

 326 

 228 

 195 

 107 

 255 

 404 



11 

 2 



15 

 12 

 22 

 18 

 19 

 3 

 34 

 70 



541 

 323 

 584 

 417 

 739 

 501 

 719 

 305 

 851 

 961 



528 

 317 

 556 

 398 

 712 

 476 

 691 

 300 

 788 

 885 



13' 

 6 

 28 

 19 

 27 

 25 

 28 

 5 

 63 

 76 



97.60 

 98.14 

 95.21 

 95.44 

 96.35 

 95.01 

 96.11 

 98.36 

 92.60 

 92.90 



2.40 

 1.86 



3 



4 



5 



6 



7 



8 



4.79 

 4.56 

 3. 65 

 4.99 

 3.89 

 1.64 



9 



10 



7.40 

 7.10 



Total, trees 

 1-10 



3,581 



3, 497 



84 



2.3(0 



2.154 



206 



5.941 



5. 051 1 290 



95.12 



4.88 



